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Fix invocation of gnutls_aead_cipher_encrypt()

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Which was failing with GNUTLS_E_SHORT_MEMORY_BUFFER - The given memory
buffer is too short to hold parameters.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=13352

Signed-off-by: Timur I. Bakeyev <timur@iXsystems.com>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>

Autobuild-User(master): Garming Sam <garming@samba.org>
Autobuild-Date(master): Fri Mar 23 07:25:30 CET 2018 on sn-devel-144
This commit is contained in:
Timur I. Bakeyev 2018-03-22 05:47:58 +01:00 committed by Garming Sam
parent e133490939
commit b9f0c7f93c
1 changed files with 3 additions and 3 deletions
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6
source4/dsdb/samdb/ldb_modules/encrypted_secrets.c
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@ -750,16 +750,16 @@ static struct ldb_val gnutls_encrypt_aead(int *err,
* Encrypt the value.
*/
{
size_t el;
const unsigned block_size = gnutls_cipher_get_tag_size(
const unsigned block_size = gnutls_cipher_get_block_size(
data->encryption_algorithm);
const unsigned tag_size = gnutls_cipher_get_block_size(
const unsigned tag_size = gnutls_cipher_get_tag_size(
data->encryption_algorithm);
const size_t ed_size = round_to_block_size(
block_size,
sizeof(struct PlaintextSecret) + val.length);
const size_t en_size = ed_size + tag_size;
uint8_t *ct = talloc_zero_size(frame, en_size);
size_t el = en_size;
if (ct == NULL) {
ldb_set_errstring(ldb,