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mbedtls/tests/suites/test_suite_rsa.function
Paul Bakker 548957dd49 Refactored RSA to have random generator in every RSA operation 
Primarily so that rsa_private() receives an RNG for blinding purposes.
2013-08-30 10:30:02 +02:00

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/* BEGIN_HEADER */
#include <polarssl/rsa.h>
#include <polarssl/md2.h>
#include <polarssl/md4.h>
#include <polarssl/md5.h>
#include <polarssl/sha1.h>
#include <polarssl/sha256.h>
#include <polarssl/sha512.h>
#include <polarssl/entropy.h>
#include <polarssl/ctr_drbg.h>
/* END_HEADER */
/* BEGIN_DEPENDENCIES
* depends_on:POLARSSL_RSA_C:POLARSSL_BIGNUM_C:POLARSSL_GENPRIME
* END_DEPENDENCIES
*/
/* BEGIN_CASE */
void rsa_pkcs1_sign( char *message_hex_string, int padding_mode, int digest,
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, char *result_hex_str, int result )
{
unsigned char message_str[1000];
unsigned char hash_result[1000];
unsigned char output[1000];
unsigned char output_str[1000];
rsa_context ctx;
mpi P1, Q1, H, G;
int msg_len;
rnd_pseudo_info rnd_info;
mpi_init( &P1 ); mpi_init( &Q1 ); mpi_init( &H ); mpi_init( &G );
rsa_init( &ctx, padding_mode, 0 );
memset( message_str, 0x00, 1000 );
memset( hash_result, 0x00, 1000 );
memset( output, 0x00, 1000 );
memset( output_str, 0x00, 1000 );
memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) );
ctx.len = mod / 8;
TEST_ASSERT( mpi_read_string( &ctx.P, radix_P, input_P ) == 0 );
TEST_ASSERT( mpi_read_string( &ctx.Q, radix_Q, input_Q ) == 0 );
TEST_ASSERT( mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
TEST_ASSERT( mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
TEST_ASSERT( mpi_sub_int( &P1, &ctx.P, 1 ) == 0 );
TEST_ASSERT( mpi_sub_int( &Q1, &ctx.Q, 1 ) == 0 );
TEST_ASSERT( mpi_mul_mpi( &H, &P1, &Q1 ) == 0 );
TEST_ASSERT( mpi_gcd( &G, &ctx.E, &H ) == 0 );
TEST_ASSERT( mpi_inv_mod( &ctx.D , &ctx.E, &H ) == 0 );
TEST_ASSERT( mpi_mod_mpi( &ctx.DP, &ctx.D, &P1 ) == 0 );
TEST_ASSERT( mpi_mod_mpi( &ctx.DQ, &ctx.D, &Q1 ) == 0 );
TEST_ASSERT( mpi_inv_mod( &ctx.QP, &ctx.Q, &ctx.P ) == 0 );
TEST_ASSERT( rsa_check_privkey( &ctx ) == 0 );
msg_len = unhexify( message_str, message_hex_string );
if( md_info_from_type( digest ) != NULL )
TEST_ASSERT( md( md_info_from_type( digest ), message_str, msg_len, hash_result ) == 0 );
TEST_ASSERT( rsa_pkcs1_sign( &ctx, &rnd_pseudo_rand, &rnd_info, RSA_PRIVATE, digest, 0, hash_result, output ) == result );
if( result == 0 )
{
hexify( output_str, output, ctx.len );
TEST_ASSERT( strcasecmp( (char *) output_str, result_hex_str ) == 0 );
}
mpi_free( &P1 ); mpi_free( &Q1 ); mpi_free( &H ); mpi_free( &G );
rsa_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE */
void rsa_pkcs1_verify( char *message_hex_string, int padding_mode, int digest,
int mod, int radix_N, char *input_N, int radix_E,
char *input_E, char *result_hex_str, int result )
{
unsigned char message_str[1000];
unsigned char hash_result[1000];
unsigned char result_str[1000];
rsa_context ctx;
int msg_len;
rsa_init( &ctx, padding_mode, 0 );
memset( message_str, 0x00, 1000 );
memset( hash_result, 0x00, 1000 );
