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require 'base64'
class Secure
def initialize(key)
@key = Base64.decode64(key)
end
def self.random_key
cipher = OpenSSL::Cipher::AES256.new(:CBC)
Base64.encode64(cipher.random_key).gsub("\n", "")
end
def encrypt(secret)
cipher = OpenSSL::Cipher::AES256.new(:CBC)
cipher.encrypt
cipher.key = @key
iv = cipher.random_iv
encrypted = cipher.update(secret) + cipher.final
Base64.encode64(iv + encrypted).gsub("\n", "")
end
def decrypt(input)
data = Base64.decode64(input)
cipher = OpenSSL::Cipher::AES256.new(:CBC)
cipher.decrypt
cipher.key = @key
cipher.iv = data[0..15]
cipher.update(data[16..-1]) + cipher.final
end
end
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