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 1.4 2002/03/23 17:24:55 imp 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 * Copyright (c) 1986 - 1991 by Sun Microsystems, Inc. 39 */ 40 41 /* 42 * des_crypt.h, des library routine interface 43 */ 44 45 #ifndef _DES_DES_CRYPT_H 46 #define _DES_DES_CRYPT_H 47 48 #include <sys/cdefs.h> 49 #include <rpc/rpc.h> 50 51 #define DES_MAXDATA 8192 /* max bytes encrypted in one call */ 52 #define DES_DIRMASK (1 << 0) 53 #define DES_ENCRYPT (0*DES_DIRMASK) /* Encrypt */ 54 #define DES_DECRYPT (1*DES_DIRMASK) /* Decrypt */ 55 56 57 #define DES_DEVMASK (1 << 1) 58 #define DES_HW (0*DES_DEVMASK) /* Use hardware device */ 59 #define DES_SW (1*DES_DEVMASK) /* Use software device */ 60 61 62 #define DESERR_NONE 0 /* succeeded */ 63 #define DESERR_NOHWDEVICE 1 /* succeeded, but hw device not available */ 64 #define DESERR_HWERROR 2 /* failed, hardware/driver error */ 65 #define DESERR_BADPARAM 3 /* failed, bad parameter to call */ 66 67 #define DES_FAILED(err) \ 68 ((err) > DESERR_NOHWDEVICE) 69 70 /* 71 * cbc_crypt() 72 * ecb_crypt() 73 * 74 * Encrypt (or decrypt) len bytes of a buffer buf. 75 * The length must be a multiple of eight. 76 * The key should have odd parity in the low bit of each byte. 77 * ivec is the input vector, and is updated to the new one (cbc only). 78 * The mode is created by oring together the appropriate parameters. 79 * DESERR_NOHWDEVICE is returned if DES_HW was specified but 80 * there was no hardware to do it on (the data will still be 81 * encrypted though, in software). 82 */ 83 84 85 /* 86 * Cipher Block Chaining mode 87 */ 88 __BEGIN_DECLS 89 int cbc_crypt( char *, char *, unsigned int, unsigned int, char *); 90 __END_DECLS 91 92 /* 93 * Electronic Code Book mode 94 */ 95 __BEGIN_DECLS 96 int ecb_crypt( char *, char *, unsigned int, unsigned int ); 97 __END_DECLS 98 99 /* 100 * Set des parity for a key. 101 * DES parity is odd and in the low bit of each byte 102 */ 103 __BEGIN_DECLS 104 void des_setparity( char *); 105 __END_DECLS 106 107 #endif /* _DES_DES_CRYPT_H */ 108