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/* |
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* cross-platform and mod_ssl-safe code modifications are Copyright (C) |
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* 2000 W3Works, LLC. All rights reserved. |
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*/ |
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/* |
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* Copyright (C) 1995, 1996 Systemics Ltd (http://www.systemics.com/) |
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* All rights reserved. |
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*/ |
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11
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#include "EXTERN.h" |
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#include "perl.h" |
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#include "XSUB.h" |
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15
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typedef unsigned char i8; |
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typedef unsigned long i32; |
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#include "_des.h" |
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20
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#ifndef sv_undef |
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#define sv_undef PL_sv_undef |
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#endif |
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23
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24
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MODULE = Crypt::DES PACKAGE = Crypt::DES PREFIX = _des_ |
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PROTOTYPES: DISABLE |
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27
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char * |
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_des_expand_key(key) |
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char * key = NO_INIT |
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30
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STRLEN key_len = NO_INIT |
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CODE: |
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{ |
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des_ks ks; |
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35
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10175
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key = (char *) SvPV(ST(0), key_len); |
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36
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10175
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if (key_len != sizeof(des_user_key)) |
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0
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croak("Invalid key"); |
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38
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39
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10175
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perl_des_expand_key((i8 *)key, ks); |
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40
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41
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10175
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ST(0) = sv_2mortal(newSVpv((char *)ks, sizeof(ks))); |
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} |
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void |
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_des_crypt(input, output, ks, enc_flag) |
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46
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char * input = NO_INIT |
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SV * output |
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char * ks = NO_INIT |
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int enc_flag |
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50
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STRLEN input_len = NO_INIT |
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51
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STRLEN output_len = NO_INIT |
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52
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STRLEN ks_len = NO_INIT |
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53
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CODE: |
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54
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{ |
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55
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30350
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input = (char *) SvPV(ST(0), input_len); |
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56
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30350
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if (input_len != 8) |
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0
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croak("input must be 8 bytes long"); |
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58
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59
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30350
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ks = (char *) SvPV(ST(2), ks_len); |
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60
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30350
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if (ks_len != sizeof(des_ks)) |
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61
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0
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croak("Invalid key schedule"); |
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62
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63
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30350
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if (output == &sv_undef) |
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64
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0
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output = sv_newmortal(); |
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65
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output_len = 8; |
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66
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67
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30350
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if (!SvUPGRADE(output, SVt_PV)) |
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68
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0
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croak("cannot use output argument as lvalue"); |
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69
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70
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30350
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perl_des_crypt(input, SvGROW(output, output_len), (i32 *)ks, enc_flag); |
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71
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72
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30350
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SvCUR_set(output, output_len); |
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73
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30350
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*SvEND(output) = '\0'; |
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74
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30350
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(void) SvPOK_only(output); |
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75
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30350
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SvTAINT(output); |
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76
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77
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30350
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ST(0) = output; |
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78
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} |
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79
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80
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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
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86
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87
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88
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89
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90
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91
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