/* 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 #include #include /* DES_LONG */ typedef unsigned char des_cblock[8]; typedef unsigned char *des_cblocks; /* Unfortunately there's no way to say that we want a multiple of 8 */ typedef struct des_ks_struct { union { des_cblock _; /* make sure things are correct size on machines with * 8 byte longs */ DES_LONG pad[2]; } ks; #undef _ #define _ 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)) #define C_Block des_cblock #define Key_schedule des_key_schedule #ifdef KERBEROS #define ENCRYPT DES_ENCRYPT #define DECRYPT DES_DECRYPT #endif #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 /* For compatibility with the MIT lib - eay 20/05/92 */ typedef des_key_schedule bit_64; #define des_fixup_key_parity des_set_odd_parity #define des_check_key_parity check_parity extern int des_check_key; /* defaults to false */ extern int des_rw_mode; /* defaults to DES_PCBC_MODE */ 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); 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); #if defined(PERL5) || defined(__FreeBSD__) char *des_crypt(const char *buf,const char *salt); #else /* some stupid compilers complain because I have declared char instead * of const char */ #ifdef HEADER_DES_LOCL_H char *crypt(const char *buf,const char *salt); #else char *crypt(); #endif #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_cblocks output, long length,int out_count,des_cblock seed); void des_random_seed(des_cblock key); void 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); int des_set_key(const des_cblock key,des_key_schedule schedule); int des_key_sched(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); #ifdef FreeBSD /* The following functions are not in the normal unix build or the * SSLeay build. When using the SSLeay build, use RAND_seed() * and RAND_bytes() instead. */ int des_new_random_key(des_cblock *key); void des_init_random_number_generator(des_cblock *key); void des_set_random_generator_seed(des_cblock *key); void des_set_sequence_number(des_cblock new_sequence_number); void des_generate_random_block(des_cblock *block); #endif #ifdef __cplusplus } #endif #endif