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+/* crypto/des/des.h */
+/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to. The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * "This product includes cryptographic software written by
+ * Eric Young (eay@cryptsoft.com)"
+ * The word 'cryptographic' can be left out if the rouines from the library
+ * being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ * the apps directory (application code) you must include an acknowledgement:
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed. i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#ifndef HEADER_NEW_DES_H
+#define HEADER_NEW_DES_H
+
+#include <openssl/e_os2.h> /* OPENSSL_EXTERN, OPENSSL_NO_DES,
+ DES_LONG (via openssl/opensslconf.h */
+
+#ifdef OPENSSL_NO_DES
+#error DES is disabled.
+#endif
+
+#ifdef OPENSSL_BUILD_SHLIBCRYPTO
+# undef OPENSSL_EXTERN
+# define OPENSSL_EXTERN OPENSSL_EXPORT
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef unsigned char DES_cblock[8];
+typedef /* const */ unsigned char const_DES_cblock[8];
+/* With "const", gcc 2.8.1 on Solaris thinks that DES_cblock *
+ * and const_DES_cblock * are incompatible pointer types. */
+
+typedef struct DES_ks
+ {
+ union
+ {
+ DES_cblock cblock;
+ /* make sure things are correct size on machines with
+ * 8 byte longs */
+ DES_LONG deslong[2];
+ } ks[16];
+ } DES_key_schedule;
+
+#ifndef OPENSSL_DISABLE_OLD_DES_SUPPORT
+# ifndef OPENSSL_ENABLE_OLD_DES_SUPPORT
+# define OPENSSL_ENABLE_OLD_DES_SUPPORT
+# endif
+#endif
+
+#ifdef OPENSSL_ENABLE_OLD_DES_SUPPORT
+# include <openssl/des_old.h>
+#endif
+
+#define DES_KEY_SZ (sizeof(DES_cblock))
+#define DES_SCHEDULE_SZ (sizeof(DES_key_schedule))
+
+#define DES_ENCRYPT 1
+#define DES_DECRYPT 0
+
+#define DES_CBC_MODE 0
+#define DES_PCBC_MODE 1
+
+#define DES_ecb2_encrypt(i,o,k1,k2,e) \
+ DES_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e))
+
+#define DES_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \
+ DES_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e))
+
+#define DES_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \
+ DES_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e))
+
+#define DES_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \
+ DES_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n))
+
+OPENSSL_DECLARE_GLOBAL(int,DES_check_key); /* defaults to false */
+#define DES_check_key OPENSSL_GLOBAL_REF(DES_check_key)
+OPENSSL_DECLARE_GLOBAL(int,DES_rw_mode); /* defaults to DES_PCBC_MODE */
+#define DES_rw_mode OPENSSL_GLOBAL_REF(DES_rw_mode)
+
+const char *DES_options(void);
+void DES_ecb3_encrypt(const_DES_cblock *input, DES_cblock *output,
+ DES_key_schedule *ks1,DES_key_schedule *ks2,
+ DES_key_schedule *ks3, int enc);
+DES_LONG DES_cbc_cksum(const unsigned char *input,DES_cblock *output,
+ long length,DES_key_schedule *schedule,
+ const_DES_cblock *ivec);
+/* DES_cbc_encrypt does not update the IV! Use DES_ncbc_encrypt instead. */
+void DES_cbc_encrypt(const unsigned char *input,unsigned char *output,
+ long length,DES_key_schedule *schedule,DES_cblock *ivec,
+ int enc);
+void DES_ncbc_encrypt(const unsigned char *input,unsigned char *output,
+ long length,DES_key_schedule *schedule,DES_cblock *ivec,
+ int enc);
+void DES_xcbc_encrypt(const unsigned char *input,unsigned char *output,
+ long length,DES_key_schedule *schedule,DES_cblock *ivec,
+ const_DES_cblock *inw,const_DES_cblock *outw,int enc);
+void DES_cfb_encrypt(const unsigned char *in,unsigned char *out,int numbits,
+ long length,DES_key_schedule *schedule,DES_cblock *ivec,
+ int enc);
+void DES_ecb_encrypt(const_DES_cblock *input,DES_cblock *output,
+ DES_key_schedule *ks,int enc);
+
+/* This is the DES encryption function that gets called by just about
+ every other DES routine in the library. You should not use this
+ function except to implement 'modes' of DES. I say this because the
+ functions that call this routine do the conversion from 'char *' to
+ long, and this needs to be done to make sure 'non-aligned' memory
+ access do not occur. The characters are loaded 'little endian'.
+ Data is a pointer to 2 unsigned long's and ks is the
+ DES_key_schedule to use. enc, is non zero specifies encryption,
+ zero if decryption. */
+void DES_encrypt1(DES_LONG *data,DES_key_schedule *ks, int enc);
+
+/* This functions is the same as DES_encrypt1() except that the DES
+ initial permutation (IP) and final permutation (FP) have been left
+ out. As for DES_encrypt1(), you should not use this function.
