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Cover multiple calls to mbedtls_gcm_update_ad in gcm test suite.

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Signed-off-by: Mateusz Starzyk <mateusz.starzyk@mobica.com>
This commit is contained in:
Mateusz Starzyk 2021-05-26 14:26:48 +02:00
parent bd513bb53d
commit 658f4fd6d8
1 changed files with 5 additions and 1 deletions
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6
tests/suites/test_suite_gcm.function
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@ -16,15 +16,19 @@ static int check_multipart( mbedtls_gcm_context *ctx,
int ok = 0; int ok = 0;
uint8_t *output = NULL; uint8_t *output = NULL;
size_t n2 = input->len - n1; size_t n2 = input->len - n1;
size_t n1_add = n1 < add->len ? add->len - n1 : add->len;
size_t n2_add = add->len - n1_add;
size_t olen; size_t olen;
/* Sanity checks on the test data */ /* Sanity checks on the test data */
TEST_ASSERT( n1 <= input->len ); TEST_ASSERT( n1 <= input->len );
TEST_ASSERT( n1_add <= add->len );
TEST_EQUAL( input->len, expected_output->len ); TEST_EQUAL( input->len, expected_output->len );
TEST_EQUAL( 0, mbedtls_gcm_starts( ctx, mode, TEST_EQUAL( 0, mbedtls_gcm_starts( ctx, mode,
iv->x, iv->len ) ); iv->x, iv->len ) );
TEST_EQUAL( 0, mbedtls_gcm_update_ad( ctx, add->x, add->len ) ); TEST_EQUAL( 0, mbedtls_gcm_update_ad( ctx, add->x, n1_add ) );
TEST_EQUAL( 0, mbedtls_gcm_update_ad( ctx, add->x + n1_add, n2_add ) );
/* Allocate a tight buffer for each update call. This way, if the function /* Allocate a tight buffer for each update call. This way, if the function
* tries to write beyond the advertised required buffer size, this will * tries to write beyond the advertised required buffer size, this will