memset( result_str, 0x00, 1000 );
ctx.len = mod / 8;
TEST_ASSERT( mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
TEST_ASSERT( mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
TEST_ASSERT( rsa_check_pubkey( &ctx ) == 0 );
msg_len = unhexify( message_str, message_hex_string );
unhexify( result_str, result_hex_str );
if( md_info_from_type( digest ) != NULL )
TEST_ASSERT( md( md_info_from_type( digest ), message_str, msg_len, hash_result ) == 0 );
TEST_ASSERT( rsa_pkcs1_verify( &ctx, NULL, NULL, RSA_PUBLIC, digest, 0, hash_result, result_str ) == result );
rsa_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE */
void rsa_pkcs1_sign_raw( char *message_hex_string, char *hash_result_string,
int padding_mode, 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,
char *result_hex_str )
{
unsigned char message_str[1000];
unsigned char hash_result[1000];
unsigned char output[1000];
unsigned char output_str[1000];
rsa_context ctx;
mpi P1, Q1, H, G;
int hash_len;
rnd_pseudo_info rnd_info;
mpi_init( &P1 ); mpi_init( &Q1 ); mpi_init( &H ); mpi_init( &G );
rsa_init( &ctx, padding_mode, 0 );
memset( message_str, 0x00, 1000 );
memset( hash_result, 0x00, 1000 );
memset( output, 0x00, 1000 );
memset( output_str, 0x00, 1000 );
memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) );
ctx.len = mod / 8;
TEST_ASSERT( mpi_read_string( &ctx.P, radix_P, input_P ) == 0 );
TEST_ASSERT( mpi_read_string( &ctx.Q, radix_Q, input_Q ) == 0 );
TEST_ASSERT( mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
TEST_ASSERT( mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
TEST_ASSERT( mpi_sub_int( &P1, &ctx.P, 1 ) == 0 );
TEST_ASSERT( mpi_sub_int( &Q1, &ctx.Q, 1 ) == 0 );
TEST_ASSERT( mpi_mul_mpi( &H, &P1, &Q1 ) == 0 );
TEST_ASSERT( mpi_gcd( &G, &ctx.E, &H ) == 0 );
TEST_ASSERT( mpi_inv_mod( &ctx.D , &ctx.E, &H ) == 0 );
TEST_ASSERT( mpi_mod_mpi( &ctx.DP, &ctx.D, &P1 ) == 0 );
TEST_ASSERT( mpi_mod_mpi( &ctx.DQ, &ctx.D, &Q1 ) == 0 );
TEST_ASSERT( mpi_inv_mod( &ctx.QP, &ctx.Q, &ctx.P ) == 0 );
TEST_ASSERT( rsa_check_privkey( &ctx ) == 0 );
unhexify( message_str, message_hex_string );
hash_len = unhexify( hash_result, hash_result_string );
TEST_ASSERT( rsa_pkcs1_sign( &ctx, &rnd_pseudo_rand, &rnd_info, RSA_PRIVATE, POLARSSL_MD_NONE, hash_len, hash_result, output ) == 0 );
hexify( output_str, output, ctx.len );
TEST_ASSERT( strcasecmp( (char *) output_str, result_hex_str ) == 0 );
mpi_free( &P1 ); mpi_free( &Q1 ); mpi_free( &H ); mpi_free( &G );
rsa_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE */
void rsa_pkcs1_verify_raw( char *message_hex_string, char *hash_result_string,
int padding_mode, int mod, int radix_N,
char *input_N, int radix_E, char *input_E,
char *result_hex_str, int correct )
{
unsigned char message_str[1000];
unsigned char hash_result[1000];
unsigned char result_str[1000];
rsa_context ctx;
size_t hash_len;
rsa_init( &ctx, padding_mode, 0 );
memset( message_str, 0x00, 1000 );
memset( hash_result, 0x00, 1000 );
memset( result_str, 0x00, 1000 );
ctx.len = mod / 8;
TEST_ASSERT( mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
TEST_ASSERT( mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
