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Refactored RSA to have random generator in every RSA operation

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Primarily so that rsa_private() receives an RNG for blinding purposes.
This commit is contained in:
Paul Bakker 2013-08-30 10:30:02 +02:00
parent ca174fef80
commit 548957dd49
11 changed files with 132 additions and 49 deletions
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8
tests/suites/test_suite_pkcs1_v21.function
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@ -69,6 +69,7 @@ void pkcs1_rsaes_oaep_decrypt( int mod, int radix_P, char *input_P,
rsa_context ctx;
mpi P1, Q1, H, G;
size_t output_len;
rnd_pseudo_info rnd_info;
((void) seed);
mpi_init( &P1 ); mpi_init( &Q1 ); mpi_init( &H ); mpi_init( &G );
@ -77,13 +78,14 @@ void pkcs1_rsaes_oaep_decrypt( int mod, int radix_P, char *input_P,
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 + ( ( mod % 8 ) ? 1 : 0 );
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 );
@ -97,7 +99,7 @@ void pkcs1_rsaes_oaep_decrypt( int mod, int radix_P, char *input_P,
unhexify( message_str, message_hex_string );
TEST_ASSERT( rsa_pkcs1_decrypt( &ctx, RSA_PRIVATE, &output_len, message_str, output, 1000 ) == result );
TEST_ASSERT( rsa_pkcs1_decrypt( &ctx, &rnd_pseudo_rand, &rnd_info, RSA_PRIVATE, &output_len, message_str, output, 1000 ) == result );
if( result == 0 )
{
hexify( output_str, output, ctx.len );
@ -203,7 +205,7 @@ void pkcs1_rsassa_pss_verify( int mod, int radix_N, char *input_N, int radix_E,
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, RSA_PUBLIC, digest, 0, hash_result, result_str ) == result );
TEST_ASSERT( rsa_pkcs1_verify( &ctx, NULL, NULL, RSA_PUBLIC, digest, 0, hash_result, result_str ) == result );
rsa_free( &ctx );
}