static int eckey_sign_wrap(void *ctx, ttls_md_type_t md_alg,
const unsigned char *hash, size_t hash_len,
unsigned char *sig, size_t *sig_len)
{
int ret;
ttls_ecdsa_context ecdsa;
ttls_ecdsa_init(&ecdsa);
if ((ret = ttls_ecdsa_from_keypair(&ecdsa, ctx)) == 0)
ret = ecdsa_sign_wrap(&ecdsa, md_alg, hash, hash_len, sig, sig_len);
ttls_ecdsa_free(&ecdsa);
return ret;
}
static int eckey_sign_wrap( void *ctx, mbedtls_md_type_t md_alg,
const unsigned char *hash, size_t hash_len,
unsigned char *sig, size_t *sig_len,
int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
{
int ret;
mbedtls_ecdsa_context ecdsa;
mbedtls_ecdsa_init( &ecdsa );
if( ( ret = mbedtls_ecdsa_from_keypair( &ecdsa, ctx ) ) == 0 )
ret = ecdsa_sign_wrap( &ecdsa, md_alg, hash, hash_len, sig, sig_len,
f_rng, p_rng );
mbedtls_ecdsa_free( &ecdsa );
return( ret );
}