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| 5496 | leency | 1 | /* |
| 2 | * @(#)des_crypt.h 2.1 88/08/11 4.0 RPCSRC; from 1.4 88/02/08 (C) 1986 SMI |
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| 3 | * |
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| 4 | * des_crypt.h, des library routine interface |
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| 5 | * Copyright (C) 1986, Sun Microsystems, Inc. |
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| 6 | */ |
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| 7 | /* |
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| 8 | * Sun RPC is a product of Sun Microsystems, Inc. and is provided for |
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| 9 | * unrestricted use provided that this legend is included on all tape |
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| 10 | * media and as a part of the software program in whole or part. Users |
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| 11 | * may copy or modify Sun RPC without charge, but are not authorized |
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| 12 | * to license or distribute it to anyone else except as part of a product or |
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| 13 | * program developed by the user. |
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| 14 | * |
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| 15 | * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE |
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| 16 | * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR |
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| 17 | * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. |
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| 18 | * |
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| 19 | * Sun RPC is provided with no support and without any obligation on the |
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| 20 | * part of Sun Microsystems, Inc. to assist in its use, correction, |
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| 21 | * modification or enhancement. |
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| 22 | * |
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| 23 | * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE |
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| 24 | * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC |
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| 25 | * OR ANY PART THEREOF. |
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| 26 | * |
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| 27 | * In no event will Sun Microsystems, Inc. be liable for any lost revenue |
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| 28 | * or profits or other special, indirect and consequential damages, even if |
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| 29 | * Sun has been advised of the possibility of such damages. |
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| 30 | * |
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| 31 | * Sun Microsystems, Inc. |
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| 32 | * 2550 Garcia Avenue |
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| 33 | * Mountain View, California 94043 |
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| 34 | */ |
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| 35 | |||
| 36 | #ifndef __DES_CRYPT_H__ |
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| 37 | #define __DES_CRYPT_H__ 1 |
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| 38 | |||
| 39 | #include |
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| 40 | |||
| 41 | __BEGIN_DECLS |
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| 42 | |||
| 43 | #define DES_MAXDATA 8192 /* max bytes encrypted in one call */ |
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| 44 | #define DES_DIRMASK (1 << 0) |
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| 45 | #define DES_ENCRYPT (0*DES_DIRMASK) /* Encrypt */ |
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| 46 | #define DES_DECRYPT (1*DES_DIRMASK) /* Decrypt */ |
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| 47 | |||
| 48 | |||
| 49 | #define DES_DEVMASK (1 << 1) |
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| 50 | #define DES_HW (0*DES_DEVMASK) /* Use hardware device */ |
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| 51 | #define DES_SW (1*DES_DEVMASK) /* Use software device */ |
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| 52 | |||
| 53 | |||
| 54 | #define DESERR_NONE 0 /* succeeded */ |
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| 55 | #define DESERR_NOHWDEVICE 1 /* succeeded, but hw device not available */ |
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| 56 | #define DESERR_HWERROR 2 /* failed, hardware/driver error */ |
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| 57 | #define DESERR_BADPARAM 3 /* failed, bad parameter to call */ |
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| 58 | |||
| 59 | #define DES_FAILED(err) \ |
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| 60 | ((err) > DESERR_NOHWDEVICE) |
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| 61 | |||
| 62 | /* |
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| 63 | * cbc_crypt() |
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| 64 | * ecb_crypt() |
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| 65 | * |
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| 66 | * Encrypt (or decrypt) len bytes of a buffer buf. |
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| 67 | * The length must be a multiple of eight. |
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| 68 | * The key should have odd parity in the low bit of each byte. |
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| 69 | * ivec is the input vector, and is updated to the new one (cbc only). |
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| 70 | * The mode is created by oring together the appropriate parameters. |
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| 71 | * DESERR_NOHWDEVICE is returned if DES_HW was specified but |
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| 72 | * there was no hardware to do it on (the data will still be |
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| 73 | * encrypted though, in software). |
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| 74 | */ |
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| 75 | |||
| 76 | |||
| 77 | /* |
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| 78 | * Cipher Block Chaining mode |
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| 79 | */ |
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| 80 | extern int cbc_crypt (char *__key, char *__buf, unsigned __len, |
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| 81 | unsigned __mode, char *__ivec) __THROW; |
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| 82 | |||
| 83 | /* |
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| 84 | * Electronic Code Book mode |
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| 85 | */ |
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| 86 | extern int ecb_crypt (char *__key, char *__buf, unsigned __len, |
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| 87 | unsigned __mode) __THROW; |
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| 88 | |||
| 89 | /* |
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| 90 | * Set des parity for a key. |
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| 91 | * DES parity is odd and in the low bit of each byte |
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| 92 | */ |
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| 93 | extern void des_setparity (char *__key) __THROW; |
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| 94 | |||
| 95 | __END_DECLS |
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| 96 | |||
| 97 | #endif |