+ It is used by the routines in the library that implement triple DES.
+ IP() DES_encrypt2() DES_encrypt2() DES_encrypt2() FP() is the same
+ as DES_encrypt1() DES_encrypt1() DES_encrypt1() except faster :-). */
+void DES_encrypt2(DES_LONG *data,DES_key_schedule *ks, int enc);
+
+void DES_encrypt3(DES_LONG *data, DES_key_schedule *ks1,
+ DES_key_schedule *ks2, DES_key_schedule *ks3);
+void DES_decrypt3(DES_LONG *data, DES_key_schedule *ks1,
+ DES_key_schedule *ks2, DES_key_schedule *ks3);
+void DES_ede3_cbc_encrypt(const unsigned char *input,unsigned char *output,
+ long length,
+ DES_key_schedule *ks1,DES_key_schedule *ks2,
+ DES_key_schedule *ks3,DES_cblock *ivec,int enc);
+void DES_ede3_cbcm_encrypt(const unsigned char *in,unsigned char *out,
+ long length,
+ DES_key_schedule *ks1,DES_key_schedule *ks2,
+ DES_key_schedule *ks3,
+ DES_cblock *ivec1,DES_cblock *ivec2,
+ int enc);
+void DES_ede3_cfb64_encrypt(const unsigned char *in,unsigned char *out,
+ long length,DES_key_schedule *ks1,
+ DES_key_schedule *ks2,DES_key_schedule *ks3,
+ DES_cblock *ivec,int *num,int enc);
+void DES_ede3_cfb_encrypt(const unsigned char *in,unsigned char *out,
+ int numbits,long length,DES_key_schedule *ks1,
+ DES_key_schedule *ks2,DES_key_schedule *ks3,
+ DES_cblock *ivec,int enc);
+void DES_ede3_ofb64_encrypt(const unsigned char *in,unsigned char *out,
+ long length,DES_key_schedule *ks1,
+ DES_key_schedule *ks2,DES_key_schedule *ks3,
+ DES_cblock *ivec,int *num);
+#if 0
+void DES_xwhite_in2out(const_DES_cblock *DES_key,const_DES_cblock *in_white,
+ DES_cblock *out_white);
+#endif
+
+int DES_enc_read(int fd,void *buf,int len,DES_key_schedule *sched,
+ DES_cblock *iv);
+int DES_enc_write(int fd,const void *buf,int len,DES_key_schedule *sched,
+ DES_cblock *iv);
+char *DES_fcrypt(const char *buf,const char *salt, char *ret);
+char *DES_crypt(const char *buf,const char *salt);
+void DES_ofb_encrypt(const unsigned char *in,unsigned char *out,int numbits,
+ long length,DES_key_schedule *schedule,DES_cblock *ivec);
+void DES_pcbc_encrypt(const unsigned char *input,unsigned char *output,
+ long length,DES_key_schedule *schedule,DES_cblock *ivec,
+ int enc);
+DES_LONG DES_quad_cksum(const unsigned char *input,DES_cblock output[],
+ long length,int out_count,DES_cblock *seed);
+int DES_random_key(DES_cblock *ret);
+void DES_set_odd_parity(DES_cblock *key);
+int DES_check_key_parity(const_DES_cblock *key);
+int DES_is_weak_key(const_DES_cblock *key);
+/* DES_set_key (= set_key = DES_key_sched = key_sched) calls
+ * DES_set_key_checked if global variable DES_check_key is set,
+ * DES_set_key_unchecked otherwise. */
+int DES_set_key(const_DES_cblock *key,DES_key_schedule *schedule);
+int DES_key_sched(const_DES_cblock *key,DES_key_schedule *schedule);
+int DES_set_key_checked(const_DES_cblock *key,DES_key_schedule *schedule);
+void DES_set_key_unchecked(const_DES_cblock *key,DES_key_schedule *schedule);
+void DES_string_to_key(const char *str,DES_cblock *key);
+void DES_string_to_2keys(const char *str,DES_cblock *key1,DES_cblock *key2);
+void DES_cfb64_encrypt(const unsigned char *in,unsigned char *out,long length,
+ DES_key_schedule *schedule,DES_cblock *ivec,int *num,
+ int enc);
+void DES_ofb64_encrypt(const unsigned char *in,unsigned char *out,long length,
+ DES_key_schedule *schedule,DES_cblock *ivec,int *num);
+
+int DES_read_password(DES_cblock *key, const char *prompt, int verify);
+int DES_read_2passwords(DES_cblock *key1, DES_cblock *key2, const char *prompt,
+ int verify);
+
+#define DES_fixup_key_parity DES_set_odd_parity
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif