line |
stmt |
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cond |
sub |
pod |
time |
code |
1
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package Digest::SHA3; |
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3
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require 5.003000; |
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5
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13
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13
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7169
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use strict; |
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105
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13
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411
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6
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13
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13
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72
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use warnings; |
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13
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27
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13
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554
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7
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13
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use vars qw($VERSION @ISA @EXPORT_OK $errmsg); |
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24
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13
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1267
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8
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13
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90
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use Fcntl qw(O_RDONLY); |
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13
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776
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9
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13
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8004
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use integer; |
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200
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13
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71
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10
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11
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$VERSION = '1.03'; |
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13
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require Exporter; |
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@ISA = qw(Exporter); |
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@EXPORT_OK = qw( |
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$errmsg |
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shake128 shake128_base64 shake128_hex |
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shake256 shake256_base64 shake256_hex |
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sha3_224 sha3_224_base64 sha3_224_hex |
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sha3_256 sha3_256_base64 sha3_256_hex |
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sha3_384 sha3_384_base64 sha3_384_hex |
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sha3_512 sha3_512_base64 sha3_512_hex); |
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24
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# Inherit from Digest::base if possible |
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26
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eval { |
27
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require Digest::base; |
28
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push(@ISA, 'Digest::base'); |
29
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}; |
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31
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# The following routines aren't time-critical, so they can be left in Perl |
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33
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sub new { |
34
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18
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18
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1
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1275
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my($class, $alg) = @_; |
35
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18
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100
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81
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$alg =~ s/\D+//g if defined $alg; |
36
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18
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100
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117
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$alg =~ s/^3?(224|256|384|512|128000|256000)$/$1/ if defined $alg; |
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18
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50
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64
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if (ref($class)) { # instance method |
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0
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0
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0
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0
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if (!defined($alg) || ($alg == $class->algorithm)) { |
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0
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0
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sharewind($class); |
40
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0
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0
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return($class); |
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} |
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0
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0
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0
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return shainit($class, $alg) ? $class : undef; |
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} |
44
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18
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100
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52
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$alg = 224 unless defined $alg; |
45
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18
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134
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return newSHA3($class, $alg); |
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} |
47
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48
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13
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13
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14624
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BEGIN { *reset = \&new } |
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50
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sub add_bits { |
51
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23
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23
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1
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440
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my($self, $data, $nbits, $lsb) = @_; |
52
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23
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100
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71
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if (defined $nbits) { |
53
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18
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35
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my $max = length($data) * 8; |
54
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18
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50
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59
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$nbits = $max if $nbits > $max; |
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} |
56
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23
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100
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55
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if ($lsb) { |
57
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17
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119
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shawrite($data, $nbits, $self); |
58
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17
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163
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return($self); |
59
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} |
60
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6
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100
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12
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unless (defined $nbits) { |
61
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5
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6
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$nbits = length($data); |
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5
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16
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$data = pack("B*", $data); |
63
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} |
64
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6
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50
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14
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if ($nbits % 8) { |
65
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6
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12
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my $b = unpack("C", substr($data, -1)); |
66
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6
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13
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$b >>= (8 - $nbits % 8); |
67
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6
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11
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substr($data, -1) = pack("C", $b); |
68
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} |
69
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6
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23
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shawrite($data, $nbits, $self); |
70
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6
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47
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return($self); |
71
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} |
72
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73
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sub _bail { |
74
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0
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0
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my $msg = shift; |
75
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76
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0
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$errmsg = $!; |
77
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0
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$msg .= ": $!"; |
78
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0
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require Carp; |
79
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0
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Carp::croak($msg); |
80
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} |
81
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82
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{ |
83
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my $_can_T_filehandle; |
84
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85
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sub _istext { |
86
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0
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0
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local *FH = shift; |
87
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0
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my $file = shift; |
88
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89
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0
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0
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if (! defined $_can_T_filehandle) { |
90
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0
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local $^W = 0; |
91
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0
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my $istext = eval { -T FH }; |
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0
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92
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0
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0
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$_can_T_filehandle = $@ ? 0 : 1; |
93
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0
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0
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return $_can_T_filehandle ? $istext : -T $file; |
94
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} |
95
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0
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0
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return $_can_T_filehandle ? -T FH : -T $file; |
96
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} |
97
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} |
98
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99
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sub _addfile { |
100
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0
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0
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my ($self, $handle) = @_; |
101
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102
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0
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my $n; |
103
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0
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my $buf = ""; |
104
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105
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0
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while (($n = read($handle, $buf, 4096))) { |
106
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0
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$self->add($buf); |
107
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} |
108
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0
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0
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_bail("Read failed") unless defined $n; |
109
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110
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0
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$self; |
111
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} |
112
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113
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sub addfile { |
114
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0
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0
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1
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my ($self, $file, $mode) = @_; |
115
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116
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0
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0
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return(_addfile($self, $file)) unless ref(\$file) eq 'SCALAR'; |
117
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118
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0
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0
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$mode = defined($mode) ? $mode : ""; |
119
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my ($binary, $UNIVERSAL, $BITS) = |
120
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0
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map { $_ eq $mode } ("b", "U", "0"); |
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0
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121
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122
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## Always interpret "-" to mean STDIN; otherwise use |
123
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## sysopen to handle full range of POSIX file names |
124
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125
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0
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local *FH; |
126
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0
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0
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0
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$file eq '-' and open(FH, '< -') |
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0
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127
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or sysopen(FH, $file, O_RDONLY) |
128
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or _bail('Open failed'); |
129
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130
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0
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0
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if ($BITS) { |
131
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0
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my ($n, $buf, $bits) = (0, "", ""); |
132
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0
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while (($n = read(FH, $buf, 4096))) { |
133
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0
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$buf =~ tr/01//cd; |
134
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0
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$bits .= $buf; |
135
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0
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0
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if (length($bits) >= 4096) { |
136
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0
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$self->add_bits(substr($bits, 0, 4096)); |
137
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0
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$bits = substr($bits, 4096); |
138
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} |
139
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} |
140
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0
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0
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$self->add_bits($bits) if length($bits) > 0; |
141
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0
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0
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_bail("Read failed") unless defined $n; |
142
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0
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close(FH); |
143
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0
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return($self); |
144
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} |
145
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146
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0
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0
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0
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binmode(FH) if $binary || $UNIVERSAL; |
147
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0
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0
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0
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if ($UNIVERSAL && _istext(*FH, $file)) { |
148
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0
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$self->_addfileuniv(*FH); |
149
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} |
150
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0
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else { $self->_addfilebin(*FH) } |
151
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0
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close(FH); |
152
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153
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0
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$self; |
154
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} |
155
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156
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eval { |
157
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require XSLoader; |
158
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XSLoader::load('Digest::SHA3', $VERSION); |
159
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1; |
160
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} or do { |
161
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require DynaLoader; |
162
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push @ISA, 'DynaLoader'; |
163
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Digest::SHA3->bootstrap($VERSION); |
164
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}; |
165
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166
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1; |
167
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__END__ |