1318 lines
44 KiB
Text
1318 lines
44 KiB
Text
/* BEGIN_HEADER */
|
|
#include "mbedtls/rsa.h"
|
|
#include "rsa_alt_helpers.h"
|
|
|
|
#include "legacy_or_psa.h"
|
|
/* END_HEADER */
|
|
|
|
/* BEGIN_DEPENDENCIES
|
|
* depends_on:MBEDTLS_RSA_C:MBEDTLS_BIGNUM_C:MBEDTLS_GENPRIME
|
|
* END_DEPENDENCIES
|
|
*/
|
|
|
|
/* BEGIN_CASE */
|
|
void rsa_invalid_param( )
|
|
{
|
|
mbedtls_rsa_context ctx;
|
|
const int invalid_padding = 42;
|
|
const int invalid_hash_id = 0xff;
|
|
|
|
mbedtls_rsa_init( &ctx );
|
|
|
|
TEST_EQUAL( mbedtls_rsa_set_padding( &ctx,
|
|
invalid_padding,
|
|
MBEDTLS_MD_NONE ),
|
|
MBEDTLS_ERR_RSA_INVALID_PADDING );
|
|
|
|
TEST_EQUAL( mbedtls_rsa_set_padding( &ctx,
|
|
MBEDTLS_RSA_PKCS_V21,
|
|
invalid_hash_id ),
|
|
MBEDTLS_ERR_RSA_INVALID_PADDING );
|
|
|
|
#if !defined(MBEDTLS_PKCS1_V15)
|
|
TEST_EQUAL( mbedtls_rsa_set_padding( &ctx,
|
|
MBEDTLS_RSA_PKCS_V15,
|
|
MBEDTLS_MD_NONE ),
|
|
MBEDTLS_ERR_RSA_INVALID_PADDING );
|
|
#endif
|
|
|
|
#if !defined(MBEDTLS_PKCS1_V21)
|
|
TEST_EQUAL( mbedtls_rsa_set_padding( &ctx,
|
|
MBEDTLS_RSA_PKCS_V21,
|
|
MBEDTLS_MD_NONE ),
|
|
MBEDTLS_ERR_RSA_INVALID_PADDING );
|
|
#endif
|
|
|
|
exit:
|
|
mbedtls_rsa_free( &ctx );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void rsa_init_free( int reinit )
|
|
{
|
|
mbedtls_rsa_context ctx;
|
|
|
|
/* Double free is not explicitly documented to work, but we rely on it
|
|
* even inside the library so that you can call mbedtls_rsa_free()
|
|
* unconditionally on an error path without checking whether it has
|
|
* already been called in the success path. */
|
|
|
|
mbedtls_rsa_init( &ctx );
|
|
mbedtls_rsa_free( &ctx );
|
|
|
|
if( reinit )
|
|
mbedtls_rsa_init( &ctx );
|
|
mbedtls_rsa_free( &ctx );
|
|
|
|
/* This test case always succeeds, functionally speaking. A plausible
|
|
* bug might trigger an invalid pointer dereference or a memory leak. */
|
|
goto exit;
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void mbedtls_rsa_pkcs1_sign( data_t * message_str, int padding_mode,
|
|
int digest, int mod, char * input_P,
|
|
char * input_Q, char * input_N, char * input_E,
|
|
data_t * result_str, int result )
|
|
{
|
|
unsigned char output[256];
|
|
mbedtls_rsa_context ctx;
|
|
mbedtls_mpi N, P, Q, E;
|
|
mbedtls_test_rnd_pseudo_info rnd_info;
|
|
|
|
mbedtls_mpi_init( &N ); mbedtls_mpi_init( &P );
|
|
mbedtls_mpi_init( &Q ); mbedtls_mpi_init( &E );
|
|
mbedtls_rsa_init( &ctx );
|
|
TEST_ASSERT( mbedtls_rsa_set_padding( &ctx,padding_mode,
|
|
MBEDTLS_MD_NONE ) == 0 );
|
|
|
|
memset( output, 0x00, sizeof( output ) );
|
|
memset( &rnd_info, 0, sizeof( mbedtls_test_rnd_pseudo_info ) );
|
|
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &P, input_P ) == 0 );
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &Q, input_Q ) == 0 );
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &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 / 8 ) );
|
|
TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 );
|
|
TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
|
|
|
|
TEST_ASSERT( mbedtls_rsa_pkcs1_sign(
|
|
&ctx, &mbedtls_test_rnd_pseudo_rand, &rnd_info,
|
|
digest, 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( &P );
|
|
mbedtls_mpi_free( &Q ); mbedtls_mpi_free( &E );
|
|
mbedtls_rsa_free( &ctx );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void mbedtls_rsa_pkcs1_verify( data_t * message_str, int padding_mode,
|
|
int digest, int mod,
|
|
char * input_N, char * input_E,
|
|
data_t * result_str, int result )
|
|
{
|
|
mbedtls_rsa_context ctx;
|
|
mbedtls_mpi N, E;
|
|
|
|
mbedtls_mpi_init( &N ); mbedtls_mpi_init( &E );
|
|
mbedtls_rsa_init( &ctx );
|
|
TEST_ASSERT( mbedtls_rsa_set_padding( &ctx, padding_mode,
|
|
MBEDTLS_MD_NONE ) == 0 );
|
|
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &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 / 8 ) );
|
|
TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == 0 );
|
|
|
|
TEST_ASSERT( mbedtls_rsa_pkcs1_verify( &ctx, digest, message_str->len, message_str->x, result_str->x ) == result );
|
|
|
|
exit:
|
|
mbedtls_mpi_free( &N ); mbedtls_mpi_free( &E );
|
|
mbedtls_rsa_free( &ctx );
|
|
}
|
|
/* END_CASE */
|
|
|
|
|
|
/* BEGIN_CASE */
|
|
void rsa_pkcs1_sign_raw( data_t * hash_result,
|
|
int padding_mode, int mod,
|
|
char * input_P, char * input_Q,
|
|
char * input_N, char * input_E,
|
|
data_t * result_str )
|
|
{
|
|
unsigned char output[256];
|
|
mbedtls_rsa_context ctx;
|
|
mbedtls_mpi N, P, Q, E;
|
|
mbedtls_test_rnd_pseudo_info rnd_info;
|
|
|
|
mbedtls_rsa_init( &ctx );
|
|
mbedtls_mpi_init( &N ); mbedtls_mpi_init( &P );
|
|
mbedtls_mpi_init( &Q ); mbedtls_mpi_init( &E );
|
|
|
|
TEST_ASSERT( mbedtls_rsa_set_padding( &ctx, padding_mode,
|
|
MBEDTLS_MD_NONE ) == 0 );
|
|
|
|
memset( output, 0x00, sizeof( output ) );
|
|
memset( &rnd_info, 0, sizeof( mbedtls_test_rnd_pseudo_info ) );
|
|
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &P, input_P ) == 0 );
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &Q, input_Q ) == 0 );
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &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 / 8 ) );
|
|
TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 );
