mirror of
https://github.com/yuzu-emu/mbedtls.git
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129 lines
4 KiB
Plaintext
129 lines
4 KiB
Plaintext
/* BEGIN_HEADER */
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#include <polarssl/dhm.h>
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/* END_HEADER */
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/* BEGIN_DEPENDENCIES
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* depends_on:POLARSSL_DHM_C:POLARSSL_BIGNUM_C
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* END_DEPENDENCIES
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*/
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/* BEGIN_CASE */
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void dhm_do_dhm( int radix_P, char *input_P,
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int radix_G, char *input_G )
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{
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dhm_context ctx_srv;
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dhm_context ctx_cli;
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unsigned char ske[1000];
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unsigned char *p = ske;
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unsigned char pub_cli[1000];
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unsigned char sec_srv[1000];
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unsigned char sec_cli[1000];
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size_t ske_len = 0;
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size_t pub_cli_len = 0;
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size_t sec_srv_len = 1000;
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size_t sec_cli_len = 1000;
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int x_size, i;
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rnd_pseudo_info rnd_info;
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dhm_init( &ctx_srv );
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dhm_init( &ctx_cli );
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memset( ske, 0x00, 1000 );
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memset( pub_cli, 0x00, 1000 );
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memset( sec_srv, 0x00, 1000 );
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memset( sec_cli, 0x00, 1000 );
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memset( &rnd_info, 0x00, sizeof( rnd_pseudo_info ) );
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/*
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* Set params
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*/
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TEST_ASSERT( mpi_read_string( &ctx_srv.P, radix_P, input_P ) == 0 );
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TEST_ASSERT( mpi_read_string( &ctx_srv.G, radix_G, input_G ) == 0 );
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x_size = mpi_size( &ctx_srv.P );
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pub_cli_len = x_size;
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/*
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* First key exchange
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*/
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TEST_ASSERT( dhm_make_params( &ctx_srv, x_size, ske, &ske_len, &rnd_pseudo_rand, &rnd_info ) == 0 );
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ske[ske_len++] = 0;
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ske[ske_len++] = 0;
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TEST_ASSERT( dhm_read_params( &ctx_cli, &p, ske + ske_len ) == 0 );
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TEST_ASSERT( dhm_make_public( &ctx_cli, x_size, pub_cli, pub_cli_len, &rnd_pseudo_rand, &rnd_info ) == 0 );
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TEST_ASSERT( dhm_read_public( &ctx_srv, pub_cli, pub_cli_len ) == 0 );
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TEST_ASSERT( dhm_calc_secret( &ctx_srv, sec_srv, &sec_srv_len, &rnd_pseudo_rand, &rnd_info ) == 0 );
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TEST_ASSERT( dhm_calc_secret( &ctx_cli, sec_cli, &sec_cli_len, NULL, NULL ) == 0 );
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TEST_ASSERT( sec_srv_len == sec_cli_len );
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TEST_ASSERT( sec_srv_len != 0 );
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TEST_ASSERT( memcmp( sec_srv, sec_cli, sec_srv_len ) == 0 );
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/* Re-do calc_secret on server a few times to test update of blinding values */
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for( i = 0; i < 3; i++ )
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{
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sec_srv_len = 1000;
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TEST_ASSERT( dhm_calc_secret( &ctx_srv, sec_srv, &sec_srv_len, &rnd_pseudo_rand, &rnd_info ) == 0 );
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TEST_ASSERT( sec_srv_len == sec_cli_len );
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TEST_ASSERT( sec_srv_len != 0 );
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TEST_ASSERT( memcmp( sec_srv, sec_cli, sec_srv_len ) == 0 );
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}
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/*
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* Second key exchange to test change of blinding values on server
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*/
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sec_cli_len = 1000;
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sec_srv_len = 1000;
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p = ske;
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TEST_ASSERT( dhm_make_params( &ctx_srv, x_size, ske, &ske_len, &rnd_pseudo_rand, &rnd_info ) == 0 );
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ske[ske_len++] = 0;
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ske[ske_len++] = 0;
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TEST_ASSERT( dhm_read_params( &ctx_cli, &p, ske + ske_len ) == 0 );
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TEST_ASSERT( dhm_make_public( &ctx_cli, x_size, pub_cli, pub_cli_len, &rnd_pseudo_rand, &rnd_info ) == 0 );
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TEST_ASSERT( dhm_read_public( &ctx_srv, pub_cli, pub_cli_len ) == 0 );
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TEST_ASSERT( dhm_calc_secret( &ctx_srv, sec_srv, &sec_srv_len, &rnd_pseudo_rand, &rnd_info ) == 0 );
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TEST_ASSERT( dhm_calc_secret( &ctx_cli, sec_cli, &sec_cli_len, NULL, NULL ) == 0 );
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TEST_ASSERT( sec_srv_len == sec_cli_len );
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TEST_ASSERT( sec_srv_len != 0 );
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TEST_ASSERT( memcmp( sec_srv, sec_cli, sec_srv_len ) == 0 );
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dhm_free( &ctx_srv );
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dhm_free( &ctx_cli );
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:POLARSSL_FS_IO */
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void dhm_file( char *filename, char *p, char *g, int len )
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{
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dhm_context ctx;
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mpi P, G;
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dhm_init( &ctx );
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mpi_init( &P ); mpi_init( &G );
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TEST_ASSERT( mpi_read_string( &P, 16, p ) == 0 );
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TEST_ASSERT( mpi_read_string( &G, 16, g ) == 0 );
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TEST_ASSERT( dhm_parse_dhmfile( &ctx, filename ) == 0 );
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TEST_ASSERT( ctx.len == (size_t) len );
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TEST_ASSERT( mpi_cmp_mpi( &ctx.P, &P ) == 0 );
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TEST_ASSERT( mpi_cmp_mpi( &ctx.G, &G ) == 0 );
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mpi_free( &P ); mpi_free( &G );
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dhm_free( &ctx );
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}
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/* END_CASE */
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/* BEGIN_CASE depends_on:POLARSSL_SELF_TEST */
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void dhm_selftest()
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{
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TEST_ASSERT( dhm_self_test( 0 ) == 0 );
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}
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/* END_CASE */
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