8a49a019b0
The main goal with these tests is to test the bug in question and they are not meant to test the entire PKCS#1 v1.5 behaviour. To achieve full test coverage, further test cases are needed.
110 lines
4 KiB
Text
110 lines
4 KiB
Text
/* BEGIN_HEADER */
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#include "mbedtls/rsa.h"
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#include "mbedtls/md.h"
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/* END_HEADER */
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/* BEGIN_DEPENDENCIES
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* depends_on:MBEDTLS_PKCS1_V15:MBEDTLS_RSA_C:MBEDTLS_SHA1_C
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* END_DEPENDENCIES
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*/
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/* BEGIN_CASE */
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void pkcs1_rsaes_v15_encrypt( int mod, int radix_N, char *input_N, int radix_E,
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char *input_E, int hash,
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char *message_hex_string, char *seed,
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char *result_hex_str, int result )
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{
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unsigned char message_str[1000];
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unsigned char output[1000];
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unsigned char output_str[1000];
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unsigned char rnd_buf[1000];
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mbedtls_rsa_context ctx;
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size_t msg_len;
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rnd_buf_info info;
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info.length = unhexify( rnd_buf, seed );
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info.buf = rnd_buf;
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mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, hash );
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memset( message_str, 0x00, 1000 );
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memset( output, 0x00, 1000 );
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memset( output_str, 0x00, 1000 );
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ctx.len = mod / 8 + ( ( mod % 8 ) ? 1 : 0 );
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TEST_ASSERT( mbedtls_mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
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TEST_ASSERT( mbedtls_mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
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TEST_ASSERT( mbedtls_rsa_check_pubkey( &ctx ) == 0 );
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msg_len = unhexify( message_str, message_hex_string );
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TEST_ASSERT( mbedtls_rsa_pkcs1_encrypt( &ctx, &rnd_buffer_rand, &info, MBEDTLS_RSA_PUBLIC, msg_len, message_str, output ) == result );
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if( result == 0 )
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{
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hexify( output_str, output, ctx.len );
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TEST_ASSERT( strcasecmp( (char *) output_str, result_hex_str ) == 0 );
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}
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exit:
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mbedtls_rsa_free( &ctx );
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}
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/* END_CASE */
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/* BEGIN_CASE */
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void pkcs1_rsaes_v15_decrypt( int mod, int radix_P, char *input_P,
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int radix_Q, char *input_Q, int radix_N,
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char *input_N, int radix_E, char *input_E,
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int hash, char *result_hex_str, char *seed,
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char *message_hex_string, int result )
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{
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unsigned char message_str[1000];
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unsigned char output[1000];
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unsigned char output_str[1000];
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mbedtls_rsa_context ctx;
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mbedtls_mpi P1, Q1, H, G;
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size_t output_len;
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rnd_pseudo_info rnd_info;
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((void) seed);
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mbedtls_mpi_init( &P1 ); mbedtls_mpi_init( &Q1 ); mbedtls_mpi_init( &H ); mbedtls_mpi_init( &G );
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mbedtls_rsa_init( &ctx, MBEDTLS_RSA_PKCS_V15, hash );
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memset( message_str, 0x00, 1000 );
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memset( output, 0x00, 1000 );
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memset( output_str, 0x00, 1000 );
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memset( &rnd_info, 0, sizeof( rnd_pseudo_info ) );
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ctx.len = mod / 8 + ( ( mod % 8 ) ? 1 : 0 );
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TEST_ASSERT( mbedtls_mpi_read_string( &ctx.P, radix_P, input_P ) == 0 );
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TEST_ASSERT( mbedtls_mpi_read_string( &ctx.Q, radix_Q, input_Q ) == 0 );
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TEST_ASSERT( mbedtls_mpi_read_string( &ctx.N, radix_N, input_N ) == 0 );
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TEST_ASSERT( mbedtls_mpi_read_string( &ctx.E, radix_E, input_E ) == 0 );
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TEST_ASSERT( mbedtls_mpi_sub_int( &P1, &ctx.P, 1 ) == 0 );
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TEST_ASSERT( mbedtls_mpi_sub_int( &Q1, &ctx.Q, 1 ) == 0 );
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TEST_ASSERT( mbedtls_mpi_mul_mpi( &H, &P1, &Q1 ) == 0 );
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TEST_ASSERT( mbedtls_mpi_gcd( &G, &ctx.E, &H ) == 0 );
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TEST_ASSERT( mbedtls_mpi_inv_mod( &ctx.D , &ctx.E, &H ) == 0 );
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TEST_ASSERT( mbedtls_mpi_mod_mpi( &ctx.DP, &ctx.D, &P1 ) == 0 );
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TEST_ASSERT( mbedtls_mpi_mod_mpi( &ctx.DQ, &ctx.D, &Q1 ) == 0 );
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TEST_ASSERT( mbedtls_mpi_inv_mod( &ctx.QP, &ctx.Q, &ctx.P ) == 0 );
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TEST_ASSERT( mbedtls_rsa_check_privkey( &ctx ) == 0 );
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unhexify( message_str, message_hex_string );
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TEST_ASSERT( mbedtls_rsa_pkcs1_decrypt( &ctx, &rnd_pseudo_rand, &rnd_info, MBEDTLS_RSA_PRIVATE, &output_len, message_str, output, 1000 ) == result );
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if( result == 0 )
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{
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hexify( output_str, output, ctx.len );
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TEST_ASSERT( strncasecmp( (char *) output_str, result_hex_str, strlen( result_hex_str ) ) == 0 );
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}
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exit:
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mbedtls_mpi_free( &P1 ); mbedtls_mpi_free( &Q1 ); mbedtls_mpi_free( &H ); mbedtls_mpi_free( &G );
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mbedtls_rsa_free( &ctx );
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}
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/* END_CASE */
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