Annotation of sys/crypto/des.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: des.h,v 1.3 2005/06/13 10:56:44 hshoexer Exp $ */
! 2:
! 3: /* lib/des/des.h */
! 4: /* Copyright (C) 1995 Eric Young (eay@mincom.oz.au)
! 5: * All rights reserved.
! 6: *
! 7: * This file is part of an SSL implementation written
! 8: * by Eric Young (eay@mincom.oz.au).
! 9: * The implementation was written so as to conform with Netscapes SSL
! 10: * specification. This library and applications are
! 11: * FREE FOR COMMERCIAL AND NON-COMMERCIAL USE
! 12: * as long as the following conditions are aheared to.
! 13: *
! 14: * Copyright remains Eric Young's, and as such any Copyright notices in
! 15: * the code are not to be removed. If this code is used in a product,
! 16: * Eric Young should be given attribution as the author of the parts used.
! 17: * This can be in the form of a textual message at program startup or
! 18: * in documentation (online or textual) provided with the package.
! 19: *
! 20: * Redistribution and use in source and binary forms, with or without
! 21: * modification, are permitted provided that the following conditions
! 22: * are met:
! 23: * 1. Redistributions of source code must retain the copyright
! 24: * notice, this list of conditions and the following disclaimer.
! 25: * 2. Redistributions in binary form must reproduce the above copyright
! 26: * notice, this list of conditions and the following disclaimer in the
! 27: * documentation and/or other materials provided with the distribution.
! 28: * 3. All advertising materials mentioning features or use of this software
! 29: * must display the following acknowledgement:
! 30: * This product includes software developed by Eric Young (eay@mincom.oz.au)
! 31: *
! 32: * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
! 33: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 34: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 35: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
! 36: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 37: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 38: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 39: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 40: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 41: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 42: * SUCH DAMAGE.
! 43: *
! 44: * The licence and distribution terms for any publically available version or
! 45: * derivative of this code cannot be changed. i.e. this code cannot simply be
! 46: * copied and put under another distribution licence
! 47: * [including the GNU Public Licence.]
! 48: */
! 49:
! 50: #ifndef HEADER_DES_H
! 51: #define HEADER_DES_H
! 52:
! 53: #include <sys/types.h>
! 54: #ifndef _KERNEL
! 55: #include <stdio.h>
! 56: #endif
! 57:
! 58: typedef unsigned char des_cblock[8];
! 59: typedef struct des_ks_struct
! 60: {
! 61: union {
! 62: des_cblock _;
! 63: /* make sure things are correct size on machines with
! 64: * 8 byte longs */
! 65: int32_t pad[2];
! 66: } ks;
! 67: #undef _
! 68: #define _ ks._
! 69: } des_key_schedule[16];
! 70:
! 71: #define DES_KEY_SZ (sizeof(des_cblock))
! 72: #define DES_SCHEDULE_SZ (sizeof(des_key_schedule))
! 73:
! 74: #define DES_ENCRYPT 1
! 75: #define DES_DECRYPT 0
! 76:
! 77: #define DES_CBC_MODE 0
! 78: #define DES_PCBC_MODE 1
! 79:
! 80: #define des_ecb2_encrypt(i,o,k1,k2,e) \
! 81: des_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e))
! 82:
! 83: #define des_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \
! 84: des_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e))
! 85:
! 86: #define des_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \
! 87: des_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e))
! 88:
! 89: #define des_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \
! 90: des_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n))
! 91:
! 92: #define C_Block des_cblock
! 93: #define Key_schedule des_key_schedule
! 94: #define ENCRYPT DES_ENCRYPT
! 95: #define DECRYPT DES_DECRYPT
! 96: #define KEY_SZ DES_KEY_SZ
! 97: #define string_to_key des_string_to_key
! 98: #define read_pw_string des_read_pw_string
! 99: #define random_key des_random_key
! 100: #define pcbc_encrypt des_pcbc_encrypt
! 101: #define set_key des_set_key
! 102: #define key_sched des_key_sched
! 103: #define ecb_encrypt des_ecb_encrypt
! 104: #define cbc_encrypt des_cbc_encrypt
! 105: #define ncbc_encrypt des_ncbc_encrypt
! 106: #define cbc_cksum des_cbc_cksum
! 107: #define quad_cksum des_quad_cksum
! 108:
! 109: /* For compatibility with the MIT lib - eay 20/05/92 */
! 110: typedef struct des_key_schedule bit_64;
! 111: #define des_fixup_key_parity des_set_odd_parity
! 112: #define des_check_key_parity check_parity
! 113:
! 114: extern int des_check_key; /* defaults to false */
! 115: extern int des_rw_mode; /* defaults to DES_PCBC_MODE */
! 116:
! 117: /* The next line is used to disable full ANSI prototypes, if your
! 118: * compiler has problems with the prototypes, make sure this line always
! 119: * evaluates to true :-) */
! 120: #if defined(__STDC__)
! 121: #undef PROTO
! 122: #define PROTO
! 123: #endif
! 124: #ifdef PROTO
! 125: void des_ecb3_encrypt(des_cblock *input,des_cblock *output,
! 126: des_key_schedule ks1,des_key_schedule ks2,
! 127: des_key_schedule ks3, int enc);
! 128: u_int32_t des_cbc_cksum(des_cblock *input,des_cblock *output,
! 129: long length,des_key_schedule schedule,des_cblock *ivec);
! 130: void des_cbc_encrypt(des_cblock *input,des_cblock *output,long length,
! 131: des_key_schedule schedule,des_cblock *ivec,int enc);
! 132: void des_ncbc_encrypt(des_cblock *input,des_cblock *output,long length,
! 133: des_key_schedule schedule,des_cblock *ivec,int enc);
! 134: void des_3cbc_encrypt(des_cblock *input,des_cblock *output,long length,
! 135: des_key_schedule sk1,des_key_schedule sk2,
! 136: des_cblock *ivec1,des_cblock *ivec2,int enc);
! 137: void des_cfb_encrypt(unsigned char *in,unsigned char *out,int numbits,
! 138: long length,des_key_schedule schedule,des_cblock *ivec,int enc);
! 139: void des_ecb_encrypt(des_cblock *input,des_cblock *output,
! 140: des_key_schedule ks,int enc);
! 141: void des_encrypt(u_int32_t *data,des_key_schedule ks, int enc);
! 142: void des_encrypt2(u_int32_t *data,des_key_schedule ks, int enc);
! 143: void des_ede3_cbc_encrypt(des_cblock *input, des_cblock *output,
! 144: long length, des_key_schedule ks1, des_key_schedule ks2,
! 145: des_key_schedule ks3, des_cblock *ivec, int enc);
! 146: void des_ede3_cfb64_encrypt(unsigned char *in, unsigned char *out,
! 147: long length, des_key_schedule ks1, des_key_schedule ks2,
! 148: des_key_schedule ks3, des_cblock *ivec, int *num, int encrypt);
! 149: void des_ede3_ofb64_encrypt(unsigned char *in, unsigned char *out,
! 150: long length, des_key_schedule ks1, des_key_schedule ks2,
! 151: des_key_schedule ks3, des_cblock *ivec, int *num);
! 152:
! 153: int des_enc_read(int fd,char *buf,int len,des_key_schedule sched,
! 154: des_cblock *iv);
! 155: int des_enc_write(int fd,char *buf,int len,des_key_schedule sched,
! 156: des_cblock *iv);
! 157: #ifdef PERL5
! 158: char *des_crypt(const char *buf,const char *salt);
! 159: #else
! 160: /* some stupid compilers complain because I have declared char instead
! 161: * of const char */
! 162: #ifdef HEADER_DES_LOCL_H
