1 | /* |
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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 | * $FreeBSD: src/include/rpc/des_crypt.h,v 1.4 2002/03/23 17:24:55 imp Exp $ |
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4 | * |
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5 | * des_crypt.h, des library routine interface |
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6 | * Copyright (C) 1986, Sun Microsystems, Inc. |
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7 | */ |
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8 | /* |
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9 | * Sun RPC is a product of Sun Microsystems, Inc. and is provided for |
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10 | * unrestricted use provided that this legend is included on all tape |
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11 | * media and as a part of the software program in whole or part. Users |
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12 | * may copy or modify Sun RPC without charge, but are not authorized |
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13 | * to license or distribute it to anyone else except as part of a product or |
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14 | * program developed by the user. |
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15 | * |
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16 | * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE |
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17 | * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR |
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18 | * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. |
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19 | * |
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20 | * Sun RPC is provided with no support and without any obligation on the |
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21 | * part of Sun Microsystems, Inc. to assist in its use, correction, |
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22 | * modification or enhancement. |
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23 | * |
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24 | * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE |
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25 | * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC |
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26 | * OR ANY PART THEREOF. |
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27 | * |
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28 | * In no event will Sun Microsystems, Inc. be liable for any lost revenue |
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29 | * or profits or other special, indirect and consequential damages, even if |
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30 | * Sun has been advised of the possibility of such damages. |
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31 | * |
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32 | * Sun Microsystems, Inc. |
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33 | * 2550 Garcia Avenue |
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34 | * Mountain View, California 94043 |
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35 | */ |
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36 | /* |
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37 | * Copyright (c) 1986 - 1991 by Sun Microsystems, Inc. |
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38 | */ |
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39 | |
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40 | /* |
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41 | * des_crypt.h, des library routine interface |
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42 | */ |
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43 | |
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44 | #ifndef _DES_DES_CRYPT_H |
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45 | #define _DES_DES_CRYPT_H |
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46 | |
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47 | #include <sys/cdefs.h> |
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48 | #include <rpc/rpc.h> |
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49 | |
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50 | #define DES_MAXDATA 8192 /* max bytes encrypted in one call */ |
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51 | #define DES_DIRMASK (1 << 0) |
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52 | #define DES_ENCRYPT (0*DES_DIRMASK) /* Encrypt */ |
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53 | #define DES_DECRYPT (1*DES_DIRMASK) /* Decrypt */ |
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54 | |
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55 | |
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56 | #define DES_DEVMASK (1 << 1) |
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57 | #define DES_HW (0*DES_DEVMASK) /* Use hardware device */ |
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58 | #define DES_SW (1*DES_DEVMASK) /* Use software device */ |
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59 | |
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60 | |
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61 | #define DESERR_NONE 0 /* succeeded */ |
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62 | #define DESERR_NOHWDEVICE 1 /* succeeded, but hw device not available */ |
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63 | #define DESERR_HWERROR 2 /* failed, hardware/driver error */ |
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64 | #define DESERR_BADPARAM 3 /* failed, bad parameter to call */ |
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65 | |
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66 | #define DES_FAILED(err) \ |
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67 | ((err) > DESERR_NOHWDEVICE) |
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68 | |
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69 | /* |
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70 | * cbc_crypt() |
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71 | * ecb_crypt() |
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72 | * |
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73 | * Encrypt (or decrypt) len bytes of a buffer buf. |
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74 | * The length must be a multiple of eight. |
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75 | * The key should have odd parity in the low bit of each byte. |
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76 | * ivec is the input vector, and is updated to the new one (cbc only). |
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77 | * The mode is created by oring together the appropriate parameters. |
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78 | * DESERR_NOHWDEVICE is returned if DES_HW was specified but |
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79 | * there was no hardware to do it on (the data will still be |
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80 | * encrypted though, in software). |
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81 | */ |
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82 | |
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83 | |
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84 | /* |
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85 | * Cipher Block Chaining mode |
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86 | */ |
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87 | __BEGIN_DECLS |
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88 | int cbc_crypt( char *, char *, unsigned int, unsigned int, char *); |
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89 | __END_DECLS |
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90 | |
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91 | /* |
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92 | * Electronic Code Book mode |
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93 | */ |
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94 | __BEGIN_DECLS |
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95 | int ecb_crypt( char *, char *, unsigned int, unsigned int ); |
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96 | __END_DECLS |
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97 | |
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98 | /* |
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99 | * Set des parity for a key. |
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100 | * DES parity is odd and in the low bit of each byte |
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101 | */ |
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102 | __BEGIN_DECLS |
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103 | void des_setparity( char *); |
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104 | __END_DECLS |
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105 | |
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106 | #endif /* _DES_DES_CRYPT_H */ |
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