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php Programming Glossary: ivHow to encrypt/decrypt data in php? http://stackoverflow.com/questions/10916284/how-to-encrypt-decrypt-data-in-php sizes can be found via mcrypt_get_key_size and mcrypt_get_iv_size respectively. The example code here works with AES 128.. via mcrypt_get_key_size and mcrypt_get_iv_size respectively. The example code here works with AES 128 in CFB mode so.. to create a chain of encryption keys . Keep these as private as possible. IV The initialisation vector adds some randomness..
Best way to use PHP to encrypt and decrypt passwords? [duplicate] http://stackoverflow.com/questions/1289061/best-way-to-use-php-to-encrypt-and-decrypt-passwords ' string to be encrypted ' note the spaces To Encrypt iv mcrypt_create_iv mcrypt_get_iv_size MCRYPT_RIJNDAEL_256 MCRYPT_MODE_CBC.. be encrypted ' note the spaces To Encrypt iv mcrypt_create_iv mcrypt_get_iv_size MCRYPT_RIJNDAEL_256 MCRYPT_MODE_CBC MCRYPT_DEV_URANDOM.. note the spaces To Encrypt iv mcrypt_create_iv mcrypt_get_iv_size MCRYPT_RIJNDAEL_256 MCRYPT_MODE_CBC MCRYPT_DEV_URANDOM..
PHP Mcrypt - Encrypting / Decrypting file http://stackoverflow.com/questions/2448256/php-mcrypt-encrypting-decrypting-file td mcrypt_module_open self CYPHER '' self MODE '' iv mcrypt_create_iv mcrypt_enc_get_iv_size td MCRYPT_RAND mcrypt_generic_init.. self CYPHER '' self MODE '' iv mcrypt_create_iv mcrypt_enc_get_iv_size td MCRYPT_RAND mcrypt_generic_init td.. CYPHER '' self MODE '' iv mcrypt_create_iv mcrypt_enc_get_iv_size td MCRYPT_RAND mcrypt_generic_init td self KEY iv crypttext..
PHP 2-way encryption: I need to store passwords that can be retrieved http://stackoverflow.com/questions/5089841/php-2-way-encryption-i-need-to-store-passwords-that-can-be-retrieved to encrypt the passwords with Where do I store the private key Instead of storing the private key is it a good idea.. Where do I store the private key Instead of storing the private key is it a good idea to require users to enter the private.. key is it a good idea to require users to enter the private key any time they need a password decrypted Users of this..
How to encrypt/decrypt data in php? http://stackoverflow.com/questions/10916284/how-to-encrypt-decrypt-data-in-php your table definition UserID Fname Lname Email # Password IV Here are the changes The fields marked with as asterisk Fname.. a one way password hash effected by the crypt function The IV field is used to store the initialisation vector used for encryption... of encryption keys . Keep these as private as possible. IV The initialisation vector adds some randomness to the encryption..
Secure random number generation in PHP http://stackoverflow.com/questions/1182584/secure-random-number-generation-in-php bits for security or cryptographic purposes e.g.g. random IV for block cipher random salt for password hash mt_rand is a..
How to do AES256 decryption in PHP? http://stackoverflow.com/questions/1628138/how-to-do-aes256-decryption-in-php choice. According to the link you provided your key and IV are twice as long as they should be How do you do 256 bit AES.. key128 '1234567890123456' Here's our 128 bit IV which is used for both 256 bit and 128 bit keys. iv '1234567890123456'..
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Cross platform (php to C# .NET) encryption/decryption with Rijndael http://stackoverflow.com/questions/4329260/cross-platform-php-to-c-sharp-net-encryption-decryption-with-rijndael String DecryptRJ256 string cypher string KeyString string IVString string sRet RijndaelManaged rj new RijndaelManaged UTF8Encoding.. cypher byte Key encoding.GetBytes KeyString byte IV encoding.GetBytes IVString rj.Padding PaddingMode.Zeros rj.Mode.. Key encoding.GetBytes KeyString byte IV encoding.GetBytes IVString rj.Padding PaddingMode.Zeros rj.Mode CipherMode.CBC rj.KeySize..
PHP 2-way encryption: I need to store passwords that can be retrieved http://stackoverflow.com/questions/5089841/php-2-way-encryption-i-need-to-store-passwords-that-can-be-retrieved array An array of keys a cipher key a mac key and a IV protected function getKeys salt key ivSize mcrypt_get_iv_size..
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