|
|
TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
|
|
|
|
|
|
TEST_ASSERT( mbedtls_rsa_pkcs1_sign( &ctx, &mbedtls_test_rnd_pseudo_rand,
|
|
&rnd_info, MBEDTLS_MD_NONE,
|
|
hash_result->len,
|
|
hash_result->x, output ) == 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 rsa_pkcs1_verify_raw( data_t * hash_result,
|
|
int padding_mode, int mod,
|
|
char * input_N, char * input_E,
|
|
data_t * result_str, int correct )
|
|
{
|
|
unsigned char output[256];
|
|
mbedtls_rsa_context ctx;
|
|
|
|
mbedtls_mpi N, E;
|
|
mbedtls_mpi_init( &N ); mbedtls_mpi_init( &E );
|
|
|
|
mbedtls_rsa_init( &ctx );
|
|
TEST_ASSERT( mbedtls_rsa_set_padding( &ctx, padding_mode,
|
|
MBEDTLS_MD_NONE ) == 0 );
|
|
memset( output, 0x00, sizeof( output ) );
|
|
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &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 / 8 ) );
|
|
TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == 0 );
|
|
|
|
|
|
TEST_ASSERT( mbedtls_rsa_pkcs1_verify( &ctx, MBEDTLS_MD_NONE, hash_result->len, hash_result->x, result_str->x ) == correct );
|
|
|
|
exit:
|
|
mbedtls_mpi_free( &N ); mbedtls_mpi_free( &E );
|
|
mbedtls_rsa_free( &ctx );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void mbedtls_rsa_pkcs1_encrypt( data_t * message_str, int padding_mode,
|
|
int mod, char * input_N, char * input_E,
|
|
data_t * result_str, int result )
|
|
{
|
|
unsigned char output[256];
|
|
mbedtls_rsa_context ctx;
|
|
mbedtls_test_rnd_pseudo_info rnd_info;
|
|
|
|
mbedtls_mpi N, E;
|
|
mbedtls_mpi_init( &N ); mbedtls_mpi_init( &E );
|
|
|
|
memset( &rnd_info, 0, sizeof( mbedtls_test_rnd_pseudo_info ) );
|
|
|
|
mbedtls_rsa_init( &ctx );
|
|
TEST_ASSERT( mbedtls_rsa_set_padding( &ctx, padding_mode,
|
|
MBEDTLS_MD_NONE ) == 0 );
|
|
memset( output, 0x00, sizeof( output ) );
|
|
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &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 / 8 ) );
|
|
TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == 0 );
|
|
|
|
|
|
TEST_ASSERT( mbedtls_rsa_pkcs1_encrypt( &ctx,
|
|
&mbedtls_test_rnd_pseudo_rand,
|
|
&rnd_info, 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 rsa_pkcs1_encrypt_bad_rng( data_t * message_str, int padding_mode,
|
|
int mod, char * input_N, char * input_E,
|
|
data_t * result_str, int result )
|
|
{
|
|
unsigned char output[256];
|
|
mbedtls_rsa_context ctx;
|
|
|
|
mbedtls_mpi N, E;
|
|
|
|
mbedtls_mpi_init( &N ); mbedtls_mpi_init( &E );
|
|
mbedtls_rsa_init( &ctx );
|
|
TEST_ASSERT( mbedtls_rsa_set_padding( &ctx, padding_mode,
|
|
MBEDTLS_MD_NONE ) == 0 );
|
|
memset( output, 0x00, sizeof( output ) );
|
|
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &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 / 8 ) );
|
|
TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == 0 );
|
|
|
|
|
|
TEST_ASSERT( mbedtls_rsa_pkcs1_encrypt( &ctx, &mbedtls_test_rnd_zero_rand,
|
|
NULL, 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 mbedtls_rsa_pkcs1_decrypt( data_t * message_str, int padding_mode,
|
|
int mod, char * input_P,
|
|
char * input_Q, char * input_N,
|
|
char * input_E, int max_output,
|
|
data_t * result_str, int result )
|
|
{
|
|
unsigned char output[32];
|
|
mbedtls_rsa_context ctx;
|
|
size_t output_len;
|
|
mbedtls_test_rnd_pseudo_info rnd_info;
|
|
mbedtls_mpi N, P, Q, E;
|
|
|
|
mbedtls_mpi_init( &N ); mbedtls_mpi_init( &P );
|
|
mbedtls_mpi_init( &Q ); mbedtls_mpi_init( &E );
|
|
|
|
mbedtls_rsa_init( &ctx );
|
|
TEST_ASSERT( mbedtls_rsa_set_padding( &ctx, padding_mode,
|
|
MBEDTLS_MD_NONE ) == 0 );
|
|
|
|
memset( output, 0x00, sizeof( output ) );
|
|
memset( &rnd_info, 0, sizeof( mbedtls_test_rnd_pseudo_info ) );
|
|
|
|
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &P, input_P ) == 0 );
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &Q, input_Q ) == 0 );
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &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 / 8 ) );
|
|
TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 );
|
|
TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
|
|
|
|
output_len = 0;
|
|
|
|
TEST_ASSERT( mbedtls_rsa_pkcs1_decrypt( &ctx, mbedtls_test_rnd_pseudo_rand,
|
|
&rnd_info,
|
|
&output_len, message_str->x, output,
|
|
max_output ) == 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 mbedtls_rsa_public( data_t * message_str, int mod,
|
|
char * input_N, char * input_E,
|
|
data_t * result_str, int result )
|
|
{
|
|
unsigned char output[256];
|
|
mbedtls_rsa_context ctx, ctx2; /* Also test mbedtls_rsa_copy() while at it */
|
|
|
|
mbedtls_mpi N, E;
|
|
|
|
mbedtls_mpi_init( &N ); mbedtls_mpi_init( &E );
|
|
mbedtls_rsa_init( &ctx );
|
|
mbedtls_rsa_init( &ctx2 );
|
|
memset( output, 0x00, sizeof( output ) );
|
|
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
|
|
|
|
TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, NULL, NULL, NULL, &E ) == 0 );
|
|
|
|
/* Check test data consistency */
|
|
TEST_ASSERT( message_str->len == (size_t) ( mod / 8 ) );
|
|
TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod / 8 ) );
|
|
TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == 0 );
|
|
|
|
