php Programming Glossary: derivation

http://stackoverflow.com/questions/10281373/hash-vs-crypt-function-comparison

purpose function. It's used for password hashing and key derivation. You'll need to pass in a salt which indirectly determines the.. choose CRYPT_SHA512 this isn't plain SHA512. It's a key derivation function that uses SHA512 as building block. In particular such..

Password Hashing in 2013

http://stackoverflow.com/questions/19732387/password-hashing-in-2013

just switch it out after upgrading to PHP5.5 PBKDF2 key derivation function as defined by RSA's PKCS #5 https www.ietf.org rfc..

Rewrite Rijndael 256 C# Encryption Code in PHP

http://stackoverflow.com/questions/3505453/rewrite-rijndael-256-c-sharp-encryption-code-in-php

PasswordDeriveBytes . This is documented to do PBKDF1 key derivation as per RFC2898 This class uses an extension of the PBKDF1 algorithm..

How can I encrypt with AES in C# so I can decrypt it in PHP?

http://stackoverflow.com/questions/4192658/how-can-i-encrypt-with-aes-in-c-sharp-so-i-can-decrypt-it-in-php

size Key length must be agreed if there is a choice Key derivation how to create the bit string to be used for the key Mode which..

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

used. Instead the key is stretched by a standard PBKDF2 derivation. The key used for encryption is unique for every encrypted block..

is there a way to reverse a hash without rainbow tables? [duplicate]

http://stackoverflow.com/questions/7523625/is-there-a-way-to-reverse-a-hash-without-rainbow-tables

really use a hash primitive function but uses the key derivation cycle of the Blowfish cipher. It's available in PHP via crypt..

PHP Equivalent for Java Triple DES encryption/decryption

http://stackoverflow.com/questions/8530312/php-equivalent-for-java-triple-des-encryption-decryption

message. As for the key it's best to use some kind of key derivation method to generate a key with the right size from a human generated..

Update old stored md5 passwords in PHP to increase security

http://stackoverflow.com/questions/8841719/update-old-stored-md5-passwords-in-php-to-increase-security

or the random part of it is to apply a password based key derivation function to the password and the message M to be processed... continues until P17 and P18 are populated. That's the key derivation from the Blowfish Cipher. BCrypt modifies that to this The 64..