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Reduce stack usage of test_suite_pkcs1_v21

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Reduce the stack usage of the `test_suite_pkcs1_v21` by reducing the
size of the buffers used in the tests, to a reasonable big enough size,
and change the size sent to the API to sizeof output.
This commit is contained in:
Ron Eldor 2018-11-22 15:49:49 +02:00
parent fdc15bd581
commit 5b8f120fca
1 changed files with 19 additions and 14 deletions
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33
tests/suites/test_suite_pkcs1_v21.function
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@ -14,7 +14,7 @@ void pkcs1_rsaes_oaep_encrypt( int mod, int radix_N, char * input_N,
data_t * message_str, data_t * rnd_buf,
data_t * result_hex_str, int result )
{
unsigned char output[1000];
unsigned char output[256];
mbedtls_rsa_context ctx;
rnd_buf_info info;
mbedtls_mpi N, E;
@ -24,7 +24,7 @@ void pkcs1_rsaes_oaep_encrypt( int mod, int radix_N, char * input_N,
mbedtls_mpi_init( &N ); mbedtls_mpi_init( &E );
mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V21, hash );
memset( output, 0x00, 1000 );
memset( output, 0x00, sizeof( output ) );
TEST_ASSERT( mbedtls_mpi_read_string( &N, radix_N, input_N ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &E, radix_E, input_E ) == 0 );
@ -54,7 +54,7 @@ void pkcs1_rsaes_oaep_decrypt( int mod, int radix_P, char * input_P,
char * seed, data_t * message_str,
int result )
{
unsigned char output[1000];
unsigned char output[64];
mbedtls_rsa_context ctx;
size_t output_len;
rnd_pseudo_info rnd_info;
@ -66,7 +66,7 @@ void pkcs1_rsaes_oaep_decrypt( int mod, int radix_P, char * input_P,
mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V21, hash );
memset( output, 0x00, 1000 );
memset( output, 0x00, sizeof( output ) );
memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) );
TEST_ASSERT( mbedtls_mpi_read_string( &P, radix_P, input_P ) == 0 );
@ -81,11 +81,16 @@ void pkcs1_rsaes_oaep_decrypt( int mod, int radix_P, char * input_P,
if( result_hex_str->len == 0 )
{
TEST_ASSERT( mbedtls_rsa_pkcs1_decrypt( &ctx, &rnd_pseudo_rand, &rnd_info, MBEDTLS_RSA_PRIVATE, &output_len, message_str->x, NULL, 0 ) == result );
TEST_ASSERT( mbedtls_rsa_pkcs1_decrypt( &ctx, &rnd_pseudo_rand, &rnd_info,
MBEDTLS_RSA_PRIVATE, &output_len,
message_str->x, NULL, 0 ) == result );
}
else
{
TEST_ASSERT( mbedtls_rsa_pkcs1_decrypt( &ctx, &rnd_pseudo_rand, &rnd_info, MBEDTLS_RSA_PRIVATE, &output_len, message_str->x, output, 1000 ) == result );
TEST_ASSERT( mbedtls_rsa_pkcs1_decrypt( &ctx, &rnd_pseudo_rand, &rnd_info,
MBEDTLS_RSA_PRIVATE, &output_len,
message_str->x, output,
sizeof( output ) ) == result );
if( result == 0 )
{
TEST_ASSERT( hexcmp( output, result_hex_str->x, output_len, result_hex_str->len ) == 0 );
@ -106,8 +111,8 @@ void pkcs1_rsassa_pss_sign( int mod, int radix_P, char * input_P, int radix_Q,
data_t * message_str, data_t * rnd_buf,
data_t * result_hex_str, int result )
{
unsigned char hash_result[1000];
unsigned char output[1000];
unsigned char hash_result[MBEDTLS_MD_MAX_SIZE];
unsigned char output[256];
mbedtls_rsa_context ctx;
rnd_buf_info info;
mbedtls_mpi N, P, Q, E;
@ -119,8 +124,8 @@ void pkcs1_rsassa_pss_sign( int mod, int radix_P, char * input_P, int radix_Q,
mbedtls_mpi_init( &Q ); mbedtls_mpi_init( &E );
mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V21, hash );
memset( hash_result, 0x00, 1000 );
memset( output, 0x00, 1000 );
memset( hash_result, 0x00, sizeof( hash_result ) );
memset( output, 0x00, sizeof( output ) );
TEST_ASSERT( mbedtls_mpi_read_string( &P, radix_P, input_P ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &Q, radix_Q, input_Q ) == 0 );
@ -157,14 +162,14 @@ void pkcs1_rsassa_pss_verify( int mod, int radix_N, char * input_N,
int hash, data_t * message_str, char * salt,
data_t * result_str, int result )
{
unsigned char hash_result[1000];
unsigned char hash_result[MBEDTLS_MD_MAX_SIZE];
mbedtls_rsa_context ctx;
mbedtls_mpi N, E;
((void) salt);
mbedtls_mpi_init( &N ); mbedtls_mpi_init( &E );
mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V21, hash );
memset( hash_result, 0x00, 1000 );
memset( hash_result, 0x00, sizeof( hash_result ) );
TEST_ASSERT( mbedtls_mpi_read_string( &N, radix_N, input_N ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &E, radix_E, input_E ) == 0 );
@ -194,14 +199,14 @@ void pkcs1_rsassa_pss_verify_ext( int mod, int radix_N, char * input_N,
data_t * result_str, int result_simple,
int result_full )
{
unsigned char hash_result[1000];
unsigned char hash_result[MBEDTLS_MD_MAX_SIZE];
mbedtls_rsa_context ctx;
size_t hash_len;
mbedtls_mpi N, E;
mbedtls_mpi_init( &N ); mbedtls_mpi_init( &E );
mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V21, ctx_hash );
memset( hash_result, 0x00, 1000 );
memset( hash_result, 0x00, sizeof( hash_result ) );
TEST_ASSERT( mbedtls_mpi_read_string( &N, radix_N, input_N ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &E, radix_E, input_E ) == 0 );