TEST_ASSERT( rsa_check_pubkey( &ctx ) == 0 );
unhexify( message_str, message_hex_string );
hash_len = unhexify( hash_result, hash_result_string );
unhexify( result_str, result_hex_str );
TEST_ASSERT( rsa_pkcs1_verify( &ctx, NULL, NULL, RSA_PUBLIC, POLARSSL_MD_NONE, hash_len, hash_result, result_str ) == correct );
rsa_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE */
void rsa_pkcs1_encrypt( char *message_hex_string, int padding_mode, int mod,
int radix_N, char *input_N, int radix_E, char *input_E,
char *result_hex_str, int result )
{
unsigned char message_str[1000];
unsigned char output[1000];
unsigned char output_str[1000];
rsa_context ctx;
size_t msg_len;
rnd_pseudo_info rnd_info;
memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) );
rsa_init( &ctx, padding_mode, 0 );
memset( message_str, 0x00, 1000 );
memset( output, 0x00, 1000 );
memset( output_str, 0x00, 1000 );
ctx.len = mod / 8;
TEST_ASSERT( mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
TEST_ASSERT( mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
TEST_ASSERT( rsa_check_pubkey( &ctx ) == 0 );
msg_len = unhexify( message_str, message_hex_string );
TEST_ASSERT( rsa_pkcs1_encrypt( &ctx, &rnd_pseudo_rand, &rnd_info, RSA_PUBLIC, msg_len, message_str, output ) == result );
if( result == 0 )
{
hexify( output_str, output, ctx.len );
TEST_ASSERT( strcasecmp( (char *) output_str, result_hex_str ) == 0 );
}
rsa_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE */
void rsa_pkcs1_encrypt_bad_rng( char *message_hex_string, int padding_mode,
int mod, int radix_N, char *input_N,
int radix_E, char *input_E,
char *result_hex_str, int result )
{
unsigned char message_str[1000];
unsigned char output[1000];
unsigned char output_str[1000];
rsa_context ctx;
size_t msg_len;
rsa_init( &ctx, padding_mode, 0 );
memset( message_str, 0x00, 1000 );
memset( output, 0x00, 1000 );
memset( output_str, 0x00, 1000 );
ctx.len = mod / 8;
TEST_ASSERT( mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
TEST_ASSERT( mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
TEST_ASSERT( rsa_check_pubkey( &ctx ) == 0 );
msg_len = unhexify( message_str, message_hex_string );
TEST_ASSERT( rsa_pkcs1_encrypt( &ctx, &rnd_zero_rand, NULL, RSA_PUBLIC, msg_len, message_str, output ) == result );
if( result == 0 )
{
hexify( output_str, output, ctx.len );
TEST_ASSERT( strcasecmp( (char *) output_str, result_hex_str ) == 0 );
}
rsa_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE */
void rsa_pkcs1_decrypt( char *message_hex_string, int padding_mode, 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 max_output, char *result_hex_str, int result )
{
unsigned char message_str[1000];
unsigned char output[1000];
unsigned char output_str[1000];
rsa_context ctx;
mpi P1, Q1, H, G;
size_t output_len;
rnd_pseudo_info rnd_info;
mpi_init( &P1 ); mpi_init( &Q1 ); mpi_init( &H ); mpi_init( &G );
rsa_init( &ctx, padding_mode, 0 );
memset( message_str, 0x00, 1000 );
memset( output, 0x00, 1000 );
memset( output_str, 0x00, 1000 );
memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) );
ctx.len = mod / 8;
