1 /* 2 * @(#)des_crypt.h 2.1 88/08/11 4.0 RPCSRC; from 1.4 88/02/08 (C) 1986 SMI 3 * $FreeBSD$ 4 * 5 * des_crypt.h, des library routine interface 6 * Copyright (C) 1986, Sun Microsystems, Inc. 7 */ 8 /* 9 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 10 * unrestricted use provided that this legend is included on all tape 11 * media and as a part of the software program in whole or part. Users 12 * may copy or modify Sun RPC without charge, but are not authorized 13 * to license or distribute it to anyone else except as part of a product or 14 * program developed by the user. 15 * 16 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 17 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 18 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 19 * 20 * Sun RPC is provided with no support and without any obligation on the 21 * part of Sun Microsystems, Inc. to assist in its use, correction, 22 * modification or enhancement. 23 * 24 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 25 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 26 * OR ANY PART THEREOF. 27 * 28 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 29 * or profits or other special, indirect and consequential damages, even if 30 * Sun has been advised of the possibility of such damages. 31 * 32 * Sun Microsystems, Inc. 33 * 2550 Garcia Avenue 34 * Mountain View, California 94043 35 */ 36 /* 37 * Copyright (c) 1986 - 1991 by Sun Microsystems, Inc. 38 */ 39 40 /* 41 * des_crypt.h, des library routine interface 42 */ 43 44 #ifndef _DES_DES_CRYPT_H 45 #define _DES_DES_CRYPT_H 46 47 #include <sys/cdefs.h> 48 #include <rpc/rpc.h> 49 50 #define DES_MAXDATA 8192 /* max bytes encrypted in one call */ 51 #define DES_DIRMASK (1 << 0) 52 #define DES_ENCRYPT (0*DES_DIRMASK) /* Encrypt */ 53 #define DES_DECRYPT (1*DES_DIRMASK) /* Decrypt */ 54 55 56 #define DES_DEVMASK (1 << 1) 57 #define DES_HW (0*DES_DEVMASK) /* Use hardware device */ 58 #define DES_SW (1*DES_DEVMASK) /* Use software device */ 59 60 61 #define DESERR_NONE 0 /* succeeded */ 62 #define DESERR_NOHWDEVICE 1 /* succeeded, but hw device not available */ 63 #define DESERR_HWERROR 2 /* failed, hardware/driver error */ 64 #define DESERR_BADPARAM 3 /* failed, bad parameter to call */ 65 66 #define DES_FAILED(err) \ 67 ((err) > DESERR_NOHWDEVICE) 68 69 /* 70 * cbc_crypt() 71 * ecb_crypt() 72 * 73 * Encrypt (or decrypt) len bytes of a buffer buf. 74 * The length must be a multiple of eight. 75 * The key should have odd parity in the low bit of each byte. 76 * ivec is the input vector, and is updated to the new one (cbc only). 77 * The mode is created by oring together the appropriate parameters. 78 * DESERR_NOHWDEVICE is returned if DES_HW was specified but 79 * there was no hardware to do it on (the data will still be 80 * encrypted though, in software). 81 */ 82 83 84 /* 85 * Cipher Block Chaining mode 86 */ 87 __BEGIN_DECLS 88 int cbc_crypt( char *, char *, unsigned int, unsigned int, char *); 89 __END_DECLS 90 91 /* 92 * Electronic Code Book mode 93 */ 94 __BEGIN_DECLS 95 int ecb_crypt( char *, char *, unsigned int, unsigned int ); 96 __END_DECLS 97 98 /* 99 * Set des parity for a key. 100 * DES parity is odd and in the low bit of each byte 101 */ 102 __BEGIN_DECLS 103 void des_setparity( char *); 104 __END_DECLS 105 106 #endif /* _DES_DES_CRYPT_H */ 107