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1/*2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.3 *4 * Licensed under the Apache License 2.0 (the "License").  You may not use5 * this file except in compliance with the License.  You can obtain a copy6 * in the file LICENSE in the source distribution or at7 * https://www.openssl.org/source/license.html8 */9 10#ifndef OPENSSL_DES_H11#define OPENSSL_DES_H12#pragma once13 14#include <openssl/macros.h>15#ifndef OPENSSL_NO_DEPRECATED_3_016#define HEADER_DES_H17#endif18 19#include <openssl/opensslconf.h>20 21#ifndef OPENSSL_NO_DES22#ifdef __cplusplus23extern "C" {24#endif25#include <openssl/e_os2.h>26 27#ifndef OPENSSL_NO_DEPRECATED_3_028typedef unsigned int DES_LONG;29 30#ifdef OPENSSL_BUILD_SHLIBCRYPTO31#undef OPENSSL_EXTERN32#define OPENSSL_EXTERN OPENSSL_EXPORT33#endif34 35typedef unsigned char DES_cblock[8];36typedef /* const */ unsigned char const_DES_cblock[8];37/*38 * With "const", gcc 2.8.1 on Solaris thinks that DES_cblock * and39 * const_DES_cblock * are incompatible pointer types.40 */41 42typedef struct DES_ks {43    union {44        DES_cblock cblock;45        /*46         * make sure things are correct size on machines with 8 byte longs47         */48        DES_LONG deslong[2];49    } ks[16];50} DES_key_schedule;51 52#define DES_KEY_SZ (sizeof(DES_cblock))53#define DES_SCHEDULE_SZ (sizeof(DES_key_schedule))54 55#define DES_ENCRYPT 156#define DES_DECRYPT 057 58#define DES_CBC_MODE 059#define DES_PCBC_MODE 160 61#define DES_ecb2_encrypt(i, o, k1, k2, e) \62    DES_ecb3_encrypt((i), (o), (k1), (k2), (k1), (e))63 64#define DES_ede2_cbc_encrypt(i, o, l, k1, k2, iv, e) \65    DES_ede3_cbc_encrypt((i), (o), (l), (k1), (k2), (k1), (iv), (e))66 67#define DES_ede2_cfb64_encrypt(i, o, l, k1, k2, iv, n, e) \68    DES_ede3_cfb64_encrypt((i), (o), (l), (k1), (k2), (k1), (iv), (n), (e))69 70#define DES_ede2_ofb64_encrypt(i, o, l, k1, k2, iv, n) \71    DES_ede3_ofb64_encrypt((i), (o), (l), (k1), (k2), (k1), (iv), (n))72 73#define DES_fixup_key_parity DES_set_odd_parity74#endif75#ifndef OPENSSL_NO_DEPRECATED_3_076OSSL_DEPRECATEDIN_3_0 const char *DES_options(void);77OSSL_DEPRECATEDIN_3_078void DES_ecb3_encrypt(const_DES_cblock *input, DES_cblock *output,79    DES_key_schedule *ks1, DES_key_schedule *ks2,80    DES_key_schedule *ks3, int enc);81OSSL_DEPRECATEDIN_3_082DES_LONG DES_cbc_cksum(const unsigned char *input, DES_cblock *output,83    long length, DES_key_schedule *schedule,84    const_DES_cblock *ivec);85#endif86/* DES_cbc_encrypt does not update the IV!  Use DES_ncbc_encrypt instead. */87#ifndef OPENSSL_NO_DEPRECATED_3_088OSSL_DEPRECATEDIN_3_089void DES_cbc_encrypt(const unsigned char *input, unsigned char *output,90    long length, DES_key_schedule *schedule, DES_cblock *ivec,91    int enc);92OSSL_DEPRECATEDIN_3_093void DES_ncbc_encrypt(const unsigned char *input, unsigned char *output,94    long length, DES_key_schedule *schedule, DES_cblock *ivec,95    int enc);96OSSL_DEPRECATEDIN_3_097void DES_xcbc_encrypt(const unsigned char *input, unsigned char *output,98    long length, DES_key_schedule *schedule, DES_cblock *ivec,99    const_DES_cblock *inw, const_DES_cblock *outw, int enc);100OSSL_DEPRECATEDIN_3_0101void DES_cfb_encrypt(const unsigned char *in, unsigned char *out, int numbits,102    long length, DES_key_schedule *schedule, DES_cblock *ivec,103    int enc);104OSSL_DEPRECATEDIN_3_0105void DES_ecb_encrypt(const_DES_cblock *input, DES_cblock *output,106    DES_key_schedule *ks, int enc);107#endif108 109/*110 * This is the DES encryption function that gets called by just about every111 * other DES routine in the library.  You should not use this function except112 * to implement 'modes' of DES.  I say this because the functions that call113 * this routine do the conversion from 'char *' to long, and this needs to be114 * done to make sure 'non-aligned' memory access do not occur.  