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Reduce stack usage of test_suite_pkcs1_v15

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Reduce the stack usage of the `test_suite_pkcs1_v15` by reducing the
size of the buffers used in the tests, to a reasonable big enough size.
This commit is contained in:
Ron Eldor 2018-11-25 15:54:52 +02:00
parent dd4277f70d
commit 0ab4092e2d
1 changed files with 31 additions and 30 deletions
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61
tests/suites/test_suite_pkcs1_v15.function
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@ -14,10 +14,10 @@ void pkcs1_rsaes_v15_encrypt( int mod, int radix_N, char *input_N, int radix_E,
char *message_hex_string, char *seed, char *message_hex_string, char *seed,
char *result_hex_str, int result ) char *result_hex_str, int result )
{ {
unsigned char message_str[1000]; unsigned char message_str[125];
unsigned char output[1000]; unsigned char output[128];
unsigned char output_str[1000]; unsigned char output_str[257];
unsigned char rnd_buf[1000]; unsigned char rnd_buf[109];
mbedtls_rsa_context ctx; mbedtls_rsa_context ctx;
size_t msg_len; size_t msg_len;
rnd_buf_info info; rnd_buf_info info;
@ -28,9 +28,9 @@ void pkcs1_rsaes_v15_encrypt( int mod, int radix_N, char *input_N, int radix_E,
mbedtls_mpi_init( &N ); mbedtls_mpi_init( &E ); mbedtls_mpi_init( &N ); mbedtls_mpi_init( &E );
mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, hash ); mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, hash );
memset( message_str, 0x00, 1000 ); memset( message_str, 0x00, sizeof( message_str ) );
memset( output, 0x00, 1000 ); memset( output, 0x00, sizeof( output ) );
memset( output_str, 0x00, 1000 ); memset( output_str, 0x00, sizeof( output_str ) );
TEST_ASSERT( mbedtls_mpi_read_string( &N, radix_N, input_N ) == 0 ); TEST_ASSERT( mbedtls_mpi_read_string( &N, radix_N, input_N ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &E, radix_E, input_E ) == 0 ); TEST_ASSERT( mbedtls_mpi_read_string( &E, radix_E, input_E ) == 0 );
@ -61,9 +61,9 @@ void pkcs1_rsaes_v15_decrypt( int mod, int radix_P, char *input_P,
int hash, char *result_hex_str, char *seed, int hash, char *result_hex_str, char *seed,
char *message_hex_string, int result ) char *message_hex_string, int result )
{ {
unsigned char message_str[1000]; unsigned char message_str[128];
unsigned char output[1000]; unsigned char output[128];
unsigned char output_str[1000]; unsigned char output_str[257];
mbedtls_rsa_context ctx; mbedtls_rsa_context ctx;
size_t output_len; size_t output_len;
rnd_pseudo_info rnd_info; rnd_pseudo_info rnd_info;
@ -74,9 +74,9 @@ void pkcs1_rsaes_v15_decrypt( int mod, int radix_P, char *input_P,
mbedtls_mpi_init( &Q ); mbedtls_mpi_init( &E ); mbedtls_mpi_init( &Q ); mbedtls_mpi_init( &E );
mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, hash ); mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, hash );
memset( message_str, 0x00, 1000 ); memset( message_str, 0x00, sizeof( message_str ) );
memset( output, 0x00, 1000 ); memset( output, 0x00, sizeof( output ) );
memset( output_str, 0x00, 1000 ); memset( output_str, 0x00, sizeof( output_str ) );
memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) ); memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) );
TEST_ASSERT( mbedtls_mpi_read_string( &P, radix_P, input_P ) == 0 ); TEST_ASSERT( mbedtls_mpi_read_string( &P, radix_P, input_P ) == 0 );
@ -91,7 +91,9 @@ void pkcs1_rsaes_v15_decrypt( int mod, int radix_P, char *input_P,
unhexify( message_str, message_hex_string ); unhexify( message_str, message_hex_string );
