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Improve error injection in EC J-PAKE tests

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Instead of corrupting the public key part of the message,
corrupt the proof part. A proof is conceptually similar to a signature,
and changing anything in it should make it invalid with 
a high probability.
Also, instead of shifting data, perform a bitflip.
Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
This commit is contained in:
Andrzej Kurek 2022-11-08 08:12:56 -05:00
parent faefe62013
commit c018204019
1 changed files with 4 additions and 4 deletions
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8
tests/suites/test_suite_psa_crypto.function
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@ -790,8 +790,8 @@ static void ecjpake_do_round( psa_algorithm_t alg, unsigned int primitive,
if( inject_error == 1 )
{
buffer0[s_x1_pk_off + 8] >>= 4;
buffer0[s_x2_pk_off + 7] <<= 4;
buffer0[s_x1_pr_off + 8] ^= 1;
buffer0[s_x2_pr_off + 7] ^= 1;
expected_status = PSA_ERROR_DATA_INVALID;
}
@ -1013,8 +1013,8 @@ static void ecjpake_do_round( psa_algorithm_t alg, unsigned int primitive,
if( inject_error == 2 )
{
buffer1[c_x1_pk_off + 12] >>= 4;
buffer1[c_x2_pk_off + 7] <<= 4;
buffer1[c_x1_pr_off + 12] ^= 1;
buffer1[c_x2_pr_off + 7] ^= 1;
expected_status = PSA_ERROR_DATA_INVALID;
}