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 #ifndef __DES_CRYPT_H__ 37 #define __DES_CRYPT_H__ 1 38 39 #include <features.h> 40 41 __BEGIN_DECLS 42 43 #define DES_MAXDATA 8192 /* max bytes encrypted in one call */ 44 #define DES_DIRMASK (1 << 0) 45 #define DES_ENCRYPT (0*DES_DIRMASK) /* Encrypt */ 46 #define DES_DECRYPT (1*DES_DIRMASK) /* Decrypt */ 47 48 49 #define DES_DEVMASK (1 << 1) 50 #define DES_HW (0*DES_DEVMASK) /* Use hardware device */ 51 #define DES_SW (1*DES_DEVMASK) /* Use software device */ 52 53 54 #define DESERR_NONE 0 /* succeeded */ 55 #define DESERR_NOHWDEVICE 1 /* succeeded, but hw device not available */ 56 #define DESERR_HWERROR 2 /* failed, hardware/driver error */ 57 #define DESERR_BADPARAM 3 /* failed, bad parameter to call */ 58 59 #define DES_FAILED(err) \ 60 ((err) > DESERR_NOHWDEVICE) 61 62 /* 63 * cbc_crypt() 64 * ecb_crypt() 65 * 66 * Encrypt (or decrypt) len bytes of a buffer buf. 67 * The length must be a multiple of eight. 68 * The key should have odd parity in the low bit of each byte. 69 * ivec is the input vector, and is updated to the new one (cbc only). 70 * The mode is created by oring together the appropriate parameters. 71 * DESERR_NOHWDEVICE is returned if DES_HW was specified but 72 * there was no hardware to do it on (the data will still be 73 * encrypted though, in software). 74 */ 75 76 77 /* 78 * Cipher Block Chaining mode 79 */ 80 extern int cbc_crypt (char *__key, char *__buf, unsigned __len, 81 unsigned __mode, char *__ivec) __THROW; 82 83 /* 84 * Electronic Code Book mode 85 */ 86 extern int ecb_crypt (char *__key, char *__buf, unsigned __len, 87 unsigned __mode) __THROW; 88 89 /* 90 * Set des parity for a key. 91 * DES parity is odd and in the low bit of each byte 92 */ 93 extern void des_setparity (char *__key) __THROW; 94 95 __END_DECLS 96 97 #endif 98
