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Restores erroneously removed checks

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Some padding checks in rsa.c were
erroneously removed in a previous
commit and are restored in this
commit.

Signed-off-by: Thomas Daubney <thomas.daubney@arm.com>
This commit is contained in:
Thomas Daubney 2021-05-21 11:50:39 +01:00
parent 2c65db9655
commit d58ed587fd
1 changed files with 6 additions and 0 deletions
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6
library/rsa.c
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@ -1764,6 +1764,9 @@ static int rsa_rsassa_pss_sign( mbedtls_rsa_context *ctx,
hash != NULL ); hash != NULL );
RSA_VALIDATE_RET( sig != NULL ); RSA_VALIDATE_RET( sig != NULL );
if( ctx->padding != MBEDTLS_RSA_PKCS_V21 )
return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
if( f_rng == NULL ) if( f_rng == NULL )
return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA ); return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
@ -2054,6 +2057,9 @@ int mbedtls_rsa_rsassa_pkcs1_v15_sign( mbedtls_rsa_context *ctx,
hash != NULL ); hash != NULL );
RSA_VALIDATE_RET( sig != NULL ); RSA_VALIDATE_RET( sig != NULL );
if( ctx->padding != MBEDTLS_RSA_PKCS_V15 )
return( MBEDTLS_ERR_RSA_BAD_INPUT_DATA );
/* /*
* Prepare PKCS1-v1.5 encoding (padding and hash identifier) * Prepare PKCS1-v1.5 encoding (padding and hash identifier)
*/ */