TEST_ASSERT( mbedtls_rsa_public( &ctx, message_str->x, output ) == result );
|
|
if( result == 0 )
|
|
{
|
|
|
|
TEST_ASSERT( mbedtls_test_hexcmp( output, result_str->x,
|
|
ctx.len, result_str->len ) == 0 );
|
|
}
|
|
|
|
/* And now with the copy */
|
|
TEST_ASSERT( mbedtls_rsa_copy( &ctx2, &ctx ) == 0 );
|
|
/* clear the original to be sure */
|
|
mbedtls_rsa_free( &ctx );
|
|
|
|
TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx2 ) == 0 );
|
|
|
|
memset( output, 0x00, sizeof( output ) );
|
|
TEST_ASSERT( mbedtls_rsa_public( &ctx2, 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 );
|
|
mbedtls_rsa_free( &ctx2 );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void mbedtls_rsa_private( data_t * message_str, int mod,
|
|
char * input_P, char * input_Q,
|
|
char * input_N, char * input_E,
|
|
data_t * result_str, int result )
|
|
{
|
|
unsigned char output[256];
|
|
mbedtls_rsa_context ctx, ctx2; /* Also test mbedtls_rsa_copy() while at it */
|
|
mbedtls_mpi N, P, Q, E;
|
|
mbedtls_test_rnd_pseudo_info rnd_info;
|
|
int i;
|
|
|
|
mbedtls_mpi_init( &N ); mbedtls_mpi_init( &P );
|
|
mbedtls_mpi_init( &Q ); mbedtls_mpi_init( &E );
|
|
mbedtls_rsa_init( &ctx );
|
|
mbedtls_rsa_init( &ctx2 );
|
|
|
|
memset( &rnd_info, 0, sizeof( mbedtls_test_rnd_pseudo_info ) );
|
|
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &P, input_P ) == 0 );
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &Q, input_Q ) == 0 );
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
|
|
|
|
TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, &P, &Q, NULL, &E ) == 0 );
|
|
|
|
/* Check test data consistency */
|
|
TEST_ASSERT( message_str->len == (size_t) ( mod / 8 ) );
|
|
TEST_ASSERT( mbedtls_rsa_get_len( &ctx ) == (size_t) ( mod / 8 ) );
|
|
TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 );
|
|
TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
|
|
|
|
/* repeat three times to test updating of blinding values */
|
|
for( i = 0; i < 3; i++ )
|
|
{
|
|
memset( output, 0x00, sizeof( output ) );
|
|
TEST_ASSERT( mbedtls_rsa_private( &ctx, mbedtls_test_rnd_pseudo_rand,
|
|
&rnd_info, message_str->x,
|
|
output ) == result );
|
|
if( result == 0 )
|
|
{
|
|
|
|
TEST_ASSERT( mbedtls_test_hexcmp( output, result_str->x,
|
|
ctx.len,
|
|
result_str->len ) == 0 );
|
|
}
|
|
}
|
|
|
|
/* And now one more time with the copy */
|
|
TEST_ASSERT( mbedtls_rsa_copy( &ctx2, &ctx ) == 0 );
|
|
/* clear the original to be sure */
|
|
mbedtls_rsa_free( &ctx );
|
|
|
|
TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx2 ) == 0 );
|
|
|
|
memset( output, 0x00, sizeof( output ) );
|
|
TEST_ASSERT( mbedtls_rsa_private( &ctx2, mbedtls_test_rnd_pseudo_rand,
|
|
&rnd_info, message_str->x,
|
|
output ) == result );
|
|
if( result == 0 )
|
|
{
|
|
|
|
TEST_ASSERT( mbedtls_test_hexcmp( output, result_str->x,
|
|
ctx2.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 ); mbedtls_rsa_free( &ctx2 );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void rsa_check_privkey_null( )
|
|
{
|
|
mbedtls_rsa_context ctx;
|
|
memset( &ctx, 0x00, sizeof( mbedtls_rsa_context ) );
|
|
|
|
TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == MBEDTLS_ERR_RSA_KEY_CHECK_FAILED );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void mbedtls_rsa_check_pubkey( char * input_N, char * input_E, int result )
|
|
{
|
|
mbedtls_rsa_context ctx;
|
|
mbedtls_mpi N, E;
|
|
|
|
mbedtls_mpi_init( &N ); mbedtls_mpi_init( &E );
|
|
mbedtls_rsa_init( &ctx );
|
|
|
|
if( strlen( input_N ) )
|
|
{
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
|
|
}
|
|
if( strlen( input_E ) )
|
|
{
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
|
|
}
|
|
|
|
TEST_ASSERT( mbedtls_rsa_import( &ctx, &N, NULL, NULL, NULL, &E ) == 0 );
|
|
TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == result );
|
|
|
|
exit:
|
|
mbedtls_mpi_free( &N ); mbedtls_mpi_free( &E );
|
|
mbedtls_rsa_free( &ctx );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void mbedtls_rsa_check_privkey( int mod, char * input_P, char * input_Q,
|
|
char * input_N, char * input_E, char * input_D,
|
|
char * input_DP, char * input_DQ, char * input_QP,
|
|
int result )
|
|
{
|
|
mbedtls_rsa_context ctx;
|
|
|
|
mbedtls_rsa_init( &ctx );
|
|
|
|
ctx.len = mod / 8;
|
|
if( strlen( input_P ) )
|
|
{
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &ctx.P, input_P ) == 0 );
|
|
}
|
|
if( strlen( input_Q ) )
|
|
{
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &ctx.Q, input_Q ) == 0 );
|
|
}
|
|
if( strlen( input_N ) )
|
|
{
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &ctx.N, input_N ) == 0 );
|
|
}
|
|
if( strlen( input_E ) )
|
|
{
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &ctx.E, input_E ) == 0 );
|
|
}
|
|
if( strlen( input_D ) )
|
|
{
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &ctx.D, input_D ) == 0 );
|
|
}
|
|
#if !defined(MBEDTLS_RSA_NO_CRT)
|
|
if( strlen( input_DP ) )
|
|
{
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &ctx.DP, input_DP ) == 0 );
|
|
}
|
|
if( strlen( input_DQ ) )
|
|
{
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &ctx.DQ, input_DQ ) == 0 );
|
|
}
|
|
if( strlen( input_QP ) )
|
|
{
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &ctx.QP, input_QP ) == 0 );
