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175 lines
7.4 KiB
C
175 lines
7.4 KiB
C
/*
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* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#ifndef HEADER_DES_H
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# define HEADER_DES_H
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# include <openssl/opensslconf.h>
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# ifndef OPENSSL_NO_DES
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# ifdef __cplusplus
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extern "C" {
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# endif
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# include <openssl/e_os2.h>
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typedef unsigned int DES_LONG;
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# ifdef OPENSSL_BUILD_SHLIBCRYPTO
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# undef OPENSSL_EXTERN
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# define OPENSSL_EXTERN OPENSSL_EXPORT
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# endif
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typedef unsigned char DES_cblock[8];
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typedef /* const */ unsigned char const_DES_cblock[8];
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/*
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* With "const", gcc 2.8.1 on Solaris thinks that DES_cblock * and
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* const_DES_cblock * are incompatible pointer types.
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*/
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typedef struct DES_ks {
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union {
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DES_cblock cblock;
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/*
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* make sure things are correct size on machines with 8 byte longs
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*/
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DES_LONG deslong[2];
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} ks[16];
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} DES_key_schedule;
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# define DES_KEY_SZ (sizeof(DES_cblock))
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# define DES_SCHEDULE_SZ (sizeof(DES_key_schedule))
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# define DES_ENCRYPT 1
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# define DES_DECRYPT 0
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# define DES_CBC_MODE 0
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# define DES_PCBC_MODE 1
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# define DES_ecb2_encrypt(i,o,k1,k2,e) \
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DES_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e))
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# define DES_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \
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DES_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e))
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# define DES_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \
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DES_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e))
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# define DES_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \
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DES_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n))
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OPENSSL_DECLARE_GLOBAL(int, DES_check_key); /* defaults to false */
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# define DES_check_key OPENSSL_GLOBAL_REF(DES_check_key)
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const char *DES_options(void);
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void DES_ecb3_encrypt(const_DES_cblock *input, DES_cblock *output,
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DES_key_schedule *ks1, DES_key_schedule *ks2,
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DES_key_schedule *ks3, int enc);
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DES_LONG DES_cbc_cksum(const unsigned char *input, DES_cblock *output,
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long length, DES_key_schedule *schedule,
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const_DES_cblock *ivec);
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/* DES_cbc_encrypt does not update the IV! Use DES_ncbc_encrypt instead. */
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void DES_cbc_encrypt(const unsigned char *input, unsigned char *output,
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long length, DES_key_schedule *schedule,
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DES_cblock *ivec, int enc);
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void DES_ncbc_encrypt(const unsigned char *input, unsigned char *output,
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long length, DES_key_schedule *schedule,
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DES_cblock *ivec, int enc);
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void DES_xcbc_encrypt(const unsigned char *input, unsigned char *output,
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long length, DES_key_schedule *schedule,
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DES_cblock *ivec, const_DES_cblock *inw,
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const_DES_cblock *outw, int enc);
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void DES_cfb_encrypt(const unsigned char *in, unsigned char *out, int numbits,
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long length, DES_key_schedule *schedule,
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DES_cblock *ivec, int enc);
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void DES_ecb_encrypt(const_DES_cblock *input, DES_cblock *output,
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DES_key_schedule *ks, int enc);
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/*
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* This is the DES encryption function that gets called by just about every
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* other DES routine in the library. You should not use this function except
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* to implement 'modes' of DES. I say this because the functions that call
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* this routine do the conversion from 'char *' to long, and this needs to be
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* done to make sure 'non-aligned' memory access do not occur. The
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* characters are loaded 'little endian'. Data is a pointer to 2 unsigned
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* long's and ks is the DES_key_schedule to use. enc, is non zero specifies
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* encryption, zero if decryption.
