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mbedtls/tests/suites/test_suite_pkcs1_v15.function
Ronald Cron ac6ae35150 tests: suites: Remove hex in name of variables of type data_t 
Remove `hex` in name of variables of type data_t to reserve it
for variables of type char* that are the hexadecimal
representation of a data buffer.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
2020-07-01 17:10:15 +02:00

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/* BEGIN_HEADER */
#include "mbedtls/rsa.h"
#include "mbedtls/md.h"
/* END_HEADER */
/* BEGIN_DEPENDENCIES
* depends_on:MBEDTLS_PKCS1_V15:MBEDTLS_RSA_C:MBEDTLS_SHA1_C
* END_DEPENDENCIES
*/
/* BEGIN_CASE */
void pkcs1_rsaes_v15_encrypt( int mod, int radix_N, char * input_N,
int radix_E, char * input_E, int hash,
data_t * message_str, data_t * rnd_buf,
data_t * result_str, int result )
{
unsigned char output[128];
mbedtls_rsa_context ctx;
mbedtls_test_rnd_buf_info info;
mbedtls_mpi N, E;
info.buf = rnd_buf->x;
info.length = rnd_buf->len;
mbedtls_mpi_init( &N ); mbedtls_mpi_init( &E );
mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, hash );
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 );
TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, NULL, NULL, NULL, &E ) == 0 );
TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( ( mod + 7 ) / 8 ) );
TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == 0 );
if( message_str->len == 0 )
message_str->x = NULL;
TEST_ASSERT( mbedtls_rsa_pkcs1_encrypt( &ctx,
&mbedtls_test_rnd_buffer_rand,
&info, MBEDTLS_RSA_PUBLIC,
message_str->len, message_str->x,
output ) == result );
if( result == 0 )
{
TEST_ASSERT( mbedtls_test_hexcmp( output, result_str->x,
ctx.len, result_str->len ) == 0 );
}
exit:
mbedtls_mpi_free( &N ); mbedtls_mpi_free( &E );
mbedtls_rsa_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE */
void pkcs1_rsaes_v15_decrypt( int mod, int radix_P, char * input_P,
int radix_Q, char * input_Q, int radix_N,
char * input_N, int radix_E, char * input_E,
int hash, data_t * result_str,
char * seed, data_t * message_str,
int result )
{
unsigned char output[128];
mbedtls_rsa_context ctx;
size_t output_len;
mbedtls_test_rnd_pseudo_info rnd_info;
mbedtls_mpi N, P, Q, E;
((void) seed);
mbedtls_mpi_init( &N ); mbedtls_mpi_init( &P );
mbedtls_mpi_init( &Q ); mbedtls_mpi_init( &E );
mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, hash );
memset( output, 0x00, sizeof( output ) );
memset( &rnd_info, 0, sizeof( mbedtls_test_rnd_pseudo_info ) );
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( &N, radix_N, input_N ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_string( &E, radix_E, input_E ) == 0 );
TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, &P, &Q, NULL, &E ) == 0 );
TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( ( mod + 7 ) / 8 ) );
TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 );
TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
if( result_str->len == 0 )
{
TEST_ASSERT( mbedtls_rsa_pkcs1_decrypt( &ctx,
&mbedtls_test_rnd_pseudo_rand,
&rnd_info,
MBEDTLS_RSA_PRIVATE,
&output_len, message_str->x,
NULL, 0 ) == result );
}
else
{
TEST_ASSERT( mbedtls_rsa_pkcs1_decrypt( &ctx,
&mbedtls_test_rnd_pseudo_rand,
&rnd_info, MBEDTLS_RSA_PRIVATE,
&output_len, message_str->x,
output, 1000 ) == result );
if( result == 0 )
{
TEST_ASSERT( mbedtls_test_hexcmp( output, result_str->x,
output_len,
result_str->len) == 0 );
}
}
exit:
mbedtls_mpi_free( &N ); mbedtls_mpi_free( &P );
mbedtls_mpi_free( &Q ); mbedtls_mpi_free( &E );
mbedtls_rsa_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE */
void pkcs1_v15_decode( int mode,
data_t *input,
int expected_plaintext_length_arg,
int output_size_arg,
int expected_result )
{
size_t expected_plaintext_length = expected_plaintext_length_arg;
size_t output_size = output_size_arg;
mbedtls_test_rnd_pseudo_info rnd_info;
mbedtls_mpi Nmpi, Empi, Pmpi, Qmpi;
mbedtls_rsa_context ctx;
static unsigned char N[128] = {
0xc4, 0x79, 0x4c, 0x6d, 0xb2, 0xe9, 0xdf, 0xc5,
0xe5, 0xd7, 0x55, 0x4b, 0xfb, 0x6c, 0x2e, 0xec,
0x84, 0xd0, 0x88, 0x12, 0xaf, 0xbf, 0xb4, 0xf5,
0x47, 0x3c, 0x7e, 0x92, 0x4c, 0x58, 0xc8, 0x73,
0xfe, 0x8f, 0x2b, 0x8f, 0x8e, 0xc8, 0x5c, 0xf5,
0x05, 0xeb, 0xfb, 0x0d, 0x7b, 0x2a, 0x93, 0xde,
0x15, 0x0d, 0xc8, 0x13, 0xcf, 0xd2, 0x6f, 0x0d,
0x9d, 0xad, 0x30, 0xe5, 0x70, 0x20, 0x92, 0x9e,
0xb3, 0x6b, 0xba, 0x5c, 0x50, 0x0f, 0xc3, 0xb2,
0x7e, 0x64, 0x07, 0x94, 0x7e, 0xc9, 0x4e, 0xc1,
0x65, 0x04, 0xaf, 0xb3, 0x9f, 0xde, 0xa8, 0x46,
0xfa, 0x6c, 0xf3, 0x03, 0xaf, 0x1c, 0x1b, 0xec,
0x75, 0x44, 0x66, 0x77, 0xc9, 0xde, 0x51, 0x33,
0x64, 0x27, 0xb0, 0xd4, 0x8d, 0x31, 0x6a, 0x11,
0x27, 0x3c, 0x99, 0xd4, 0x22, 0xc0, 0x9d, 0x12,
0x01, 0xc7, 0x4a, 0x73, 0xac, 0xbf, 0xc2, 0xbb
};
static unsigned char E[1] = { 0x03 };
static unsigned char P[64] = {
0xe5, 0x53, 0x1f, 0x88, 0x51, 0xee, 0x59, 0xf8,
0xc1, 0xe4, 0xcc, 0x5b, 0xb3, 0x75, 0x8d, 0xc8,
0xe8, 0x95, 0x2f, 0xd0, 0xef, 0x37, 0xb4, 0xcd,
0xd3, 0x9e, 0x48, 0x8b, 0x81, 0x58, 0x60, 0xb9,
0x27, 0x1d, 0xb6, 0x28, 0x92, 0x64, 0xa3, 0xa5,
0x64, 0xbd, 0xcc, 0x53, 0x68, 0xdd, 0x3e, 0x55,
0xea, 0x9d, 0x5e, 0xcd, 0x1f, 0x96, 0x87, 0xf1,
0x29, 0x75, 0x92, 0x70, 0x8f, 0x28, 0xfb, 0x2b
};
static unsigned char Q[64] = {
0xdb, 0x53, 0xef, 0x74, 0x61, 0xb4, 0x20, 0x3b,
0x3b, 0x87, 0x76, 0x75, 0x81, 0x56, 0x11, 0x03,
0x59, 0x31, 0xe3, 0x38, 0x4b, 0x8c, 0x7a, 0x9c,
0x05, 0xd6, 0x7f, 0x1e, 0x5e, 0x60, 0xf0, 0x4e,
0x0b, 0xdc, 0x34, 0x54, 0x1c, 0x2e, 0x90, 0x83,
0x14, 0xef, 0xc0, 0x96, 0x5c, 0x30, 0x10, 0xcc,
0xc1, 0xba, 0xa0, 0x54, 0x3f, 0x96, 0x24, 0xca,
0xa3, 0xfb, 0x55, 0xbc, 0x71, 0x29, 0x4e, 0xb1
};
unsigned char original[128];
unsigned char intermediate[128];
static unsigned char default_content[128] = {
/* A randomly generated pattern. */
0x4c, 0x27, 0x54, 0xa0, 0xce, 0x0d, 0x09, 0x4a,
