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Merge pull request #197 from gilles-peskine-arm/psa-refactor-attributes-and-slots

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Tidy up attribute management inside psa_crypto
This commit is contained in:
Gilles Peskine 2019-08-08 10:22:30 +02:00 committed by GitHub
commit 82a571167e
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GPG Key ID: 4AEE18F83AFDEB23
14 changed files with 677 additions and 290 deletions
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4
include/psa/crypto_extra.h
View File

@ -89,7 +89,7 @@ static inline void psa_set_key_enrollment_algorithm(
psa_key_attributes_t *attributes, psa_key_attributes_t *attributes,
psa_algorithm_t alg2) psa_algorithm_t alg2)
{ {
attributes->policy.alg2 = alg2; attributes->core.policy.alg2 = alg2;
} }
/** Retrieve the enrollment algorithm policy from key attributes. /** Retrieve the enrollment algorithm policy from key attributes.
@ -101,7 +101,7 @@ static inline void psa_set_key_enrollment_algorithm(
static inline psa_algorithm_t psa_get_key_enrollment_algorithm( static inline psa_algorithm_t psa_get_key_enrollment_algorithm(
const psa_key_attributes_t *attributes) const psa_key_attributes_t *attributes)
{ {
return( attributes->policy.alg2 ); return( attributes->core.policy.alg2 );
} }
/**@}*/ /**@}*/

66
include/psa/crypto_struct.h
View File

@ -309,18 +309,39 @@ static inline struct psa_key_policy_s psa_key_policy_init( void )
return( v ); return( v );
} }
/* The type used internally for key sizes.
* Public interfaces use size_t, but internally we use a smaller type. */
typedef uint16_t psa_key_bits_t;
/* The maximum value of the type used to represent bit-sizes.
* This is used to mark an invalid key size. */
#define PSA_KEY_BITS_TOO_LARGE ( (psa_key_bits_t) ( -1 ) )
/* The maximum size of a key in bits.
* Currently defined as the maximum that can be represented, rounded down
* to a whole number of bytes.
* This is an uncast value so that it can be used in preprocessor
* conditionals. */
#define PSA_MAX_KEY_BITS 0xfff8
typedef struct
{
psa_key_type_t type;
psa_key_lifetime_t lifetime;
psa_key_id_t id;
psa_key_policy_t policy;
psa_key_bits_t bits;
uint16_t flags;
} psa_core_key_attributes_t;
#define PSA_CORE_KEY_ATTRIBUTES_INIT {0, 0, 0, {0, 0, 0}, 0, 0}
struct psa_key_attributes_s struct psa_key_attributes_s
{ {
psa_key_id_t id; psa_core_key_attributes_t core;
psa_key_lifetime_t lifetime;
psa_key_policy_t policy;
psa_key_type_t type;
size_t bits;
void *domain_parameters; void *domain_parameters;
size_t domain_parameters_size; size_t domain_parameters_size;
}; };
#define PSA_KEY_ATTRIBUTES_INIT {0, 0, {0, 0, 0}, 0, 0, NULL, 0} #define PSA_KEY_ATTRIBUTES_INIT {PSA_CORE_KEY_ATTRIBUTES_INIT, NULL, 0}
static inline struct psa_key_attributes_s psa_key_attributes_init( void ) static inline struct psa_key_attributes_s psa_key_attributes_init( void )
{ {
const struct psa_key_attributes_s v = PSA_KEY_ATTRIBUTES_INIT; const struct psa_key_attributes_s v = PSA_KEY_ATTRIBUTES_INIT;
@ -330,53 +351,53 @@ static inline struct psa_key_attributes_s psa_key_attributes_init( void )
static inline void psa_set_key_id(psa_key_attributes_t *attributes, static inline void psa_set_key_id(psa_key_attributes_t *attributes,
psa_key_id_t id) psa_key_id_t id)
{ {
attributes->id = id; attributes->core.id = id;
if( attributes->lifetime == PSA_KEY_LIFETIME_VOLATILE ) if( attributes->core.lifetime == PSA_KEY_LIFETIME_VOLATILE )
attributes->lifetime = PSA_KEY_LIFETIME_PERSISTENT; attributes->core.lifetime = PSA_KEY_LIFETIME_PERSISTENT;
} }
static inline psa_key_id_t psa_get_key_id( static inline psa_key_id_t psa_get_key_id(
const psa_key_attributes_t *attributes) const psa_key_attributes_t *attributes)
{ {
return( attributes->id ); return( attributes->core.id );
} }
static inline void psa_set_key_lifetime(psa_key_attributes_t *attributes, static inline void psa_set_key_lifetime(psa_key_attributes_t *attributes,
psa_key_lifetime_t lifetime) psa_key_lifetime_t lifetime)
{ {
attributes->lifetime = lifetime; attributes->core.lifetime = lifetime;
if( lifetime == PSA_KEY_LIFETIME_VOLATILE ) if( lifetime == PSA_KEY_LIFETIME_VOLATILE )
attributes->id = 0; attributes->core.id = 0;
} }
static inline psa_key_lifetime_t psa_get_key_lifetime( static inline psa_key_lifetime_t psa_get_key_lifetime(
const psa_key_attributes_t *attributes) const psa_key_attributes_t *attributes)
{ {
return( attributes->lifetime ); return( attributes->core.lifetime );
} }
static inline void psa_set_key_usage_flags(psa_key_attributes_t *attributes, static inline void psa_set_key_usage_flags(psa_key_attributes_t *attributes,
psa_key_usage_t usage_flags) psa_key_usage_t usage_flags)
{ {
attributes->policy.usage = usage_flags; attributes->core.policy.usage = usage_flags;
} }
static inline psa_key_usage_t psa_get_key_usage_flags( static inline psa_key_usage_t psa_get_key_usage_flags(
const psa_key_attributes_t *attributes) const psa_key_attributes_t *attributes)
{ {
return( attributes->policy.usage ); return( attributes->core.policy.usage );
} }
static inline void psa_set_key_algorithm(psa_key_attributes_t *attributes, static inline void psa_set_key_algorithm(psa_key_attributes_t *attributes,
psa_algorithm_t alg) psa_algorithm_t alg)
{ {
attributes->policy.alg = alg; attributes->core.policy.alg = alg;
} }
static inline psa_algorithm_t psa_get_key_algorithm( static inline psa_algorithm_t psa_get_key_algorithm(
const psa_key_attributes_t *attributes) const psa_key_attributes_t *attributes)
{ {
return( attributes->policy.alg ); return( attributes->core.policy.alg );
} }
/* This function is declared in crypto_extra.h, which comes after this /* This function is declared in crypto_extra.h, which comes after this
@ -392,7 +413,7 @@ static inline void psa_set_key_type(psa_key_attributes_t *attributes,
if( attributes->domain_parameters == NULL ) if( attributes->domain_parameters == NULL )
{ {
/* Common case: quick path */ /* Common case: quick path */
attributes->type = type; attributes->core.type = type;
} }
else else
{ {
@ -407,19 +428,22 @@ static inline void psa_set_key_type(psa_key_attributes_t *attributes,
static inline psa_key_type_t psa_get_key_type( static inline psa_key_type_t psa_get_key_type(
const psa_key_attributes_t *attributes) const psa_key_attributes_t *attributes)
{ {
return( attributes->type ); return( attributes->core.type );
} }
static inline void psa_set_key_bits(psa_key_attributes_t *attributes, static inline void psa_set_key_bits(psa_key_attributes_t *attributes,
size_t bits) size_t bits)
{ {
attributes->bits = bits; if( bits > PSA_MAX_KEY_BITS )
attributes->core.bits = PSA_KEY_BITS_TOO_LARGE;
else
attributes->core.bits = (psa_key_bits_t) bits;
} }
static inline size_t psa_get_key_bits( static inline size_t psa_get_key_bits(
const psa_key_attributes_t *attributes) const psa_key_attributes_t *attributes)
{ {
return( attributes->bits ); return( attributes->core.bits );
} }
#endif /* PSA_CRYPTO_STRUCT_H */ #endif /* PSA_CRYPTO_STRUCT_H */

