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Merge pull request #4707 from gilles-peskine-arm/require-matching-hashlen-rsa-implementation

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Require matching hashlen in RSA functions: implementation
This commit is contained in:
Gilles Peskine
2021-06-24 10:28:20 +02:00
committed by GitHub
parent f06b92d724 6e3187b212
commit fedd52ca19
13 changed files with 144 additions and 116 deletions
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22
tests/suites/test_suite_rsa.function
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@@ -84,6 +84,7 @@ void mbedtls_rsa_pkcs1_sign( data_t * message_str, int padding_mode,
data_t * result_str, int result )
{
unsigned char hash_result[MBEDTLS_MD_MAX_SIZE];
const mbedtls_md_info_t *md_info = mbedtls_md_info_from_type( digest );
unsigned char output[256];
mbedtls_rsa_context ctx;
mbedtls_mpi N, P, Q, E;
@@ -109,13 +110,13 @@ void mbedtls_rsa_pkcs1_sign( data_t * message_str, int padding_mode,
TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 );
TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
if( md_info != NULL )
TEST_ASSERT( mbedtls_md( md_info, message_str->x, message_str->len, hash_result ) == 0 );
if( mbedtls_md_info_from_type( digest ) != NULL )
TEST_ASSERT( mbedtls_md( mbedtls_md_info_from_type( digest ), message_str->x, message_str->len, hash_result ) == 0 );
TEST_ASSERT( mbedtls_rsa_pkcs1_sign( &ctx, &mbedtls_test_rnd_pseudo_rand,
&rnd_info, digest, 0, hash_result,
output ) == result );
TEST_ASSERT( mbedtls_rsa_pkcs1_sign(
&ctx, &mbedtls_test_rnd_pseudo_rand, &rnd_info,
digest, mbedtls_md_get_size( md_info ), hash_result,
output ) == result );
if( result == 0 )
{
@@ -137,8 +138,8 @@ void mbedtls_rsa_pkcs1_verify( data_t * message_str, int padding_mode,
data_t * result_str, int result )
{
unsigned char hash_result[MBEDTLS_MD_MAX_SIZE];
const mbedtls_md_info_t *md_info = mbedtls_md_info_from_type( digest );
mbedtls_rsa_context ctx;
mbedtls_mpi N, E;
mbedtls_mpi_init( &N ); mbedtls_mpi_init( &E );
@@ -153,11 +154,10 @@ void mbedtls_rsa_pkcs1_verify( data_t * message_str, int padding_mode,
TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod / 8 ) );
TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == 0 );
if( md_info != NULL )
TEST_ASSERT( mbedtls_md( md_info, message_str->x, message_str->len, hash_result ) == 0 );
if( mbedtls_md_info_from_type( digest ) != NULL )
TEST_ASSERT( mbedtls_md( mbedtls_md_info_from_type( digest ), message_str->x, message_str->len, hash_result ) == 0 );
TEST_ASSERT( mbedtls_rsa_pkcs1_verify( &ctx, digest, 0, hash_result, result_str->x ) == result );
TEST_ASSERT( mbedtls_rsa_pkcs1_verify( &ctx, digest, mbedtls_md_get_size( md_info ), hash_result, result_str->x ) == result );
exit:
mbedtls_mpi_free( &N ); mbedtls_mpi_free( &E );