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