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Change mac_size parameter in driver_mac_compute to output length

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See #7801 for reference

Signed-off-by: Kusumit Ghoderao <Kusumit.Ghoderao@silabs.com>
This commit is contained in:
Kusumit Ghoderao 2023-06-22 15:42:59 +05:30
parent a2520a5b7e
commit 4536bb6f2b
1 changed files with 4 additions and 1 deletions
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5
library/psa_crypto.c
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@ -5575,11 +5575,14 @@ static psa_status_t psa_key_derivation_pbkdf2_generate_block(
memcpy(U_accumulator, U_i, prf_output_length);
for (i = 1; i < pbkdf2->input_cost; i++) {
/* We are passing prf_output_length as mac_size because the driver
* function directly sets mac_output_length as mac_size upon success.
* See #7801 */
status = psa_driver_wrapper_mac_compute(attributes,
pbkdf2->password,
pbkdf2->password_length,
prf_alg, U_i, prf_output_length,
U_i, sizeof(U_i),
U_i, prf_output_length,
&mac_output_length);
if (status != PSA_SUCCESS) {
goto cleanup;