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Diffstat (limited to 'crypto/libdes/des.h')
| -rw-r--r-- | crypto/libdes/des.h | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/crypto/libdes/des.h b/crypto/libdes/des.h new file mode 100644 index 0000000..4f451dc --- /dev/null +++ b/crypto/libdes/des.h @@ -0,0 +1,265 @@ +/* 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.] + * + * $FreeBSD$ + */ + +#ifndef HEADER_DES_H +#define HEADER_DES_H + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef NO_DES +#error DES is disabled. +#endif + +/* If this is set to 'unsigned int' on a DEC Alpha, this gives about a + * %20 speed up (longs are 8 bytes, int's are 4). */ +#ifndef DES_LONG +#if defined(__alpha) || defined(__sparcv9) +#define DES_LONG unsigned int +#else /* Not a 64 bit machine */ +#define DES_LONG unsigned long +#endif +#endif + +#include <stdio.h> + +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)) + +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 */ + +#define C_Block des_cblock +#define Key_schedule des_key_schedule +#ifdef KERBEROS +#define ENCRYPT DES_ENCRYPT +#define DECRYPT DES_DECRYPT +#endif + +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); +void des_random_key(des_cblock *ret); +void des_init_random_number_generator(des_cblock *seed); +void des_rand_data(unsigned char *data, int size); +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 <mark@grondar.za> */ +int des_new_random_key(des_cblock *key); +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 |
