From 6c9a9dcff447483cd4e4a11a924e51bbca5b8fc9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Niels=20M=C3=B6ller?= <nisse@lysator.liu.se>
Date: Wed, 9 Feb 2011 22:31:20 +0100
Subject: [PATCH] New file. (gcm_aes_set_key): New function. (gcm_aes_set_iv):
Likewise. (gcm_aes_auth): Likewise. (gcm_aes_encrypt): Likewise.
(gcm_aes_decrypt): Likewise. (gcm_aes_digest): Likewise.
Rev: nettle/gcm-aes.c:1.1
---
gcm-aes.c | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 74 insertions(+)
create mode 100644 gcm-aes.c
diff --git a/gcm-aes.c b/gcm-aes.c
new file mode 100644
index 00000000..b4fabf75
--- /dev/null
+++ b/gcm-aes.c
@@ -0,0 +1,74 @@
+/* gcm_aes.c
+ *
+ * Galois counter mode using AES as the underlying cipher.
+ */
+
+/* nettle, low-level cryptographics library
+ *
+ * Copyright (C) 2011 Niels Möller
+ *
+ * The nettle library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or (at your
+ * option) any later version.
+ *
+ * The nettle library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with the nettle library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ */
+
+#include "gcm.h"
+
+void
+gcm_aes_set_key(struct gcm_aes_ctx *ctx, unsigned length, const uint8_t *key)
+{
+ GCM_SET_KEY(ctx, aes_set_encrypt_key, (nettle_crypt_func *) aes_encrypt,
+ length, key);
+}
+
+void
+gcm_aes_set_iv(struct gcm_aes_ctx *ctx,
+ unsigned length, const uint8_t *iv)
+{
+ gcm_set_iv(&ctx->gcm, length, iv);
+}
+
+/* FIXME: Rename to gcm_aes_update, for consistency with other hash
+ and mac functions? */
+void
+gcm_aes_auth(struct gcm_aes_ctx *ctx, unsigned length, const uint8_t *data)
+{
+ GCM_AUTH(ctx, (nettle_crypt_func *) aes_encrypt,
+ length, data);
+}
+
+void
+gcm_aes_encrypt(struct gcm_aes_ctx *ctx,
+ unsigned length, uint8_t *dst, const uint8_t *src)
+{
+ GCM_ENCRYPT(ctx, (nettle_crypt_func *) aes_encrypt,
+ length, dst, src);
+}
+
+void
+gcm_aes_decrypt(struct gcm_aes_ctx *ctx,
+ unsigned length, uint8_t *dst, const uint8_t *src)
+{
+ GCM_DECRYPT(ctx, (nettle_crypt_func *) aes_encrypt,
+ length, dst, src);
+}
+
+void
+gcm_aes_digest(struct gcm_aes_ctx *ctx,
+ unsigned length, uint8_t *digest)
+{
+ GCM_DIGEST(ctx, (nettle_crypt_func *) aes_encrypt,
+ length, digest);
+
+}
--
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