|
|
}
|
|
#else
|
|
((void) input_DP);
|
|
((void) input_DQ);
|
|
((void) input_QP);
|
|
#endif
|
|
|
|
TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == result );
|
|
|
|
exit:
|
|
mbedtls_rsa_free( &ctx );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void rsa_check_pubpriv( int mod, char * input_Npub, char * input_Epub,
|
|
char * input_P, char * input_Q, char * input_N,
|
|
char * input_E, char * input_D, char * input_DP,
|
|
char * input_DQ, char * input_QP, int result )
|
|
{
|
|
mbedtls_rsa_context pub, prv;
|
|
|
|
mbedtls_rsa_init( &pub );
|
|
mbedtls_rsa_init( &prv );
|
|
|
|
pub.len = mod / 8;
|
|
prv.len = mod / 8;
|
|
|
|
if( strlen( input_Npub ) )
|
|
{
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &pub.N, input_Npub ) == 0 );
|
|
}
|
|
if( strlen( input_Epub ) )
|
|
{
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &pub.E, input_Epub ) == 0 );
|
|
}
|
|
|
|
if( strlen( input_P ) )
|
|
{
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &prv.P, input_P ) == 0 );
|
|
}
|
|
if( strlen( input_Q ) )
|
|
{
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &prv.Q, input_Q ) == 0 );
|
|
}
|
|
if( strlen( input_N ) )
|
|
{
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &prv.N, input_N ) == 0 );
|
|
}
|
|
if( strlen( input_E ) )
|
|
{
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &prv.E, input_E ) == 0 );
|
|
}
|
|
if( strlen( input_D ) )
|
|
{
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &prv.D, input_D ) == 0 );
|
|
}
|
|
#if !defined(MBEDTLS_RSA_NO_CRT)
|
|
if( strlen( input_DP ) )
|
|
{
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &prv.DP, input_DP ) == 0 );
|
|
}
|
|
if( strlen( input_DQ ) )
|
|
{
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &prv.DQ, input_DQ ) == 0 );
|
|
}
|
|
if( strlen( input_QP ) )
|
|
{
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &prv.QP, input_QP ) == 0 );
|
|
}
|
|
#else
|
|
((void) input_DP);
|
|
((void) input_DQ);
|
|
((void) input_QP);
|
|
#endif
|
|
|
|
TEST_ASSERT( mbedtls_rsa_check_pub_priv( &pub, &prv ) == result );
|
|
|
|
exit:
|
|
mbedtls_rsa_free( &pub );
|
|
mbedtls_rsa_free( &prv );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void mbedtls_rsa_gen_key( int nrbits, int exponent, int result)
|
|
{
|
|
mbedtls_rsa_context ctx;
|
|
mbedtls_rsa_init ( &ctx );
|
|
|
|
/* This test uses an insecure RNG, suitable only for testing.
|
|
* In production, always use a cryptographically strong RNG! */
|
|
TEST_ASSERT( mbedtls_rsa_gen_key( &ctx, mbedtls_test_rnd_std_rand, NULL, nrbits, exponent ) == result );
|
|
if( result == 0 )
|
|
{
|
|
TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
|
|
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &ctx.P, &ctx.Q ) > 0 );
|
|
}
|
|
|
|
exit:
|
|
mbedtls_rsa_free( &ctx );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void mbedtls_rsa_deduce_primes( char *input_N,
|
|
char *input_D,
|
|
char *input_E,
|
|
char *output_P,
|
|
char *output_Q,
|
|
int corrupt, int result )
|
|
{
|
|
mbedtls_mpi N, P, Pp, Q, Qp, D, E;
|
|
|
|
mbedtls_mpi_init( &N );
|
|
mbedtls_mpi_init( &P ); mbedtls_mpi_init( &Q );
|
|
mbedtls_mpi_init( &Pp ); mbedtls_mpi_init( &Qp );
|
|
mbedtls_mpi_init( &D ); mbedtls_mpi_init( &E );
|
|
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &D, input_D ) == 0 );
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &Qp, output_P ) == 0 );
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &Pp, output_Q ) == 0 );
|
|
|
|
if( corrupt )
|
|
TEST_ASSERT( mbedtls_mpi_add_int( &D, &D, 2 ) == 0 );
|
|
|
|
/* Try to deduce P, Q from N, D, E only. */
|
|
TEST_ASSERT( mbedtls_rsa_deduce_primes( &N, &D, &E, &P, &Q ) == result );
|
|
|
|
if( !corrupt )
|
|
{
|
|
/* Check if (P,Q) = (Pp, Qp) or (P,Q) = (Qp, Pp) */
|
|
TEST_ASSERT( ( mbedtls_mpi_cmp_mpi( &P, &Pp ) == 0 && mbedtls_mpi_cmp_mpi( &Q, &Qp ) == 0 ) ||
|
|
( mbedtls_mpi_cmp_mpi( &P, &Qp ) == 0 && mbedtls_mpi_cmp_mpi( &Q, &Pp ) == 0 ) );
|
|
}
|
|
|
|
exit:
|
|
mbedtls_mpi_free( &N );
|
|
mbedtls_mpi_free( &P ); mbedtls_mpi_free( &Q );
|
|
mbedtls_mpi_free( &Pp ); mbedtls_mpi_free( &Qp );
|
|
mbedtls_mpi_free( &D ); mbedtls_mpi_free( &E );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void mbedtls_rsa_deduce_private_exponent( char *input_P,
|
|
char *input_Q,
|
|
char *input_E,
|
|
char *output_D,
|
|
int corrupt, int result )
|
|
{
|
|
mbedtls_mpi P, Q, D, Dp, E, R, Rp;
|
|
|
|
mbedtls_mpi_init( &P ); mbedtls_mpi_init( &Q );
|
|
mbedtls_mpi_init( &D ); mbedtls_mpi_init( &Dp );
|
|
mbedtls_mpi_init( &E );
|
|
mbedtls_mpi_init( &R ); mbedtls_mpi_init( &Rp );
|
|
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &P, input_P ) == 0 );
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &Q, input_Q ) == 0 );
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &Dp, output_D ) == 0 );
|
|
|
|
if( corrupt )
|
|
{
|
|
/* Make E even */
|
|
TEST_ASSERT( mbedtls_mpi_set_bit( &E, 0, 0 ) == 0 );
|
|
}
|
|
|
|
/* Try to deduce D from N, P, Q, E. */
|
|
TEST_ASSERT( mbedtls_rsa_deduce_private_exponent( &P, &Q,
|
|
&E, &D ) == result );
|
|
|
|
if( !corrupt )
|
|
{
|
|
/*
|
|
* Check that D and Dp agree modulo LCM(P-1, Q-1).
