| /* 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.] |
| */ |
| |
| /* Copied roughly from opensslconf.h which it's a little more complex */ |
| #define DES_LONG unsigned long |
| |
| #ifndef HEADER_NEW_DES_H |
| #define HEADER_NEW_DES_H |
| |
| #ifdef OPENSSL_NO_DES |
| #error DES is disabled. |
| #endif |
| |
| #ifdef OPENSSL_BUILD_SHLIBCRYPTO |
| # undef OPENSSL_EXTERN |
| # define OPENSSL_EXTERN OPENSSL_EXPORT |
| #endif |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #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; |
| |
| #ifndef OPENSSL_DISABLE_OLD_DES_SUPPORT |
| # ifndef OPENSSL_ENABLE_OLD_DES_SUPPORT |
| # define OPENSSL_ENABLE_OLD_DES_SUPPORT |
| # endif |
| #endif |
| |
| #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)) |
| |
| 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_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_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); |
| #if 0 |
| void DES_xwhite_in2out(const_DES_cblock *DES_key,const_DES_cblock *in_white, |
| DES_cblock *out_white); |
| #endif |
| |
| 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); |
| 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); |
| |
| 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); |
| |
| #define DES_fixup_key_parity DES_set_odd_parity |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif |