/* 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 __cplusplus extern "C" { #endif #ifdef NO_DES #error DES is disabled. #endif #ifdef _KERBEROS_DES_H #error replaces . #endif #include #include /* DES_LONG */ #include /* OPENSSL_EXTERN */ 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. * I haven't seen that warning on other systems ... I'll look * what the standard says. */ 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); void des_encrypt(DES_LONG *data,des_key_schedule ks, int enc); 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) 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_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); /* Extra functions from Mark Murray */ void des_cblock_print_file(const_des_cblock *cb, FILE *fp); /* 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 #endif typedef des_key_schedule bit_64; #define des_fixup_key_parity des_set_odd_parity #define des_check_key_parity check_parity #ifdef __cplusplus } #endif #endif