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mbedtls/tests/suites/test_suite_pk.function
Manuel Pégourié-Gonnard 348bcb3694 Make RSA_ALT support optionnal
2015-03-31 14:01:33 +02:00

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/* BEGIN_HEADER */
#include "mbedtls/pk.h"
/* For error codes */
#include "mbedtls/ecp.h"
#include "mbedtls/rsa.h"
static int rnd_std_rand( void *rng_state, unsigned char *output, size_t len );
#define RSA_KEY_SIZE 512
#define RSA_KEY_LEN 64
static int pk_genkey( pk_context *pk )
{
((void) pk);
#if defined(POLARSSL_RSA_C) && defined(POLARSSL_GENPRIME)
if( pk_get_type( pk ) == POLARSSL_PK_RSA )
return rsa_gen_key( pk_rsa( *pk ), rnd_std_rand, NULL, RSA_KEY_SIZE, 3 );
#endif
#if defined(POLARSSL_ECP_C)
if( pk_get_type( pk ) == POLARSSL_PK_ECKEY ||
pk_get_type( pk ) == POLARSSL_PK_ECKEY_DH ||
pk_get_type( pk ) == POLARSSL_PK_ECDSA )
{
int ret;
if( ( ret = ecp_use_known_dp( &pk_ec( *pk )->grp,
POLARSSL_ECP_DP_SECP192R1 ) ) != 0 )
return( ret );
return ecp_gen_keypair( &pk_ec( *pk )->grp, &pk_ec( *pk )->d,
&pk_ec( *pk )->Q, rnd_std_rand, NULL );
}
#endif
return( -1 );
}
#if defined(POLARSSL_RSA_C)
int rsa_decrypt_func( void *ctx, int mode, size_t *olen,
const unsigned char *input, unsigned char *output,
size_t output_max_len )
{
return( rsa_pkcs1_decrypt( (rsa_context *) ctx, NULL, NULL, mode, olen,
input, output, output_max_len ) );
}
int rsa_sign_func( void *ctx,
int (*f_rng)(void *, unsigned char *, size_t), void *p_rng,
int mode, md_type_t md_alg, unsigned int hashlen,
const unsigned char *hash, unsigned char *sig )
{
return( rsa_pkcs1_sign( (rsa_context *) ctx, f_rng, p_rng, mode,
md_alg, hashlen, hash, sig ) );
}
size_t rsa_key_len_func( void *ctx )
{
return( ((const rsa_context *) ctx)->len );
}
#endif /* POLARSSL_RSA_C */
/* END_HEADER */
/* BEGIN_DEPENDENCIES
* depends_on:POLARSSL_PK_C
* END_DEPENDENCIES
*/
/* BEGIN_CASE */
void pk_utils( int type, int size, int len, char *name )
{
pk_context pk;
pk_init( &pk );
TEST_ASSERT( pk_init_ctx( &pk, pk_info_from_type( type ) ) == 0 );
TEST_ASSERT( pk_genkey( &pk ) == 0 );
TEST_ASSERT( (int) pk_get_type( &pk ) == type );
TEST_ASSERT( pk_can_do( &pk, type ) );
TEST_ASSERT( pk_get_size( &pk ) == (unsigned) size );
TEST_ASSERT( pk_get_len( &pk ) == (unsigned) len );
TEST_ASSERT( strcmp( pk_get_name( &pk), name ) == 0 );
exit:
pk_free( &pk );
}
/* END_CASE */
/* BEGIN_CASE depends_on:POLARSSL_PK_PARSE_C:POLARSSL_FS_IO */
void pk_check_pair( char *pub_file, char *prv_file, int ret )
{
pk_context pub, prv, alt;
pk_init( &pub );
pk_init( &prv );
pk_init( &alt );
TEST_ASSERT( pk_parse_public_keyfile( &pub, pub_file ) == 0 );
TEST_ASSERT( pk_parse_keyfile( &prv, prv_file, NULL ) == 0 );
TEST_ASSERT( pk_check_pair( &pub, &prv ) == ret );
#if defined(POLARSSL_RSA_C) && defined(POLARSSL_PK_RSA_ALT_SUPPORT)
