Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/des/des.h

-/* 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);
-#ifdef OPENSSL_FIPS
-void private_DES_set_key_unchecked(const_DES_cblock *key,DES_key_schedule *schedule);
-#endif
-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