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Diff for /palm/Palm-Keyring/lib/Palm/Keyring.pm between version 1.54 and 1.56

version 1.54, 2007/12/05 05:42:29 version 1.56, 2008/09/18 07:04:55
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 package Palm::Keyring;  package Palm::Keyring;
 # $RedRiver: Keyring.pm,v 1.53 2007/12/04 03:34:17 andrew Exp $  # $RedRiver: Keyring.pm,v 1.55 2008/09/17 14:47:47 andrew Exp $
 ########################################################################  ########################################################################
 # Keyring.pm *** Perl class for Keyring for Palm OS databases.  # Keyring.pm *** Perl class for Keyring for Palm OS databases.
 #  #
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         else {          else {
             $options->{password} = shift;              $options->{password} = shift;
             $options->{version}  = shift;              $options->{version}  = shift;
               $options->{cipher}   = shift;
         }          }
     }      }
   
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         $self->{appinfo}->{iter}   ||= $self->{options}->{iterations};          $self->{appinfo}->{iter}   ||= $self->{options}->{iterations};
     };      };
   
       if ( defined $options->{file} ) {
           $self->Load($options->{file});
       }
   
     if ( defined $options->{password} ) {      if ( defined $options->{password} ) {
         $self->Password($options->{password});          $self->Password($options->{password});
     }      }
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         }          }
     }      }
   
     my $rc = $self->SUPER::Write(@_);      my @rc = $self->SUPER::Write(@_);
   
     if ($self->{version} == 4) {      if ($self->{version} == 4) {
         shift @{ $self->{records} };          shift @{ $self->{records} };
     }      }
   
     return $rc;      return @rc;
 }  }
   
 # ParseRecord  # ParseRecord
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     my $self     = shift;      my $self     = shift;
   
     my $rec = $self->SUPER::ParseRecord(@_);      my $rec = $self->SUPER::ParseRecord(@_);
     return $rec if ! exists $rec->{data};      return $rec if !(defined $rec->{data} && length $rec->{data} );
   
     if ($self->{version} == 4) {      if ($self->{version} == 4) {
         # skip the first record because it contains the password.          # skip the first record because it contains the password.
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             $self->{encpassword} = $rec->{data};              $self->{encpassword} = $rec->{data};
             return '__DELETE_ME__';              return '__DELETE_ME__';
         }          }
   
         if ($self->{records}->[0] eq '__DELETE_ME__') {          if ($self->{records}->[0] eq '__DELETE_ME__') {
             shift @{ $self->{records} };              shift @{ $self->{records} };
         }          }
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         $rec->{encrypted} = substr $extra, $blocksize;          $rec->{encrypted} = substr $extra, $blocksize;
   
     } else {      } else {
           # XXX Can never get here to test, ParseAppInfoBlock is always run
           # XXX first by Load().
         croak "Unsupported Version $self->{version}";          croak "Unsupported Version $self->{version}";
         return;  
     }      }
   
     return $rec;      return $rec;
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     my $self = shift;      my $self = shift;
     my $rec  = shift;      my $rec  = shift;
   
       # XXX This probably shouldn't croak, just make something up
       croak "No encrypted content to pack" if !defined $rec->{encrypted};
   
     if ($self->{version} == 4) {      if ($self->{version} == 4) {
         if ($rec->{encrypted}) {          if ($rec->{encrypted}) {
             my $name = $rec->{plaintext}->{0}->{data} || $EMPTY;              my $name = $rec->{plaintext}->{0}->{data} || $EMPTY;
             $rec->{data} = join $NULL, $name, $rec->{encrypted};              $rec->{data} = join $NULL, $name, $rec->{encrypted};
             delete $rec->{plaintext};  
             delete $rec->{encrypted};  
         }          }
   