0x1c, 0x38, 0x8e, 0x2d, 0xa3, 0xc4, 0xe0, 0x19,
0x4c, 0x99, 0xb2, 0xbf, 0xe6, 0x65, 0x7e, 0x58,
0xd7, 0xb6, 0x8a, 0x05, 0x2f, 0xa5, 0xec, 0xa4,
0x35, 0xad, 0x10, 0x36, 0xff, 0x0d, 0x08, 0x50,
0x74, 0x47, 0xc9, 0x9c, 0x4a, 0xe7, 0xfd, 0xfa,
0x83, 0x5f, 0x14, 0x5a, 0x1e, 0xe7, 0x35, 0x08,
0xad, 0xf7, 0x0d, 0x86, 0xdf, 0xb8, 0xd4, 0xcf,
0x32, 0xb9, 0x5c, 0xbe, 0xa3, 0xd2, 0x89, 0x70,
0x7b, 0xc6, 0x48, 0x7e, 0x58, 0x4d, 0xf3, 0xef,
0x34, 0xb7, 0x57, 0x54, 0x79, 0xc5, 0x8e, 0x0a,
0xa3, 0xbf, 0x6d, 0x42, 0x83, 0x25, 0x13, 0xa2,
0x95, 0xc0, 0x0d, 0x32, 0xec, 0x77, 0x91, 0x2b,
0x68, 0xb6, 0x8c, 0x79, 0x15, 0xfb, 0x94, 0xde,
0xb9, 0x2b, 0x94, 0xb3, 0x28, 0x23, 0x86, 0x3d,
0x37, 0x00, 0xe6, 0xf1, 0x1f, 0x4e, 0xd4, 0x42
};
unsigned char final[128];
size_t output_length = 0x7EA0;
memset( &rnd_info, 0, sizeof( mbedtls_test_rnd_pseudo_info ) );
mbedtls_mpi_init( &Nmpi ); mbedtls_mpi_init( &Empi );
mbedtls_mpi_init( &Pmpi ); mbedtls_mpi_init( &Qmpi );
mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, 0 );
TEST_ASSERT( mbedtls_mpi_read_binary( &Nmpi, N, sizeof( N ) ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_binary( &Empi, E, sizeof( E ) ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_binary( &Pmpi, P, sizeof( P ) ) == 0 );
TEST_ASSERT( mbedtls_mpi_read_binary( &Qmpi, Q, sizeof( Q ) ) == 0 );
TEST_ASSERT( mbedtls_rsa_import( &ctx, &Nmpi, &Pmpi, &Qmpi,
NULL, &Empi ) == 0 );
TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 );
TEST_ASSERT( input->len <= sizeof( N ) );
memcpy( original, input->x, input->len );
memset( original + input->len, 'd', sizeof( original ) - input->len );
if( mode == MBEDTLS_RSA_PRIVATE )
TEST_ASSERT( mbedtls_rsa_public( &ctx, original, intermediate ) == 0 );
else
TEST_ASSERT( mbedtls_rsa_private( &ctx, &mbedtls_test_rnd_pseudo_rand,
&rnd_info, original,
intermediate ) == 0 );
memcpy( final, default_content, sizeof( final ) );
TEST_ASSERT( mbedtls_rsa_pkcs1_decrypt( &ctx,
&mbedtls_test_rnd_pseudo_rand,
&rnd_info, mode, &output_length,
intermediate, final,
output_size ) == expected_result );
if( expected_result == 0 )
{
TEST_ASSERT( output_length == expected_plaintext_length );
TEST_ASSERT( memcmp( original + sizeof( N ) - output_length,
final,
output_length ) == 0 );
}
else if( expected_result == MBEDTLS_ERR_RSA_INVALID_PADDING ||
expected_result == MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE )
{
size_t max_payload_length =
output_size > sizeof( N ) - 11 ? sizeof( N ) - 11 : output_size;
size_t i;
size_t count = 0;
#if !defined(MBEDTLS_RSA_ALT)
/* Check that the output in invalid cases is what the default
* implementation currently does. Alternative implementations
* may produce different output, so we only perform these precise
* checks when using the default implementation. */
TEST_ASSERT( output_length == max_payload_length );
for( i = 0; i < max_payload_length; i++ )