The115 * characters are loaded 'little endian'. Data is a pointer to 2 unsigned116 * long's and ks is the DES_key_schedule to use.  enc, is non zero specifies117 * encryption, zero if decryption.118 */119#ifndef OPENSSL_NO_DEPRECATED_3_0120OSSL_DEPRECATEDIN_3_0121void DES_encrypt1(DES_LONG *data, DES_key_schedule *ks, int enc);122#endif123 124/*125 * This functions is the same as DES_encrypt1() except that the DES initial126 * permutation (IP) and final permutation (FP) have been left out.  As for127 * DES_encrypt1(), you should not use this function. It is used by the128 * routines in the library that implement triple DES. IP() DES_encrypt2()129 * DES_encrypt2() DES_encrypt2() FP() is the same as DES_encrypt1()130 * DES_encrypt1() DES_encrypt1() except faster :-).131 */132#ifndef OPENSSL_NO_DEPRECATED_3_0133OSSL_DEPRECATEDIN_3_0134void DES_encrypt2(DES_LONG *data, DES_key_schedule *ks, int enc);135OSSL_DEPRECATEDIN_3_0136void DES_encrypt3(DES_LONG *data, DES_key_schedule *ks1, DES_key_schedule *ks2,137    DES_key_schedule *ks3);138OSSL_DEPRECATEDIN_3_0139void DES_decrypt3(DES_LONG *data, DES_key_schedule *ks1, DES_key_schedule *ks2,140    DES_key_schedule *ks3);141OSSL_DEPRECATEDIN_3_0142void DES_ede3_cbc_encrypt(const unsigned char *input, unsigned char *output,143    long length, DES_key_schedule *ks1,144    DES_key_schedule *ks2, DES_key_schedule *ks3,145    DES_cblock *ivec, int enc);146OSSL_DEPRECATEDIN_3_0147void DES_ede3_cfb64_encrypt(const unsigned char *in, unsigned char *out,148    long length, DES_key_schedule *ks1,149    DES_key_schedule *ks2, DES_key_schedule *ks3,150    DES_cblock *ivec, int *num, int enc);151OSSL_DEPRECATEDIN_3_0152void DES_ede3_cfb_encrypt(const unsigned char *in, unsigned char *out,153    int numbits, long length, DES_key_schedule *ks1,154    DES_key_schedule *ks2, DES_key_schedule *ks3,155    DES_cblock *ivec, int enc);156OSSL_DEPRECATEDIN_3_0157void DES_ede3_ofb64_encrypt(const unsigned char *in, unsigned char *out,158    long length, DES_key_schedule *ks1,159    DES_key_schedule *ks2, DES_key_schedule *ks3,160    DES_cblock *ivec, int *num);161OSSL_DEPRECATEDIN_3_0162char *DES_fcrypt(const char *buf, const char *salt, char *ret);163OSSL_DEPRECATEDIN_3_0164char *DES_crypt(const char *buf, const char *salt);165OSSL_DEPRECATEDIN_3_0166void DES_ofb_encrypt(const unsigned char *in, unsigned char *out, int numbits,167    long length, DES_key_schedule *schedule, DES_cblock *ivec);168OSSL_DEPRECATEDIN_3_0169void DES_pcbc_encrypt(const unsigned char *input, unsigned char *output,170    long length, DES_key_schedule *schedule,171    DES_cblock *ivec, int enc);172OSSL_DEPRECATEDIN_3_0173DES_LONG DES_quad_cksum(const unsigned char *input, DES_cblock output[],174    long length, int out_count, DES_cblock *seed);175OSSL_DEPRECATEDIN_3_0 int DES_random_key(DES_cblock *ret);176OSSL_DEPRECATEDIN_3_0 void DES_set_odd_parity(DES_cblock *key);177OSSL_DEPRECATEDIN_3_0 int DES_check_key_parity(const_DES_cblock *key);178OSSL_DEPRECATEDIN_3_0 int DES_is_weak_key(const_DES_cblock *key);179#endif180/*181 * DES_set_key (= set_key = DES_key_sched = key_sched) calls182 * DES_set_key_checked183 */184#ifndef OPENSSL_NO_DEPRECATED_3_0185OSSL_DEPRECATEDIN_3_0186int DES_set_key(const_DES_cblock *key, DES_key_schedule *schedule);187OSSL_DEPRECATEDIN_3_0188int DES_key_sched(const_DES_cblock *key, DES_key_schedule *schedule);189OSSL_DEPRECATEDIN_3_0190int DES_set_key_checked(const_DES_cblock *key, DES_key_schedule *schedule);191OSSL_DEPRECATEDIN_3_0192void DES_set_key_unchecked(const_DES_cblock *key, DES_key_schedule *schedule);193OSSL_DEPRECATEDIN_3_0 void DES_string_to_key(const char *str, DES_cblock *key);194OSSL_DEPRECATEDIN_3_0195void DES_string_to_2keys(const char *str, DES_cblock *key1, DES_cblock *key2);196OSSL_DEPRECATEDIN_3_0197void DES_cfb64_encrypt(const unsigned char *in, unsigned char *out,198    long length, DES_key_schedule *schedule,199    DES_cblock *ivec, int *num, int enc);200OSSL_DEPRECATEDIN_3_0201void DES_ofb64_encrypt(const unsigned char *in, unsigned char *out,202    long length, DES_key_schedule *schedule,203    DES_cblock *ivec, int *num);204#endif205 206#ifdef __cplusplus207}208#endif209#endif210 211#endif212