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Change the bit to flip to guarantee failure

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For weistrass curves the pair is encoded as 0x04 || x || y.
Flipping one of the bits in the first byte should be a sure failure.
Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
This commit is contained in:
Andrzej Kurek 2022-03-31 07:17:18 -04:00 committed by Andrzej Kurek
parent 39d88d4918
commit cb33bc5d0b
1 changed files with 4 additions and 4 deletions
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8
tests/suites/test_suite_ssl.function
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@ -5654,10 +5654,10 @@ void raw_key_agreement_fail( )
/* Save the number of slots in use up to this point.
* With PSA, one can be used for the ECDH private key. */
free_slots_before = stats.empty_slots;
/* Force a simulated bitflip in the server key. to make the
* raw key agreement in ssl_write_client_key_exchange fail. */
(client.ssl).handshake->ecdh_psa_peerkey[5] ^= 0x02;
(client.ssl).handshake->ecdh_psa_peerkey[0] ^= 0x02;
TEST_ASSERT( mbedtls_move_handshake_to_state( &(client.ssl),
&(server.ssl),
@ -5672,10 +5672,10 @@ void raw_key_agreement_fail( )
exit:
mbedtls_endpoint_free( &client, &client_context );
mbedtls_endpoint_free( &server, &server_context );
mbedtls_psa_get_stats( &stats );
TEST_ASSERT( stats.empty_slots == MBEDTLS_PSA_KEY_SLOT_COUNT );
USE_PSA_DONE( );
}
/* END_CASE */