397
library/psa_crypto.c
View File

@ -40,6 +40,7 @@
* stored keys. */ * stored keys. */
#include "psa_crypto_storage.h" #include "psa_crypto_storage.h"
#include <assert.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include "mbedtls/platform.h" #include "mbedtls/platform.h"
@ -366,7 +367,7 @@ static psa_status_t mbedtls_to_psa_error( int ret )
#if defined(MBEDTLS_PSA_CRYPTO_SE_C) #if defined(MBEDTLS_PSA_CRYPTO_SE_C)
static inline int psa_key_slot_is_external( const psa_key_slot_t *slot ) static inline int psa_key_slot_is_external( const psa_key_slot_t *slot )
{ {
return( psa_key_lifetime_is_external( slot->lifetime ) ); return( psa_key_lifetime_is_external( slot->attr.lifetime ) );
} }
#endif /* MBEDTLS_PSA_CRYPTO_SE_C */ #endif /* MBEDTLS_PSA_CRYPTO_SE_C */
@ -695,7 +696,45 @@ exit:
} }
#endif /* defined(MBEDTLS_ECP_C) */ #endif /* defined(MBEDTLS_ECP_C) */
/** Import key data into a slot. `slot->type` must have been set
/** Return the size of the key in the given slot, in bits.
*
* \param[in] slot A key slot.
*
* \return The key size in bits, read from the metadata in the slot.
*/
static inline size_t psa_get_key_slot_bits( const psa_key_slot_t *slot )
{
return( slot->attr.bits );
}
/** Calculate the size of the key in the given slot, in bits.
*
* \param[in] slot A key slot containing a transparent key.
*
* \return The key size in bits, calculated from the key data.
*/
static psa_key_bits_t psa_calculate_key_bits( const psa_key_slot_t *slot )
{
size_t bits = 0; /* return 0 on an empty slot */
if( key_type_is_raw_bytes( slot->attr.type ) )
bits = PSA_BYTES_TO_BITS( slot->data.raw.bytes );
#if defined(MBEDTLS_RSA_C)
else if( PSA_KEY_TYPE_IS_RSA( slot->attr.type ) )
bits = PSA_BYTES_TO_BITS( mbedtls_rsa_get_len( slot->data.rsa ) );
#endif /* defined(MBEDTLS_RSA_C) */
#if defined(MBEDTLS_ECP_C)
else if( PSA_KEY_TYPE_IS_ECC( slot->attr.type ) )
bits = slot->data.ecp->grp.pbits;
#endif /* defined(MBEDTLS_ECP_C) */
/* We know that the size fits in psa_key_bits_t thanks to checks
* when the key was created. */
return( (psa_key_bits_t) bits );
}
/** Import key data into a slot. `slot->attr.type` must have been set
* previously. This function assumes that the slot does not contain * previously. This function assumes that the slot does not contain
* any key material yet. On failure, the slot content is unchanged. */ * any key material yet. On failure, the slot content is unchanged. */
psa_status_t psa_import_key_into_slot( psa_key_slot_t *slot, psa_status_t psa_import_key_into_slot( psa_key_slot_t *slot,
@ -704,13 +743,17 @@ psa_status_t psa_import_key_into_slot( psa_key_slot_t *slot,
{ {
psa_status_t status = PSA_SUCCESS; psa_status_t status = PSA_SUCCESS;
if( key_type_is_raw_bytes( slot->type ) ) if( key_type_is_raw_bytes( slot->attr.type ) )
{ {
/* Ensure that a bytes-to-bit conversion won't overflow. */ size_t bit_size = PSA_BYTES_TO_BITS( data_length );
/* Ensure that the bytes-to-bit conversion didn't overflow. */
if( data_length > SIZE_MAX / 8 ) if( data_length > SIZE_MAX / 8 )
return( PSA_ERROR_NOT_SUPPORTED ); return( PSA_ERROR_NOT_SUPPORTED );
status = prepare_raw_data_slot( slot->type, /* Enforce a size limit, and in particular ensure that the bit
PSA_BYTES_TO_BITS( data_length ), * size fits in its representation type. */
if( bit_size > PSA_MAX_KEY_BITS )
return( PSA_ERROR_NOT_SUPPORTED );
status = prepare_raw_data_slot( slot->attr.type, bit_size,
&slot->data.raw ); &slot->data.raw );
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
return( status ); return( status );
@ -719,25 +762,25 @@ psa_status_t psa_import_key_into_slot( psa_key_slot_t *slot,
} }
else else
#if defined(MBEDTLS_ECP_C) #if defined(MBEDTLS_ECP_C)
if( PSA_KEY_TYPE_IS_ECC_KEY_PAIR( slot->type ) ) if( PSA_KEY_TYPE_IS_ECC_KEY_PAIR( slot->attr.type ) )
{ {
status = psa_import_ec_private_key( PSA_KEY_TYPE_GET_CURVE( slot->type ), status = psa_import_ec_private_key( PSA_KEY_TYPE_GET_CURVE( slot->attr.type ),
data, data_length, data, data_length,
&slot->data.ecp ); &slot->data.ecp );
} }
else if( PSA_KEY_TYPE_IS_ECC_PUBLIC_KEY( slot->type ) ) else if( PSA_KEY_TYPE_IS_ECC_PUBLIC_KEY( slot->attr.type ) )
{ {
status = psa_import_ec_public_key( status = psa_import_ec_public_key(
PSA_KEY_TYPE_GET_CURVE( slot->type ), PSA_KEY_TYPE_GET_CURVE( slot->attr.type ),
data, data_length, data, data_length,
&slot->data.ecp ); &slot->data.ecp );
} }
else else
#endif /* MBEDTLS_ECP_C */ #endif /* MBEDTLS_ECP_C */
#if defined(MBEDTLS_RSA_C) && defined(MBEDTLS_PK_PARSE_C) #if defined(MBEDTLS_RSA_C) && defined(MBEDTLS_PK_PARSE_C)
if( PSA_KEY_TYPE_IS_RSA( slot->type ) ) if( PSA_KEY_TYPE_IS_RSA( slot->attr.type ) )
{ {
status = psa_import_rsa_key( slot->type, status = psa_import_rsa_key( slot->attr.type,
data, data_length, data, data_length,
&slot->data.rsa ); &slot->data.rsa );
} }
@ -746,6 +789,14 @@ psa_status_t psa_import_key_into_slot( psa_key_slot_t *slot,
{ {
return( PSA_ERROR_NOT_SUPPORTED ); return( PSA_ERROR_NOT_SUPPORTED );
} }
if( status == PSA_SUCCESS )
{
/* Write the actual key size to the slot.
* psa_start_key_creation() wrote the size declared by the
* caller, which may be 0 (meaning unspecified) or wrong. */
slot->attr.bits = psa_calculate_key_bits( slot );
}
return( status ); return( status );
} }
@ -851,20 +902,18 @@ static psa_status_t psa_get_key_from_slot( psa_key_handle_t handle,
status = psa_get_key_slot( handle, &slot ); status = psa_get_key_slot( handle, &slot );
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
return( status ); return( status );
if( slot->type == PSA_KEY_TYPE_NONE )
return( PSA_ERROR_DOES_NOT_EXIST );
/* Enforce that usage policy for the key slot contains all the flags /* Enforce that usage policy for the key slot contains all the flags
* required by the usage parameter. There is one exception: public * required by the usage parameter. There is one exception: public
* keys can always be exported, so we treat public key objects as * keys can always be exported, so we treat public key objects as
* if they had the export flag. */ * if they had the export flag. */
if( PSA_KEY_TYPE_IS_PUBLIC_KEY( slot->type ) ) if( PSA_KEY_TYPE_IS_PUBLIC_KEY( slot->attr.type ) )
usage &= ~PSA_KEY_USAGE_EXPORT; usage &= ~PSA_KEY_USAGE_EXPORT;
if( ( slot->policy.usage & usage ) != usage ) if( ( slot->attr.policy.usage & usage ) != usage )
return( PSA_ERROR_NOT_PERMITTED ); return( PSA_ERROR_NOT_PERMITTED );
/* Enforce that the usage policy permits the requested algortihm. */ /* Enforce that the usage policy permits the requested algortihm. */
if( alg != 0 && ! psa_key_policy_permits( &slot->policy, alg ) ) if( alg != 0 && ! psa_key_policy_permits( &slot->attr.policy, alg ) )
return( PSA_ERROR_NOT_PERMITTED ); return( PSA_ERROR_NOT_PERMITTED );
*p_slot = slot; *p_slot = slot;
@ -911,17 +960,17 @@ static psa_status_t psa_remove_key_data_from_memory( psa_key_slot_t *slot )
} }
else else
#endif /* MBEDTLS_PSA_CRYPTO_SE_C */ #endif /* MBEDTLS_PSA_CRYPTO_SE_C */
if( slot->type == PSA_KEY_TYPE_NONE ) if( slot->attr.type == PSA_KEY_TYPE_NONE )
{ {
/* No key material to clean. */ /* No key material to clean. */
} }
else if( key_type_is_raw_bytes( slot->type ) ) else if( key_type_is_raw_bytes( slot->attr.type ) )
{ {
mbedtls_free( slot->data.raw.data ); mbedtls_free( slot->data.raw.data );
} }
else else
#if defined(MBEDTLS_RSA_C) #if defined(MBEDTLS_RSA_C)
if( PSA_KEY_TYPE_IS_RSA( slot->type ) ) if( PSA_KEY_TYPE_IS_RSA( slot->attr.type ) )
{ {
mbedtls_rsa_free( slot->data.rsa ); mbedtls_rsa_free( slot->data.rsa );
mbedtls_free( slot->data.rsa ); mbedtls_free( slot->data.rsa );
@ -929,7 +978,7 @@ static psa_status_t psa_remove_key_data_from_memory( psa_key_slot_t *slot )
else else
#endif /* defined(MBEDTLS_RSA_C) */ #endif /* defined(MBEDTLS_RSA_C) */
#if defined(MBEDTLS_ECP_C) #if defined(MBEDTLS_ECP_C)
if( PSA_KEY_TYPE_IS_ECC( slot->type ) ) if( PSA_KEY_TYPE_IS_ECC( slot->attr.type ) )
{ {
mbedtls_ecp_keypair_free( slot->data.ecp ); mbedtls_ecp_keypair_free( slot->data.ecp );
mbedtls_free( slot->data.ecp ); mbedtls_free( slot->data.ecp );
@ -978,7 +1027,7 @@ psa_status_t psa_destroy_key( psa_key_handle_t handle )
return( status ); return( status );
#if defined(MBEDTLS_PSA_CRYPTO_SE_C) #if defined(MBEDTLS_PSA_CRYPTO_SE_C)
driver = psa_get_se_driver_entry( slot->lifetime ); driver = psa_get_se_driver_entry( slot->attr.lifetime );
if( driver != NULL ) if( driver != NULL )
{ {
/* For a key in a secure element, we need to do three things: /* For a key in a secure element, we need to do three things:
@ -987,9 +1036,9 @@ psa_status_t psa_destroy_key( psa_key_handle_t handle )
* persistent data. Start a transaction that will encompass these * persistent data. Start a transaction that will encompass these
* three actions. */ * three actions. */
psa_crypto_prepare_transaction( PSA_CRYPTO_TRANSACTION_DESTROY_KEY ); psa_crypto_prepare_transaction( PSA_CRYPTO_TRANSACTION_DESTROY_KEY );
psa_crypto_transaction.key.lifetime = slot->lifetime; psa_crypto_transaction.key.lifetime = slot->attr.lifetime;
psa_crypto_transaction.key.slot = slot->data.se.slot_number; psa_crypto_transaction.key.slot = slot->data.se.slot_number;
psa_crypto_transaction.key.id = slot->persistent_storage_id; psa_crypto_transaction.key.id = slot->attr.id;
status = psa_crypto_save_transaction( ); status = psa_crypto_save_transaction( );
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
{ {
@ -1003,10 +1052,10 @@ psa_status_t psa_destroy_key( psa_key_handle_t handle )
#endif /* MBEDTLS_PSA_CRYPTO_SE_C */ #endif /* MBEDTLS_PSA_CRYPTO_SE_C */
#if defined(MBEDTLS_PSA_CRYPTO_STORAGE_C) #if defined(MBEDTLS_PSA_CRYPTO_STORAGE_C)
if( slot->lifetime == PSA_KEY_LIFETIME_PERSISTENT ) if( slot->attr.lifetime == PSA_KEY_LIFETIME_PERSISTENT )
{ {
storage_status = storage_status =
psa_destroy_persistent_key( slot->persistent_storage_id ); psa_destroy_persistent_key( slot->attr.id );
} }
#endif /* defined(MBEDTLS_PSA_CRYPTO_STORAGE_C) */ #endif /* defined(MBEDTLS_PSA_CRYPTO_STORAGE_C) */
@ -1032,28 +1081,6 @@ psa_status_t psa_destroy_key( psa_key_handle_t handle )
return( storage_status ); return( storage_status );
} }
/* Return the size of the key in the given slot, in bits. */
static size_t psa_get_key_slot_bits( const psa_key_slot_t *slot )
{
#if defined(MBEDTLS_PSA_CRYPTO_SE_C)
if( psa_get_se_driver( slot->lifetime, NULL, NULL ) )
return( slot->data.se.bits );
#endif /* defined(MBEDTLS_PSA_CRYPTO_SE_C) */
if( key_type_is_raw_bytes( slot->type ) )
return( slot->data.raw.bytes * 8 );
#if defined(MBEDTLS_RSA_C)
if( PSA_KEY_TYPE_IS_RSA( slot->type ) )
return( PSA_BYTES_TO_BITS( mbedtls_rsa_get_len( slot->data.rsa ) ) );
#endif /* defined(MBEDTLS_RSA_C) */
#if defined(MBEDTLS_ECP_C)
if( PSA_KEY_TYPE_IS_ECC( slot->type ) )
return( slot->data.ecp->grp.pbits );
#endif /* defined(MBEDTLS_ECP_C) */
/* Shouldn't happen except on an empty slot. */
return( 0 );
}
void psa_reset_key_attributes( psa_key_attributes_t *attributes ) void psa_reset_key_attributes( psa_key_attributes_t *attributes )
{ {
mbedtls_free( attributes->domain_parameters ); mbedtls_free( attributes->domain_parameters );
@ -1086,7 +1113,7 @@ psa_status_t psa_set_key_domain_parameters( psa_key_attributes_t *attributes,
attributes->domain_parameters = copy; attributes->domain_parameters = copy;
attributes->domain_parameters_size = data_length; attributes->domain_parameters_size = data_length;
attributes->type = type; attributes->core.type = type;
return( PSA_SUCCESS ); return( PSA_SUCCESS );
} }
@ -1145,21 +1172,6 @@ exit:
} }
#endif /* MBEDTLS_RSA_C */ #endif /* MBEDTLS_RSA_C */
/** Retrieve the generic attributes of a key in a slot.
*
* This function does not retrieve domain parameters, which require
* additional memory management.
*/
static void psa_get_key_slot_attributes( psa_key_slot_t *slot,
psa_key_attributes_t *attributes )
{
attributes->id = slot->persistent_storage_id;
attributes->lifetime = slot->lifetime;
attributes->policy = slot->policy;
attributes->type = slot->type;
attributes->bits = psa_get_key_slot_bits( slot );
}
/** Retrieve all the publicly-accessible attributes of a key. /** Retrieve all the publicly-accessible attributes of a key.
*/ */
psa_status_t psa_get_key_attributes( psa_key_handle_t handle, psa_status_t psa_get_key_attributes( psa_key_handle_t handle,
@ -1174,9 +1186,9 @@ psa_status_t psa_get_key_attributes( psa_key_handle_t handle,
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
return( status ); return( status );
psa_get_key_slot_attributes( slot, attributes ); attributes->core = slot->attr;
switch( slot->type ) switch( slot->attr.type )
{ {
#if defined(MBEDTLS_RSA_C) #if defined(MBEDTLS_RSA_C)
case PSA_KEY_TYPE_RSA_KEY_PAIR: case PSA_KEY_TYPE_RSA_KEY_PAIR:
@ -1184,7 +1196,7 @@ psa_status_t psa_get_key_attributes( psa_key_handle_t handle,
#if defined(MBEDTLS_PSA_CRYPTO_SE_C) #if defined(MBEDTLS_PSA_CRYPTO_SE_C)
/* TOnogrepDO: reporting the public exponent for opaque keys /* TOnogrepDO: reporting the public exponent for opaque keys
* is not yet implemented. */ * is not yet implemented. */
if( psa_get_se_driver( slot->lifetime, NULL, NULL ) ) if( psa_get_se_driver( slot->attr.lifetime, NULL, NULL ) )
break; break;
#endif /* MBEDTLS_PSA_CRYPTO_SE_C */ #endif /* MBEDTLS_PSA_CRYPTO_SE_C */
status = psa_get_rsa_public_exponent( slot->data.rsa, attributes ); status = psa_get_rsa_public_exponent( slot->data.rsa, attributes );
@ -1229,11 +1241,11 @@ static psa_status_t psa_internal_export_key( const psa_key_slot_t *slot,
*data_length = 0; *data_length = 0;
if( export_public_key && ! PSA_KEY_TYPE_IS_ASYMMETRIC( slot->type ) ) if( export_public_key && ! PSA_KEY_TYPE_IS_ASYMMETRIC( slot->attr.type ) )
return( PSA_ERROR_INVALID_ARGUMENT ); return( PSA_ERROR_INVALID_ARGUMENT );
#if defined(MBEDTLS_PSA_CRYPTO_SE_C) #if defined(MBEDTLS_PSA_CRYPTO_SE_C)
if( psa_get_se_driver( slot->lifetime, &drv, &drv_context ) ) if( psa_get_se_driver( slot->attr.lifetime, &drv, &drv_context ) )
{ {
psa_drv_se_export_key_t method; psa_drv_se_export_key_t method;
if( drv->key_management == NULL ) if( drv->key_management == NULL )
@ -1249,7 +1261,7 @@ static psa_status_t psa_internal_export_key( const psa_key_slot_t *slot,
} }
#endif /* MBEDTLS_PSA_CRYPTO_SE_C */ #endif /* MBEDTLS_PSA_CRYPTO_SE_C */
if( key_type_is_raw_bytes( slot->type ) ) if( key_type_is_raw_bytes( slot->attr.type ) )
{ {
if( slot->data.raw.bytes > data_size ) if( slot->data.raw.bytes > data_size )
return( PSA_ERROR_BUFFER_TOO_SMALL ); return( PSA_ERROR_BUFFER_TOO_SMALL );
@ -1263,11 +1275,11 @@ static psa_status_t psa_internal_export_key( const psa_key_slot_t *slot,
return( PSA_SUCCESS ); return( PSA_SUCCESS );
} }
#if defined(MBEDTLS_ECP_C) #if defined(MBEDTLS_ECP_C)
if( PSA_KEY_TYPE_IS_ECC_KEY_PAIR( slot->type ) && !export_public_key ) if( PSA_KEY_TYPE_IS_ECC_KEY_PAIR( slot->attr.type ) && !export_public_key )
{ {
psa_status_t status; psa_status_t status;
size_t bytes = PSA_BITS_TO_BYTES( psa_get_key_slot_bits( slot ) ); size_t bytes = PSA_BITS_TO_BYTES( slot->attr.bits );
if( bytes > data_size ) if( bytes > data_size )
return( PSA_ERROR_BUFFER_TOO_SMALL ); return( PSA_ERROR_BUFFER_TOO_SMALL );
status = mbedtls_to_psa_error( status = mbedtls_to_psa_error(
@ -1282,12 +1294,12 @@ static psa_status_t psa_internal_export_key( const psa_key_slot_t *slot,
else else
{ {
#if defined(MBEDTLS_PK_WRITE_C) #if defined(MBEDTLS_PK_WRITE_C)
if( PSA_KEY_TYPE_IS_RSA( slot->type ) || if( PSA_KEY_TYPE_IS_RSA( slot->attr.type ) ||
PSA_KEY_TYPE_IS_ECC( slot->type ) ) PSA_KEY_TYPE_IS_ECC( slot->attr.type ) )
{ {
mbedtls_pk_context pk; mbedtls_pk_context pk;
int ret; int ret;
if( PSA_KEY_TYPE_IS_RSA( slot->type ) ) if( PSA_KEY_TYPE_IS_RSA( slot->attr.type ) )
{ {
#if defined(MBEDTLS_RSA_C) #if defined(MBEDTLS_RSA_C)
mbedtls_pk_init( &pk ); mbedtls_pk_init( &pk );
@ -1307,7 +1319,7 @@ static psa_status_t psa_internal_export_key( const psa_key_slot_t *slot,
return( PSA_ERROR_NOT_SUPPORTED ); return( PSA_ERROR_NOT_SUPPORTED );
#endif #endif
} }
if( export_public_key || PSA_KEY_TYPE_IS_PUBLIC_KEY( slot->type ) ) if( export_public_key || PSA_KEY_TYPE_IS_PUBLIC_KEY( slot->attr.type ) )
{ {
ret = pk_write_pubkey_simple( &pk, data, data_size ); ret = pk_write_pubkey_simple( &pk, data, data_size );
} }
@ -1396,9 +1408,13 @@ psa_status_t psa_export_public_key( psa_key_handle_t handle,
data_length, 1 ) ); data_length, 1 ) );
} }
static psa_status_t psa_set_key_policy_internal( /** Validate that a key policy is internally well-formed.
psa_key_slot_t *slot, *
const psa_key_policy_t *policy ) * This function only rejects invalid policies. It does not validate the
* consistency of the policy with respect to other attributes of the key
* such as the key type.
*/
static psa_status_t psa_validate_key_policy( const psa_key_policy_t *policy )
{ {
if( ( policy->usage & ~( PSA_KEY_USAGE_EXPORT | if( ( policy->usage & ~( PSA_KEY_USAGE_EXPORT |
PSA_KEY_USAGE_COPY | PSA_KEY_USAGE_COPY |
@ -1409,7 +1425,48 @@ static psa_status_t psa_set_key_policy_internal(
PSA_KEY_USAGE_DERIVE ) ) != 0 ) PSA_KEY_USAGE_DERIVE ) ) != 0 )
return( PSA_ERROR_INVALID_ARGUMENT ); return( PSA_ERROR_INVALID_ARGUMENT );
slot->policy = *policy; return( PSA_SUCCESS );
}
/** Validate the internal consistency of key attributes.
*
* This function only rejects invalid attribute values. If does not
* validate the consistency of the attributes with any key data that may
* be involved in the creation of the key.
*
* Call this function early in the key creation process.
*
* \param[in] attributes Key attributes for the new key.
* \param[out] p_drv On any return, the driver for the key, if any.
* NULL for a transparent key.
*
*/
static psa_status_t psa_validate_key_attributes(
const psa_key_attributes_t *attributes,
psa_se_drv_table_entry_t **p_drv )
{
psa_status_t status;
if( attributes->core.lifetime != PSA_KEY_LIFETIME_VOLATILE )
{
status = psa_validate_persistent_key_parameters(
attributes->core.lifetime, attributes->core.id,
p_drv, 1 );
if( status != PSA_SUCCESS )
return( status );
}
status = psa_validate_key_policy( &attributes->core.policy );
if( status != PSA_SUCCESS )
return( status );
/* Refuse to create overly large keys.
* Note that this doesn't trigger on import if the attributes don't
* explicitly specify a size (so psa_get_key_bits returns 0), so
* psa_import_key() needs its own checks. */
if( psa_get_key_bits( attributes ) > PSA_MAX_KEY_BITS )
return( PSA_ERROR_NOT_SUPPORTED );
return( PSA_SUCCESS ); return( PSA_SUCCESS );
} }
@ -1449,26 +1506,22 @@ static psa_status_t psa_start_key_creation(
*p_drv = NULL; *p_drv = NULL;
status = psa_validate_key_attributes( attributes, p_drv );
if( status != PSA_SUCCESS )
return( status );
status = psa_internal_allocate_key_slot( handle, p_slot ); status = psa_internal_allocate_key_slot( handle, p_slot );
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
return( status ); return( status );
slot = *p_slot; slot = *p_slot;
status = psa_set_key_policy_internal( slot, &attributes->policy ); /* We're storing the declared bit-size of the key. It's up to each
if( status != PSA_SUCCESS ) * creation mechanism to verify that this information is correct.
return( status ); * It's automatically correct for mechanisms that use the bit-size as
slot->lifetime = attributes->lifetime; * an input (generate, device) but not for those where the bit-size
* is optional (import, copy). */
if( attributes->lifetime != PSA_KEY_LIFETIME_VOLATILE ) slot->attr = attributes->core;
{
status = psa_validate_persistent_key_parameters( attributes->lifetime,
attributes->id,
p_drv, 1 );
if( status != PSA_SUCCESS )
return( status );
slot->persistent_storage_id = attributes->id;
}
slot->type = attributes->type;
#if defined(MBEDTLS_PSA_CRYPTO_SE_C) #if defined(MBEDTLS_PSA_CRYPTO_SE_C)
/* For a key in a secure element, we need to do three things: /* For a key in a secure element, we need to do three things:
@ -1491,19 +1544,15 @@ static psa_status_t psa_start_key_creation(
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
return( status ); return( status );
psa_crypto_prepare_transaction( PSA_CRYPTO_TRANSACTION_CREATE_KEY ); psa_crypto_prepare_transaction( PSA_CRYPTO_TRANSACTION_CREATE_KEY );
psa_crypto_transaction.key.lifetime = slot->lifetime; psa_crypto_transaction.key.lifetime = slot->attr.lifetime;
psa_crypto_transaction.key.slot = slot->data.se.slot_number; psa_crypto_transaction.key.slot = slot->data.se.slot_number;
psa_crypto_transaction.key.id = slot->persistent_storage_id; psa_crypto_transaction.key.id = slot->attr.id;
status = psa_crypto_save_transaction( ); status = psa_crypto_save_transaction( );
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
{ {
(void) psa_crypto_stop_transaction( ); (void) psa_crypto_stop_transaction( );
return( status ); return( status );
} }
/* TOnogrepDO: validate bits. How to do this depends on the key
* creation method, so setting bits might not belong here. */