TEST_ASSERT( final[i] == 0 );
#endif
/* Even in alternative implementations, the outputs must have
* changed, otherwise it indicates at least a timing vulnerability
* because no write to the outputs is performed in the bad case. */
TEST_ASSERT( output_length != 0x7EA0 );
for( i = 0; i < max_payload_length; i++ )
count += ( final[i] == default_content[i] );
/* If more than 16 bytes are unchanged in final, that's evidence
* that final wasn't overwritten. */
TEST_ASSERT( count < 16 );
}
exit:
mbedtls_mpi_free( &Nmpi ); mbedtls_mpi_free( &Empi );
mbedtls_mpi_free( &Pmpi ); mbedtls_mpi_free( &Qmpi );
mbedtls_rsa_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE */
void pkcs1_rsassa_v15_sign( int mod, int radix_P, char * input_P, int radix_Q,
char * input_Q, int radix_N, char * input_N,
int radix_E, char * input_E, int digest, int hash,
data_t * message_str, data_t * rnd_buf,
data_t * result_str, int result )
{
unsigned char hash_result[MBEDTLS_MD_MAX_SIZE];
unsigned char output[128];
mbedtls_rsa_context ctx;
mbedtls_mpi N, P, Q, E;
mbedtls_test_rnd_buf_info info;
info.buf = rnd_buf->x;
info.length = rnd_buf->len;
mbedtls_mpi_init( &N ); mbedtls_mpi_init( &P );
mbedtls_mpi_init( &Q ); mbedtls_mpi_init( &E );
mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, hash );
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 );
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_rsa_import( &ctx, &N, &P, &Q, NULL, &E ) == 0 );
TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( ( mod + 7 ) / 8 ) );
TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 );
TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 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_buffer_rand,
&info, MBEDTLS_RSA_PRIVATE, digest,
0, hash_result, output ) == result );
if( result == 0 )
{
TEST_ASSERT( mbedtls_test_hexcmp( output, result_str->x,
ctx.len, result_str->len ) == 0 );
}
exit:
mbedtls_mpi_free( &N ); mbedtls_mpi_free( &P );
mbedtls_mpi_free( &Q ); mbedtls_mpi_free( &E );
mbedtls_rsa_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE */
void pkcs1_rsassa_v15_verify( int mod, int radix_N, char * input_N,
int radix_E, char * input_E, int digest,
int hash, data_t * message_str, char * salt,
data_t * result_str, int result )
{
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_V15, hash );
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 );
TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, NULL, NULL, NULL, &E ) == 0 );
TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( ( mod + 7 ) / 8 ) );
TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == 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, NULL, NULL, MBEDTLS_RSA_PUBLIC, digest, 0, hash_result, result_str->x ) == result );
exit:
mbedtls_mpi_free( &N ); mbedtls_mpi_free( &E );
mbedtls_rsa_free( &ctx );
}
/* END_CASE */
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