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Source LMOTS data from hsslms

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So it can be reproduced

Signed-off-by: Raef Coles <raef.coles@arm.com>
This commit is contained in:
Raef Coles
2022-10-12 09:28:26 +01:00
parent a6b47c0aac
commit 8b55ba623e
2 changed files with 81 additions and 29 deletions
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25
tests/suites/test_suite_lmots.function
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@@ -76,7 +76,7 @@ exit:
/* BEGIN_CASE */
void lmots_verify_test ( data_t *msg, data_t *sig, data_t *pub_key,
int expected_rc )
int expected_rc )
{
mbedtls_lmots_public_t ctx;
unsigned int size;
@@ -91,17 +91,20 @@ void lmots_verify_test ( data_t *msg, data_t *sig, data_t *pub_key,
/* Test negative cases if the input data is valid */
if( expected_rc == 0 )
{
/* Altering first message byte must cause verification failure */
msg->x[0] ^= 1;
TEST_EQUAL(mbedtls_lmots_verify( &ctx, msg->x, msg->len, sig->x, sig->len ),
MBEDTLS_ERR_LMS_VERIFY_FAILED);
msg->x[0] ^= 1;
if( msg->len >= 1 )
{
/* Altering first message byte must cause verification failure */
msg->x[0] ^= 1;
TEST_EQUAL(mbedtls_lmots_verify( &ctx, msg->x, msg->len, sig->x, sig->len ),
MBEDTLS_ERR_LMS_VERIFY_FAILED);
msg->x[0] ^= 1;
/* Altering last message byte must cause verification failure */
msg->x[msg->len - 1] ^= 1;
TEST_EQUAL(mbedtls_lmots_verify( &ctx, msg->x, msg->len, sig->x, sig->len ),
MBEDTLS_ERR_LMS_VERIFY_FAILED);
msg->x[msg->len - 1] ^= 1;
/* Altering last message byte must cause verification failure */
msg->x[msg->len - 1] ^= 1;
TEST_EQUAL(mbedtls_lmots_verify( &ctx, msg->x, msg->len, sig->x, sig->len ),
MBEDTLS_ERR_LMS_VERIFY_FAILED);
msg->x[msg->len - 1] ^= 1;
}
/* Altering first signature byte must cause verification failure */
sig->x[0] ^= 1;