TEST_ASSERT( mpi_read_string( &ctx.P, radix_P, input_P ) == 0 );
TEST_ASSERT( mpi_read_string( &ctx.Q, radix_Q, input_Q ) == 0 );
TEST_ASSERT( mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
TEST_ASSERT( mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
TEST_ASSERT( mpi_sub_int( &P1, &ctx.P, 1 ) == 0 );
TEST_ASSERT( mpi_sub_int( &Q1, &ctx.Q, 1 ) == 0 );
TEST_ASSERT( mpi_mul_mpi( &H, &P1, &Q1 ) == 0 );
TEST_ASSERT( mpi_gcd( &G, &ctx.E, &H ) == 0 );
TEST_ASSERT( mpi_inv_mod( &ctx.D , &ctx.E, &H ) == 0 );
TEST_ASSERT( mpi_mod_mpi( &ctx.DP, &ctx.D, &P1 ) == 0 );
TEST_ASSERT( mpi_mod_mpi( &ctx.DQ, &ctx.D, &Q1 ) == 0 );
TEST_ASSERT( mpi_inv_mod( &ctx.QP, &ctx.Q, &ctx.P ) == 0 );
TEST_ASSERT( rsa_check_privkey( &ctx ) == 0 );
unhexify( message_str, message_hex_string );
output_len = 0;
TEST_ASSERT( rsa_pkcs1_decrypt( &ctx, rnd_pseudo_rand, &rnd_info, RSA_PRIVATE, &output_len, message_str, output, max_output ) == result );
if( result == 0 )
{
hexify( output_str, output, ctx.len );
TEST_ASSERT( strncasecmp( (char *) output_str, result_hex_str, strlen( result_hex_str ) ) == 0 );
}
mpi_free( &P1 ); mpi_free( &Q1 ); mpi_free( &H ); mpi_free( &G );
rsa_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE */
void rsa_public( char *message_hex_string, int mod, int radix_N, char *input_N,
int radix_E, char *input_E, char *result_hex_str, int result )
{
unsigned char message_str[1000];
unsigned char output[1000];
unsigned char output_str[1000];
rsa_context ctx;
rsa_init( &ctx, RSA_PKCS_V15, 0 );
memset( message_str, 0x00, 1000 );
memset( output, 0x00, 1000 );
memset( output_str, 0x00, 1000 );
ctx.len = mod / 8;
TEST_ASSERT( mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
TEST_ASSERT( mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
TEST_ASSERT( rsa_check_pubkey( &ctx ) == 0 );
unhexify( message_str, message_hex_string );
TEST_ASSERT( rsa_public( &ctx, message_str, output ) == result );
if( result == 0 )
{
hexify( output_str, output, ctx.len );
TEST_ASSERT( strcasecmp( (char *) output_str, result_hex_str ) == 0 );
}
rsa_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE */
void rsa_private( char *message_hex_string, 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, char *result_hex_str, int result )
{
unsigned char message_str[1000];
unsigned char output[1000];
unsigned char output_str[1000];
rsa_context ctx;
mpi P1, Q1, H, G;
rnd_pseudo_info rnd_info;
mpi_init( &P1 ); mpi_init( &Q1 ); mpi_init( &H ); mpi_init( &G );
rsa_init( &ctx, RSA_PKCS_V15, 0 );
memset( message_str, 0x00, 1000 );
memset( output, 0x00, 1000 );
memset( output_str, 0x00, 1000 );
memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) );
ctx.len = mod / 8;
TEST_ASSERT( mpi_read_string( &ctx.P, radix_P, input_P ) == 0 );
TEST_ASSERT( mpi_read_string( &ctx.Q, radix_Q, input_Q ) == 0 );
TEST_ASSERT( mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
TEST_ASSERT( mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
TEST_ASSERT( mpi_sub_int( &P1, &ctx.P, 1 ) == 0 );
TEST_ASSERT( mpi_sub_int( &Q1, &ctx.Q, 1 ) == 0 );
TEST_ASSERT( mpi_mul_mpi( &H, &P1, &Q1 ) == 0 );
TEST_ASSERT( mpi_gcd( &G, &ctx.E, &H ) == 0 );
