Re: attempt to use an empty IV with mcrypt

On Monday 05 February 2001 06:13, twm139@its.to wrote: > I get the following warning when I turn on logging... > > > Warning: attempt to use an empty IV, which is NOT recommend in > /home/local/apache/htdocs/encrypt.php on line 21 > > > Here is the code and which line is Nr. 21? > $key = "testing"; > $input = "Secret data"; > > $encrypted_data = mcrypt_ecb (MCRYPT_DES, $key, $input, > MCRYPT_ENCRYPT); > > print "The CypherText in DES ECB is <BR>".bin2hex > ($encrypted_data)."\n<br>"; > > > $encrypted_data = mcrypt_ecb (MCRYPT_TWOFISH, $key, $input, > MCRYPT_ENCRYPT); > > print "The CypherText in TWOFISH ECB is <BR>".bin2hex > ($encrypted_data)."\n<br>"; > > $encrypted_data = mcrypt_cbc (MCRYPT_TWOFISH, $key, $input, > MCRYPT_ENCRYPT); > > print "The CypherText in TWOFISH CBC is <BR>".bin2hex > ($encrypted_data)."\n<br>"; > > ?> -- Christian Reiniger LGDC Webmaster (http://sunsite.dk/lgdc/) Pretty cool, the kind of power information technology puts in our hands these days. - Securityfocus on probing 36000000 hosts for known problems in 3 weeks