Encryptor

A simple wrapper for the standard ruby OpenSSL library

See http://github.com/shuber/attr_encrypted to easily encrypt/decrypt attributes in any class

Installation

gem install shuber-encryptor --source http://gems.github.com

Usage

secret_key = Digest::SHA256.hexdigest('a secret key')
encrypted_value = Huberry::Encryptor.encrypt(:value => 'some string to encrypt', :key => secret_key) # '������{)��q�ށ�ܣ��q���Au/�ޜP'
decrypted_value = Huberry::Encryptor.decrypt(:value => encrypted_value, :key => secret_key) # 'some string to encrypt'

You may also pass the :iv and :algorithm options but they are not required. If an algorithm is not specified, the Encryptor uses the algorithm found at Huberry::Encryptor.default_options[:algorithm] which is aes-256-cbc by default. You can change the default options by overwriting or merging this attribute:

Huberry::Encryptor.default_options.merge!(:algorithm => 'bf', :key => 'some default secret key')

You can extract the Encryptor module out of the Huberry namespace if you'd like

Encryptor = Huberry::Encryptor

Run openssl list-cipher-commands in your terminal to view a list all cipher algorithms that are supported on your platform.

aes-128-cbc
aes-128-ecb
aes-192-cbc
aes-192-ecb
aes-256-cbc
aes-256-ecb
base64
bf
bf-cbc
bf-cfb
bf-ecb
bf-ofb
cast
cast-cbc
cast5-cbc
cast5-cfb
cast5-ecb
cast5-ofb
des
des-cbc
des-cfb
des-ecb
des-ede
des-ede-cbc
des-ede-cfb
des-ede-ofb
des-ede3
des-ede3-cbc
des-ede3-cfb
des-ede3-ofb
des-ofb
des3
desx
idea
idea-cbc
idea-cfb
idea-ecb
idea-ofb
rc2
rc2-40-cbc
rc2-64-cbc
rc2-cbc
rc2-cfb
rc2-ecb
rc2-ofb
rc4
rc4-40

Contact

Problems, comments, and suggestions all welcome: shuber@huberry.com