if( pk_get_type( &prv ) == POLARSSL_PK_RSA )
{
TEST_ASSERT( pk_init_ctx_rsa_alt( &alt, pk_rsa( prv ),
rsa_decrypt_func, rsa_sign_func, rsa_key_len_func ) == 0 );
TEST_ASSERT( pk_check_pair( &pub, &alt ) == ret );
}
#endif
pk_free( &pub );
pk_free( &prv );
pk_free( &alt );
}
/* END_CASE */
/* BEGIN_CASE depends_on:POLARSSL_RSA_C */
void pk_rsa_verify_test_vec( char *message_hex_string, int digest,
int mod, int radix_N, char *input_N, int radix_E,
char *input_E, char *result_hex_str, int result )
{
unsigned char message_str[1000];
unsigned char hash_result[1000];
unsigned char result_str[1000];
rsa_context *rsa;
pk_context pk;
int msg_len;
pk_init( &pk );
memset( message_str, 0x00, 1000 );
memset( hash_result, 0x00, 1000 );
memset( result_str, 0x00, 1000 );
TEST_ASSERT( pk_init_ctx( &pk, pk_info_from_type( POLARSSL_PK_RSA ) ) == 0 );
rsa = pk_rsa( pk );
rsa->len = mod / 8;
TEST_ASSERT( mpi_read_string( &rsa->N, radix_N, input_N ) == 0 );
TEST_ASSERT( mpi_read_string( &rsa->E, radix_E, input_E ) == 0 );
msg_len = unhexify( message_str, message_hex_string );
unhexify( result_str, result_hex_str );
if( md_info_from_type( digest ) != NULL )
TEST_ASSERT( md( md_info_from_type( digest ), message_str, msg_len, hash_result ) == 0 );
TEST_ASSERT( pk_verify( &pk, digest, hash_result, 0,
result_str, pk_get_len( &pk ) ) == result );
exit:
pk_free( &pk );
}
/* END_CASE */
/* BEGIN_CASE depends_on:POLARSSL_RSA_C */
void pk_rsa_verify_ext_test_vec( char *message_hex_string, int digest,
int mod, int radix_N, char *input_N, int radix_E,
char *input_E, char *result_hex_str,
int pk_type, int mgf1_hash_id, int salt_len,
int result )
{
unsigned char message_str[1000];
unsigned char hash_result[1000];
unsigned char result_str[1000];
rsa_context *rsa;
pk_context pk;
pk_rsassa_pss_options pss_opts;
void *options;
int msg_len;
size_t hash_len;
pk_init( &pk );
memset( message_str, 0x00, 1000 );
memset( hash_result, 0x00, 1000 );
memset( result_str, 0x00, 1000 );
TEST_ASSERT( pk_init_ctx( &pk, pk_info_from_type( POLARSSL_PK_RSA ) ) == 0 );
rsa = pk_rsa( pk );
rsa->len = mod / 8;
TEST_ASSERT( mpi_read_string( &rsa->N, radix_N, input_N ) == 0 );
TEST_ASSERT( mpi_read_string( &rsa->E, radix_E, input_E ) == 0 );
msg_len = unhexify( message_str, message_hex_string );
unhexify( result_str, result_hex_str );
if( digest != POLARSSL_MD_NONE )
{
TEST_ASSERT( md( md_info_from_type( digest ),
message_str, msg_len, hash_result ) == 0 );
hash_len = 0;
}
else
{
memcpy( hash_result, message_str, msg_len );
hash_len = msg_len;
}
if( mgf1_hash_id < 0 )
{
options = NULL;
}
else
{
options = &pss_opts;
pss_opts.mgf1_hash_id = mgf1_hash_id;
pss_opts.expected_salt_len = salt_len;
}
TEST_ASSERT( pk_verify_ext( pk_type, options, &pk,
digest, hash_result, hash_len,
result_str, pk_get_len( &pk ) ) == result );