TEST_ASSERT( mpi_inv_mod( &ctx.D , &ctx.E, &H ) == 0 );
TEST_ASSERT( mpi_mod_mpi( &ctx.DP, &ctx.D, &P1 ) == 0 );
TEST_ASSERT( mpi_mod_mpi( &ctx.DQ, &ctx.D, &Q1 ) == 0 );
TEST_ASSERT( mpi_inv_mod( &ctx.QP, &ctx.Q, &ctx.P ) == 0 );
TEST_ASSERT( rsa_check_privkey( &ctx ) == 0 );
unhexify( message_str, message_hex_string );
TEST_ASSERT( rsa_private( &ctx, rnd_pseudo_rand, &rnd_info, message_str, output ) == result );
if( result == 0 )
{
hexify( output_str, output, ctx.len );
TEST_ASSERT( strcasecmp( (char *) output_str, result_hex_str ) == 0 );
}
mpi_free( &P1 ); mpi_free( &Q1 ); mpi_free( &H ); mpi_free( &G );
rsa_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE */
void rsa_check_privkey_null()
{
rsa_context ctx;
memset( &ctx, 0x00, sizeof( rsa_context ) );
TEST_ASSERT( rsa_check_privkey( &ctx ) == POLARSSL_ERR_RSA_KEY_CHECK_FAILED );
}
/* END_CASE */
/* BEGIN_CASE */
void rsa_check_pubkey( int radix_N, char *input_N, int radix_E, char *input_E,
int result )
{
rsa_context ctx;
rsa_init( &ctx, RSA_PKCS_V15, 0 );
if( strlen( input_N ) )
{
TEST_ASSERT( mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
}
if( strlen( input_E ) )
{
TEST_ASSERT( mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
}
TEST_ASSERT( rsa_check_pubkey( &ctx ) == result );
rsa_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE */
void rsa_check_privkey( 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 radix_D, char *input_D,
int radix_DP, char *input_DP, int radix_DQ,
char *input_DQ, int radix_QP, char *input_QP,
int result )
{
rsa_context ctx;
rsa_init( &ctx, RSA_PKCS_V15, 0 );
ctx.len = mod / 8;
if( strlen( input_P ) )
{
TEST_ASSERT( mpi_read_string( &ctx.P, radix_P, input_P ) == 0 );
}
if( strlen( input_Q ) )
{
TEST_ASSERT( mpi_read_string( &ctx.Q, radix_Q, input_Q ) == 0 );
}
if( strlen( input_N ) )
{
TEST_ASSERT( mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
}
if( strlen( input_E ) )
{
TEST_ASSERT( mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
}
if( strlen( input_D ) )
{
TEST_ASSERT( mpi_read_string( &ctx.D, radix_D, input_D ) == 0 );
}
if( strlen( input_DP ) )
{
TEST_ASSERT( mpi_read_string( &ctx.DP, radix_DP, input_DP ) == 0 );
}
if( strlen( input_DQ ) )
{
TEST_ASSERT( mpi_read_string( &ctx.DQ, radix_DQ, input_DQ ) == 0 );
}
if( strlen( input_QP ) )
{
TEST_ASSERT( mpi_read_string( &ctx.QP, radix_QP, input_QP ) == 0 );
}
TEST_ASSERT( rsa_check_privkey( &ctx ) == result );
rsa_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE */
void rsa_gen_key( int nrbits, int exponent, int result)
{
rsa_context ctx;
entropy_context entropy;
ctr_drbg_context ctr_drbg;
const char *pers = "test_suite_rsa";
entropy_init( &entropy );
TEST_ASSERT( ctr_drbg_init( &ctr_drbg, entropy_func, &entropy,
(const unsigned char *) pers, strlen( pers ) ) == 0 );
rsa_init( &ctx, 0, 0 );
TEST_ASSERT( rsa_gen_key( &ctx, ctr_drbg_random, &ctr_drbg, nrbits, exponent ) == result );
if( result == 0 )
{
TEST_ASSERT( rsa_check_privkey( &ctx ) == 0 );
}
rsa_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE */
void rsa_selftest()
{
TEST_ASSERT( rsa_self_test( 0 ) == 0 );
}
/* END_CASE */
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