|
|
*/
|
|
|
|
/* Replace P,Q by P-1, Q-1 */
|
|
TEST_ASSERT( mbedtls_mpi_sub_int( &P, &P, 1 ) == 0 );
|
|
TEST_ASSERT( mbedtls_mpi_sub_int( &Q, &Q, 1 ) == 0 );
|
|
|
|
/* Check D == Dp modulo P-1 */
|
|
TEST_ASSERT( mbedtls_mpi_mod_mpi( &R, &D, &P ) == 0 );
|
|
TEST_ASSERT( mbedtls_mpi_mod_mpi( &Rp, &Dp, &P ) == 0 );
|
|
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R, &Rp ) == 0 );
|
|
|
|
/* Check D == Dp modulo Q-1 */
|
|
TEST_ASSERT( mbedtls_mpi_mod_mpi( &R, &D, &Q ) == 0 );
|
|
TEST_ASSERT( mbedtls_mpi_mod_mpi( &Rp, &Dp, &Q ) == 0 );
|
|
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &R, &Rp ) == 0 );
|
|
}
|
|
|
|
exit:
|
|
|
|
mbedtls_mpi_free( &P ); mbedtls_mpi_free( &Q );
|
|
mbedtls_mpi_free( &D ); mbedtls_mpi_free( &Dp );
|
|
mbedtls_mpi_free( &E );
|
|
mbedtls_mpi_free( &R ); mbedtls_mpi_free( &Rp );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void mbedtls_rsa_import( char *input_N,
|
|
char *input_P,
|
|
char *input_Q,
|
|
char *input_D,
|
|
char *input_E,
|
|
int successive,
|
|
int is_priv,
|
|
int res_check,
|
|
int res_complete )
|
|
{
|
|
mbedtls_mpi N, P, Q, D, E;
|
|
mbedtls_rsa_context ctx;
|
|
|
|
/* Buffers used for encryption-decryption test */
|
|
unsigned char *buf_orig = NULL;
|
|
unsigned char *buf_enc = NULL;
|
|
unsigned char *buf_dec = NULL;
|
|
|
|
const int have_N = ( strlen( input_N ) > 0 );
|
|
const int have_P = ( strlen( input_P ) > 0 );
|
|
const int have_Q = ( strlen( input_Q ) > 0 );
|
|
const int have_D = ( strlen( input_D ) > 0 );
|
|
const int have_E = ( strlen( input_E ) > 0 );
|
|
|
|
mbedtls_rsa_init( &ctx );
|
|
|
|
mbedtls_mpi_init( &N );
|
|
mbedtls_mpi_init( &P ); mbedtls_mpi_init( &Q );
|
|
mbedtls_mpi_init( &D ); mbedtls_mpi_init( &E );
|
|
|
|
if( have_N )
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
|
|
|
|
if( have_P )
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &P, input_P ) == 0 );
|
|
|
|
if( have_Q )
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &Q, input_Q ) == 0 );
|
|
|
|
if( have_D )
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &D, input_D ) == 0 );
|
|
|
|
if( have_E )
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
|
|
|
|
if( !successive )
|
|
{
|
|
TEST_ASSERT( mbedtls_rsa_import( &ctx,
|
|
have_N ? &N : NULL,
|
|
have_P ? &P : NULL,
|
|
have_Q ? &Q : NULL,
|
|
have_D ? &D : NULL,
|
|
have_E ? &E : NULL ) == 0 );
|
|
}
|
|
else
|
|
{
|
|
/* Import N, P, Q, D, E separately.
|
|
* This should make no functional difference. */
|
|
|
|
TEST_ASSERT( mbedtls_rsa_import( &ctx,
|
|
have_N ? &N : NULL,
|
|
NULL, NULL, NULL, NULL ) == 0 );
|
|
|
|
TEST_ASSERT( mbedtls_rsa_import( &ctx,
|
|
NULL,
|
|
have_P ? &P : NULL,
|
|
NULL, NULL, NULL ) == 0 );
|
|
|
|
TEST_ASSERT( mbedtls_rsa_import( &ctx,
|
|
NULL, NULL,
|
|
have_Q ? &Q : NULL,
|
|
NULL, NULL ) == 0 );
|
|
|
|
TEST_ASSERT( mbedtls_rsa_import( &ctx,
|
|
NULL, NULL, NULL,
|
|
have_D ? &D : NULL,
|
|
NULL ) == 0 );
|
|
|
|
TEST_ASSERT( mbedtls_rsa_import( &ctx,
|
|
NULL, NULL, NULL, NULL,
|
|
have_E ? &E : NULL ) == 0 );
|
|
}
|
|
|
|
TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == res_complete );
|
|
|
|
/* On expected success, perform some public and private
|
|
* key operations to check if the key is working properly. */
|
|
if( res_complete == 0 )
|
|
{
|
|
if( is_priv )
|
|
TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == res_check );
|
|
else
|
|
TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == res_check );
|
|
|
|
if( res_check != 0 )
|
|
goto exit;
|
|
|
|
buf_orig = mbedtls_calloc( 1, mbedtls_rsa_get_len( &ctx ) );
|
|
buf_enc = mbedtls_calloc( 1, mbedtls_rsa_get_len( &ctx ) );
|
|
buf_dec = mbedtls_calloc( 1, mbedtls_rsa_get_len( &ctx ) );
|
|
if( buf_orig == NULL || buf_enc == NULL || buf_dec == NULL )
|
|
goto exit;
|
|
|
|
/* This test uses an insecure RNG, suitable only for testing.
|
|
* In production, always use a cryptographically strong RNG! */
|
|
TEST_ASSERT( mbedtls_test_rnd_std_rand( NULL,
|
|
buf_orig, mbedtls_rsa_get_len( &ctx ) ) == 0 );
|
|
|
|
/* Make sure the number we're generating is smaller than the modulus */
|
|
buf_orig[0] = 0x00;
|
|
|
|
TEST_ASSERT( mbedtls_rsa_public( &ctx, buf_orig, buf_enc ) == 0 );
|
|
|
|
if( is_priv )
|
|
{
|
|
/* This test uses an insecure RNG, suitable only for testing.
|
|
* In production, always use a cryptographically strong RNG! */
|
|
TEST_ASSERT( mbedtls_rsa_private( &ctx, mbedtls_test_rnd_std_rand,
|
|
NULL, buf_enc,
|
|
buf_dec ) == 0 );
|
|
|
|
TEST_ASSERT( memcmp( buf_orig, buf_dec,
|
|
mbedtls_rsa_get_len( &ctx ) ) == 0 );
|
|
}
|
|
}
|
|
|
|
exit:
|
|
|
|
mbedtls_free( buf_orig );
|
|
mbedtls_free( buf_enc );
|
|
mbedtls_free( buf_dec );
|
|
|
|
mbedtls_rsa_free( &ctx );
|
|
|
|
mbedtls_mpi_free( &N );
|
|
mbedtls_mpi_free( &P ); mbedtls_mpi_free( &Q );
|
|
mbedtls_mpi_free( &D ); mbedtls_mpi_free( &E );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void mbedtls_rsa_export( char *input_N,
|
|
char *input_P,
|
|
char *input_Q,
|
|
char *input_D,
|
|
char *input_E,
|
|
int is_priv,
|
|
int successive )
|
|
{
|
|
/* Original MPI's with which we set up the RSA context */
|
|
mbedtls_mpi N, P, Q, D, E;
|
|
|
|
/* Exported MPI's */
|
|
mbedtls_mpi Ne, Pe, Qe, De, Ee;
|
|
|
|
const int have_N = ( strlen( input_N ) > 0 );
|
|
const int have_P = ( strlen( input_P ) > 0 );
|
|
const int have_Q = ( strlen( input_Q ) > 0 );
|
|
const int have_D = ( strlen( input_D ) > 0 );
|
|
const int have_E = ( strlen( input_E ) > 0 );
|
|
|
|
mbedtls_rsa_context ctx;
|
|
|
|
mbedtls_rsa_init( &ctx );
|
|
|
|
mbedtls_mpi_init( &N );
|
|
mbedtls_mpi_init( &P ); mbedtls_mpi_init( &Q );
|
|
mbedtls_mpi_init( &D ); mbedtls_mpi_init( &E );
|
|
|
|
mbedtls_mpi_init( &Ne );
|
|
mbedtls_mpi_init( &Pe ); mbedtls_mpi_init( &Qe );
|
|
mbedtls_mpi_init( &De ); mbedtls_mpi_init( &Ee );
|
|
|
|
/* Setup RSA context */
|
|
|
|
if( have_N )
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
|
|
|
|
if( have_P )
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &P, input_P ) == 0 );
|
|
|
|
if( have_Q )
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &Q, input_Q ) == 0 );
|
|
|
|
if( have_D )
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &D, input_D ) == 0 );
|
|
|
|
if( have_E )
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
|
|
|
|
TEST_ASSERT( mbedtls_rsa_import( &ctx,
|
|
strlen( input_N ) ? &N : NULL,
|
|
strlen( input_P ) ? &P : NULL,
|
|
strlen( input_Q ) ? &Q : NULL,
|
|
strlen( input_D ) ? &D : NULL,
|
|
strlen( input_E ) ? &E : NULL ) == 0 );
|
|
|
|
TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 );
|
|
|
|
/*
|
|
* Export parameters and compare to original ones.
|
|
*/
|
|
|
|
/* N and E must always be present. */
|
|
if( !successive )
|
|
{
|
|
TEST_ASSERT( mbedtls_rsa_export( &ctx, &Ne, NULL, NULL, NULL, &Ee ) == 0 );
|
|
}
|
|
else
|
|
{
|
|
TEST_ASSERT( mbedtls_rsa_export( &ctx, &Ne, NULL, NULL, NULL, NULL ) == 0 );
|
|
TEST_ASSERT( mbedtls_rsa_export( &ctx, NULL, NULL, NULL, NULL, &Ee ) == 0 );
|
|
}
|
|
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &N, &Ne ) == 0 );
|
|
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &E, &Ee ) == 0 );
|
|
|
|
/* If we were providing enough information to setup a complete private context,
|
|
* we expect to be able to export all core parameters. */
|
|
|
|
if( is_priv )
|
|
{
|
|
if( !successive )
|
|
{
|
|
TEST_ASSERT( mbedtls_rsa_export( &ctx, NULL, &Pe, &Qe,
|
|
&De, NULL ) == 0 );
|
|
}
|
|
else
|
|
{
|
|
TEST_ASSERT( mbedtls_rsa_export( &ctx, NULL, &Pe, NULL,
|
|
NULL, NULL ) == 0 );
|
|
TEST_ASSERT( mbedtls_rsa_export( &ctx, NULL, NULL, &Qe,
|
|
NULL, NULL ) == 0 );
|
|
TEST_ASSERT( mbedtls_rsa_export( &ctx, NULL, NULL, NULL,
|
|
&De, NULL ) == 0 );
|
|
}
|
|
|
|
if( have_P )
|
|
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &P, &Pe ) == 0 );
|
|
|
|
if( have_Q )
|
|
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &Q, &Qe ) == 0 );
|
|
|
|
if( have_D )
|
|
TEST_ASSERT( mbedtls_mpi_cmp_mpi( &D, &De ) == 0 );
|
|
|
|
/* While at it, perform a sanity check */
|
|
TEST_ASSERT( mbedtls_rsa_validate_params( &Ne, &Pe, &Qe, &De, &Ee,
|
|
NULL, NULL ) == 0 );