slot->data.se.bits = psa_get_key_bits( attributes );
} }
#endif /* MBEDTLS_PSA_CRYPTO_SE_C */ #endif /* MBEDTLS_PSA_CRYPTO_SE_C */
@ -1536,24 +1585,33 @@ static psa_status_t psa_finish_key_creation(
(void) driver; (void) driver;
#if defined(MBEDTLS_PSA_CRYPTO_STORAGE_C) #if defined(MBEDTLS_PSA_CRYPTO_STORAGE_C)
if( slot->lifetime != PSA_KEY_LIFETIME_VOLATILE ) if( slot->attr.lifetime != PSA_KEY_LIFETIME_VOLATILE )
{ {
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
psa_get_key_slot_attributes( slot, &attributes );
#if defined(MBEDTLS_PSA_CRYPTO_SE_C) #if defined(MBEDTLS_PSA_CRYPTO_SE_C)
if( driver != NULL ) if( driver != NULL )
{ {
status = psa_save_persistent_key( &attributes, psa_se_key_data_storage_t data;
(uint8_t*) &slot->data.se, #if defined(static_assert)
sizeof( slot->data.se ) ); static_assert( sizeof( slot->data.se.slot_number ) ==
sizeof( data.slot_number ),
"Slot number size does not match psa_se_key_data_storage_t" );
static_assert( sizeof( slot->attr.bits ) == sizeof( data.bits ),
"Bit-size size does not match psa_se_key_data_storage_t" );
#endif
memcpy( &data.slot_number, &slot->data.se.slot_number,
sizeof( slot->data.se.slot_number ) );
memcpy( &data.bits, &slot->attr.bits,
sizeof( slot->attr.bits ) );
status = psa_save_persistent_key( &slot->attr,
(uint8_t*) &data,
sizeof( data ) );
} }
else else
#endif /* MBEDTLS_PSA_CRYPTO_SE_C */ #endif /* MBEDTLS_PSA_CRYPTO_SE_C */
{ {
size_t buffer_size = size_t buffer_size =
PSA_KEY_EXPORT_MAX_SIZE( slot->type, PSA_KEY_EXPORT_MAX_SIZE( slot->attr.type,
psa_get_key_bits( &attributes ) ); slot->attr.bits );
uint8_t *buffer = mbedtls_calloc( 1, buffer_size ); uint8_t *buffer = mbedtls_calloc( 1, buffer_size );
size_t length = 0; size_t length = 0;
if( buffer == NULL && buffer_size != 0 ) if( buffer == NULL && buffer_size != 0 )
@ -1562,7 +1620,8 @@ static psa_status_t psa_finish_key_creation(
buffer, buffer_size, &length, buffer, buffer_size, &length,
0 ); 0 );
if( status == PSA_SUCCESS ) if( status == PSA_SUCCESS )
status = psa_save_persistent_key( &attributes, buffer, length ); status = psa_save_persistent_key( &slot->attr,
buffer, length );
if( buffer_size != 0 ) if( buffer_size != 0 )
mbedtls_platform_zeroize( buffer, buffer_size ); mbedtls_platform_zeroize( buffer, buffer_size );
@ -1577,7 +1636,7 @@ static psa_status_t psa_finish_key_creation(
status = psa_save_se_persistent_data( driver ); status = psa_save_se_persistent_data( driver );
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
{ {
psa_destroy_persistent_key( slot->persistent_storage_id ); psa_destroy_persistent_key( slot->attr.id );
return( status ); return( status );
} }
status = psa_crypto_stop_transaction( ); status = psa_crypto_stop_transaction( );
@ -1624,20 +1683,29 @@ static void psa_fail_key_creation( psa_key_slot_t *slot,
psa_wipe_key_slot( slot ); psa_wipe_key_slot( slot );
} }
static psa_status_t psa_check_key_slot_attributes( /** Validate optional attributes during key creation.
*
* Some key attributes are optional during key creation. If they are
* specified in the attributes structure, check that they are consistent
* with the data in the slot.
*
* This function should be called near the end of key creation, after
* the slot in memory is fully populated but before saving persistent data.
*/
static psa_status_t psa_validate_optional_attributes(
const psa_key_slot_t *slot, const psa_key_slot_t *slot,
const psa_key_attributes_t *attributes ) const psa_key_attributes_t *attributes )
{ {
if( attributes->type != 0 ) if( attributes->core.type != 0 )
{ {
if( attributes->type != slot->type ) if( attributes->core.type != slot->attr.type )
return( PSA_ERROR_INVALID_ARGUMENT ); return( PSA_ERROR_INVALID_ARGUMENT );
} }
if( attributes->domain_parameters_size != 0 ) if( attributes->domain_parameters_size != 0 )
{ {
#if defined(MBEDTLS_RSA_C) #if defined(MBEDTLS_RSA_C)
if( PSA_KEY_TYPE_IS_RSA( slot->type ) ) if( PSA_KEY_TYPE_IS_RSA( slot->attr.type ) )
{ {
mbedtls_mpi actual, required; mbedtls_mpi actual, required;
int ret; int ret;
@ -1667,9 +1735,9 @@ static psa_status_t psa_check_key_slot_attributes(
} }
} }
if( attributes->bits != 0 ) if( attributes->core.bits != 0 )
{ {
if( attributes->bits != psa_get_key_slot_bits( slot ) ) if( attributes->core.bits != slot->attr.bits )
return( PSA_ERROR_INVALID_ARGUMENT ); return( PSA_ERROR_INVALID_ARGUMENT );
} }
@ -1693,6 +1761,7 @@ psa_status_t psa_import_key( const psa_key_attributes_t *attributes,
if( driver != NULL ) if( driver != NULL )
{ {
const psa_drv_se_t *drv = psa_get_se_driver_methods( driver ); const psa_drv_se_t *drv = psa_get_se_driver_methods( driver );
size_t bits;
if( drv->key_management == NULL || if( drv->key_management == NULL ||
drv->key_management->p_import == NULL ) drv->key_management->p_import == NULL )
{ {
@ -1702,9 +1771,18 @@ psa_status_t psa_import_key( const psa_key_attributes_t *attributes,
status = drv->key_management->p_import( status = drv->key_management->p_import(
psa_get_se_driver_context( driver ), psa_get_se_driver_context( driver ),
slot->data.se.slot_number, slot->data.se.slot_number,
slot->lifetime, slot->type, slot->policy.alg, slot->policy.usage, slot->attr.lifetime, slot->attr.type,
slot->attr.policy.alg, slot->attr.policy.usage,
data, data_length, data, data_length,
&slot->data.se.bits ); &bits );
if( status != PSA_SUCCESS )
goto exit;
if( bits > PSA_MAX_KEY_BITS )
{
status = PSA_ERROR_NOT_SUPPORTED;
goto exit;
}
slot->attr.bits = (psa_key_bits_t) bits;
} }
else else
#endif /* MBEDTLS_PSA_CRYPTO_SE_C */ #endif /* MBEDTLS_PSA_CRYPTO_SE_C */
@ -1713,7 +1791,7 @@ psa_status_t psa_import_key( const psa_key_attributes_t *attributes,
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
goto exit; goto exit;
} }
status = psa_check_key_slot_attributes( slot, attributes ); status = psa_validate_optional_attributes( slot, attributes );
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
goto exit; goto exit;
@ -1735,7 +1813,7 @@ static psa_status_t psa_copy_key_material( const psa_key_slot_t *source,
size_t buffer_size = 0; size_t buffer_size = 0;
size_t length; size_t length;
buffer_size = PSA_KEY_EXPORT_MAX_SIZE( source->type, buffer_size = PSA_KEY_EXPORT_MAX_SIZE( source->attr.type,
psa_get_key_slot_bits( source ) ); psa_get_key_slot_bits( source ) );
buffer = mbedtls_calloc( 1, buffer_size ); buffer = mbedtls_calloc( 1, buffer_size );
if( buffer == NULL && buffer_size != 0 ) if( buffer == NULL && buffer_size != 0 )
@ -1743,7 +1821,7 @@ static psa_status_t psa_copy_key_material( const psa_key_slot_t *source,
status = psa_internal_export_key( source, buffer, buffer_size, &length, 0 ); status = psa_internal_export_key( source, buffer, buffer_size, &length, 0 );
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
goto exit; goto exit;
target->type = source->type; target->attr.type = source->attr.type;
status = psa_import_key_into_slot( target, buffer, length ); status = psa_import_key_into_slot( target, buffer, length );
exit: exit:
@ -1768,12 +1846,13 @@ psa_status_t psa_copy_key( psa_key_handle_t source_handle,
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
goto exit; goto exit;
status = psa_check_key_slot_attributes( source_slot, specified_attributes ); status = psa_validate_optional_attributes( source_slot,
specified_attributes );
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
goto exit; goto exit;
status = psa_restrict_key_policy( &actual_attributes.policy, status = psa_restrict_key_policy( &actual_attributes.core.policy,
&source_slot->policy ); &source_slot->attr.policy );
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
goto exit; goto exit;
@ -2563,7 +2642,7 @@ static psa_status_t psa_mac_setup( psa_mac_operation_t *operation,
{ {
const mbedtls_cipher_info_t *cipher_info = const mbedtls_cipher_info_t *cipher_info =
mbedtls_cipher_info_from_psa( full_length_alg, mbedtls_cipher_info_from_psa( full_length_alg,
slot->type, key_bits, NULL ); slot->attr.type, key_bits, NULL );
int ret; int ret;
if( cipher_info == NULL ) if( cipher_info == NULL )
{ {
@ -2595,7 +2674,7 @@ static psa_status_t psa_mac_setup( psa_mac_operation_t *operation,
goto exit; goto exit;
} }
if( slot->type != PSA_KEY_TYPE_HMAC ) if( slot->attr.type != PSA_KEY_TYPE_HMAC )
{ {
status = PSA_ERROR_INVALID_ARGUMENT; status = PSA_ERROR_INVALID_ARGUMENT;
goto exit; goto exit;
@ -3135,14 +3214,14 @@ psa_status_t psa_asymmetric_sign( psa_key_handle_t handle,
status = psa_get_transparent_key( handle, &slot, PSA_KEY_USAGE_SIGN, alg ); status = psa_get_transparent_key( handle, &slot, PSA_KEY_USAGE_SIGN, alg );
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
goto exit; goto exit;
if( ! PSA_KEY_TYPE_IS_KEY_PAIR( slot->type ) ) if( ! PSA_KEY_TYPE_IS_KEY_PAIR( slot->attr.type ) )
{ {
status = PSA_ERROR_INVALID_ARGUMENT; status = PSA_ERROR_INVALID_ARGUMENT;
goto exit; goto exit;
} }
#if defined(MBEDTLS_RSA_C) #if defined(MBEDTLS_RSA_C)
if( slot->type == PSA_KEY_TYPE_RSA_KEY_PAIR ) if( slot->attr.type == PSA_KEY_TYPE_RSA_KEY_PAIR )
{ {
status = psa_rsa_sign( slot->data.rsa, status = psa_rsa_sign( slot->data.rsa,
alg, alg,
@ -3153,7 +3232,7 @@ psa_status_t psa_asymmetric_sign( psa_key_handle_t handle,
else else
#endif /* defined(MBEDTLS_RSA_C) */ #endif /* defined(MBEDTLS_RSA_C) */
#if defined(MBEDTLS_ECP_C) #if defined(MBEDTLS_ECP_C)
if( PSA_KEY_TYPE_IS_ECC( slot->type ) ) if( PSA_KEY_TYPE_IS_ECC( slot->attr.type ) )
{ {
#if defined(MBEDTLS_ECDSA_C) #if defined(MBEDTLS_ECDSA_C)
if( if(
@ -3210,7 +3289,7 @@ psa_status_t psa_asymmetric_verify( psa_key_handle_t handle,
return( status ); return( status );
#if defined(MBEDTLS_RSA_C) #if defined(MBEDTLS_RSA_C)
if( PSA_KEY_TYPE_IS_RSA( slot->type ) ) if( PSA_KEY_TYPE_IS_RSA( slot->attr.type ) )
{ {
return( psa_rsa_verify( slot->data.rsa, return( psa_rsa_verify( slot->data.rsa,
alg, alg,
@ -3220,7 +3299,7 @@ psa_status_t psa_asymmetric_verify( psa_key_handle_t handle,
else else
#endif /* defined(MBEDTLS_RSA_C) */ #endif /* defined(MBEDTLS_RSA_C) */
#if defined(MBEDTLS_ECP_C) #if defined(MBEDTLS_ECP_C)
if( PSA_KEY_TYPE_IS_ECC( slot->type ) ) if( PSA_KEY_TYPE_IS_ECC( slot->attr.type ) )
{ {
#if defined(MBEDTLS_ECDSA_C) #if defined(MBEDTLS_ECDSA_C)
if( PSA_ALG_IS_ECDSA( alg ) ) if( PSA_ALG_IS_ECDSA( alg ) )
@ -3278,12 +3357,12 @@ psa_status_t psa_asymmetric_encrypt( psa_key_handle_t handle,
status = psa_get_transparent_key( handle, &slot, PSA_KEY_USAGE_ENCRYPT, alg ); status = psa_get_transparent_key( handle, &slot, PSA_KEY_USAGE_ENCRYPT, alg );
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
return( status ); return( status );
if( ! ( PSA_KEY_TYPE_IS_PUBLIC_KEY( slot->type ) || if( ! ( PSA_KEY_TYPE_IS_PUBLIC_KEY( slot->attr.type ) ||
PSA_KEY_TYPE_IS_KEY_PAIR( slot->type ) ) ) PSA_KEY_TYPE_IS_KEY_PAIR( slot->attr.type ) ) )
return( PSA_ERROR_INVALID_ARGUMENT ); return( PSA_ERROR_INVALID_ARGUMENT );
#if defined(MBEDTLS_RSA_C) #if defined(MBEDTLS_RSA_C)
if( PSA_KEY_TYPE_IS_RSA( slot->type ) ) if( PSA_KEY_TYPE_IS_RSA( slot->attr.type ) )
{ {
mbedtls_rsa_context *rsa = slot->data.rsa; mbedtls_rsa_context *rsa = slot->data.rsa;
int ret; int ret;
@ -3358,11 +3437,11 @@ psa_status_t psa_asymmetric_decrypt( psa_key_handle_t handle,
status = psa_get_transparent_key( handle, &slot, PSA_KEY_USAGE_DECRYPT, alg ); status = psa_get_transparent_key( handle, &slot, PSA_KEY_USAGE_DECRYPT, alg );
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
return( status ); return( status );
if( ! PSA_KEY_TYPE_IS_KEY_PAIR( slot->type ) ) if( ! PSA_KEY_TYPE_IS_KEY_PAIR( slot->attr.type ) )
return( PSA_ERROR_INVALID_ARGUMENT ); return( PSA_ERROR_INVALID_ARGUMENT );
#if defined(MBEDTLS_RSA_C) #if defined(MBEDTLS_RSA_C)
if( slot->type == PSA_KEY_TYPE_RSA_KEY_PAIR ) if( slot->attr.type == PSA_KEY_TYPE_RSA_KEY_PAIR )
{ {
mbedtls_rsa_context *rsa = slot->data.rsa; mbedtls_rsa_context *rsa = slot->data.rsa;
int ret; int ret;
@ -3469,7 +3548,7 @@ static psa_status_t psa_cipher_setup( psa_cipher_operation_t *operation,
goto exit; goto exit;
key_bits = psa_get_key_slot_bits( slot ); key_bits = psa_get_key_slot_bits( slot );
cipher_info = mbedtls_cipher_info_from_psa( alg, slot->type, key_bits, NULL ); cipher_info = mbedtls_cipher_info_from_psa( alg, slot->attr.type, key_bits, NULL );
if( cipher_info == NULL ) if( cipher_info == NULL )
{ {
status = PSA_ERROR_NOT_SUPPORTED; status = PSA_ERROR_NOT_SUPPORTED;
@ -3481,7 +3560,7 @@ static psa_status_t psa_cipher_setup( psa_cipher_operation_t *operation,
goto exit; goto exit;
#if defined(MBEDTLS_DES_C) #if defined(MBEDTLS_DES_C)
if( slot->type == PSA_KEY_TYPE_DES && key_bits == 128 ) if( slot->attr.type == PSA_KEY_TYPE_DES && key_bits == 128 )
{ {
/* Two-key Triple-DES is 3-key Triple-DES with K1=K3 */ /* Two-key Triple-DES is 3-key Triple-DES with K1=K3 */
uint8_t keys[24]; uint8_t keys[24];
@ -3523,10 +3602,10 @@ static psa_status_t psa_cipher_setup( psa_cipher_operation_t *operation,
operation->key_set = 1; operation->key_set = 1;
operation->block_size = ( PSA_ALG_IS_STREAM_CIPHER( alg ) ? 1 : operation->block_size = ( PSA_ALG_IS_STREAM_CIPHER( alg ) ? 1 :
PSA_BLOCK_CIPHER_BLOCK_SIZE( slot->type ) ); PSA_BLOCK_CIPHER_BLOCK_SIZE( slot->attr.type ) );
if( alg & PSA_ALG_CIPHER_FROM_BLOCK_FLAG ) if( alg & PSA_ALG_CIPHER_FROM_BLOCK_FLAG )
{ {
operation->iv_size = PSA_BLOCK_CIPHER_BLOCK_SIZE( slot->type ); operation->iv_size = PSA_BLOCK_CIPHER_BLOCK_SIZE( slot->attr.type );
} }
#if defined(MBEDTLS_CHACHA20_C) #if defined(MBEDTLS_CHACHA20_C)
else else
@ -3808,7 +3887,7 @@ static psa_status_t psa_aead_setup( aead_operation_t *operation,
key_bits = psa_get_key_slot_bits( operation->slot ); key_bits = psa_get_key_slot_bits( operation->slot );
operation->cipher_info = operation->cipher_info =
mbedtls_cipher_info_from_psa( alg, operation->slot->type, key_bits, mbedtls_cipher_info_from_psa( alg, operation->slot->attr.type, key_bits,
&cipher_id ); &cipher_id );
if( operation->cipher_info == NULL ) if( operation->cipher_info == NULL )
return( PSA_ERROR_NOT_SUPPORTED ); return( PSA_ERROR_NOT_SUPPORTED );
@ -3822,7 +3901,7 @@ static psa_status_t psa_aead_setup( aead_operation_t *operation,
/* CCM allows the following tag lengths: 4, 6, 8, 10, 12, 14, 16. /* CCM allows the following tag lengths: 4, 6, 8, 10, 12, 14, 16.
* The call to mbedtls_ccm_encrypt_and_tag or * The call to mbedtls_ccm_encrypt_and_tag or
* mbedtls_ccm_auth_decrypt will validate the tag length. */ * mbedtls_ccm_auth_decrypt will validate the tag length. */
if( PSA_BLOCK_CIPHER_BLOCK_SIZE( operation->slot->type ) != 16 ) if( PSA_BLOCK_CIPHER_BLOCK_SIZE( operation->slot->attr.type ) != 16 )
return( PSA_ERROR_INVALID_ARGUMENT ); return( PSA_ERROR_INVALID_ARGUMENT );
mbedtls_ccm_init( &operation->ctx.ccm ); mbedtls_ccm_init( &operation->ctx.ccm );
status = mbedtls_to_psa_error( status = mbedtls_to_psa_error(
@ -3841,7 +3920,7 @@ static psa_status_t psa_aead_setup( aead_operation_t *operation,
/* GCM allows the following tag lengths: 4, 8, 12, 13, 14, 15, 16. /* GCM allows the following tag lengths: 4, 8, 12, 13, 14, 15, 16.
* The call to mbedtls_gcm_crypt_and_tag or * The call to mbedtls_gcm_crypt_and_tag or
* mbedtls_gcm_auth_decrypt will validate the tag length. */ * mbedtls_gcm_auth_decrypt will validate the tag length. */
if( PSA_BLOCK_CIPHER_BLOCK_SIZE( operation->slot->type ) != 16 ) if( PSA_BLOCK_CIPHER_BLOCK_SIZE( operation->slot->attr.type ) != 16 )
return( PSA_ERROR_INVALID_ARGUMENT ); return( PSA_ERROR_INVALID_ARGUMENT );
mbedtls_gcm_init( &operation->ctx.gcm ); mbedtls_gcm_init( &operation->ctx.gcm );
status = mbedtls_to_psa_error( status = mbedtls_to_psa_error(
@ -4666,7 +4745,7 @@ static psa_status_t psa_generate_derived_key_internal(
size_t bytes = PSA_BITS_TO_BYTES( bits ); size_t bytes = PSA_BITS_TO_BYTES( bits );
psa_status_t status; psa_status_t status;
if( ! key_type_is_raw_bytes( slot->type ) ) if( ! key_type_is_raw_bytes( slot->attr.type ) )
return( PSA_ERROR_INVALID_ARGUMENT ); return( PSA_ERROR_INVALID_ARGUMENT );
if( bits % 8 != 0 ) if( bits % 8 != 0 )
return( PSA_ERROR_INVALID_ARGUMENT ); return( PSA_ERROR_INVALID_ARGUMENT );
@ -4678,7 +4757,7 @@ static psa_status_t psa_generate_derived_key_internal(
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
goto exit; goto exit;
#if defined(MBEDTLS_DES_C) #if defined(MBEDTLS_DES_C)
if( slot->type == PSA_KEY_TYPE_DES ) if( slot->attr.type == PSA_KEY_TYPE_DES )
psa_des_set_key_parity( data, bytes ); psa_des_set_key_parity( data, bytes );
#endif /* MBEDTLS_DES_C */ #endif /* MBEDTLS_DES_C */
status = psa_import_key_into_slot( slot, data, bytes ); status = psa_import_key_into_slot( slot, data, bytes );
@ -4706,7 +4785,7 @@ psa_status_t psa_key_derivation_output_key( const psa_key_attributes_t *attribut
if( status == PSA_SUCCESS ) if( status == PSA_SUCCESS )
{ {
status = psa_generate_derived_key_internal( slot, status = psa_generate_derived_key_internal( slot,
attributes->bits, attributes->core.bits,
operation ); operation );
} }
if( status == PSA_SUCCESS ) if( status == PSA_SUCCESS )
@ -4987,7 +5066,7 @@ psa_status_t psa_key_derivation( psa_key_derivation_operation_t *operation,
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
return( status ); return( status );
if( slot->type != PSA_KEY_TYPE_DERIVE ) if( slot->attr.type != PSA_KEY_TYPE_DERIVE )
return( PSA_ERROR_INVALID_ARGUMENT ); return( PSA_ERROR_INVALID_ARGUMENT );
status = psa_key_derivation_internal( operation, status = psa_key_derivation_internal( operation,
@ -5362,7 +5441,7 @@ psa_status_t psa_key_derivation_input_key(
operation->alg ); operation->alg );
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
return( status ); return( status );
if( slot->type != PSA_KEY_TYPE_DERIVE ) if( slot->attr.type != PSA_KEY_TYPE_DERIVE )
return( PSA_ERROR_INVALID_ARGUMENT ); return( PSA_ERROR_INVALID_ARGUMENT );
/* Don't allow a key to be used as an input that is usually public. /* Don't allow a key to be used as an input that is usually public.
* This is debatable. It's ok from a cryptographic perspective to * This is debatable. It's ok from a cryptographic perspective to
@ -5442,7 +5521,7 @@ static psa_status_t psa_key_agreement_raw_internal( psa_algorithm_t alg,
{ {
#if defined(MBEDTLS_ECDH_C) #if defined(MBEDTLS_ECDH_C)
case PSA_ALG_ECDH: case PSA_ALG_ECDH:
if( ! PSA_KEY_TYPE_IS_ECC_KEY_PAIR( private_key->type ) ) if( ! PSA_KEY_TYPE_IS_ECC_KEY_PAIR( private_key->attr.type ) )
return( PSA_ERROR_INVALID_ARGUMENT ); return( PSA_ERROR_INVALID_ARGUMENT );
return( psa_key_agreement_ecdh( peer_key, peer_key_length, return( psa_key_agreement_ecdh( peer_key, peer_key_length,
private_key->data.ecp, private_key->data.ecp,
@ -5571,6 +5650,17 @@ psa_status_t psa_generate_random( uint8_t *output,
int ret; int ret;
GUARD_MODULE_INITIALIZED; GUARD_MODULE_INITIALIZED;
while( output_size > MBEDTLS_CTR_DRBG_MAX_REQUEST )
{
ret = mbedtls_ctr_drbg_random( &global_data.ctr_drbg,
output,
MBEDTLS_CTR_DRBG_MAX_REQUEST );
if( ret != 0 )
return( mbedtls_to_psa_error( ret ) );
output += MBEDTLS_CTR_DRBG_MAX_REQUEST;
output_size -= MBEDTLS_CTR_DRBG_MAX_REQUEST;
}
ret = mbedtls_ctr_drbg_random( &global_data.ctr_drbg, output, output_size ); ret = mbedtls_ctr_drbg_random( &global_data.ctr_drbg, output, output_size );
return( mbedtls_to_psa_error( ret ) ); return( mbedtls_to_psa_error( ret ) );
} }
@ -5625,7 +5715,7 @@ static psa_status_t psa_generate_key_internal(
psa_key_slot_t *slot, size_t bits, psa_key_slot_t *slot, size_t bits,
const uint8_t *domain_parameters, size_t domain_parameters_size ) const uint8_t *domain_parameters, size_t domain_parameters_size )
{ {
psa_key_type_t type = slot->type; psa_key_type_t type = slot->attr.type;
if( domain_parameters == NULL && domain_parameters_size != 0 ) if( domain_parameters == NULL && domain_parameters_size != 0 )
return( PSA_ERROR_INVALID_ARGUMENT ); return( PSA_ERROR_INVALID_ARGUMENT );
@ -5639,10 +5729,7 @@ static psa_status_t psa_generate_key_internal(
status = psa_generate_random( slot->data.raw.data, status = psa_generate_random( slot->data.raw.data,
slot->data.raw.bytes ); slot->data.raw.bytes );
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
{
mbedtls_free( slot->data.raw.data );
return( status ); return( status );
}
#if defined(MBEDTLS_DES_C) #if defined(MBEDTLS_DES_C)
if( type == PSA_KEY_TYPE_DES ) if( type == PSA_KEY_TYPE_DES )
psa_des_set_key_parity( slot->data.raw.data, psa_des_set_key_parity( slot->data.raw.data,
@ -5744,7 +5831,7 @@ psa_status_t psa_generate_key( const psa_key_attributes_t *attributes,
if( status == PSA_SUCCESS ) if( status == PSA_SUCCESS )
{ {
status = psa_generate_key_internal( status = psa_generate_key_internal(
slot, attributes->bits, slot, attributes->core.bits,
attributes->domain_parameters, attributes->domain_parameters_size ); attributes->domain_parameters, attributes->domain_parameters_size );
} }
if( status == PSA_SUCCESS ) if( status == PSA_SUCCESS )

