| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame^] | 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 |