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Removes mode param from mbedtls_rsa_rsassa_pkcs1_v15_sign

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Commit removes the mode parameter from
mbedtls_rsa_rsassa_pkcs1_v15_sign and
propagates the change throughout the
codebase.

Signed-off-by: Thomas Daubney <thomas.daubney@arm.com>
This commit is contained in:
Thomas Daubney
2021-05-18 16:54:00 +01:00
parent 140184d029
commit 526549854c
3 changed files with 3 additions and 37 deletions
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18
library/rsa.c
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@@ -2049,7 +2049,6 @@ static int rsa_rsassa_pkcs1_v15_encode( mbedtls_md_type_t md_alg,
int mbedtls_rsa_rsassa_pkcs1_v15_sign( mbedtls_rsa_context *ctx,
int (*f_rng)(void *, unsigned char *, size_t),
void *p_rng,
int mode,
mbedtls_md_type_t md_alg,
unsigned int hashlen,
const unsigned char *hash,
@@ -2059,16 +2058,11 @@ int mbedtls_rsa_rsassa_pkcs1_v15_sign( mbedtls_rsa_context *ctx,
unsigned char *sig_try = NULL, *verif = NULL;
RSA_VALIDATE_RET( ctx != NULL );
RSA_VALIDATE_RET( mode == MBEDTLS_RSA_PRIVATE ||
mode == MBEDTLS_RSA_PUBLIC );
RSA_VALIDATE_RET( ( md_alg == MBEDTLS_MD_NONE &&
hashlen == 0 ) ||
hash != NULL );
RSA_VALIDATE_RET( sig != NULL );
if( mode == MBEDTLS_RSA_PRIVATE && ctx->padding != MBEDTLS_RSA_PKCS_V15 )
return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
/*
* Prepare PKCS1-v1.5 encoding (padding and hash identifier)
*/
@@ -2077,16 +2071,6 @@ int mbedtls_rsa_rsassa_pkcs1_v15_sign( mbedtls_rsa_context *ctx,
ctx->len, sig ) ) != 0 )
return( ret );
/*
* Call respective RSA primitive
*/
if( mode == MBEDTLS_RSA_PUBLIC )
{
/* Skip verification on a public key operation */
return( mbedtls_rsa_public( ctx, sig, sig ) );
}
/* Private key operation
*
* In order to prevent Lenstra's attack, make the signature in a
@@ -2144,7 +2128,7 @@ int mbedtls_rsa_pkcs1_sign( mbedtls_rsa_context *ctx,
{
#if defined(MBEDTLS_PKCS1_V15)
case MBEDTLS_RSA_PKCS_V15:
return mbedtls_rsa_rsassa_pkcs1_v15_sign( ctx, f_rng, p_rng, MBEDTLS_RSA_PRIVATE,
return mbedtls_rsa_rsassa_pkcs1_v15_sign( ctx, f_rng, p_rng,
md_alg, hashlen, hash, sig );
#endif