71
library/psa_crypto_core.h
View File

@ -39,11 +39,7 @@
*/ */
typedef struct typedef struct
{ {
psa_key_type_t type; psa_core_key_attributes_t attr;
psa_key_policy_t policy;
psa_key_lifetime_t lifetime;
psa_key_file_id_t persistent_storage_id;
unsigned allocated : 1;
union union
{ {
/* Raw-data key (key_type_is_raw_bytes() in psa_crypto.c) */ /* Raw-data key (key_type_is_raw_bytes() in psa_crypto.c) */
@ -64,11 +60,74 @@ typedef struct
struct se struct se
{ {
psa_key_slot_number_t slot_number; psa_key_slot_number_t slot_number;
size_t bits;
} se; } se;
} data; } data;
} psa_key_slot_t; } psa_key_slot_t;
/** Test whether a key slot is occupied.
*
* A key slot is occupied iff the key type is nonzero. This works because
* no valid key can have 0 as its key type.
*
* \param[in] slot The key slot to test.
*
* \return 1 if the slot is occupied, 0 otherwise.
*/
static inline int psa_is_key_slot_occupied( const psa_key_slot_t *slot )
{
return( slot->attr.type != 0 );
}
/** Retrieve flags from psa_key_slot_t::attr::core::flags.
*
* \param[in] slot The key slot to query.
* \param mask The mask of bits to extract.
*
* \return The key attribute flags in the given slot,
* bitwise-anded with \p mask.
*/
static inline uint16_t psa_key_slot_get_flags( const psa_key_slot_t *slot,
uint16_t mask )
{
return( slot->attr.flags & mask );
}
/** Set flags in psa_key_slot_t::attr::core::flags.
*
* \param[in,out] slot The key slot to modify.
* \param mask The mask of bits to modify.
* \param value The new value of the selected bits.
*/
static inline void psa_key_slot_set_flags( psa_key_slot_t *slot,
uint16_t mask,
uint16_t value )
{
slot->attr.flags = ( ( ~mask & slot->attr.flags ) |
( mask & value ) );
}
/** Turn on flags in psa_key_slot_t::attr::core::flags.
*
* \param[in,out] slot The key slot to modify.
* \param mask The mask of bits to set.
*/
static inline void psa_key_slot_set_bits_in_flags( psa_key_slot_t *slot,
uint16_t mask )
{
slot->attr.flags |= mask;
}
/** Turn off flags in psa_key_slot_t::attr::core::flags.
*
* \param[in,out] slot The key slot to modify.
* \param mask The mask of bits to clear.
*/
static inline void psa_key_slot_clear_bits( psa_key_slot_t *slot,
uint16_t mask )
{
slot->attr.flags &= ~mask;
}
/** Completely wipe a slot in memory, including its policy. /** Completely wipe a slot in memory, including its policy.
* *
* Persistent storage is not affected. * Persistent storage is not affected.

