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<p>gnutls_aead_cipher_decrypt() should mention that the tag needs to be appended to the ctext and the tag_size will define the size of it.</p>
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<p dir="auto">That's tricky. As I said not all AEAD ciphers append the authentication tag in the end of the ciphertext.
I've made some clarifications in <a href="https://gitlab.com/gnutls/gnutls/merge_requests/941" data-original="!941" data-link="false" data-link-reference="false" data-project="179611" data-merge-request="24869653" data-reference-type="merge_request" data-container="body" data-placement="bottom" title="Improve documentation for gnutls_cipher_get_iv_size" class="gfm gfm-merge_request has-tooltip">!941</a> ; I'd appreciate if you could check them, and propose some update if they are not enough.</p>
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