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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_DES_H
- #define HEADER_DES_H
-
- #ifdef NO_DES
- #error DES is disabled.
- #endif
-
- #ifdef _KERBEROS_DES_H
- #error <openssl/des.h> replaces <kerberos/des.h>.
- #endif
-
- #include <openssl/opensslconf.h> /* DES_LONG */
- #include <openssl/e_os2.h> /* OPENSSL_EXTERN */
-
- #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_struct
- {
- union {
- des_cblock cblock;
- /* make sure things are correct size on machines with
- * 8 byte longs */
- DES_LONG deslong[2];
- } ks;
- int weak_key;
- } des_key_schedule[16];
-
- #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_EXTERN int des_check_key; /* defaults to false */
- OPENSSL_EXTERN int des_rw_mode; /* defaults to DES_PCBC_MODE */
- OPENSSL_EXTERN int des_set_weak_key_flag; /* set the weak key flag */
-
- 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_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);
-
- void des_xwhite_in2out(const_des_cblock *des_key,const_des_cblock *in_white,
- des_cblock *out_white);
-
- 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);
- #if !defined(PERL5) && !defined(__FreeBSD__) && !defined(NeXT) && !defined(_UWIN)
- char *crypt(const char *buf,const char *salt);
- #endif
- 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);
- void des_random_seed(des_cblock *key);
- int des_random_key(des_cblock *ret);
- 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);
- int des_read_pw_string(char *buf,int length,const char *prompt,int verify);
- 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_pw(char *buf,char *buff,int size,const char *prompt,int verify);
-
- /* The following definitions provide compatibility with the MIT Kerberos
- * library. The des_key_schedule structure is not binary compatible. */
-
- #define _KERBEROS_DES_H
-
- #define KRBDES_ENCRYPT DES_ENCRYPT
- #define KRBDES_DECRYPT DES_DECRYPT
-
- #ifdef KERBEROS
- # define ENCRYPT DES_ENCRYPT
- # define DECRYPT DES_DECRYPT
- #endif
-
- #ifndef NCOMPAT
- # define C_Block des_cblock
- # define Key_schedule des_key_schedule
- # define KEY_SZ DES_KEY_SZ
- # define string_to_key des_string_to_key
- # define read_pw_string des_read_pw_string
- # define random_key des_random_key
- # define pcbc_encrypt des_pcbc_encrypt
- # define set_key des_set_key
- # define key_sched des_key_sched
- # define ecb_encrypt des_ecb_encrypt
- # define cbc_encrypt des_cbc_encrypt
- # define ncbc_encrypt des_ncbc_encrypt
- # define xcbc_encrypt des_xcbc_encrypt
- # define cbc_cksum des_cbc_cksum
- # define quad_cksum des_quad_cksum
- # define check_parity des_check_key_parity
- #endif
-
- typedef des_key_schedule bit_64;
- #define des_fixup_key_parity des_set_odd_parity
-
- #ifdef __cplusplus
- }
- #endif
-
- #endif
-