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Dynamically allocate/free restart subcontext in PK

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This commit is contained in:
Manuel Pégourié-Gonnard 2017-08-18 16:22:06 +02:00
parent 15d7df2ba8
commit 0bbc66cc76
4 changed files with 108 additions and 10 deletions
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38
library/pk_wrap.c
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@ -189,6 +189,10 @@ const mbedtls_pk_info_t mbedtls_rsa_info = {
rsa_check_pair_wrap,
rsa_alloc_wrap,
rsa_free_wrap,
#if defined(MBEDTLS_ECP_RESTARTABLE)
NULL,
NULL,
#endif
rsa_debug,
};
#endif /* MBEDTLS_RSA_C */
@ -401,6 +405,24 @@ static void eckey_debug( const void *ctx, mbedtls_pk_debug_item *items )
items->value = &( ((mbedtls_ecp_keypair *) ctx)->Q );
}
#if defined(MBEDTLS_ECP_RESTARTABLE)
static void *eckey_rs_alloc( void )
{
void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_ecdsa_restart_ctx ) );
if( ctx != NULL )
mbedtls_ecdsa_restart_init( ctx );
return( ctx );
}
static void eckey_rs_free( void *ctx )
{
mbedtls_ecdsa_restart_free( ctx );
mbedtls_free( ctx );
}
#endif /* MBEDTLS_ECP_RESTARTABLE */
const mbedtls_pk_info_t mbedtls_eckey_info = {
MBEDTLS_PK_ECKEY,
"EC",
@ -426,6 +448,10 @@ const mbedtls_pk_info_t mbedtls_eckey_info = {
eckey_check_pair,
eckey_alloc_wrap,
eckey_free_wrap,
#if defined(MBEDTLS_ECP_RESTARTABLE)
eckey_rs_alloc,
eckey_rs_free,
#endif
eckey_debug,
};
@ -454,6 +480,10 @@ const mbedtls_pk_info_t mbedtls_eckeydh_info = {
eckey_check_pair,
eckey_alloc_wrap, /* Same underlying key structure */
eckey_free_wrap, /* Same underlying key structure */
#if defined(MBEDTLS_ECP_RESTARTABLE)
NULL,
NULL,
#endif
eckey_debug, /* Same underlying key structure */
};
#endif /* MBEDTLS_ECP_C */
@ -555,6 +585,10 @@ const mbedtls_pk_info_t mbedtls_ecdsa_info = {
eckey_check_pair, /* Compatible key structures */
ecdsa_alloc_wrap,
ecdsa_free_wrap,
#if defined(MBEDTLS_ECP_RESTARTABLE)
eckey_rs_alloc,
eckey_rs_free,
#endif
eckey_debug, /* Compatible key structures */
};
#endif /* MBEDTLS_ECDSA_C */
@ -677,6 +711,10 @@ const mbedtls_pk_info_t mbedtls_rsa_alt_info = {
#endif
rsa_alt_alloc_wrap,
rsa_alt_free_wrap,
#if defined(MBEDTLS_ECP_RESTARTABLE)
NULL,
NULL,
#endif
NULL,
};