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Avoid in-out length in dhm_calc_secret()

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This commit is contained in:
Manuel Pégourié-Gonnard 2015-06-02 16:17:08 +01:00
parent f79b425226
commit 3335205a21
9 changed files with 20 additions and 28 deletions
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16
tests/suites/test_suite_dhm.function
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@ -20,8 +20,8 @@ void dhm_do_dhm( int radix_P, char *input_P,
unsigned char sec_cli[1000];
size_t ske_len = 0;
size_t pub_cli_len = 0;
size_t sec_srv_len = 1000;
size_t sec_cli_len = 1000;
size_t sec_srv_len;
size_t sec_cli_len;
int x_size, i;
rnd_pseudo_info rnd_info;
@ -52,8 +52,8 @@ void dhm_do_dhm( int radix_P, char *input_P,
TEST_ASSERT( mbedtls_dhm_make_public( &ctx_cli, x_size, pub_cli, pub_cli_len, &rnd_pseudo_rand, &rnd_info ) == 0 );
TEST_ASSERT( mbedtls_dhm_read_public( &ctx_srv, pub_cli, pub_cli_len ) == 0 );
TEST_ASSERT( mbedtls_dhm_calc_secret( &ctx_srv, sec_srv, &sec_srv_len, &rnd_pseudo_rand, &rnd_info ) == 0 );
TEST_ASSERT( mbedtls_dhm_calc_secret( &ctx_cli, sec_cli, &sec_cli_len, NULL, NULL ) == 0 );
TEST_ASSERT( mbedtls_dhm_calc_secret( &ctx_srv, sec_srv, sizeof( sec_srv ), &sec_srv_len, &rnd_pseudo_rand, &rnd_info ) == 0 );
TEST_ASSERT( mbedtls_dhm_calc_secret( &ctx_cli, sec_cli, sizeof( sec_cli ), &sec_cli_len, NULL, NULL ) == 0 );
TEST_ASSERT( sec_srv_len == sec_cli_len );
TEST_ASSERT( sec_srv_len != 0 );
@ -63,7 +63,7 @@ void dhm_do_dhm( int radix_P, char *input_P,
for( i = 0; i < 3; i++ )
{
sec_srv_len = 1000;
TEST_ASSERT( mbedtls_dhm_calc_secret( &ctx_srv, sec_srv, &sec_srv_len, &rnd_pseudo_rand, &rnd_info ) == 0 );
TEST_ASSERT( mbedtls_dhm_calc_secret( &ctx_srv, sec_srv, sizeof( 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 );
@ -73,8 +73,6 @@ void dhm_do_dhm( int radix_P, char *input_P,
/*
* Second key exchange to test change of blinding values on server
*/
sec_cli_len = 1000;
sec_srv_len = 1000;
p = ske;
TEST_ASSERT( mbedtls_dhm_make_params( &ctx_srv, x_size, ske, &ske_len, &rnd_pseudo_rand, &rnd_info ) == 0 );
@ -85,8 +83,8 @@ void dhm_do_dhm( int radix_P, char *input_P,
TEST_ASSERT( mbedtls_dhm_make_public( &ctx_cli, x_size, pub_cli, pub_cli_len, &rnd_pseudo_rand, &rnd_info ) == 0 );
TEST_ASSERT( mbedtls_dhm_read_public( &ctx_srv, pub_cli, pub_cli_len ) == 0 );
TEST_ASSERT( mbedtls_dhm_calc_secret( &ctx_srv, sec_srv, &sec_srv_len, &rnd_pseudo_rand, &rnd_info ) == 0 );
TEST_ASSERT( mbedtls_dhm_calc_secret( &ctx_cli, sec_cli, &sec_cli_len, NULL, NULL ) == 0 );
TEST_ASSERT( mbedtls_dhm_calc_secret( &ctx_srv, sec_srv, sizeof( sec_srv ), &sec_srv_len, &rnd_pseudo_rand, &rnd_info ) == 0 );
TEST_ASSERT( mbedtls_dhm_calc_secret( &ctx_cli, sec_cli, sizeof( sec_cli ), &sec_cli_len, NULL, NULL ) == 0 );
TEST_ASSERT( sec_srv_len == sec_cli_len );
TEST_ASSERT( sec_srv_len != 0 );