From: Miroslav Lichvar <mlichvar@redhat.com>
Date: Mon, 11 Sep 2023 08:45:39 +0000 (+0200)
Subject: cipher: fix AES-SIV-GCM key lengths
X-Git-Tag: 3.8.2~15^2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=cd847bb3a3999655ec0bb085fa08fd7a01a57c8e;p=thirdparty%2Fgnutls.git

cipher: fix AES-SIV-GCM key lengths

Fix provided key lengths of AES-SIV-GCM ciphers, which have halved keys
when compared to AES-SIV-CMAC.

Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
---

diff --git a/lib/algorithms/ciphers.c b/lib/algorithms/ciphers.c
index c3139352fc..4f1222b196 100644
--- a/lib/algorithms/ciphers.c
+++ b/lib/algorithms/ciphers.c
@@ -311,7 +311,7 @@ static const cipher_entry_st algorithms[] = {
 	{ .name = "AES-128-SIV-GCM",
 	  .id = GNUTLS_CIPHER_AES_128_SIV_GCM,
 	  .blocksize = 16,
-	  .keysize = 32,
+	  .keysize = 16,
 	  .type = CIPHER_AEAD,
 	  .explicit_iv = 12,
 	  .cipher_iv = 12,
@@ -320,7 +320,7 @@ static const cipher_entry_st algorithms[] = {
 	{ .name = "AES-256-SIV-GCM",
 	  .id = GNUTLS_CIPHER_AES_256_SIV_GCM,
 	  .blocksize = 16,
-	  .keysize = 64,
+	  .keysize = 32,
 	  .type = CIPHER_AEAD,
 	  .explicit_iv = 12,
 	  .cipher_iv = 12,