Module: AES

Defined in:
lib/aes/aes.rb

Defined Under Namespace

Classes: AES

Class Method Summary collapse

Class Method Details

.decrypt(cipher_text, key, opts = {}) ⇒ Object

Decrypts the cipher_text with the provided key



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# File 'lib/aes/aes.rb', line 8

def decrypt(cipher_text, key, opts={})
  ::AES::AES.new(key, opts).decrypt(cipher_text)
end

.encrypt(plain_text, key, opts = {}) ⇒ Object

Encrypts the plain_text with the provided key



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# File 'lib/aes/aes.rb', line 4

def encrypt(plain_text, key, opts={})
  ::AES::AES.new(key, opts).encrypt(plain_text)
end

.iv(format = :plain) ⇒ Object

Generates a random iv Default format is :plain



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# File 'lib/aes/aes.rb', line 24

def iv(format=:plain)
  iv = ::AES::AES.new("").random_iv
  case format
  when :base_64
    Base64.encode64(iv).chomp
  else
    iv
  end      
end

.key(length = 256, format = :plain) ⇒ Object

Generates a random key of the specified length in bits Default format is :plain



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# File 'lib/aes/aes.rb', line 13

def key(length=256,format=:plain)
  key = ::AES::AES.new("").random_key(length)
  case format
  when :base_64
    Base64.encode64(key).chomp
  else
    key
  end
end