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PK: reuse some eckey functions for ecdsa

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Also add some forgotten 'static' while at it.
This commit is contained in:
Manuel Pégourié-Gonnard 2013-08-14 18:16:50 +02:00
parent c6ac8870d5
commit 09162ddcaa
2 changed files with 52 additions and 48 deletions
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2
include/polarssl/ecp.h
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@ -95,6 +95,8 @@ ecp_group;
* \brief ECP key pair structure * \brief ECP key pair structure
* *
* A generic key pair that could be used for ECDSA, fixed ECDH, etc. * A generic key pair that could be used for ECDSA, fixed ECDH, etc.
*
* \note Members purposefully in the same order as struc ecdsa_context.
*/ */
typedef struct typedef struct
{ {

98
library/pk_wrap.c
View File

@ -109,53 +109,6 @@ const pk_info_t rsa_info = {
}; };
#endif /* POLARSSL_RSA_C */ #endif /* POLARSSL_RSA_C */
#if defined(POLARSSL_ECDSA_C)
int ecdsa_can_do( pk_type_t type )
{
return( type == POLARSSL_PK_ECDSA );
}
static size_t ecdsa_get_size( const void *ctx )
{
return( ((ecdsa_context *) ctx)->grp.pbits );
}
int ecdsa_verify_wrap( void *ctx,
const unsigned char *hash, const md_info_t *md_info,
const unsigned char *sig, size_t sig_len )
{
return( ecdsa_read_signature( (ecdsa_context *) ctx,
hash, md_info->size, sig, sig_len ) );
}
static void *ecdsa_alloc_wrap( void )
{
void *ctx = polarssl_malloc( sizeof( ecdsa_context ) );
if( ctx != NULL )
ecdsa_init( (ecdsa_context *) ctx );
return( ctx );
}
static void ecdsa_free_wrap( void *ctx )
{
ecdsa_free( (ecdsa_context *) ctx );
polarssl_free( ctx );
}
const pk_info_t ecdsa_info = {
POLARSSL_PK_ECDSA,
"ECDSA",
ecdsa_get_size,
ecdsa_can_do,
ecdsa_verify_wrap,
ecdsa_alloc_wrap,
ecdsa_free_wrap,
NULL,
};
#endif /* POLARSSL_ECDSA_C */
#if defined(POLARSSL_ECP_C) #if defined(POLARSSL_ECP_C)
/* /*
* Generic EC key * Generic EC key
@ -172,6 +125,13 @@ static size_t eckey_get_size( const void *ctx )
return( ((ecp_keypair *) ctx)->grp.pbits ); return( ((ecp_keypair *) ctx)->grp.pbits );
} }
#if defined(POLARSSL_ECDSA_C)
/* Forward declaration */
static int ecdsa_verify_wrap( void *ctx,
const unsigned char *hash, const md_info_t *md_info,
const unsigned char *sig, size_t sig_len );
#endif
static int eckey_verify_wrap( void *ctx, static int eckey_verify_wrap( void *ctx,
const unsigned char *hash, const md_info_t *md_info, const unsigned char *hash, const md_info_t *md_info,
const unsigned char *sig, size_t sig_len ) const unsigned char *sig, size_t sig_len )
@ -263,6 +223,48 @@ const pk_info_t eckeydh_info = {
eckeydh_verify_wrap, eckeydh_verify_wrap,
eckey_alloc_wrap, /* Same underlying key structure */ eckey_alloc_wrap, /* Same underlying key structure */
eckey_free_wrap, /* Same underlying key structure */ eckey_free_wrap, /* Same underlying key structure */
NULL, eckey_debug, /* Same underlying key structure */
}; };
#endif /* POLARSSL_ECP_C */ #endif /* POLARSSL_ECP_C */
#if defined(POLARSSL_ECDSA_C)
static int ecdsa_can_do( pk_type_t type )
{
return( type == POLARSSL_PK_ECDSA );
}
static int ecdsa_verify_wrap( void *ctx,
const unsigned char *hash, const md_info_t *md_info,
const unsigned char *sig, size_t sig_len )
{
return( ecdsa_read_signature( (ecdsa_context *) ctx,
hash, md_info->size, sig, sig_len ) );
}
static void *ecdsa_alloc_wrap( void )
{
void *ctx = polarssl_malloc( sizeof( ecdsa_context ) );
if( ctx != NULL )
ecdsa_init( (ecdsa_context *) ctx );
return( ctx );
}
static void ecdsa_free_wrap( void *ctx )
{
ecdsa_free( (ecdsa_context *) ctx );
polarssl_free( ctx );
}
const pk_info_t ecdsa_info = {
POLARSSL_PK_ECDSA,
"ECDSA",
eckey_get_size, /* Compatible key structures */
ecdsa_can_do,
ecdsa_verify_wrap,
ecdsa_alloc_wrap,
ecdsa_free_wrap,
eckey_debug, /* Compatible key structures */
};
#endif /* POLARSSL_ECDSA_C */