master 5259f144d9: Remove unneeded restriction in using AEAD ciphers with GnuTLS

[Eli Zaretskii]

branch: master
commit 5259f144d95d92dbda3d8db06b4f870bcfbb4a93
Author: Eli Zaretskii <eliz@gnu.org>
Commit: Eli Zaretskii <eliz@gnu.org>

    Remove unneeded restriction in using AEAD ciphers with GnuTLS
    
    * src/gnutls.c (gnutls_symmetric_aead): Disable the enforcement of
    block size on input data.  (Bug#60693)
---
 src/gnutls.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/gnutls.c b/src/gnutls.c
index e8528381ef..ca7e9fc4c7 100644
--- a/src/gnutls.c
+++ b/src/gnutls.c
@@ -2405,6 +2405,9 @@ gnutls_symmetric_aead (bool encrypting, 
gnutls_cipher_algorithm_t gca,
       aead_auth_size = aend_byte - astart_byte;
     }
 
+  /* Only block ciphers require that ISIZE be a multiple of the block
+     size, and AEAD ciphers are not block ciphers.  */
+#if 0
   ptrdiff_t expected_remainder = encrypting ? 0 : cipher_tag_size;
   ptrdiff_t cipher_block_size = gnutls_cipher_get_block_size (gca);
 
@@ -2414,6 +2417,7 @@ gnutls_symmetric_aead (bool encrypting, 
gnutls_cipher_algorithm_t gca,
            "is not %"pD"d greater than a multiple of the required %"pD"d"),
            gnutls_cipher_get_name (gca), desc,
           isize, expected_remainder, cipher_block_size);
+#endif
 
   ret = ((encrypting ? gnutls_aead_cipher_encrypt : gnutls_aead_cipher_decrypt)
         (acipher, vdata, vsize, aead_auth_data, aead_auth_size,