! 163: char *crypt(const char *buf,const char *salt);
! 164: #else
! 165: char *crypt();
! 166: #endif
! 167: #endif
! 168: void des_ofb_encrypt(unsigned char *in,unsigned char *out,
! 169: int numbits,long length,des_key_schedule schedule,des_cblock *ivec);
! 170: void des_pcbc_encrypt(des_cblock *input,des_cblock *output,long length,
! 171: des_key_schedule schedule,des_cblock *ivec,int enc);
! 172: u_int32_t des_quad_cksum(des_cblock *input,des_cblock *output,
! 173: long length,int out_count,des_cblock *seed);
! 174: void des_random_seed(des_cblock key);
! 175: void des_random_key(des_cblock ret);
! 176: int des_read_password(des_cblock *key,char *prompt,int verify);
! 177: int des_read_2passwords(des_cblock *key1,des_cblock *key2,
! 178: char *prompt,int verify);
! 179: int des_read_pw_string(char *buf,int length,char *prompt,int verify);
! 180: void des_set_odd_parity(des_cblock *key);
! 181: int des_is_weak_key(des_cblock *key);
! 182: int des_set_key(des_cblock *key,des_key_schedule schedule);
! 183: int des_key_sched(des_cblock *key,des_key_schedule schedule);
! 184: void des_string_to_key(char *str,des_cblock *key);
! 185: void des_string_to_2keys(char *str,des_cblock *key1,des_cblock *key2);
! 186: void des_cfb64_encrypt(unsigned char *in, unsigned char *out, long length,
! 187: des_key_schedule schedule, des_cblock *ivec, int *num, int enc);
! 188: void des_ofb64_encrypt(unsigned char *in, unsigned char *out, long length,
! 189: des_key_schedule schedule, des_cblock *ivec, int *num);
! 190:
! 191: /*
! 192: * Extra functions from Mark Murray <mark@grondar.za>
! 193: * The following functions are not in the normal unix build or the
! 194: * SSLeay build. When using the SSLeay build, use RAND_seed()
! 195: * and RAND_bytes() instead.
! 196: */
! 197: int des_new_random_key(des_cblock *key);
! 198: void des_init_random_number_generator(des_cblock *key);
! 199: void des_set_random_generator_seed(des_cblock *key);
! 200: void des_set_sequence_number(des_cblock new_sequence_number);
! 201: void des_generate_random_block(des_cblock *block);
! 202:
! 203: #else
! 204:
! 205: void des_ecb3_encrypt();
! 206: u_int32_t des_cbc_cksum();
! 207: void des_cbc_encrypt();
! 208: void des_ncbc_encrypt();
! 209: void des_3cbc_encrypt();
! 210: void des_cfb_encrypt();
! 211: void des_ede3_cfb64_encrypt();
! 212: void des_ede3_ofb64_encrypt();
! 213: void des_ecb_encrypt();
! 214: void des_encrypt();
! 215: void des_encrypt2();
! 216: void des_ede3_cbc_encrypt();
! 217: int des_enc_read();
! 218: int des_enc_write();
! 219: #ifdef PERL5
! 220: char *des_crypt();
! 221: #else
! 222: char *crypt();
! 223: #endif
! 224: void des_ofb_encrypt();
! 225: void des_pcbc_encrypt();
! 226: u_int32_t des_quad_cksum();
! 227: void des_random_seed();
! 228: void des_random_key();
! 229: int des_read_password();
! 230: int des_read_2passwords();
! 231: int des_read_pw_string();
! 232: void des_set_odd_parity();
! 233: int des_is_weak_key();
! 234: int des_set_key();
! 235: int des_key_sched();
! 236: void des_string_to_key();
! 237: void des_string_to_2keys();
! 238: void des_cfb64_encrypt();
! 239: void des_ofb64_encrypt();
! 240:
! 241: /*
! 242: * Extra functions from Mark Murray <mark@grondar.za>
! 243: * The following functions are not in the normal unix build or the
! 244: * SSLeay build. When using the SSLeay build, use RAND_seed()
! 245: * and RAND_bytes() instead.
! 246: */
! 247: int des_new_random_key();
! 248: void des_init_random_number_generator();
! 249: void des_set_random_generator_seed();
! 250: void des_set_sequence_number();
! 251: void des_generate_random_block();
! 252:
! 253: #endif
! 254: #endif
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