TEST_ASSERT( mbedtls_rsa_pkcs1_decrypt( &ctx, &rnd_pseudo_rand, &rnd_info, MBEDTLS_RSA_PRIVATE, &output_len, message_str, output, 1000 ) == result ); TEST_ASSERT( mbedtls_rsa_pkcs1_decrypt( &ctx, &rnd_pseudo_rand, &rnd_info,
MBEDTLS_RSA_PRIVATE, &output_len,
message_str, output, sizeof( output ) ) == result );
if( result == 0 ) if( result == 0 )
{ {
hexify( output_str, output, ctx.len ); hexify( output_str, output, ctx.len );
@ -261,11 +263,11 @@ void pkcs1_rsassa_v15_sign( int mod, int radix_P, char *input_P, int radix_Q,
char *message_hex_string, char *salt, char *message_hex_string, char *salt,
char *result_hex_str, int result ) char *result_hex_str, int result )
{ {
unsigned char message_str[1000]; unsigned char message_str[114];
unsigned char hash_result[1000]; unsigned char hash_result[MBEDTLS_MD_MAX_SIZE];
unsigned char output[1000]; unsigned char output[128];
unsigned char output_str[1000]; unsigned char output_str[257];
unsigned char rnd_buf[1000]; unsigned char rnd_buf[20];
mbedtls_rsa_context ctx; mbedtls_rsa_context ctx;
mbedtls_mpi N, P, Q, E; mbedtls_mpi N, P, Q, E;
size_t msg_len; size_t msg_len;
@ -277,11 +279,10 @@ void pkcs1_rsassa_v15_sign( int mod, int radix_P, char *input_P, int radix_Q,
mbedtls_mpi_init( &N ); mbedtls_mpi_init( &P ); mbedtls_mpi_init( &N ); mbedtls_mpi_init( &P );
mbedtls_mpi_init( &Q ); mbedtls_mpi_init( &E ); mbedtls_mpi_init( &Q ); mbedtls_mpi_init( &E );
mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, hash ); mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, hash );
memset( message_str, 0x00, sizeof( message_str ) );
memset( message_str, 0x00, 1000 ); memset( hash_result, 0x00, sizeof( hash_result ) );
memset( hash_result, 0x00, 1000 ); memset( output, 0x00, sizeof( output ) );
memset( output, 0x00, 1000 ); memset( output_str, 0x00, sizeof( output_str ) );
memset( output_str, 0x00, 1000 );
TEST_ASSERT( mbedtls_mpi_read_string( &P, radix_P, input_P ) == 0 ); TEST_ASSERT( mbedtls_mpi_read_string( &P, radix_P, input_P ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &Q, radix_Q, input_Q ) == 0 ); TEST_ASSERT( mbedtls_mpi_read_string( &Q, radix_Q, input_Q ) == 0 );
@ -319,9 +320,9 @@ void pkcs1_rsassa_v15_verify( int mod, int radix_N, char *input_N, int radix_E,
char *message_hex_string, char *salt, char *message_hex_string, char *salt,
char *result_hex_str, int result ) char *result_hex_str, int result )
{ {
unsigned char message_str[1000]; unsigned char message_str[114];
unsigned char hash_result[1000]; unsigned char hash_result[MBEDTLS_MD_MAX_SIZE];
unsigned char result_str[1000]; unsigned char result_str[128];
mbedtls_rsa_context ctx; mbedtls_rsa_context ctx;
size_t msg_len; size_t msg_len;
mbedtls_mpi N, E; mbedtls_mpi N, E;
@ -329,9 +330,9 @@ void pkcs1_rsassa_v15_verify( int mod, int radix_N, char *input_N, int radix_E,
mbedtls_mpi_init( &N ); mbedtls_mpi_init( &E ); mbedtls_mpi_init( &N ); mbedtls_mpi_init( &E );
mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, hash ); mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, hash );
memset( message_str, 0x00, 1000 ); memset( message_str, 0x00, sizeof( message_str ) );
memset( hash_result, 0x00, 1000 ); memset( hash_result, 0x00, sizeof( hash_result ) );
memset( result_str, 0x00, 1000 ); memset( result_str, 0x00, sizeof( result_str ) );
TEST_ASSERT( mbedtls_mpi_read_string( &N, radix_N, input_N ) == 0 ); TEST_ASSERT( mbedtls_mpi_read_string( &N, radix_N, input_N ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &E, radix_E, input_E ) == 0 ); TEST_ASSERT( mbedtls_mpi_read_string( &E, radix_E, input_E ) == 0 );