PhpDES encryption and decryption code example

PhpDES encryption and decryption code example

/** * Php des encryption and decryption * By http://bbs.it-home.org */ Function do_mencrypt ($ input, $ key) { $ Input = str_replace ("" n "," ", $ input ); $ Input = str_replace ("" t "," ", $ input ); $ Input = str_replace ("" r "," ", $ input ); $ Key = substr (md5 ($ key), 0, 24 ); $ Td = mcrypt_module_open ('tripledes ', '', 'ECB ',''); $ Iv = mcrypt_create_iv (mcrypt_enc_get_iv_size ($ td), MCRYPT_RAND ); Mcrypt_generic_init ($ td, $ key, $ iv ); $ Encrypted_data = mcrypt_generic ($ td, $ input ); Mcrypt_generic_deinit ($ td ); Mcrypt_module_close ($ td ); Return trim (chop (base64_encode ($ encrypted_data ))); } // $ Input-stuff to decrypt // $ Key-the secret key to use Function do_mdecrypt ($ input, $ key) { $ Input = str_replace ("" n "," ", $ input ); $ Input = str_replace ("" t "," ", $ input ); $ Input = str_replace ("" r "," ", $ input ); $ Input = trim (chop (base64_decode ($ input ))); $ Td = mcrypt_module_open ('tripledes ', '', 'ECB ',''); $ Key = substr (md5 ($ key), 0, 24 ); $ Iv = mcrypt_create_iv (mcrypt_enc_get_iv_size ($ td), MCRYPT_RAND ); Mcrypt_generic_init ($ td, $ key, $ iv ); $ Decrypted_data = mdecrypt_generic ($ td, $ input ); Mcrypt_generic_deinit ($ td ); Mcrypt_module_close ($ td ); Return trim (chop ($ decrypted_data )); } ?> Articles you may be interested in: Implementation methods of des encryption and decryption (php net) php code encrypted with 3des (compatible with. net)