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Add output parameter for psa_aead_verify

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Like psa_aead_finish(), psa_aead_verify() needs to produce output from
the last partial block of input if psa_aead_update() cannot produce
output byte by byte.
This commit is contained in:
Gilles Peskine 2019-05-06 15:56:05 +02:00
parent bdc27860c2
commit 5211efb317
1 changed files with 11 additions and 0 deletions
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11
include/psa/crypto.h
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@ -2602,6 +2602,14 @@ psa_status_t psa_aead_finish(psa_aead_operation_t *operation,
* When this function returns, the operation becomes inactive.
*
* \param[in,out] operation Active AEAD operation.
* \param[out] plaintext Buffer where the last part of the plaintext
* is to be written. This is the remaining
* from previous calls to psa_aead_update()
* that could not be processed until the end
* of the input.
* \param plaintext_size Size of the \p plaintext buffer in bytes.
* \param[out] plaintext_length On success, the number of bytes of
* returned plaintext.
* \param[in] tag Buffer containing the authentication tag.
* \param tag_length Size of the \p tag buffer in bytes.
*
@ -2624,6 +2632,9 @@ psa_status_t psa_aead_finish(psa_aead_operation_t *operation,
* \retval #PSA_ERROR_TAMPERING_DETECTED
*/
psa_status_t psa_aead_verify(psa_aead_operation_t *operation,
uint8_t *plaintext,
size_t plaintext_size,
size_t *plaintext_length,
const uint8_t *tag,
size_t tag_length);