2
library/psa_crypto_se.c
View File

@ -198,7 +198,7 @@ psa_status_t psa_find_se_slot_for_key(
psa_drv_se_allocate_key_t p_allocate = NULL; psa_drv_se_allocate_key_t p_allocate = NULL;
/* If the lifetime is wrong, it's a bug in the library. */ /* If the lifetime is wrong, it's a bug in the library. */
if( driver->lifetime != attributes->lifetime ) if( driver->lifetime != psa_get_key_lifetime( attributes ) )
return( PSA_ERROR_CORRUPTION_DETECTED ); return( PSA_ERROR_CORRUPTION_DETECTED );
/* If the driver doesn't support key creation in any way, give up now. */ /* If the driver doesn't support key creation in any way, give up now. */

9
library/psa_crypto_se.h
View File

@ -171,4 +171,13 @@ psa_status_t psa_save_se_persistent_data(
*/ */
psa_status_t psa_destroy_se_persistent_data( psa_key_lifetime_t lifetime ); psa_status_t psa_destroy_se_persistent_data( psa_key_lifetime_t lifetime );
/** The storage representation of a key whose data is in a secure element.
*/
typedef struct
{
uint8_t slot_number[sizeof( psa_key_slot_number_t )];
uint8_t bits[sizeof( psa_key_bits_t )];
} psa_se_key_data_storage_t;
#endif /* PSA_CRYPTO_SE_H */ #endif /* PSA_CRYPTO_SE_H */

58
library/psa_crypto_slot_management.c
View File

@ -33,6 +33,9 @@
#include "psa_crypto_core.h" #include "psa_crypto_core.h"
#include "psa_crypto_slot_management.h" #include "psa_crypto_slot_management.h"
#include "psa_crypto_storage.h" #include "psa_crypto_storage.h"
#if defined(MBEDTLS_PSA_CRYPTO_SE_C)
#include "psa_crypto_se.h"
#endif
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
@ -71,8 +74,8 @@ psa_status_t psa_get_key_slot( psa_key_handle_t handle,
return( PSA_ERROR_INVALID_HANDLE ); return( PSA_ERROR_INVALID_HANDLE );
slot = &global_data.key_slots[handle - 1]; slot = &global_data.key_slots[handle - 1];
/* If the slot hasn't been allocated, the handle is invalid. */ /* If the slot isn't occupied, the handle is invalid. */
if( ! slot->allocated ) if( ! psa_is_key_slot_occupied( slot ) )
return( PSA_ERROR_INVALID_HANDLE ); return( PSA_ERROR_INVALID_HANDLE );
*p_slot = slot; *p_slot = slot;
@ -108,48 +111,44 @@ psa_status_t psa_internal_allocate_key_slot( psa_key_handle_t *handle,
for( *handle = PSA_KEY_SLOT_COUNT; *handle != 0; --( *handle ) ) for( *handle = PSA_KEY_SLOT_COUNT; *handle != 0; --( *handle ) )
{ {
*p_slot = &global_data.key_slots[*handle - 1]; *p_slot = &global_data.key_slots[*handle - 1];
if( ! ( *p_slot )->allocated ) if( ! psa_is_key_slot_occupied( *p_slot ) )
{
( *p_slot )->allocated = 1;
return( PSA_SUCCESS ); return( PSA_SUCCESS );
} }
}
*p_slot = NULL; *p_slot = NULL;
return( PSA_ERROR_INSUFFICIENT_MEMORY ); return( PSA_ERROR_INSUFFICIENT_MEMORY );
} }
#if defined(MBEDTLS_PSA_CRYPTO_STORAGE_C) #if defined(MBEDTLS_PSA_CRYPTO_STORAGE_C)
static psa_status_t psa_load_persistent_key_into_slot( psa_key_slot_t *p_slot ) static psa_status_t psa_load_persistent_key_into_slot( psa_key_slot_t *slot )
{ {
psa_status_t status = PSA_SUCCESS; psa_status_t status = PSA_SUCCESS;
uint8_t *key_data = NULL; uint8_t *key_data = NULL;
size_t key_data_length = 0; size_t key_data_length = 0;
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
psa_set_key_id( &attributes, p_slot->persistent_storage_id ); status = psa_load_persistent_key( &slot->attr,
status = psa_load_persistent_key( &attributes,
&key_data, &key_data_length ); &key_data, &key_data_length );
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
goto exit; goto exit;
p_slot->lifetime = psa_get_key_lifetime( &attributes );
p_slot->type = psa_get_key_type( &attributes );
p_slot->policy = attributes.policy;
#if defined(MBEDTLS_PSA_CRYPTO_SE_C) #if defined(MBEDTLS_PSA_CRYPTO_SE_C)
if( psa_key_lifetime_is_external( p_slot->lifetime ) ) if( psa_key_lifetime_is_external( slot->attr.lifetime ) )
{ {
if( key_data_length != sizeof( p_slot->data.se ) ) psa_se_key_data_storage_t *data;
if( key_data_length != sizeof( *data ) )
{ {
status = PSA_ERROR_STORAGE_FAILURE; status = PSA_ERROR_STORAGE_FAILURE;
goto exit; goto exit;
} }
memcpy( &p_slot->data.se, key_data, sizeof( p_slot->data.se ) ); data = (psa_se_key_data_storage_t *) key_data;
memcpy( &slot->data.se.slot_number, &data->slot_number,
sizeof( slot->data.se.slot_number ) );
memcpy( &slot->attr.bits, &data->bits,
sizeof( slot->attr.bits ) );
} }
else else
#endif /* MBEDTLS_PSA_CRYPTO_SE_C */ #endif /* MBEDTLS_PSA_CRYPTO_SE_C */
{ {
status = psa_import_key_into_slot( p_slot, status = psa_import_key_into_slot( slot, key_data, key_data_length );
key_data, key_data_length );
} }
exit: exit:
@ -233,8 +232,8 @@ psa_status_t psa_open_key( psa_key_file_id_t id, psa_key_handle_t *handle )
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
return( status ); return( status );
slot->lifetime = PSA_KEY_LIFETIME_PERSISTENT; slot->attr.lifetime = PSA_KEY_LIFETIME_PERSISTENT;
slot->persistent_storage_id = id; slot->attr.id = id;
status = psa_load_persistent_key_into_slot( slot ); status = psa_load_persistent_key_into_slot( slot );
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
@ -269,28 +268,25 @@ void mbedtls_psa_get_stats( mbedtls_psa_stats_t *stats )
memset( stats, 0, sizeof( *stats ) ); memset( stats, 0, sizeof( *stats ) );
for( key = 1; key <= PSA_KEY_SLOT_COUNT; key++ ) for( key = 1; key <= PSA_KEY_SLOT_COUNT; key++ )
{ {
psa_key_slot_t *slot = &global_data.key_slots[key - 1]; const psa_key_slot_t *slot = &global_data.key_slots[key - 1];
if( slot->type == PSA_KEY_TYPE_NONE ) if( ! psa_is_key_slot_occupied( slot ) )
{ {
if( slot->allocated )
++stats->half_filled_slots;
else
++stats->empty_slots; ++stats->empty_slots;
continue; continue;
} }
if( slot->lifetime == PSA_KEY_LIFETIME_VOLATILE ) if( slot->attr.lifetime == PSA_KEY_LIFETIME_VOLATILE )
++stats->volatile_slots; ++stats->volatile_slots;
else if( slot->lifetime == PSA_KEY_LIFETIME_PERSISTENT ) else if( slot->attr.lifetime == PSA_KEY_LIFETIME_PERSISTENT )
{ {
++stats->persistent_slots; ++stats->persistent_slots;
if( slot->persistent_storage_id > stats->max_open_internal_key_id ) if( slot->attr.id > stats->max_open_internal_key_id )
stats->max_open_internal_key_id = slot->persistent_storage_id; stats->max_open_internal_key_id = slot->attr.id;
} }
else else
{ {
++stats->external_slots; ++stats->external_slots;
if( slot->persistent_storage_id > stats->max_open_external_key_id ) if( slot->attr.id > stats->max_open_external_key_id )
stats->max_open_external_key_id = slot->persistent_storage_id; stats->max_open_external_key_id = slot->attr.id;
} }
} }
} }

10
library/psa_crypto_slot_management.h
View File

@ -58,13 +58,13 @@ psa_status_t psa_initialize_key_slots( void );
* This does not affect persistent storage. */ * This does not affect persistent storage. */
void psa_wipe_all_key_slots( void ); void psa_wipe_all_key_slots( void );
/** Find a free key slot and mark it as in use. /** Find a free key slot.
*
* This function returns a key slot that is available for use and is in its
* ground state (all-bits-zero).
* *
* \param[out] handle On success, a slot number that can be used as a * \param[out] handle On success, a slot number that can be used as a
* handle to the slot. The selected slot was not * handle to the slot.
* in use before. This function marks it as in use
* and otherwise leaves it in a freshly-initialized
* state.
* \param[out] p_slot On success, a pointer to the slot. * \param[out] p_slot On success, a pointer to the slot.
* *
* \retval #PSA_SUCCESS * \retval #PSA_SUCCESS

37
library/psa_crypto_storage.c
View File

@ -264,7 +264,7 @@ typedef struct {
void psa_format_key_data_for_storage( const uint8_t *data, void psa_format_key_data_for_storage( const uint8_t *data,
const size_t data_length, const size_t data_length,
const psa_key_attributes_t *attributes, const psa_core_key_attributes_t *attr,
uint8_t *storage_data ) uint8_t *storage_data )
{ {
psa_persistent_key_storage_format *storage_format = psa_persistent_key_storage_format *storage_format =
@ -272,11 +272,11 @@ void psa_format_key_data_for_storage( const uint8_t *data,
memcpy( storage_format->magic, PSA_KEY_STORAGE_MAGIC_HEADER, PSA_KEY_STORAGE_MAGIC_HEADER_LENGTH ); memcpy( storage_format->magic, PSA_KEY_STORAGE_MAGIC_HEADER, PSA_KEY_STORAGE_MAGIC_HEADER_LENGTH );
PUT_UINT32_LE( 0, storage_format->version, 0 ); PUT_UINT32_LE( 0, storage_format->version, 0 );
PUT_UINT32_LE( psa_get_key_lifetime( attributes ), storage_format->lifetime, 0 ); PUT_UINT32_LE( attr->lifetime, storage_format->lifetime, 0 );
PUT_UINT32_LE( psa_get_key_type( attributes ), storage_format->type, 0 ); PUT_UINT32_LE( attr->type, storage_format->type, 0 );
PUT_UINT32_LE( psa_get_key_usage_flags( attributes ), storage_format->policy, 0 ); PUT_UINT32_LE( attr->policy.usage, storage_format->policy, 0 );
PUT_UINT32_LE( psa_get_key_algorithm( attributes ), storage_format->policy, sizeof( uint32_t ) ); PUT_UINT32_LE( attr->policy.alg, storage_format->policy, sizeof( uint32_t ) );
PUT_UINT32_LE( psa_get_key_enrollment_algorithm( attributes ), storage_format->policy, 2 * sizeof( uint32_t ) ); PUT_UINT32_LE( attr->policy.alg2, storage_format->policy, 2 * sizeof( uint32_t ) );
PUT_UINT32_LE( data_length, storage_format->data_len, 0 ); PUT_UINT32_LE( data_length, storage_format->data_len, 0 );
memcpy( storage_format->key_data, data, data_length ); memcpy( storage_format->key_data, data, data_length );
} }
@ -293,7 +293,7 @@ psa_status_t psa_parse_key_data_from_storage( const uint8_t *storage_data,
size_t storage_data_length, size_t storage_data_length,
uint8_t **key_data, uint8_t **key_data,
size_t *key_data_length, size_t *key_data_length,
psa_key_attributes_t *attributes ) psa_core_key_attributes_t *attr )
{ {
psa_status_t status; psa_status_t status;
const psa_persistent_key_storage_format *storage_format = const psa_persistent_key_storage_format *storage_format =
@ -328,16 +328,16 @@ psa_status_t psa_parse_key_data_from_storage( const uint8_t *storage_data,
memcpy( *key_data, storage_format->key_data, *key_data_length ); memcpy( *key_data, storage_format->key_data, *key_data_length );
} }
GET_UINT32_LE( attributes->lifetime, storage_format->lifetime, 0 ); GET_UINT32_LE( attr->lifetime, storage_format->lifetime, 0 );
GET_UINT32_LE( attributes->type, storage_format->type, 0 ); GET_UINT32_LE( attr->type, storage_format->type, 0 );
GET_UINT32_LE( attributes->policy.usage, storage_format->policy, 0 ); GET_UINT32_LE( attr->policy.usage, storage_format->policy, 0 );
GET_UINT32_LE( attributes->policy.alg, storage_format->policy, sizeof( uint32_t ) ); GET_UINT32_LE( attr->policy.alg, storage_format->policy, sizeof( uint32_t ) );
GET_UINT32_LE( attributes->policy.alg2, storage_format->policy, 2 * sizeof( uint32_t ) ); GET_UINT32_LE( attr->policy.alg2, storage_format->policy, 2 * sizeof( uint32_t ) );
return( PSA_SUCCESS ); return( PSA_SUCCESS );
} }
psa_status_t psa_save_persistent_key( const psa_key_attributes_t *attributes, psa_status_t psa_save_persistent_key( const psa_core_key_attributes_t *attr,
const uint8_t *data, const uint8_t *data,
const size_t data_length ) const size_t data_length )
{ {
@ -353,10 +353,9 @@ psa_status_t psa_save_persistent_key( const psa_key_attributes_t *attributes,
if( storage_data == NULL ) if( storage_data == NULL )
return( PSA_ERROR_INSUFFICIENT_MEMORY ); return( PSA_ERROR_INSUFFICIENT_MEMORY );
psa_format_key_data_for_storage( data, data_length, attributes, psa_format_key_data_for_storage( data, data_length, attr, storage_data );
storage_data );
status = psa_crypto_storage_store( psa_get_key_id( attributes ), status = psa_crypto_storage_store( attr->id,
storage_data, storage_data_length ); storage_data, storage_data_length );
mbedtls_free( storage_data ); mbedtls_free( storage_data );
@ -373,14 +372,14 @@ void psa_free_persistent_key_data( uint8_t *key_data, size_t key_data_length )
mbedtls_free( key_data ); mbedtls_free( key_data );
} }
psa_status_t psa_load_persistent_key( psa_key_attributes_t *attributes, psa_status_t psa_load_persistent_key( psa_core_key_attributes_t *attr,
uint8_t **data, uint8_t **data,
size_t *data_length ) size_t *data_length )
{ {
psa_status_t status = PSA_SUCCESS; psa_status_t status = PSA_SUCCESS;
uint8_t *loaded_data; uint8_t *loaded_data;
size_t storage_data_length = 0; size_t storage_data_length = 0;
psa_key_id_t key = psa_get_key_id( attributes ); psa_key_id_t key = attr->id;
status = psa_crypto_storage_get_data_length( key, &storage_data_length ); status = psa_crypto_storage_get_data_length( key, &storage_data_length );
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
@ -396,7 +395,7 @@ psa_status_t psa_load_persistent_key( psa_key_attributes_t *attributes,
goto exit; goto exit;
status = psa_parse_key_data_from_storage( loaded_data, storage_data_length, status = psa_parse_key_data_from_storage( loaded_data, storage_data_length,
data, data_length, attributes ); data, data_length, attr );
exit: exit:
mbedtls_free( loaded_data ); mbedtls_free( loaded_data );