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*/
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void DES_encrypt1(DES_LONG *data, DES_key_schedule *ks, int enc);
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/*
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* This functions is the same as DES_encrypt1() except that the DES initial
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* permutation (IP) and final permutation (FP) have been left out. As for
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* DES_encrypt1(), you should not use this function. It is used by the
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* routines in the library that implement triple DES. IP() DES_encrypt2()
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* DES_encrypt2() DES_encrypt2() FP() is the same as DES_encrypt1()
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* DES_encrypt1() DES_encrypt1() except faster :-).
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*/
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void DES_encrypt2(DES_LONG *data, DES_key_schedule *ks, int enc);
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void DES_encrypt3(DES_LONG *data, DES_key_schedule *ks1,
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DES_key_schedule *ks2, DES_key_schedule *ks3);
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void DES_decrypt3(DES_LONG *data, DES_key_schedule *ks1,
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DES_key_schedule *ks2, DES_key_schedule *ks3);
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void DES_ede3_cbc_encrypt(const unsigned char *input, unsigned char *output,
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long length,
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DES_key_schedule *ks1, DES_key_schedule *ks2,
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DES_key_schedule *ks3, DES_cblock *ivec, int enc);
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void DES_ede3_cfb64_encrypt(const unsigned char *in, unsigned char *out,
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long length, DES_key_schedule *ks1,
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DES_key_schedule *ks2, DES_key_schedule *ks3,
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DES_cblock *ivec, int *num, int enc);
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void DES_ede3_cfb_encrypt(const unsigned char *in, unsigned char *out,
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int numbits, long length, DES_key_schedule *ks1,
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DES_key_schedule *ks2, DES_key_schedule *ks3,
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DES_cblock *ivec, int enc);
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void DES_ede3_ofb64_encrypt(const unsigned char *in, unsigned char *out,
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long length, DES_key_schedule *ks1,
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DES_key_schedule *ks2, DES_key_schedule *ks3,
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DES_cblock *ivec, int *num);
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char *DES_fcrypt(const char *buf, const char *salt, char *ret);
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char *DES_crypt(const char *buf, const char *salt);
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void DES_ofb_encrypt(const unsigned char *in, unsigned char *out, int numbits,
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long length, DES_key_schedule *schedule,
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DES_cblock *ivec);
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void DES_pcbc_encrypt(const unsigned char *input, unsigned char *output,
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long length, DES_key_schedule *schedule,
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DES_cblock *ivec, int enc);
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DES_LONG DES_quad_cksum(const unsigned char *input, DES_cblock output[],
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long length, int out_count, DES_cblock *seed);
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int DES_random_key(DES_cblock *ret);
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void DES_set_odd_parity(DES_cblock *key);
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int DES_check_key_parity(const_DES_cblock *key);
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int DES_is_weak_key(const_DES_cblock *key);
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/*
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* DES_set_key (= set_key = DES_key_sched = key_sched) calls
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* DES_set_key_checked if global variable DES_check_key is set,
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* DES_set_key_unchecked otherwise.
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*/
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int DES_set_key(const_DES_cblock *key, DES_key_schedule *schedule);
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int DES_key_sched(const_DES_cblock *key, DES_key_schedule *schedule);
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int DES_set_key_checked(const_DES_cblock *key, DES_key_schedule *schedule);
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void DES_set_key_unchecked(const_DES_cblock *key, DES_key_schedule *schedule);
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void DES_string_to_key(const char *str, DES_cblock *key);
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void DES_string_to_2keys(const char *str, DES_cblock *key1, DES_cblock *key2);
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void DES_cfb64_encrypt(const unsigned char *in, unsigned char *out,
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long length, DES_key_schedule *schedule,
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DES_cblock *ivec, int *num, int enc);
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void DES_ofb64_encrypt(const unsigned char *in, unsigned char *out,
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long length, DES_key_schedule *schedule,
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DES_cblock *ivec, int *num);
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# define DES_fixup_key_parity DES_set_odd_parity
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# ifdef __cplusplus
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}
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# endif
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# endif
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#endif
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