|
|
}
|
|
|
|
exit:
|
|
|
|
mbedtls_rsa_free( &ctx );
|
|
|
|
mbedtls_mpi_free( &N );
|
|
mbedtls_mpi_free( &P ); mbedtls_mpi_free( &Q );
|
|
mbedtls_mpi_free( &D ); mbedtls_mpi_free( &E );
|
|
|
|
mbedtls_mpi_free( &Ne );
|
|
mbedtls_mpi_free( &Pe ); mbedtls_mpi_free( &Qe );
|
|
mbedtls_mpi_free( &De ); mbedtls_mpi_free( &Ee );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void mbedtls_rsa_validate_params( char *input_N,
|
|
char *input_P,
|
|
char *input_Q,
|
|
char *input_D,
|
|
char *input_E,
|
|
int prng, int result )
|
|
{
|
|
/* Original MPI's with which we set up the RSA context */
|
|
mbedtls_mpi N, P, Q, D, E;
|
|
|
|
const int have_N = ( strlen( input_N ) > 0 );
|
|
const int have_P = ( strlen( input_P ) > 0 );
|
|
const int have_Q = ( strlen( input_Q ) > 0 );
|
|
const int have_D = ( strlen( input_D ) > 0 );
|
|
const int have_E = ( strlen( input_E ) > 0 );
|
|
|
|
mbedtls_mpi_init( &N );
|
|
mbedtls_mpi_init( &P ); mbedtls_mpi_init( &Q );
|
|
mbedtls_mpi_init( &D ); mbedtls_mpi_init( &E );
|
|
|
|
if( have_N )
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &N, input_N ) == 0 );
|
|
|
|
if( have_P )
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &P, input_P ) == 0 );
|
|
|
|
if( have_Q )
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &Q, input_Q ) == 0 );
|
|
|
|
if( have_D )
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &D, input_D ) == 0 );
|
|
|
|
if( have_E )
|
|
TEST_ASSERT( mbedtls_test_read_mpi( &E, input_E ) == 0 );
|
|
|
|
/* This test uses an insecure RNG, suitable only for testing.
|
|
* In production, always use a cryptographically strong RNG! */
|
|
TEST_ASSERT( mbedtls_rsa_validate_params( have_N ? &N : NULL,
|
|
have_P ? &P : NULL,
|
|
have_Q ? &Q : NULL,
|
|
have_D ? &D : NULL,
|
|
have_E ? &E : NULL,
|
|
prng ? mbedtls_test_rnd_std_rand : NULL,
|
|
prng ? NULL : NULL ) == result );
|
|
|
|
exit:
|
|
mbedtls_mpi_free( &N );
|
|
mbedtls_mpi_free( &P ); mbedtls_mpi_free( &Q );
|
|
mbedtls_mpi_free( &D ); mbedtls_mpi_free( &E );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void mbedtls_rsa_export_raw( data_t *input_N, data_t *input_P,
|
|
data_t *input_Q, data_t *input_D,
|
|
data_t *input_E, int is_priv,
|
|
int successive )
|
|
{
|
|
/* Exported buffers */
|
|
unsigned char bufNe[256];
|
|
unsigned char bufPe[128];
|
|
unsigned char bufQe[128];
|
|
unsigned char bufDe[256];
|
|
unsigned char bufEe[1];
|
|
|
|
mbedtls_rsa_context ctx;
|
|
|
|
mbedtls_rsa_init( &ctx );
|
|
|
|
/* Setup RSA context */
|
|
TEST_ASSERT( mbedtls_rsa_import_raw( &ctx,
|
|
input_N->len ? input_N->x : NULL, input_N->len,
|
|
input_P->len ? input_P->x : NULL, input_P->len,
|
|
input_Q->len ? input_Q->x : NULL, input_Q->len,
|
|
input_D->len ? input_D->x : NULL, input_D->len,
|
|
input_E->len ? input_E->x : NULL, input_E->len ) == 0 );
|
|
|
|
TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == 0 );
|
|
|
|
/*
|
|
* Export parameters and compare to original ones.
|
|
*/
|
|
|
|
/* N and E must always be present. */
|
|
if( !successive )
|
|
{
|
|
TEST_ASSERT( mbedtls_rsa_export_raw( &ctx, bufNe, input_N->len,
|
|
NULL, 0, NULL, 0, NULL, 0,
|
|
bufEe, input_E->len ) == 0 );
|
|
}
|
|
else
|
|
{
|
|
TEST_ASSERT( mbedtls_rsa_export_raw( &ctx, bufNe, input_N->len,
|
|
NULL, 0, NULL, 0, NULL, 0,
|
|
NULL, 0 ) == 0 );
|
|
TEST_ASSERT( mbedtls_rsa_export_raw( &ctx, NULL, 0,
|
|
NULL, 0, NULL, 0, NULL, 0,
|
|
bufEe, input_E->len ) == 0 );
|
|
}
|
|
TEST_ASSERT( memcmp( input_N->x, bufNe, input_N->len ) == 0 );
|
|
TEST_ASSERT( memcmp( input_E->x, bufEe, input_E->len ) == 0 );
|
|
|
|
/* If we were providing enough information to setup a complete private context,
|
|
* we expect to be able to export all core parameters. */
|
|
|
|
if( is_priv )
|
|
{
|
|
if( !successive )
|
|
{
|
|
TEST_ASSERT( mbedtls_rsa_export_raw( &ctx, NULL, 0,
|
|
bufPe, input_P->len ? input_P->len : sizeof( bufPe ),
|
|
bufQe, input_Q->len ? input_Q->len : sizeof( bufQe ),
|
|
bufDe, input_D->len ? input_D->len : sizeof( bufDe ),
|
|
NULL, 0 ) == 0 );
|
|
}
|
|
else
|
|
{
|
|
TEST_ASSERT( mbedtls_rsa_export_raw( &ctx, NULL, 0,
|
|
bufPe, input_P->len ? input_P->len : sizeof( bufPe ),
|
|
NULL, 0, NULL, 0,
|
|
NULL, 0 ) == 0 );
|
|
|
|
TEST_ASSERT( mbedtls_rsa_export_raw( &ctx, NULL, 0, NULL, 0,
