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Don't break the rsa context abstraction

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This would fail on alternative implementation.
This commit is contained in:
Gilles Peskine 2018-06-29 17:49:35 +02:00 committed by itayzafrir
parent 3ff2162d14
commit 630a18a51e
1 changed files with 6 additions and 6 deletions
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12
library/psa_crypto.c
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@ -1774,7 +1774,7 @@ static psa_status_t psa_rsa_sign( mbedtls_rsa_context *rsa,
if( status != PSA_SUCCESS )
return( status );
if( signature_size < rsa->len )
if( signature_size < mbedtls_rsa_get_len( rsa ) )
return( PSA_ERROR_BUFFER_TOO_SMALL );
/* The Mbed TLS RSA module uses an unsigned int for hash_length. See if
@ -1822,7 +1822,7 @@ static psa_status_t psa_rsa_sign( mbedtls_rsa_context *rsa,
}
if( ret == 0 )
*signature_length = rsa->len;
*signature_length = mbedtls_rsa_get_len( rsa );
return( mbedtls_to_psa_error( ret ) );
}
@ -1841,7 +1841,7 @@ static psa_status_t psa_rsa_verify( mbedtls_rsa_context *rsa,
if( status != PSA_SUCCESS )
return( status );
if( signature_length < rsa->len )
if( signature_length < mbedtls_rsa_get_len( rsa ) )
return( PSA_ERROR_BUFFER_TOO_SMALL );
#if defined(MBEDTLS_PKCS1_V15) || defined(MBEDTLS_PKCS1_V21)
@ -2124,7 +2124,7 @@ psa_status_t psa_asymmetric_encrypt( psa_key_slot_t key,
{
mbedtls_rsa_context *rsa = slot->data.rsa;
int ret;
if( output_size < rsa->len )
if( output_size < mbedtls_rsa_get_len( rsa ) )
return( PSA_ERROR_INVALID_ARGUMENT );
#if defined(MBEDTLS_PKCS1_V15)
if( alg == PSA_ALG_RSA_PKCS1V15_CRYPT )
@ -2150,7 +2150,7 @@ psa_status_t psa_asymmetric_encrypt( psa_key_slot_t key,
return( PSA_ERROR_INVALID_ARGUMENT );
}
if( ret == 0 )
*output_length = rsa->len;
*output_length = mbedtls_rsa_get_len( rsa );
return( mbedtls_to_psa_error( ret ) );
}
else
@ -2189,7 +2189,7 @@ psa_status_t psa_asymmetric_decrypt( psa_key_slot_t key,
mbedtls_rsa_context *rsa = slot->data.rsa;
int ret;
if( input_length != rsa->len )
if( input_length != mbedtls_rsa_get_len( rsa ) )
return( PSA_ERROR_INVALID_ARGUMENT );
#if defined(MBEDTLS_PKCS1_V15)