28
library/psa_crypto_storage.h
View File

@ -35,9 +35,14 @@ extern "C" {
#include <stdint.h> #include <stdint.h>
#include <string.h> #include <string.h>
/* Limit the maximum key size to 30kB (just in case someone tries to /* Limit the maximum key size in storage. This should have no effect
* inadvertently store an obscene amount of data) */ * since the key size is limited in memory. */
#define PSA_CRYPTO_MAX_STORAGE_SIZE ( 30 * 1024 ) #define PSA_CRYPTO_MAX_STORAGE_SIZE ( PSA_BITS_TO_BYTES( PSA_MAX_KEY_BITS ) )
/* Sanity check: a file size must fit in 32 bits. Allow a generous
* 64kB of metadata. */
#if PSA_CRYPTO_MAX_STORAGE_SIZE > 0xffff0000
#error PSA_CRYPTO_MAX_STORAGE_SIZE > 0xffff0000
#endif
/** The maximum permitted persistent slot number. /** The maximum permitted persistent slot number.
* *
@ -83,7 +88,7 @@ int psa_is_key_present_in_storage( const psa_key_file_id_t key );
* already occupied non-persistent key, as well as validating the key data. * already occupied non-persistent key, as well as validating the key data.
* *
* *
* \param[in] attributes The attributes of the key to save. * \param[in] attr The attributes of the key to save.
* The key identifier field in the attributes * The key identifier field in the attributes
* determines the key's location. * determines the key's location.
* \param[in] data Buffer containing the key data. * \param[in] data Buffer containing the key data.
@ -95,7 +100,7 @@ int psa_is_key_present_in_storage( const psa_key_file_id_t key );
* \retval PSA_ERROR_STORAGE_FAILURE * \retval PSA_ERROR_STORAGE_FAILURE
* \retval PSA_ERROR_ALREADY_EXISTS * \retval PSA_ERROR_ALREADY_EXISTS
*/ */
psa_status_t psa_save_persistent_key( const psa_key_attributes_t *attributes, psa_status_t psa_save_persistent_key( const psa_core_key_attributes_t *attr,
const uint8_t *data, const uint8_t *data,
const size_t data_length ); const size_t data_length );
@ -111,8 +116,7 @@ psa_status_t psa_save_persistent_key( const psa_key_attributes_t *attributes,
* this function to zeroize and free this buffer, regardless of whether this * this function to zeroize and free this buffer, regardless of whether this
* function succeeds or fails. * function succeeds or fails.
* *
* \param[in,out] attributes * \param[in,out] attr On input, the key identifier field identifies
* On input, the key identifier field identifies
* the key to load. Other fields are ignored. * the key to load. Other fields are ignored.
* On success, the attribute structure contains * On success, the attribute structure contains
* the key metadata that was loaded from storage. * the key metadata that was loaded from storage.
@ -124,7 +128,7 @@ psa_status_t psa_save_persistent_key( const psa_key_attributes_t *attributes,
* \retval PSA_ERROR_STORAGE_FAILURE * \retval PSA_ERROR_STORAGE_FAILURE
* \retval PSA_ERROR_DOES_NOT_EXIST * \retval PSA_ERROR_DOES_NOT_EXIST
*/ */
psa_status_t psa_load_persistent_key( psa_key_attributes_t *attributes, psa_status_t psa_load_persistent_key( psa_core_key_attributes_t *attr,
uint8_t **data, uint8_t **data,
size_t *data_length ); size_t *data_length );
@ -158,13 +162,13 @@ void psa_free_persistent_key_data( uint8_t *key_data, size_t key_data_length );
* *
* \param[in] data Buffer containing the key data. * \param[in] data Buffer containing the key data.
* \param data_length Length of the key data buffer. * \param data_length Length of the key data buffer.
* \param[in] attributes The attributes of the key. * \param[in] attr The core attributes of the key.
* \param[out] storage_data Output buffer for the formatted data. * \param[out] storage_data Output buffer for the formatted data.
* *
*/ */
void psa_format_key_data_for_storage( const uint8_t *data, void psa_format_key_data_for_storage( const uint8_t *data,
const size_t data_length, const size_t data_length,
const psa_key_attributes_t *attributes, const psa_core_key_attributes_t *attr,
uint8_t *storage_data ); uint8_t *storage_data );
/** /**
@ -176,7 +180,7 @@ void psa_format_key_data_for_storage( const uint8_t *data,
* containing the key data. This must be freed * containing the key data. This must be freed
* using psa_free_persistent_key_data() * using psa_free_persistent_key_data()
* \param[out] key_data_length Length of the key data buffer * \param[out] key_data_length Length of the key data buffer
* \param[out] attributes On success, the attribute structure is filled * \param[out] attr On success, the attribute structure is filled
* with the loaded key metadata. * with the loaded key metadata.
* *
* \retval PSA_SUCCESS * \retval PSA_SUCCESS
@ -188,7 +192,7 @@ psa_status_t psa_parse_key_data_from_storage( const uint8_t *storage_data,
size_t storage_data_length, size_t storage_data_length,
uint8_t **key_data, uint8_t **key_data,
size_t *key_data_length, size_t *key_data_length,
psa_key_attributes_t *attributes ); psa_core_key_attributes_t *attr );
#if defined(MBEDTLS_PSA_CRYPTO_SE_C) #if defined(MBEDTLS_PSA_CRYPTO_SE_C)
/** This symbol is defined if transaction support is required. */ /** This symbol is defined if transaction support is required. */

107
tests/suites/test_suite_psa_crypto.data
View File

@ -52,9 +52,18 @@ invalid_handle:1
PSA invalid handle (largest plausible handle) PSA invalid handle (largest plausible handle)
invalid_handle:-1 invalid_handle:-1
PSA import: bad usage flag
import_with_policy:PSA_KEY_TYPE_RAW_DATA:0x40000000:0:PSA_ERROR_INVALID_ARGUMENT
PSA import: invalid type (0)
import_with_policy:PSA_KEY_TYPE_NONE:0:0:PSA_ERROR_NOT_SUPPORTED
PSA import: invalid type (PSA_KEY_TYPE_CATEGORY_MASK)
import_with_policy:PSA_KEY_TYPE_CATEGORY_MASK:0:0:PSA_ERROR_NOT_SUPPORTED
PSA import AES: bad key size PSA import AES: bad key size
depends_on:MBEDTLS_AES_C depends_on:MBEDTLS_AES_C
import:"0123456789abcdef":PSA_KEY_TYPE_AES:0:PSA_ERROR_INVALID_ARGUMENT import_with_data:"0123456789abcdef":PSA_KEY_TYPE_AES:0:PSA_ERROR_INVALID_ARGUMENT
PSA import/export RSA public key: good, 1024-bit PSA import/export RSA public key: good, 1024-bit
depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_PK_WRITE_C:MBEDTLS_RSA_C depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_PK_WRITE_C:MBEDTLS_RSA_C
@ -110,19 +119,19 @@ import_export:"3082025e02010002818100af057d396ee84fb75fdbb5c2b13c7fe5a654aa8aa24
PSA import RSA keypair: truncated PSA import RSA keypair: truncated
depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_RSA_C depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_RSA_C
import:"3082025e02010002818100af057d396ee84fb75fdbb5c2b13c7fe5a654aa8aa2470b541ee1feb0b12d25c79711531249e1129628042dbbb6c120d1443524ef4c0e6e1d8956eeb2077af12349ddeee54483bc06c2c61948cd02b202e796aebd94d3a7cbf859c2c1819c324cb82b9cd34ede263a2abffe4733f077869e8660f7d6834da53d690ef7985f6bc3020301000102818100874bf0ffc2f2a71d14671ddd0171c954d7fdbf50281e4f6d99ea0e1ebcf82faa58e7b595ffb293d1abe17f110b37c48cc0f36c37e84d876621d327f64bbe08457d3ec4098ba2fa0a319fba411c2841ed7be83196a8cdf9daa5d00694bc335fc4c32217fe0488bce9cb7202e59468b1ead119000477db2ca797fac19eda3f58c1024100e2ab760841bb9d30a81d222de1eb7381d82214407f1b975cbbfe4e1a9467fd98adbd78f607836ca5be1928b9d160d97fd45c12d6b52e2c9871a174c66b488113024100c5ab27602159ae7d6f20c3c2ee851e46dc112e689e28d5fcbbf990a99ef8a90b8bb44fd36467e7fc1789ceb663abda338652c3c73f111774902e840565927091024100b6cdbd354f7df579a63b48b3643e353b84898777b48b15f94e0bfc0567a6ae5911d57ad6409cf7647bf96264e9bd87eb95e263b7110b9a1f9f94acced0fafa4d024071195eec37e8d257decfc672b07ae639f10cbb9b0c739d0c809968d644a94e3fd6ed9287077a14583f379058f76a8aecd43c62dc8c0f41766650d725275ac4a1024100bb32d133edc2e048d463388b7be9cb4be29f4b6250be603e70e3647501c97ddde20a4e71be95fd5e71784e25aca4baf25be5738aae59bbfe1c997781447a2b":PSA_KEY_TYPE_RSA_KEY_PAIR:0:PSA_ERROR_INVALID_ARGUMENT import_with_data:"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":PSA_KEY_TYPE_RSA_KEY_PAIR:0:PSA_ERROR_INVALID_ARGUMENT
PSA import RSA keypair: public key PSA import RSA keypair: public key
depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_RSA_C depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_RSA_C
import:"30818902818100af057d396ee84fb75fdbb5c2b13c7fe5a654aa8aa2470b541ee1feb0b12d25c79711531249e1129628042dbbb6c120d1443524ef4c0e6e1d8956eeb2077af12349ddeee54483bc06c2c61948cd02b202e796aebd94d3a7cbf859c2c1819c324cb82b9cd34ede263a2abffe4733f077869e8660f7d6834da53d690ef7985f6bc30203010001":PSA_KEY_TYPE_RSA_KEY_PAIR:0:PSA_ERROR_INVALID_ARGUMENT import_with_data:"30818902818100af057d396ee84fb75fdbb5c2b13c7fe5a654aa8aa2470b541ee1feb0b12d25c79711531249e1129628042dbbb6c120d1443524ef4c0e6e1d8956eeb2077af12349ddeee54483bc06c2c61948cd02b202e796aebd94d3a7cbf859c2c1819c324cb82b9cd34ede263a2abffe4733f077869e8660f7d6834da53d690ef7985f6bc30203010001":PSA_KEY_TYPE_RSA_KEY_PAIR:0:PSA_ERROR_INVALID_ARGUMENT
PSA import RSA public key: key pair PSA import RSA public key: key pair
depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_RSA_C depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_RSA_C
import:"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":PSA_KEY_TYPE_RSA_PUBLIC_KEY:0:PSA_ERROR_INVALID_ARGUMENT import_with_data:"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":PSA_KEY_TYPE_RSA_PUBLIC_KEY:0:PSA_ERROR_INVALID_ARGUMENT
PSA import RSA keypair: valid key but EC PSA import RSA keypair: valid key but EC
depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_RSA_C depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_RSA_C
import:"3077020101042049c9a8c18c4b885638c431cf1df1c994131609b580d4fd43a0cab17db2f13eeea00a06082a8648ce3d030107a144034200047772656f814b399279d5e1f1781fac6f099a3c5ca1b0e35351834b08b65e0b572590cdaf8f769361bcf34acfc11e5e074e8426bdde04be6e653945449617de45":PSA_KEY_TYPE_RSA_KEY_PAIR:0:PSA_ERROR_INVALID_ARGUMENT import_with_data:"3077020101042049c9a8c18c4b885638c431cf1df1c994131609b580d4fd43a0cab17db2f13eeea00a06082a8648ce3d030107a144034200047772656f814b399279d5e1f1781fac6f099a3c5ca1b0e35351834b08b65e0b572590cdaf8f769361bcf34acfc11e5e074e8426bdde04be6e653945449617de45":PSA_KEY_TYPE_RSA_KEY_PAIR:0:PSA_ERROR_INVALID_ARGUMENT
PSA import/export-public RSA public key: good, 1024-bit PSA import/export-public RSA public key: good, 1024-bit
depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_PK_WRITE_C:MBEDTLS_RSA_C depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_PK_WRITE_C:MBEDTLS_RSA_C
@ -150,19 +159,19 @@ import_export:"3082025802010002818000cde684f1aee96917b89c8a0a72523cfce4686ed5a5f
PSA import RSA public key: 1022-bit (not supported) PSA import RSA public key: 1022-bit (not supported)
depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_PK_WRITE_C:MBEDTLS_RSA_C depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_PK_WRITE_C:MBEDTLS_RSA_C
import:"30818802818036e4b95f847dcd7a91b0972b7ba096e040ec04e42d59f733029fb2600b8ae9e4fd8ea76f3d7ec576288102285b612db7abc53770006046fef321172a6ad84053710d48528a8d51b6481db53c09e1524d6704b58bd30313016535eefe9bcff89eb599608daaa0a72ab7720af31486b51020421fdd3c6974cc445a78dd134450230203010001":PSA_KEY_TYPE_RSA_PUBLIC_KEY:0:PSA_ERROR_NOT_SUPPORTED import_with_data:"30818802818036e4b95f847dcd7a91b0972b7ba096e040ec04e42d59f733029fb2600b8ae9e4fd8ea76f3d7ec576288102285b612db7abc53770006046fef321172a6ad84053710d48528a8d51b6481db53c09e1524d6704b58bd30313016535eefe9bcff89eb599608daaa0a72ab7720af31486b51020421fdd3c6974cc445a78dd134450230203010001":PSA_KEY_TYPE_RSA_PUBLIC_KEY:0:PSA_ERROR_NOT_SUPPORTED
PSA import RSA keypair: 1022-bit (not supported) PSA import RSA keypair: 1022-bit (not supported)
depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_PK_WRITE_C:MBEDTLS_RSA_C depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_PK_WRITE_C:MBEDTLS_RSA_C
import:"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":PSA_KEY_TYPE_RSA_KEY_PAIR:0:PSA_ERROR_NOT_SUPPORTED import_with_data:"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":PSA_KEY_TYPE_RSA_KEY_PAIR:0:PSA_ERROR_NOT_SUPPORTED
PSA import RSA public key: 1023-bit (not supported) PSA import RSA public key: 1023-bit (not supported)
depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_PK_WRITE_C:MBEDTLS_RSA_C depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_PK_WRITE_C:MBEDTLS_RSA_C
import:"3081880281806c49704e91f3df44fc99e9b3c0fee5025cc04d09529a1dd05754f2da2751d7a9aa5a79f7070132f2c47b31963e37cd74675f9c93ee7c85a143fefe303e94d1ee0e4d30898d17ab3a229e8457ef21fd179039f748305babe7f134f6d58ce5d721a1a5da98f63503d2466c6a515e53494a41180a91e535bd5b55d4dce2c17419870203010001":PSA_KEY_TYPE_RSA_PUBLIC_KEY:0:PSA_ERROR_NOT_SUPPORTED import_with_data:"3081880281806c49704e91f3df44fc99e9b3c0fee5025cc04d09529a1dd05754f2da2751d7a9aa5a79f7070132f2c47b31963e37cd74675f9c93ee7c85a143fefe303e94d1ee0e4d30898d17ab3a229e8457ef21fd179039f748305babe7f134f6d58ce5d721a1a5da98f63503d2466c6a515e53494a41180a91e535bd5b55d4dce2c17419870203010001":PSA_KEY_TYPE_RSA_PUBLIC_KEY:0:PSA_ERROR_NOT_SUPPORTED
PSA import RSA keypair: 1023-bit (not supported) PSA import RSA keypair: 1023-bit (not supported)
depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_PK_WRITE_C:MBEDTLS_RSA_C depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_PK_WRITE_C:MBEDTLS_RSA_C
import:"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":PSA_KEY_TYPE_RSA_KEY_PAIR:0:PSA_ERROR_NOT_SUPPORTED import_with_data:"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":PSA_KEY_TYPE_RSA_KEY_PAIR:0:PSA_ERROR_NOT_SUPPORTED
PSA import/export EC secp224r1 key pair: good PSA import/export EC secp224r1 key pair: good
depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_PK_WRITE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP224R1_ENABLED depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_PK_WRITE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP224R1_ENABLED
@ -256,31 +265,31 @@ import_export:"3082025e02010002818100af057d396ee84fb75fdbb5c2b13c7fe5a654aa8aa24
PSA import EC keypair: DER format PSA import EC keypair: DER format
depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED
import:"3077020101042049c9a8c18c4b885638c431cf1df1c994131609b580d4fd43a0cab17db2f13eeea00a06082a8648ce3d030107a144034200047772656f814b399279d5e1f1781fac6f099a3c5ca1b0e35351834b08b65e0b572590cdaf8f769361bcf34acfc11e5e074e8426bdde04be6e653945449617de45":PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_CURVE_SECP256R1):0:PSA_ERROR_INVALID_ARGUMENT import_with_data:"3077020101042049c9a8c18c4b885638c431cf1df1c994131609b580d4fd43a0cab17db2f13eeea00a06082a8648ce3d030107a144034200047772656f814b399279d5e1f1781fac6f099a3c5ca1b0e35351834b08b65e0b572590cdaf8f769361bcf34acfc11e5e074e8426bdde04be6e653945449617de45":PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_CURVE_SECP256R1):0:PSA_ERROR_INVALID_ARGUMENT
PSA import EC keypair: too short PSA import EC keypair: too short
depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED
import:"0123456789abcdef0123456789abcdef":PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_CURVE_SECP256R1):0:PSA_ERROR_INVALID_ARGUMENT import_with_data:"0123456789abcdef0123456789abcdef":PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_CURVE_SECP256R1):0:PSA_ERROR_INVALID_ARGUMENT
PSA import EC keypair: public key PSA import EC keypair: public key
depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED
import:"04dea5e45d0ea37fc566232a508f4ad20ea13d47e4bf5fa4d54a57a0ba012042087097496efc583fed8b24a5b9be9a51de063f5a00a8b698a16fd7f29b5485f320":PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_CURVE_SECP256R1):0:PSA_ERROR_INVALID_ARGUMENT import_with_data:"04dea5e45d0ea37fc566232a508f4ad20ea13d47e4bf5fa4d54a57a0ba012042087097496efc583fed8b24a5b9be9a51de063f5a00a8b698a16fd7f29b5485f320":PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_CURVE_SECP256R1):0:PSA_ERROR_INVALID_ARGUMENT
PSA import EC keypair: secp256r1, all-bits-zero (bad) PSA import EC keypair: secp256r1, all-bits-zero (bad)
depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED
import:"0000000000000000000000000000000000000000000000000000000000000000":PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_CURVE_SECP256R1):0:PSA_ERROR_INVALID_ARGUMENT import_with_data:"0000000000000000000000000000000000000000000000000000000000000000":PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_CURVE_SECP256R1):0:PSA_ERROR_INVALID_ARGUMENT
PSA import EC keypair: secp256r1, d == n - 1 (good) PSA import EC keypair: secp256r1, d == n - 1 (good)
depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED
import:"ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632550":PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_CURVE_SECP256R1):0:PSA_SUCCESS import_with_data:"ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632550":PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_CURVE_SECP256R1):0:PSA_SUCCESS
PSA import EC keypair: secp256r1, d == n (bad) PSA import EC keypair: secp256r1, d == n (bad)
depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED
import:"ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551":PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_CURVE_SECP256R1):0:PSA_ERROR_INVALID_ARGUMENT import_with_data:"ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632551":PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_CURVE_SECP256R1):0:PSA_ERROR_INVALID_ARGUMENT
PSA import EC keypair: secp256r1, d > n (bad) PSA import EC keypair: secp256r1, d > n (bad)
depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED
import:"ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632552":PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_CURVE_SECP256R1):0:PSA_ERROR_INVALID_ARGUMENT import_with_data:"ffffffff00000000ffffffffffffffffbce6faada7179e84f3b9cac2fc632552":PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_CURVE_SECP256R1):0:PSA_ERROR_INVALID_ARGUMENT
PSA import EC public key: key pair PSA import EC public key: key pair
depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED
@ -288,31 +297,39 @@ depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED
# one would expect the status to be PSA_ERROR_INVALID_ARGUMENT. But the # one would expect the status to be PSA_ERROR_INVALID_ARGUMENT. But the
# Mbed TLS pkparse module returns MBEDTLS_ERR_PK_INVALID_ALG, I think because # Mbed TLS pkparse module returns MBEDTLS_ERR_PK_INVALID_ALG, I think because
# it's looking for an OID where there is no OID. # it's looking for an OID where there is no OID.
import:"3078020101042100ab45435712649cb30bbddac49197eebf2740ffc7f874d9244c3460f54f322d3aa00a06082a8648ce3d030107a14403420004dea5e45d0ea37fc566232a508f4ad20ea13d47e4bf5fa4d54a57a0ba012042087097496efc583fed8b24a5b9be9a51de063f5a00a8b698a16fd7f29b5485f320":PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_CURVE_SECP256R1):0:PSA_ERROR_NOT_SUPPORTED import_with_data:"3078020101042100ab45435712649cb30bbddac49197eebf2740ffc7f874d9244c3460f54f322d3aa00a06082a8648ce3d030107a14403420004dea5e45d0ea37fc566232a508f4ad20ea13d47e4bf5fa4d54a57a0ba012042087097496efc583fed8b24a5b9be9a51de063f5a00a8b698a16fd7f29b5485f320":PSA_KEY_TYPE_ECC_PUBLIC_KEY(PSA_ECC_CURVE_SECP256R1):0:PSA_ERROR_NOT_SUPPORTED
PSA import EC keypair: valid key but RSA PSA import EC keypair: valid key but RSA
depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_BP512R1_ENABLED:MBEDTLS_RSA_C depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_BP512R1_ENABLED:MBEDTLS_RSA_C
import:"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":PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_CURVE_BRAINPOOL_P512R1):0:PSA_ERROR_INVALID_ARGUMENT import_with_data:"3082013b020100024100ee2b131d6b1818a94ca8e91c42387eb15a7c271f57b89e7336b144d4535b16c83097ecdefbbb92d1b5313b5a37214d0e8f25922dca778b424b25295fc8a1a7070203010001024100978ac8eadb0dc6035347d6aba8671215ff21283385396f7897c04baf5e2a835f3b53ef80a82ed36ae687a925380b55a0c73eb85656e989dcf0ed7fb4887024e1022100fdad8e1c6853563f8b921d2d112462ae7d6b176082d2ba43e87e1a37fc1a8b33022100f0592cf4c55ba44307b18981bcdbda376c51e590ffa5345ba866f6962dca94dd02201995f1a967d44ff4a4cd1de837bc65bf97a2bf7eda730a9a62cea53254591105022027f96cf4b8ee68ff8d04062ec1ce7f18c0b74e4b3379b29f9bfea3fc8e592731022100cefa6d220496b43feb83194255d8fb930afcf46f36606e3aa0eb7a93ad88c10c":PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_CURVE_BRAINPOOL_P512R1):0:PSA_ERROR_INVALID_ARGUMENT
PSA import AES: bits=0 ok PSA import AES: bits=0 ok
depends_on:MBEDTLS_AES_C depends_on:MBEDTLS_AES_C
import:"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa":PSA_KEY_TYPE_AES:0:PSA_SUCCESS import_with_data:"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa":PSA_KEY_TYPE_AES:0:PSA_SUCCESS
PSA import AES: bits=128 ok PSA import AES: bits=128 ok
depends_on:MBEDTLS_AES_C depends_on:MBEDTLS_AES_C
import:"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa":PSA_KEY_TYPE_AES:128:PSA_SUCCESS import_with_data:"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa":PSA_KEY_TYPE_AES:128:PSA_SUCCESS
PSA import AES: bits=256 wrong PSA import AES: bits=256 wrong
depends_on:MBEDTLS_AES_C depends_on:MBEDTLS_AES_C
import:"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa":PSA_KEY_TYPE_AES:256:PSA_ERROR_INVALID_ARGUMENT import_with_data:"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa":PSA_KEY_TYPE_AES:256:PSA_ERROR_INVALID_ARGUMENT
PSA import AES: bits=256 ok PSA import AES: bits=256 ok
depends_on:MBEDTLS_AES_C depends_on:MBEDTLS_AES_C
import:"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa":PSA_KEY_TYPE_AES:256:PSA_SUCCESS import_with_data:"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa":PSA_KEY_TYPE_AES:256:PSA_SUCCESS
PSA import AES: bits=128 wrong PSA import AES: bits=128 wrong
depends_on:MBEDTLS_AES_C depends_on:MBEDTLS_AES_C
import:"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa":PSA_KEY_TYPE_AES:128:PSA_ERROR_INVALID_ARGUMENT import_with_data:"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa":PSA_KEY_TYPE_AES:128:PSA_ERROR_INVALID_ARGUMENT
PSA import large key: raw, 65528 bits (ok)
depends_on:HAVE_RAM_AVAILABLE_128K
import_large_key:PSA_KEY_TYPE_RAW_DATA:8191:PSA_SUCCESS
PSA import large key: raw, 65536 bits (not supported)
depends_on:HAVE_RAM_AVAILABLE_128K
import_large_key:PSA_KEY_TYPE_RAW_DATA:8192:PSA_ERROR_NOT_SUPPORTED
PSA import RSA key pair: maximum size exceeded PSA import RSA key pair: maximum size exceeded
depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_RSA_C depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_RSA_C
@ -2075,6 +2092,25 @@ PSA key derivation: TLS 1.2 PRF SHA-256, derive key export, 1+41
depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C:!PSA_PRE_1_0_KEY_DERIVATION depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C:!PSA_PRE_1_0_KEY_DERIVATION
derive_key_export:PSA_ALG_TLS12_PRF(PSA_ALG_SHA_256):"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":"000102030405060708090a0b0c":"f0f1f2f3f4f5f6f7f8f9":1:41 derive_key_export:PSA_ALG_TLS12_PRF(PSA_ALG_SHA_256):"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":"000102030405060708090a0b0c":"f0f1f2f3f4f5f6f7f8f9":1:41
PSA key derivation: invalid type (0)
depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C:!PSA_PRE_1_0_KEY_DERIVATION
derive_key:PSA_ALG_HKDF(PSA_ALG_SHA_256):"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":"000102030405060708090a0b0c":"f0f1f2f3f4f5f6f7f8f9":PSA_KEY_TYPE_NONE:128:PSA_ERROR_NOT_SUPPORTED
PSA key derivation: invalid type (PSA_KEY_TYPE_CATEGORY_MASK)
depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C:!PSA_PRE_1_0_KEY_DERIVATION
derive_key:PSA_ALG_HKDF(PSA_ALG_SHA_256):"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":"000102030405060708090a0b0c":"f0f1f2f3f4f5f6f7f8f9":PSA_KEY_TYPE_CATEGORY_MASK:128:PSA_ERROR_NOT_SUPPORTED
# This test assumes that PSA_MAX_KEY_BITS (currently 65536-8 bits = 8191 bytes
# and not expected to be raised any time soon) is less than the maximum
# output from HKDF-SHA512 (255*64 = 16320 bytes).
PSA key derivation: largest possible key
depends_on:MBEDTLS_MD_C:MBEDTLS_SHA512_C:!PSA_PRE_1_0_KEY_DERIVATION
derive_key:PSA_ALG_HKDF(PSA_ALG_SHA_512):"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":"000102030405060708090a0b0c":"f0f1f2f3f4f5f6f7f8f9":PSA_KEY_TYPE_RAW_DATA:PSA_MAX_KEY_BITS:PSA_SUCCESS
PSA key derivation: key too large
depends_on:MBEDTLS_MD_C:MBEDTLS_SHA512_C:!PSA_PRE_1_0_KEY_DERIVATION
derive_key:PSA_ALG_HKDF(PSA_ALG_SHA_512):"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":"000102030405060708090a0b0c":"f0f1f2f3f4f5f6f7f8f9":PSA_KEY_TYPE_RAW_DATA:PSA_MAX_KEY_BITS + 1:PSA_ERROR_NOT_SUPPORTED
PSA key agreement setup: ECDH + HKDF-SHA-256: good PSA key agreement setup: ECDH + HKDF-SHA-256: good
depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_ECDH_C:MBEDTLS_MD_C:MBEDTLS_SHA256_C depends_on:MBEDTLS_PK_PARSE_C:MBEDTLS_ECP_C:MBEDTLS_ECP_DP_SECP256R1_ENABLED:MBEDTLS_ECDH_C:MBEDTLS_MD_C:MBEDTLS_SHA256_C
key_agreement_setup:PSA_ALG_KEY_AGREEMENT(PSA_ALG_ECDH, PSA_ALG_HKDF(PSA_ALG_SHA_256)):PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_CURVE_SECP256R1):"c88f01f510d9ac3f70a292daa2316de544e9aab8afe84049c62a9c57862d1433":"04d12dfb5289c8d4f81208b70270398c342296970a0bccb74c736fc7554494bf6356fbf3ca366cc23e8157854c13c58d6aac23f046ada30f8353e74f33039872ab":PSA_SUCCESS key_agreement_setup:PSA_ALG_KEY_AGREEMENT(PSA_ALG_ECDH, PSA_ALG_HKDF(PSA_ALG_SHA_256)):PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_CURVE_SECP256R1):"c88f01f510d9ac3f70a292daa2316de544e9aab8afe84049c62a9c57862d1433":"04d12dfb5289c8d4f81208b70270398c342296970a0bccb74c736fc7554494bf6356fbf3ca366cc23e8157854c13c58d6aac23f046ada30f8353e74f33039872ab":PSA_SUCCESS
@ -2173,6 +2209,18 @@ generate_random:19
PSA generate random: 260 bytes PSA generate random: 260 bytes
generate_random:260 generate_random:260
PSA generate random: MBEDTLS_CTR_DRBG_MAX_REQUEST bytes
generate_random:MBEDTLS_CTR_DRBG_MAX_REQUEST
PSA generate random: MBEDTLS_CTR_DRBG_MAX_REQUEST+1 bytes
generate_random:MBEDTLS_CTR_DRBG_MAX_REQUEST + 1
PSA generate random: 2*MBEDTLS_CTR_DRBG_MAX_REQUEST+1 bytes
generate_random:2 * MBEDTLS_CTR_DRBG_MAX_REQUEST + 1
PSA generate key: bad type (0)
generate_key:PSA_KEY_TYPE_NONE:128:PSA_KEY_USAGE_EXPORT:0:PSA_ERROR_NOT_SUPPORTED
PSA generate key: bad type (PSA_KEY_TYPE_CATEGORY_MASK) PSA generate key: bad type (PSA_KEY_TYPE_CATEGORY_MASK)
generate_key:PSA_KEY_TYPE_CATEGORY_MASK:128:PSA_KEY_USAGE_EXPORT:0:PSA_ERROR_NOT_SUPPORTED generate_key:PSA_KEY_TYPE_CATEGORY_MASK:128:PSA_KEY_USAGE_EXPORT:0:PSA_ERROR_NOT_SUPPORTED
@ -2188,6 +2236,19 @@ generate_key:PSA_KEY_TYPE_RAW_DATA:7:PSA_KEY_USAGE_EXPORT:0:PSA_ERROR_INVALID_AR
PSA generate key: raw data, 8 bits PSA generate key: raw data, 8 bits
generate_key:PSA_KEY_TYPE_RAW_DATA:8:PSA_KEY_USAGE_EXPORT:0:PSA_SUCCESS generate_key:PSA_KEY_TYPE_RAW_DATA:8:PSA_KEY_USAGE_EXPORT:0:PSA_SUCCESS
PSA generate key: raw data, (MBEDTLS_CTR_DRBG_MAX_REQUEST + 1) * 8 bits
generate_key:PSA_KEY_TYPE_RAW_DATA:(MBEDTLS_CTR_DRBG_MAX_REQUEST + 1) * 8:PSA_KEY_USAGE_EXPORT:0:PSA_SUCCESS
PSA generate key: raw data, (2 * MBEDTLS_CTR_DRBG_MAX_REQUEST + 1) * 8 bits
generate_key:PSA_KEY_TYPE_RAW_DATA:(2 * MBEDTLS_CTR_DRBG_MAX_REQUEST + 1) * 8:PSA_KEY_USAGE_EXPORT:0:PSA_SUCCESS
PSA generate key: raw data, 65528 bits (ok)
depends_on:HAVE_RAM_AVAILABLE_128K
generate_key:PSA_KEY_TYPE_RAW_DATA:65528:PSA_KEY_USAGE_EXPORT:0:PSA_SUCCESS
PSA generate key: raw data, 65536 bits (not supported)
generate_key:PSA_KEY_TYPE_RAW_DATA:65536:PSA_KEY_USAGE_EXPORT:0:PSA_ERROR_NOT_SUPPORTED
PSA generate key: AES, 128 bits, CTR PSA generate key: AES, 128 bits, CTR
depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CTR depends_on:MBEDTLS_AES_C:MBEDTLS_CIPHER_MODE_CTR
generate_key:PSA_KEY_TYPE_AES:128:PSA_KEY_USAGE_EXPORT | PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT:PSA_ALG_CTR:PSA_SUCCESS generate_key:PSA_KEY_TYPE_AES:128:PSA_KEY_USAGE_EXPORT | PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT:PSA_ALG_CTR:PSA_SUCCESS

