class Origami::Encryption::RC4
Class wrapper for the RC4
algorithm.
Public Class Methods
decrypt(key, data)
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Decrypts data using the given key
# File lib/origami/encryption.rb, line 537 def RC4.decrypt(key, data) RC4.new(key).decrypt(data) end
encrypt(key, data)
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Encrypts data using the given key
# File lib/origami/encryption.rb, line 530 def RC4.encrypt(key, data) RC4.new(key).encrypt(data) end
new(key)
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Creates and initialises a new RC4
generator using given key
# File lib/origami/encryption.rb, line 544 def initialize(key) @key = key end
Public Instance Methods
cipher(data)
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Encrypt/decrypt data with the RC4
encryption algorithm
# File lib/origami/encryption.rb, line 551 def cipher(data) return '' if data.empty? rc4 = OpenSSL::Cipher::RC4.new.encrypt rc4.key_len = @key.length rc4.key = @key rc4.update(data) + rc4.final end