exit:
pk_free( &pk );
}
/* END_CASE */
/* BEGIN_CASE depends_on:POLARSSL_ECDSA_C */
void pk_ec_test_vec( int type, int id, char *key_str,
char *hash_str, char * sig_str, int ret )
{
pk_context pk;
ecp_keypair *eckey;
unsigned char hash[100], sig[500], key[500];
size_t hash_len, sig_len, key_len;
pk_init( &pk );
memset( hash, 0, sizeof( hash ) ); hash_len = unhexify(hash, hash_str);
memset( sig, 0, sizeof( sig ) ); sig_len = unhexify(sig, sig_str);
memset( key, 0, sizeof( key ) ); key_len = unhexify(key, key_str);
TEST_ASSERT( pk_init_ctx( &pk, pk_info_from_type( type ) ) == 0 );
TEST_ASSERT( pk_can_do( &pk, POLARSSL_PK_ECDSA ) );
eckey = pk_ec( pk );
TEST_ASSERT( ecp_use_known_dp( &eckey->grp, id ) == 0 );
TEST_ASSERT( ecp_point_read_binary( &eckey->grp, &eckey->Q,
key, key_len ) == 0 );
TEST_ASSERT( pk_verify( &pk, POLARSSL_MD_NONE,
hash, hash_len, sig, sig_len ) == ret );
exit:
pk_free( &pk );
}
/* END_CASE */
/* BEGIN_CASE depends_on:POLARSSL_SHA256_C */
void pk_sign_verify( int type, int sign_ret, int verify_ret )
{
pk_context pk;
unsigned char hash[50], sig[5000];
size_t sig_len;
pk_init( &pk );
memset( hash, 0x2a, sizeof hash );
memset( sig, 0, sizeof sig );
TEST_ASSERT( pk_init_ctx( &pk, pk_info_from_type( type ) ) == 0 );
TEST_ASSERT( pk_genkey( &pk ) == 0 );
TEST_ASSERT( pk_sign( &pk, POLARSSL_MD_SHA256, hash, sizeof hash,
sig, &sig_len, rnd_std_rand, NULL ) == sign_ret );
TEST_ASSERT( pk_verify( &pk, POLARSSL_MD_SHA256,
hash, sizeof hash, sig, sig_len ) == verify_ret );
exit:
pk_free( &pk );
}
/* END_CASE */
/* BEGIN_CASE depends_on:POLARSSL_RSA_C */
void pk_rsa_encrypt_test_vec( char *message_hex, int mod,
int radix_N, char *input_N,
int radix_E, char *input_E,
char *result_hex, int ret )
{
unsigned char message[1000];
unsigned char output[1000];
unsigned char result[1000];
size_t msg_len, olen, res_len;
rnd_pseudo_info rnd_info;
rsa_context *rsa;
pk_context pk;
memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) );
memset( message, 0, sizeof( message ) );
memset( output, 0, sizeof( output ) );
memset( result, 0, sizeof( result ) );
msg_len = unhexify( message, message_hex );
res_len = unhexify( result, result_hex );
pk_init( &pk );
TEST_ASSERT( pk_init_ctx( &pk, pk_info_from_type( POLARSSL_PK_RSA ) ) == 0 );
rsa = pk_rsa( pk );
rsa->len = mod / 8;
TEST_ASSERT( mpi_read_string( &rsa->N, radix_N, input_N ) == 0 );
TEST_ASSERT( mpi_read_string( &rsa->E, radix_E, input_E ) == 0 );
TEST_ASSERT( pk_encrypt( &pk, message, msg_len,
output, &olen, sizeof( output ),
rnd_pseudo_rand, &rnd_info ) == ret );
TEST_ASSERT( olen == res_len );
TEST_ASSERT( memcmp( output, result, olen ) == 0 );
exit:
pk_free( &pk );
}
/* END_CASE */
/* BEGIN_CASE depends_on:POLARSSL_RSA_C */
void pk_rsa_decrypt_test_vec( char *cipher_hex, int mod,
