Sha256: 6bf1a8867dcf745834f35dd26a058c58b9d626e8bfca5e4919ed024e65480251
Contents?: true
Size: 990 Bytes
Versions: 8
Compression:
Stored size: 990 Bytes
Contents
module Xmlenc
module Algorithms
class AESCBC
class << self
def [](size)
new(size)
end
end
def initialize(size)
@size = size
end
def setup(key = nil)
@cipher= nil
@iv = nil
@key = key || cipher.random_key
self
end
def decrypt(cipher_value, options = {})
cipher.decrypt
cipher.key = @key
cipher.iv = cipher_value[0...iv_len]
cipher.update(cipher_value[iv_len..-1]) << cipher.final
end
def encrypt(data, options = {})
cipher.encrypt
cipher.key = @key
cipher.iv = iv
iv << cipher.update(data) << cipher.final
end
def key
@key
end
private
def iv
@iv ||= cipher.random_iv
end
def iv_len
cipher.iv_len
end
def cipher
@cipher ||= OpenSSL::Cipher::Cipher.new("aes-#{@size}-cbc")
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems