X-Git-Url: https://git.saurik.com/apple/security.git/blobdiff_plain/80e2389990082500d76eb566d4946be3e786c3ef..d8f41ccd20de16f8ebe2ccc84d47bf1cb2b26bbb:/Security/libsecurity_cryptkit/lib/ckDES.h

diff --git a/Security/libsecurity_cryptkit/lib/ckDES.h b/Security/libsecurity_cryptkit/lib/ckDES.h
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+/* Copyright (c) 1998,2011,2014 Apple Inc.  All Rights Reserved.
+ *
+ * NOTICE: USE OF THE MATERIALS ACCOMPANYING THIS NOTICE IS SUBJECT
+ * TO THE TERMS OF THE SIGNED "FAST ELLIPTIC ENCRYPTION (FEE) REFERENCE
+ * SOURCE CODE EVALUATION AGREEMENT" BETWEEN APPLE, INC. AND THE
+ * ORIGINAL LICENSEE THAT OBTAINED THESE MATERIALS FROM APPLE,
+ * INC.  ANY USE OF THESE MATERIALS NOT PERMITTED BY SUCH AGREEMENT WILL
+ * EXPOSE YOU TO LIABILITY.
+ ***************************************************************************
+ *
+ * DES.h - raw DES encryption engine interface
+ *
+ * Revision History
+ * ----------------
+ * 31 Mar 97 at Apple
+ *	Put per-instance data in struct _desInst
+ * 21 Aug 96 at NeXT
+ *	Broke out from NSDESCryptor.m
+ * 22 Feb 96 at NeXT
+ *	Created.
+ */
+
+#ifndef	_CK_DES_H_
+#define _CK_DES_H_
+
+#include "ckconfig.h"
+
+#if CRYPTKIT_SYMMETRIC_ENABLE
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define DES_BLOCK_SIZE_BYTES		8	/* in bytes */
+#define DES_KEY_SIZE_BITS			56	/* effective key size in bits */
+#define DES_KEY_SIZE_BITS_EXTERNAL	64	/* clients actually pass in this much */
+#define DES_KEY_SIZE_BYTES_EXTERNAL	(DES_KEY_SIZE_BITS_EXTERNAL / 8)
+
+#define DES_MODE_STD	0	/* standard Data Encryption Algorithm */
+#define DES_MODE_FAST	1	/* DEA without initial and final */
+				/*    permutations for speed */
+#define DES_MODE_128	2	/* DEA without permutations and with */
+				/*    128-byte key (completely independent */
+				/*    subkeys for each round) */
+
+/*
+ * Per-instance data.
+ */
+struct _desInst {
+    	/* 8 16-bit subkeys for each of 16 rounds, initialized by setkey()
+    	 */
+	unsigned char kn[16][8];
+	int desmode;
+};
+
+typedef struct _desInst *desInst;
+
+int desinit(desInst dinst, int mode);
+void dessetkey(desInst dinst, char *key);
+void endes(desInst dinst, char *block);
+void dedes(desInst dinst, char *block);
+void desdone(desInst dinst);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* CRYPTKIT_SYMMETRIC_ENABLE */
+
+#endif	/*_CK_DES_H_*/