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Diff for /loncom/interface/loncommon.pm between versions 1.1173 and 1.1174

version 1.1173, 2014/02/11 14:29:04 version 1.1174, 2014/02/12 20:29:35
Line 75  use DateTime::Locale::Catalog; Line 75  use DateTime::Locale::Catalog;
 use Text::Aspell;  use Text::Aspell;
 use Authen::Captcha;  use Authen::Captcha;
 use Captcha::reCAPTCHA;  use Captcha::reCAPTCHA;
   use Crypt::DES;
   use DynaLoader; # for Crypt::DES version
   
 # ---------------------------------------------- Designs  # ---------------------------------------------- Designs
 use vars qw(%defaultdesign);  use vars qw(%defaultdesign);
Line 15045  sub check_recaptcha { Line 15047  sub check_recaptcha {
     return $captcha_chk;      return $captcha_chk;
 }  }
   
   sub emailusername_info {
       my @fields = ('lastname','firstname','institution','web','location','officialemail');
       my %titles = &Apache::lonlocal::texthash (
                        lastname      => 'Last Name',
                        firstname     => 'First Name',
                        institution   => 'School/college/university',
                        location      => "School's city, state/province, country",
                        web           => "School's web address",
                        officialemail => 'E-mail address at institution (if different)',
                    );
       return (\@fields,\%titles);
   }
   
 sub cleanup_html {  sub cleanup_html {
     my ($incoming) = @_;      my ($incoming) = @_;
     my $outgoing;      my $outgoing;
Line 15067  sub cleanup_html { Line 15082  sub cleanup_html {
     return $outgoing;      return $outgoing;
 }  }
   
   # Use:
   #   my $answer=reply("encrypt:passwd:$udom:$uname:$upass",$tryserver);
   #
   ##################################################
   #          password associated functions         #
   ##################################################
   sub des_keys {
       # Make a new key for DES encryption.
       # Each key has two parts which are returned separately.
       # Please note:  Each key must be passed through the &hex function
       # before it is output to the web browser.  The hex versions cannot
       # be used to decrypt.
       my @hexstr=('0','1','2','3','4','5','6','7',
                   '8','9','a','b','c','d','e','f');
       my $lkey='';
       for (0..7) {
           $lkey.=$hexstr[rand(15)];
       }
       my $ukey='';
       for (0..7) {
           $ukey.=$hexstr[rand(15)];
       }
       return ($lkey,$ukey);
   }
   
   sub des_decrypt {
       my ($key,$cyphertext) = @_;
       my $keybin=pack("H16",$key);
       my $cypher;
       if ($Crypt::DES::VERSION>=2.03) {
           $cypher=new Crypt::DES $keybin;
       } else {
           $cypher=new DES $keybin;
       }
       my $plaintext=
           $cypher->decrypt(unpack("a8",pack("H16",substr($cyphertext,0,16))));
       $plaintext.=
           $cypher->decrypt(unpack("a8",pack("H16",substr($cyphertext,16,16))));
       $plaintext=substr($plaintext,1,ord(substr($plaintext,0,1)) );
       return $plaintext;
   }
   
 =pod  =pod
   
 =back  =back
Removed from v.1.1173  
changed lines
  Added in v.1.1174

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