int radix_P, char *input_P,
int radix_Q, char *input_Q,
int radix_N, char *input_N,
int radix_E, char *input_E,
char *clear_hex, int ret )
{
unsigned char clear[1000];
unsigned char output[1000];
unsigned char cipher[1000];
size_t clear_len, olen, cipher_len;
rnd_pseudo_info rnd_info;
mpi P1, Q1, H, G;
rsa_context *rsa;
pk_context pk;
pk_init( &pk );
mpi_init( &P1 ); mpi_init( &Q1 ); mpi_init( &H ); mpi_init( &G );
memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) );
memset( clear, 0, sizeof( clear ) );
memset( cipher, 0, sizeof( cipher ) );
clear_len = unhexify( clear, clear_hex );
cipher_len = unhexify( cipher, cipher_hex );
/* init pk-rsa context */
TEST_ASSERT( pk_init_ctx( &pk, pk_info_from_type( POLARSSL_PK_RSA ) ) == 0 );
rsa = pk_rsa( pk );
/* load public key */
rsa->len = mod / 8;
TEST_ASSERT( mpi_read_string( &rsa->N, radix_N, input_N ) == 0 );
TEST_ASSERT( mpi_read_string( &rsa->E, radix_E, input_E ) == 0 );
/* load private key */
TEST_ASSERT( mpi_read_string( &rsa->P, radix_P, input_P ) == 0 );
TEST_ASSERT( mpi_read_string( &rsa->Q, radix_Q, input_Q ) == 0 );
TEST_ASSERT( mpi_sub_int( &P1, &rsa->P, 1 ) == 0 );
TEST_ASSERT( mpi_sub_int( &Q1, &rsa->Q, 1 ) == 0 );
TEST_ASSERT( mpi_mul_mpi( &H, &P1, &Q1 ) == 0 );
TEST_ASSERT( mpi_gcd( &G, &rsa->E, &H ) == 0 );
TEST_ASSERT( mpi_inv_mod( &rsa->D , &rsa->E, &H ) == 0 );
TEST_ASSERT( mpi_mod_mpi( &rsa->DP, &rsa->D, &P1 ) == 0 );
TEST_ASSERT( mpi_mod_mpi( &rsa->DQ, &rsa->D, &Q1 ) == 0 );
TEST_ASSERT( mpi_inv_mod( &rsa->QP, &rsa->Q, &rsa->P ) == 0 );
/* decryption test */
memset( output, 0, sizeof( output ) );
olen = 0;
TEST_ASSERT( pk_decrypt( &pk, cipher, cipher_len,
output, &olen, sizeof( output ),
rnd_pseudo_rand, &rnd_info ) == ret );
if( ret == 0 )
{
TEST_ASSERT( olen == clear_len );
TEST_ASSERT( memcmp( output, clear, olen ) == 0 );
}
exit:
mpi_free( &P1 ); mpi_free( &Q1 ); mpi_free( &H ); mpi_free( &G );
pk_free( &pk );
}
/* END_CASE */
/* BEGIN_CASE */
void pk_ec_nocrypt( int type )
{
pk_context pk;
unsigned char output[100];
unsigned char input[100];
rnd_pseudo_info rnd_info;
size_t olen = 0;
int ret = POLARSSL_ERR_PK_TYPE_MISMATCH;
pk_init( &pk );
memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) );
memset( output, 0, sizeof( output ) );
memset( input, 0, sizeof( input ) );
TEST_ASSERT( pk_init_ctx( &pk, pk_info_from_type( type ) ) == 0 );
TEST_ASSERT( pk_encrypt( &pk, input, sizeof( input ),
output, &olen, sizeof( output ),
rnd_pseudo_rand, &rnd_info ) == ret );
TEST_ASSERT( pk_decrypt( &pk, input, sizeof( input ),
output, &olen, sizeof( output ),
rnd_pseudo_rand, &rnd_info ) == ret );
exit:
pk_free( &pk );
}
/* END_CASE */
/* BEGIN_CASE depends_on:POLARSSL_RSA_C:POLARSSL_PK_RSA_ALT_SUPPORT */
void pk_rsa_alt( )
{
/*
* An rsa_alt context can only do private operations (decrypt, sign).
