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Diffstat (limited to 'openssl/crypto/des/des.h')
| -rw-r--r-- | openssl/crypto/des/des.h | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/openssl/crypto/des/des.h b/openssl/crypto/des/des.h new file mode 100644 index 00000000..92b66635 --- /dev/null +++ b/openssl/crypto/des/des.h @@ -0,0 +1,245 @@ +/* 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.] + */ + +#ifndef HEADER_NEW_DES_H +#define HEADER_NEW_DES_H + +#include <openssl/e_os2.h> /* OPENSSL_EXTERN, OPENSSL_NO_DES, + DES_LONG (via openssl/opensslconf.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 + +#ifdef OPENSSL_ENABLE_OLD_DES_SUPPORT +# include <openssl/des_old.h> +#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)) + +OPENSSL_DECLARE_GLOBAL(int,DES_check_key); /* defaults to false */ +#define DES_check_key OPENSSL_GLOBAL_REF(DES_check_key) +OPENSSL_DECLARE_GLOBAL(int,DES_rw_mode); /* defaults to DES_PCBC_MODE */ +#define DES_rw_mode OPENSSL_GLOBAL_REF(DES_rw_mode) + +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 |