     } elsif ($self->{version} == 5) {      } elsif ($self->{version} == 5) {
           # XXX This probably shouldn't croak, just make something up
           croak "No ivec" if !$rec->{ivec};
   
         my $field;          my $field;
         if ($rec->{plaintext}->{0}) {          if ($rec->{plaintext}->{0}) {
             $field = $rec->{plaintext}->{0};              $field = $rec->{plaintext}->{0};
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     } else {      } else {
         croak "Unsupported Version $self->{version}";          croak "Unsupported Version $self->{version}";
     }      }
       # XXX Should I?
       delete $rec->{plaintext};
       delete $rec->{encrypted};
   
     return $self->SUPER::PackRecord($rec, @_);      return $self->SUPER::PackRecord($rec, @_);
 }  }
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     my ($len) = unpack "n", $field;      my ($len) = unpack "n", $field;
     if ($len + 4 > length $field) {      if ($len + 4 > length $field) {
         return undef, $field;          return (undef, $field);
     }      }
     my $unpackstr = "x2 C1 C1 A$len";      my $unpackstr = "x2 C1 C1 A$len";
     my $offset    =   2 +1 +1 +$len;      my $offset    =   2 +1 +1 +$len;
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     my $maxlines = shift; # Max # of lines to dump      my $maxlines = shift; # Max # of lines to dump
     my $offset;           # Offset of current chunk      my $offset;           # Offset of current chunk
   
       my @lines;
   
     for ($offset = 0; $offset < length($data); $offset += 16)      for ($offset = 0; $offset < length($data); $offset += 16)
     {      {
         my $hex;   # Hex values of the data          my $hex;   # Hex values of the data
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         ($ascii = $chunk) =~ y/\040-\176/./c;          ($ascii = $chunk) =~ y/\040-\176/./c;
   
         printf "%s %-48s|%-16s|\n", $prefix, $hex, $ascii;          push @lines, sprintf "%s %-48s|%-16s|\n", $prefix, $hex, $ascii;
     }      }
       return wantarray ? @lines : \@lines;
 }  }
   
 sub _bindump  sub _bindump
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     my $maxlines = shift; # Max # of lines to dump      my $maxlines = shift; # Max # of lines to dump
     my $offset;           # Offset of current chunk      my $offset;           # Offset of current chunk
   
       my @lines;
   
     for ($offset = 0; $offset < length($data); $offset += 8)      for ($offset = 0; $offset < length($data); $offset += 8)
     {      {
         my $bin;   # binary values of the data          my $bin;   # binary values of the data
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         ($ascii = $chunk) =~ y/\040-\176/./c;          ($ascii = $chunk) =~ y/\040-\176/./c;
   
         printf "%s %-72s|%-8s|\n", $prefix, $bin, $ascii;          push @lines, sprintf "%s %-72s|%-8s|\n", $prefix, $bin, $ascii;
     }      }
       return wantarray ? @lines : \@lines;
 }  }
   
 # Thanks to Jochen Hoenicke <hoenicke@gmail.com>  # Thanks to Jochen Hoenicke <hoenicke@gmail.com>
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 # keylen is length of generated key in bytes  # keylen is length of generated key in bytes
 # prf is the pseudo random function (e.g. hmac_sha1)  # prf is the pseudo random function (e.g. hmac_sha1)
 # returns the key.  # returns the key.
 sub _pbkdf2($$$$$)  sub _pbkdf2
 {  {
     my ($password, $salt, $iter, $keylen, $prf) = @_;      my ($password, $salt, $iter, $keylen, $prf) = @_;
     my ($k, $t, $u, $ui, $i);      my ($k, $t, $u, $ui, $i);
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     return substr($t, 0, $keylen);      return substr($t, 0, $keylen);
 }  }
   
 sub _DES_odd_parity($) {  sub _DES_odd_parity {
     my $key = $_[0];      my $key = $_[0];
     my ($r, $i);      my ($r, $i);
     my @odd_parity = (      my @odd_parity = (
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 =head2 new  =head2 new
   
     $pdb = new Palm::Keyring([$password[, $version]]);      $pdb = new Palm::Keyring([$password[, $version[, $cipher]]]);
   
 Create a new PDB, initialized with the various Palm::Keyring fields  Create a new PDB, initialized with the various Palm::Keyring fields
 and an empty record list.  and an empty record list.
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 =item iterations  =item iterations
   
 The number of iterations to encrypt with.  Only used by somy crypts in v5 databases.  The number of iterations to encrypt with.  Only used by somy crypts in v5 databases.
   
   =item file
   
   The name of a file to Load().  This will override many of the other options.
   
 =back  =back
   
Legend:
Removed from v.1.54  
changed lines
  Added in v.1.56
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