* Test it against the public operations (encrypt, verify) of a
* corresponding rsa context.
*/
rsa_context raw;
pk_context rsa, alt;
pk_debug_item dbg_items[10];
unsigned char hash[50], sig[1000];
unsigned char msg[50], ciph[1000], test[1000];
size_t sig_len, ciph_len, test_len;
int ret = POLARSSL_ERR_PK_TYPE_MISMATCH;
rsa_init( &raw, RSA_PKCS_V15, POLARSSL_MD_NONE );
pk_init( &rsa ); pk_init( &alt );
memset( hash, 0x2a, sizeof hash );
memset( sig, 0, sizeof sig );
memset( msg, 0x2a, sizeof msg );
memset( ciph, 0, sizeof ciph );
memset( test, 0, sizeof test );
/* Initiliaze PK RSA context with random key */
TEST_ASSERT( pk_init_ctx( &rsa,
pk_info_from_type( POLARSSL_PK_RSA ) ) == 0 );
TEST_ASSERT( pk_genkey( &rsa ) == 0 );
/* Extract key to the raw rsa context */
TEST_ASSERT( rsa_copy( &raw, pk_rsa( rsa ) ) == 0 );
/* Initialize PK RSA_ALT context */
TEST_ASSERT( pk_init_ctx_rsa_alt( &alt, (void *) &raw,
rsa_decrypt_func, rsa_sign_func, rsa_key_len_func ) == 0 );
/* Test administrative functions */
TEST_ASSERT( pk_can_do( &alt, POLARSSL_PK_RSA ) );
TEST_ASSERT( pk_get_size( &alt ) == RSA_KEY_SIZE );
TEST_ASSERT( pk_get_len( &alt ) == RSA_KEY_LEN );
TEST_ASSERT( pk_get_type( &alt ) == POLARSSL_PK_RSA_ALT );
TEST_ASSERT( strcmp( pk_get_name( &alt ), "RSA-alt" ) == 0 );
/* Test signature */
TEST_ASSERT( pk_sign( &alt, POLARSSL_MD_NONE, hash, sizeof hash,
sig, &sig_len, rnd_std_rand, NULL ) == 0 );
TEST_ASSERT( sig_len == RSA_KEY_LEN );
TEST_ASSERT( pk_verify( &rsa, POLARSSL_MD_NONE,
hash, sizeof hash, sig, sig_len ) == 0 );
/* Test decrypt */
TEST_ASSERT( pk_encrypt( &rsa, msg, sizeof msg,
ciph, &ciph_len, sizeof ciph,
rnd_std_rand, NULL ) == 0 );
TEST_ASSERT( pk_decrypt( &alt, ciph, ciph_len,
test, &test_len, sizeof test,
rnd_std_rand, NULL ) == 0 );
TEST_ASSERT( test_len == sizeof msg );
TEST_ASSERT( memcmp( test, msg, test_len ) == 0 );
/* Test forbidden operations */
TEST_ASSERT( pk_encrypt( &alt, msg, sizeof msg,
ciph, &ciph_len, sizeof ciph,
rnd_std_rand, NULL ) == ret );
TEST_ASSERT( pk_verify( &alt, POLARSSL_MD_NONE,
hash, sizeof hash, sig, sig_len ) == ret );
TEST_ASSERT( pk_debug( &alt, dbg_items ) == ret );
exit:
rsa_free( &raw );
pk_free( &rsa ); pk_free( &alt );
}
/* END_CASE */
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