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Editing: des.h
/* * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ #ifndef HEADER_DES_H # define HEADER_DES_H # include <openssl/opensslconf.h> # ifndef OPENSSL_NO_DES # ifdef __cplusplus extern "C" { # endif # include <openssl/e_os2.h> typedef unsigned int DES_LONG; # ifdef OPENSSL_BUILD_SHLIBCRYPTO # undef OPENSSL_EXTERN # define OPENSSL_EXTERN OPENSSL_EXPORT # endif 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. */ typedef struct DES_ks { union { DES_cblock cblock; /* * make sure things are correct size on machines with 8 byte longs */ DES_LONG deslong[2]; } ks[16]; } DES_key_schedule; # 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_DECLARE_GLOBAL(int, DES_check_key); /* defaults to false */ # define DES_check_key OPENSSL_GLOBAL_REF(DES_check_key) 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); /* * This is the DES encryption function that gets called by just about every * other DES routine in the library. You should not use this function except * to implement 'modes' of DES. I say this because the functions that call * this routine do the conversion from 'char *' to long, and this needs to be * done to make sure 'non-aligned' memory access do not occur. The * characters are loaded 'little endian'. Data is a pointer to 2 unsigned * long's and ks is the DES_key_schedule to use. enc, is non zero specifies * encryption, zero if decryption. */ void DES_encrypt1(DES_LONG *data, DES_key_schedule *ks, int enc); /* * This functions is the same as DES_encrypt1() except that the DES initial * permutation (IP) and final permutation (FP) have been left out. As for * DES_encrypt1(), you should not use this function. It is used by the * routines in the library that implement triple DES. IP() DES_encrypt2() * DES_encrypt2() DES_encrypt2() FP() is the same as DES_encrypt1() * DES_encrypt1() DES_encrypt1() except faster :-). */ 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_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_cfb_encrypt(const unsigned char *in, unsigned char *out, int numbits, long length, DES_key_schedule *ks1, DES_key_schedule *ks2, DES_key_schedule *ks3, DES_cblock *ivec, 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); char *DES_fcrypt(const char *buf, const char *salt, char *ret); char *DES_crypt(const char *buf, const char *salt); 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); int DES_random_key(DES_cblock *ret); void DES_set_odd_parity(DES_cblock *key); int DES_check_key_parity(const_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); # define DES_fixup_key_parity DES_set_odd_parity # ifdef __cplusplus } # endif # endif #endif
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