155
tests/suites/test_suite_psa_crypto.function
View File

@ -5,8 +5,21 @@
#include "mbedtls/asn1write.h" #include "mbedtls/asn1write.h"
#include "mbedtls/oid.h" #include "mbedtls/oid.h"
/* For MBEDTLS_CTR_DRBG_MAX_REQUEST, knowing that psa_generate_random()
* uses mbedtls_ctr_drbg internally. */
#include "mbedtls/ctr_drbg.h"
#include "psa_crypto_helpers.h" #include "psa_crypto_helpers.h"
/* Tests that require more than 128kB of RAM plus change have this symbol
* as a dependency. Currently we always define this symbol, so the tests
* are always executed. In the future we should make this conditional
* so that tests that require a lot of memory are skipped on constrained
* platforms. */
#define HAVE_RAM_AVAILABLE_128K
#include "psa/crypto.h"
/** An invalid export length that will never be set by psa_export_key(). */ /** An invalid export length that will never be set by psa_export_key(). */
static const size_t INVALID_EXPORT_LENGTH = ~0U; static const size_t INVALID_EXPORT_LENGTH = ~0U;
@ -556,6 +569,7 @@ static int setup_key_derivation_wrap( psa_key_derivation_operation_t* operation,
TEST_ASSERT( ! "Key derivation algorithm not supported" ); TEST_ASSERT( ! "Key derivation algorithm not supported" );
} }
if( capacity != SIZE_MAX )
PSA_ASSERT( psa_key_derivation_set_capacity( operation, capacity ) ); PSA_ASSERT( psa_key_derivation_set_capacity( operation, capacity ) );
return( 1 ); return( 1 );
@ -1201,7 +1215,50 @@ void persistence_attributes( int id1_arg, int lifetime_arg, int id2_arg,
/* END_CASE */ /* END_CASE */
/* BEGIN_CASE */ /* BEGIN_CASE */
void import( data_t *data, int type_arg, void import_with_policy( int type_arg,
int usage_arg, int alg_arg,
int expected_status_arg )
{
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
psa_key_attributes_t got_attributes = PSA_KEY_ATTRIBUTES_INIT;
psa_key_handle_t handle = 0;
psa_key_type_t type = type_arg;
psa_key_usage_t usage = usage_arg;
psa_algorithm_t alg = alg_arg;
psa_status_t expected_status = expected_status_arg;
const uint8_t key_material[16] = {0};
psa_status_t status;
PSA_ASSERT( psa_crypto_init( ) );
psa_set_key_type( &attributes, type );
psa_set_key_usage_flags( &attributes, usage );
psa_set_key_algorithm( &attributes, alg );
status = psa_import_key( &attributes,
key_material, sizeof( key_material ),
&handle );
TEST_EQUAL( status, expected_status );
if( status != PSA_SUCCESS )
goto exit;
PSA_ASSERT( psa_get_key_attributes( handle, &got_attributes ) );
TEST_EQUAL( psa_get_key_type( &got_attributes ), type );
TEST_EQUAL( psa_get_key_usage_flags( &got_attributes ), usage );
TEST_EQUAL( psa_get_key_algorithm( &got_attributes ), alg );
PSA_ASSERT( psa_destroy_key( handle ) );
test_operations_on_invalid_handle( handle );
exit:
psa_destroy_key( handle );
psa_reset_key_attributes( &got_attributes );
PSA_DONE( );
}
/* END_CASE */
/* BEGIN_CASE */
void import_with_data( data_t *data, int type_arg,
int attr_bits_arg, int attr_bits_arg,
int expected_status_arg ) int expected_status_arg )
{ {
@ -1217,6 +1274,7 @@ void import( data_t *data, int type_arg,
psa_set_key_type( &attributes, type ); psa_set_key_type( &attributes, type );
psa_set_key_bits( &attributes, attr_bits ); psa_set_key_bits( &attributes, attr_bits );
status = psa_import_key( &attributes, data->x, data->len, &handle ); status = psa_import_key( &attributes, data->x, data->len, &handle );
TEST_EQUAL( status, expected_status ); TEST_EQUAL( status, expected_status );
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
@ -1225,7 +1283,7 @@ void import( data_t *data, int type_arg,
PSA_ASSERT( psa_get_key_attributes( handle, &got_attributes ) ); PSA_ASSERT( psa_get_key_attributes( handle, &got_attributes ) );
TEST_EQUAL( psa_get_key_type( &got_attributes ), type ); TEST_EQUAL( psa_get_key_type( &got_attributes ), type );
if( attr_bits != 0 ) if( attr_bits != 0 )
TEST_EQUAL( attr_bits, got_attributes.bits ); TEST_EQUAL( attr_bits, psa_get_key_bits( &got_attributes ) );
PSA_ASSERT( psa_destroy_key( handle ) ); PSA_ASSERT( psa_destroy_key( handle ) );
test_operations_on_invalid_handle( handle ); test_operations_on_invalid_handle( handle );
@ -1237,6 +1295,54 @@ exit:
} }
/* END_CASE */ /* END_CASE */
/* BEGIN_CASE */
void import_large_key( int type_arg, int byte_size_arg,
int expected_status_arg )
{
psa_key_type_t type = type_arg;
size_t byte_size = byte_size_arg;
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
psa_status_t expected_status = expected_status_arg;
psa_key_handle_t handle = 0;
psa_status_t status;
uint8_t *buffer = NULL;
size_t buffer_size = byte_size + 1;
size_t n;
/* It would be better to skip the test than fail it if the allocation
* fails, but the test framework doesn't support this yet. */
ASSERT_ALLOC( buffer, buffer_size );
memset( buffer, 'K', byte_size );
PSA_ASSERT( psa_crypto_init( ) );
/* Try importing the key */
psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_EXPORT );
psa_set_key_type( &attributes, type );
status = psa_import_key( &attributes, buffer, byte_size, &handle );
TEST_EQUAL( status, expected_status );
if( status == PSA_SUCCESS )
{
PSA_ASSERT( psa_get_key_attributes( handle, &attributes ) );
TEST_EQUAL( psa_get_key_type( &attributes ), type );
TEST_EQUAL( psa_get_key_bits( &attributes ),
PSA_BYTES_TO_BITS( byte_size ) );
memset( buffer, 0, byte_size + 1 );
PSA_ASSERT( psa_export_key( handle, buffer, byte_size, &n ) );
for( n = 0; n < byte_size; n++ )
TEST_EQUAL( buffer[n], 'K' );
for( n = byte_size; n < buffer_size; n++ )
TEST_EQUAL( buffer[n], 0 );
}
exit:
psa_destroy_key( handle );
PSA_DONE( );
mbedtls_free( buffer );
}
/* END_CASE */
/* BEGIN_CASE */ /* BEGIN_CASE */
void import_rsa_made_up( int bits_arg, int keypair, int expected_status_arg ) void import_rsa_made_up( int bits_arg, int keypair, int expected_status_arg )
{ {
@ -4563,6 +4669,51 @@ exit:
} }
/* END_CASE */ /* END_CASE */
/* BEGIN_CASE */
void derive_key( int alg_arg,
data_t *key_data, data_t *input1, data_t *input2,
int type_arg, int bits_arg,
int expected_status_arg )
{
psa_key_handle_t base_handle = 0;
psa_key_handle_t derived_handle = 0;
psa_algorithm_t alg = alg_arg;
psa_key_type_t type = type_arg;
size_t bits = bits_arg;
psa_status_t expected_status = expected_status_arg;
psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
psa_key_attributes_t base_attributes = PSA_KEY_ATTRIBUTES_INIT;
psa_key_attributes_t derived_attributes = PSA_KEY_ATTRIBUTES_INIT;
PSA_ASSERT( psa_crypto_init( ) );
psa_set_key_usage_flags( &base_attributes, PSA_KEY_USAGE_DERIVE );
psa_set_key_algorithm( &base_attributes, alg );
psa_set_key_type( &base_attributes, PSA_KEY_TYPE_DERIVE );
PSA_ASSERT( psa_import_key( &base_attributes, key_data->x, key_data->len,
&base_handle ) );
if( !setup_key_derivation_wrap( &operation, base_handle, alg,
input1->x, input1->len,
input2->x, input2->len, SIZE_MAX ) )
goto exit;
psa_set_key_usage_flags( &derived_attributes, PSA_KEY_USAGE_EXPORT );
psa_set_key_algorithm( &derived_attributes, 0 );
psa_set_key_type( &derived_attributes, type );
psa_set_key_bits( &derived_attributes, bits );
TEST_EQUAL( psa_key_derivation_output_key( &derived_attributes, &operation,
&derived_handle ),
expected_status );
exit:
psa_key_derivation_abort( &operation );
psa_destroy_key( base_handle );
psa_destroy_key( derived_handle );
PSA_DONE( );
}
/* END_CASE */
/* BEGIN_CASE */ /* BEGIN_CASE */
void key_agreement_setup( int alg_arg, void key_agreement_setup( int alg_arg,
int our_key_type_arg, data_t *our_key_data, int our_key_type_arg, data_t *our_key_data,

4
tests/suites/test_suite_psa_crypto_persistent_key.data
View File

@ -19,10 +19,10 @@ parse_storage_data_check:"505341004b4559":"":PSA_KEY_LIFETIME_PERSISTENT:PSA_KEY
# Not specific to files, but only run this test in an environment where the maximum size could be reached. # Not specific to files, but only run this test in an environment where the maximum size could be reached.
Save maximum size persistent raw key Save maximum size persistent raw key
depends_on:MBEDTLS_PSA_ITS_FILE_C depends_on:MBEDTLS_PSA_ITS_FILE_C
save_large_persistent_key:0:PSA_SUCCESS save_large_persistent_key:PSA_CRYPTO_MAX_STORAGE_SIZE:PSA_SUCCESS
Save larger than maximum size persistent raw key, should fail Save larger than maximum size persistent raw key, should fail
save_large_persistent_key:1:PSA_ERROR_INSUFFICIENT_STORAGE save_large_persistent_key:PSA_CRYPTO_MAX_STORAGE_SIZE + 1:PSA_ERROR_NOT_SUPPORTED
Persistent key destroy Persistent key destroy
depends_on:MBEDTLS_PK_C:MBEDTLS_PK_PARSE_C:MBEDTLS_RSA_C depends_on:MBEDTLS_PK_C:MBEDTLS_PK_PARSE_C:MBEDTLS_RSA_C

11
tests/suites/test_suite_psa_crypto_persistent_key.function
View File

@ -45,7 +45,7 @@ void format_storage_data_check( data_t *key_data,
file_data_length = key_data->len + sizeof( psa_persistent_key_storage_format ); file_data_length = key_data->len + sizeof( psa_persistent_key_storage_format );
file_data = mbedtls_calloc( 1, file_data_length ); file_data = mbedtls_calloc( 1, file_data_length );
psa_format_key_data_for_storage( key_data->x, key_data->len, psa_format_key_data_for_storage( key_data->x, key_data->len,
&attributes, &attributes.core,
file_data ); file_data );
ASSERT_COMPARE( expected_file_data->x, expected_file_data->len, ASSERT_COMPARE( expected_file_data->x, expected_file_data->len,
@ -71,7 +71,7 @@ void parse_storage_data_check( data_t *file_data,
status = psa_parse_key_data_from_storage( file_data->x, file_data->len, status = psa_parse_key_data_from_storage( file_data->x, file_data->len,
&key_data, &key_data_length, &key_data, &key_data_length,
&attributes ); &attributes.core );
TEST_EQUAL( status, expected_status ); TEST_EQUAL( status, expected_status );
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
@ -96,17 +96,14 @@ exit:
/* END_CASE */ /* END_CASE */
/* BEGIN_CASE */ /* BEGIN_CASE */
void save_large_persistent_key( int data_too_large, int expected_status ) void save_large_persistent_key( int data_length_arg, int expected_status )
{ {
psa_key_id_t key_id = 42; psa_key_id_t key_id = 42;
psa_key_handle_t handle = 0; psa_key_handle_t handle = 0;
uint8_t *data = NULL; uint8_t *data = NULL;
size_t data_length = PSA_CRYPTO_MAX_STORAGE_SIZE; size_t data_length = data_length_arg;
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT; psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
if( data_too_large )
data_length += 1;
ASSERT_ALLOC( data, data_length ); ASSERT_ALLOC( data, data_length );
PSA_ASSERT( psa_crypto_init() ); PSA_ASSERT( psa_crypto_init() );