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Add buffer copying to psa_aead_verify()

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Signed-off-by: David Horstmann <david.horstmann@arm.com>
This commit is contained in:
David Horstmann 2023-12-11 16:37:04 +00:00
parent 6db0e73dc4
commit e000a0aedf
1 changed files with 11 additions and 2 deletions
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13
library/psa_crypto.c
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@ -5246,14 +5246,20 @@ exit:
/* Finish authenticating and decrypting a message in a multipart AEAD
operation.*/
psa_status_t psa_aead_verify(psa_aead_operation_t *operation,
uint8_t *plaintext,
uint8_t *plaintext_external,
size_t plaintext_size,
size_t *plaintext_length,
const uint8_t *tag,
const uint8_t *tag_external,
size_t tag_length)
{
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
LOCAL_OUTPUT_DECLARE(plaintext_external, plaintext);
LOCAL_INPUT_DECLARE(tag_external, tag);
LOCAL_OUTPUT_ALLOC(plaintext_external, plaintext_size, plaintext);
LOCAL_INPUT_ALLOC(tag_external, tag_length, tag);
*plaintext_length = 0;
status = psa_aead_final_checks(operation);
@ -5274,6 +5280,9 @@ psa_status_t psa_aead_verify(psa_aead_operation_t *operation,
exit:
psa_aead_abort(operation);
LOCAL_OUTPUT_FREE(plaintext_external, plaintext);
LOCAL_INPUT_FREE(tag_external, tag);
return status;
}