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Simplify usage of DHM blinding

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This commit is contained in:
Manuel Pégourié-Gonnard
2013-09-17 11:34:11 +02:00
committed by Paul Bakker
parent c83e418149
commit 15d5de1969
8 changed files with 62 additions and 57 deletions
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17
tests/suites/test_suite_dhm.function
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@ -22,7 +22,7 @@ void dhm_do_dhm( int radix_P, char *input_P,
size_t pub_cli_len = 0;
size_t sec_srv_len = 1000;
size_t sec_cli_len = 1000;
int x_size;
int x_size, i;
rnd_pseudo_info rnd_info;
memset( &ctx_srv, 0x00, sizeof( dhm_context ) );
@ -59,13 +59,16 @@ void dhm_do_dhm( int radix_P, char *input_P,
TEST_ASSERT( sec_srv_len != 0 );
TEST_ASSERT( memcmp( sec_srv, sec_cli, sec_srv_len ) == 0 );
/* Re-do calc_secret on server to test update of blinding values */
sec_srv_len = 1000;
TEST_ASSERT( dhm_calc_secret( &ctx_srv, sec_srv, &sec_srv_len, &rnd_pseudo_rand, &rnd_info ) == 0 );
/* Re-do calc_secret on server a few times to test update of blinding values */
for( i = 0; i < 3; i++ )
{
sec_srv_len = 1000;
TEST_ASSERT( dhm_calc_secret( &ctx_srv, sec_srv, &sec_srv_len, &rnd_pseudo_rand, &rnd_info ) == 0 );
TEST_ASSERT( sec_srv_len == sec_cli_len );
TEST_ASSERT( sec_srv_len != 0 );
TEST_ASSERT( memcmp( sec_srv, sec_cli, sec_srv_len ) == 0 );
TEST_ASSERT( sec_srv_len == sec_cli_len );
TEST_ASSERT( sec_srv_len != 0 );
TEST_ASSERT( memcmp( sec_srv, sec_cli, sec_srv_len ) == 0 );
}
/*
* Second key exchange to test change of blinding values on server