1 /* 2 * @(#)des_crypt.h 2.1 88/08/11 4.0 RPCSRC; from 1.4 88/02/08 (C) 1986 SMI 3 * $FreeBSD: src/include/rpc/des_crypt.h,v 1.2 1999/12/29 05:00:42 peter Exp $ 4 * $DragonFly: src/include/rpc/des_crypt.h,v 1.3 2003/11/14 01:01:50 dillon Exp $ 5 * 6 * des_crypt.h, des library routine interface 7 * Copyright (C) 1986, Sun Microsystems, Inc. 8 */ 9 /* 10 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 11 * unrestricted use provided that this legend is included on all tape 12 * media and as a part of the software program in whole or part. Users 13 * may copy or modify Sun RPC without charge, but are not authorized 14 * to license or distribute it to anyone else except as part of a product or 15 * program developed by the user. 16 * 17 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 18 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 20 * 21 * Sun RPC is provided with no support and without any obligation on the 22 * part of Sun Microsystems, Inc. to assist in its use, correction, 23 * modification or enhancement. 24 * 25 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 26 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 27 * OR ANY PART THEREOF. 28 * 29 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 30 * or profits or other special, indirect and consequential damages, even if 31 * Sun has been advised of the possibility of such damages. 32 * 33 * Sun Microsystems, Inc. 34 * 2550 Garcia Avenue 35 * Mountain View, California 94043 36 */ 37 38 #include <sys/cdefs.h> 39 #include <rpc/rpc.h> 40 41 #define DES_MAXDATA 8192 /* max bytes encrypted in one call */ 42 #define DES_DIRMASK (1 << 0) 43 #define DES_ENCRYPT (0*DES_DIRMASK) /* Encrypt */ 44 #define DES_DECRYPT (1*DES_DIRMASK) /* Decrypt */ 45 46 47 #define DES_DEVMASK (1 << 1) 48 #define DES_HW (0*DES_DEVMASK) /* Use hardware device */ 49 #define DES_SW (1*DES_DEVMASK) /* Use software device */ 50 51 52 #define DESERR_NONE 0 /* succeeded */ 53 #define DESERR_NOHWDEVICE 1 /* succeeded, but hw device not available */ 54 #define DESERR_HWERROR 2 /* failed, hardware/driver error */ 55 #define DESERR_BADPARAM 3 /* failed, bad parameter to call */ 56 57 #define DES_FAILED(err) \ 58 ((err) > DESERR_NOHWDEVICE) 59 60 /* 61 * cbc_crypt() 62 * ecb_crypt() 63 * 64 * Encrypt (or decrypt) len bytes of a buffer buf. 65 * The length must be a multiple of eight. 66 * The key should have odd parity in the low bit of each byte. 67 * ivec is the input vector, and is updated to the new one (cbc only). 68 * The mode is created by oring together the appropriate parameters. 69 * DESERR_NOHWDEVICE is returned if DES_HW was specified but 70 * there was no hardware to do it on (the data will still be 71 * encrypted though, in software). 72 */ 73 74 75 /* 76 * Cipher Block Chaining mode 77 */ 78 __BEGIN_DECLS 79 #ifdef __STDC__ 80 int cbc_crypt ( char *, char *, unsigned int, unsigned int, char *); 81 #else 82 cbc_crypt(/* key, buf, len, mode, ivec */); /* 83 char *key; 84 char *buf; 85 unsigned len; 86 unsigned mode; 87 char *ivec; 88 */ 89 #endif 90 91 /* 92 * Electronic Code Book mode 93 */ 94 #ifdef __STDC__ 95 int ecb_crypt ( char *, char *, unsigned int, unsigned int ); 96 #else 97 ecb_crypt(/* key, buf, len, mode */); /* 98 char *key; 99 char *buf; 100 unsigned len; 101 unsigned mode; 102 */ 103 #endif 104 __END_DECLS 105 106 #ifndef _KERNEL 107 /* 108 * Set des parity for a key. 109 * DES parity is odd and in the low bit of each byte 110 */ 111 __BEGIN_DECLS 112 #ifdef __STDC__ 113 void des_setparity ( char *); 114 #else 115 void 116 des_setparity(/* key */); /* 117 char *key; 118 */ 119 #endif 120 __END_DECLS 121 #endif 122