|
|
bufQe, input_Q->len ? input_Q->len : sizeof( bufQe ),
|
|
NULL, 0, NULL, 0 ) == 0 );
|
|
|
|
TEST_ASSERT( mbedtls_rsa_export_raw( &ctx, NULL, 0, NULL, 0, NULL, 0,
|
|
bufDe, input_D->len ? input_D->len : sizeof( bufDe ),
|
|
NULL, 0 ) == 0 );
|
|
}
|
|
|
|
if( input_P->len )
|
|
TEST_ASSERT( memcmp( input_P->x, bufPe, input_P->len ) == 0 );
|
|
|
|
if( input_Q->len )
|
|
TEST_ASSERT( memcmp( input_Q->x, bufQe, input_Q->len ) == 0 );
|
|
|
|
if( input_D->len )
|
|
TEST_ASSERT( memcmp( input_D->x, bufDe, input_D->len ) == 0 );
|
|
|
|
}
|
|
|
|
exit:
|
|
mbedtls_rsa_free( &ctx );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE */
|
|
void mbedtls_rsa_import_raw( data_t *input_N,
|
|
data_t *input_P, data_t *input_Q,
|
|
data_t *input_D, data_t *input_E,
|
|
int successive,
|
|
int is_priv,
|
|
int res_check,
|
|
int res_complete )
|
|
{
|
|
/* Buffers used for encryption-decryption test */
|
|
unsigned char *buf_orig = NULL;
|
|
unsigned char *buf_enc = NULL;
|
|
unsigned char *buf_dec = NULL;
|
|
|
|
mbedtls_rsa_context ctx;
|
|
|
|
mbedtls_rsa_init( &ctx );
|
|
|
|
if( !successive )
|
|
{
|
|
TEST_ASSERT( mbedtls_rsa_import_raw( &ctx,
|
|
( input_N->len > 0 ) ? input_N->x : NULL, input_N->len,
|
|
( input_P->len > 0 ) ? input_P->x : NULL, input_P->len,
|
|
( input_Q->len > 0 ) ? input_Q->x : NULL, input_Q->len,
|
|
( input_D->len > 0 ) ? input_D->x : NULL, input_D->len,
|
|
( input_E->len > 0 ) ? input_E->x : NULL, input_E->len ) == 0 );
|
|
}
|
|
else
|
|
{
|
|
/* Import N, P, Q, D, E separately.
|
|
* This should make no functional difference. */
|
|
|
|
TEST_ASSERT( mbedtls_rsa_import_raw( &ctx,
|
|
( input_N->len > 0 ) ? input_N->x : NULL, input_N->len,
|
|
NULL, 0, NULL, 0, NULL, 0, NULL, 0 ) == 0 );
|
|
|
|
TEST_ASSERT( mbedtls_rsa_import_raw( &ctx,
|
|
NULL, 0,
|
|
( input_P->len > 0 ) ? input_P->x : NULL, input_P->len,
|
|
NULL, 0, NULL, 0, NULL, 0 ) == 0 );
|
|
|
|
TEST_ASSERT( mbedtls_rsa_import_raw( &ctx,
|
|
NULL, 0, NULL, 0,
|
|
( input_Q->len > 0 ) ? input_Q->x : NULL, input_Q->len,
|
|
NULL, 0, NULL, 0 ) == 0 );
|
|
|
|
TEST_ASSERT( mbedtls_rsa_import_raw( &ctx,
|
|
NULL, 0, NULL, 0, NULL, 0,
|
|
( input_D->len > 0 ) ? input_D->x : NULL, input_D->len,
|
|
NULL, 0 ) == 0 );
|
|
|
|
TEST_ASSERT( mbedtls_rsa_import_raw( &ctx,
|
|
NULL, 0, NULL, 0, NULL, 0, NULL, 0,
|
|
( input_E->len > 0 ) ? input_E->x : NULL, input_E->len ) == 0 );
|
|
}
|
|
|
|
TEST_ASSERT( mbedtls_rsa_complete( &ctx ) == res_complete );
|
|
|
|
/* On expected success, perform some public and private
|
|
* key operations to check if the key is working properly. */
|
|
if( res_complete == 0 )
|
|
{
|
|
if( is_priv )
|
|
TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == res_check );
|
|
else
|
|
TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == res_check );
|
|
|
|
if( res_check != 0 )
|
|
goto exit;
|
|
|
|
buf_orig = mbedtls_calloc( 1, mbedtls_rsa_get_len( &ctx ) );
|
|
buf_enc = mbedtls_calloc( 1, mbedtls_rsa_get_len( &ctx ) );
|
|
buf_dec = mbedtls_calloc( 1, mbedtls_rsa_get_len( &ctx ) );
|
|
if( buf_orig == NULL || buf_enc == NULL || buf_dec == NULL )
|
|
goto exit;
|
|
|
|
/* This test uses an insecure RNG, suitable only for testing.
|
|
* In production, always use a cryptographically strong RNG! */
|
|
TEST_ASSERT( mbedtls_test_rnd_std_rand( NULL,
|
|
buf_orig, mbedtls_rsa_get_len( &ctx ) ) == 0 );
|
|
|
|
/* Make sure the number we're generating is smaller than the modulus */
|
|
buf_orig[0] = 0x00;
|
|
|
|
TEST_ASSERT( mbedtls_rsa_public( &ctx, buf_orig, buf_enc ) == 0 );
|
|
|
|
if( is_priv )
|
|
{
|
|
/* This test uses an insecure RNG, suitable only for testing.
|
|
* In production, always use a cryptographically strong RNG! */
|
|
TEST_ASSERT( mbedtls_rsa_private( &ctx, mbedtls_test_rnd_std_rand,
|
|
NULL, buf_enc,
|
|
buf_dec ) == 0 );
|
|
|
|
TEST_ASSERT( memcmp( buf_orig, buf_dec,
|
|
mbedtls_rsa_get_len( &ctx ) ) == 0 );
|
|
}
|
|
}
|
|
|
|
exit:
|
|
|
|
mbedtls_free( buf_orig );
|
|
mbedtls_free( buf_enc );
|
|
mbedtls_free( buf_dec );
|
|
|
|
mbedtls_rsa_free( &ctx );
|
|
}
|
|
/* END_CASE */
|
|
|
|
/* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
|
|
void rsa_selftest( )
|
|
{
|
|
TEST_ASSERT( mbedtls_rsa_self_test( 1 ) == 0 );
|
|
}
|
|
/* END_CASE */
|