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Rev: src/nettle/.cvsignore:1.2
Rev: src/nettle/ChangeLog:1.3
Rev: src/nettle/aes.c:1.2
Rev: src/nettle/des.c:1.1
Rev: src/nettle/des.h:1.1
Rev: src/nettle/desCode.h:1.1
Rev: src/nettle/descore.README:1.1
Rev: src/nettle/desdata.c:1.1
Rev: src/nettle/desinfo.h:1.1
Rev: src/nettle/testsuite/.cvsignore:1.2

1 files changed, 68 insertions, 0 deletions

diff --git a/des.h b/des.h
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+/* des.h
+ *
+ * The des block cipher.
+ */
+
+/* nettle, low-level cryptographics library
+ *
+ * Copyright (C) 1992, 2001, Dana L. How, 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 GNU MP 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 GNU MP 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.
+ */
+
+/*
+ *	des - fast & portable DES encryption & decryption.
+ *	Copyright (C) 1992  Dana L. How
+ *	Please see the file `../lib/descore.README' for the complete copyright
+ *	notice.
+ *
+ * Slightly edited by Niels Möller, 1997
+ */
+
+#ifndef NETTLE_DES_H
+#define NETTLE_DES_H
+
+#include <stdint.h>
+
+#define DES_KEY_SIZE 8
+#define DES_BLOCK_SIZE 8
+
+/* Expanded key length */
+#define _DES_KEY_LENGTH 32
+
+enum des_error { DES_OK, DES_BAD_PARITY, DES_WEAK_KEY };
+
+struct des_ctx
+{
+  uint32_t key[_DES_KEY_LENGTH];
+  enum des_error status;
+};
+
+/* On success, returns 1 and sets ctx->status to DES_OK. On error,
+ * returns 0 and sets ctx->status accordingly. */
+int
+des_set_key(struct des_ctx *ctx, const uint8_t *key);
+
+void
+des_encrypt(struct des_ctx *ctx,
+	    unsigned length, uint8_t *dst,
+	    const uint8_t *src);
+void
+des_decrypt(struct des_ctx *ctx,
+	    unsigned length, uint8_t *dst,
+	    const uint8_t *src);
+
+#endif /* NETTLE_DES_H */