Module: Rubber::Encryption

Extended by:
Encryption
Included in:
Encryption
Defined in:
lib/rubber/encryption.rb

Instance Method Summary collapse

Instance Method Details

#cipher_algorithm ⇒ Object 



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# File 'lib/rubber/encryption.rb', line 7

def cipher_algorithm
  OpenSSL::Cipher.new("AES-256-CBC")
end

#cipher_digest ⇒ Object 



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# File 'lib/rubber/encryption.rb', line 11

def cipher_digest
  OpenSSL::Digest.new("SHA256")
end

#decrypt(encoded_encrypted_data, secret) ⇒ Object 



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# File 'lib/rubber/encryption.rb', line 31

def decrypt(encoded_encrypted_data, secret)
  cipher = cipher_algorithm

  cipher.decrypt
  cipher.pkcs5_keyivgen(cipher_digest.hexdigest(secret))
  
  encrypted_data = Base64.decode64(encoded_encrypted_data)
  payload = cipher.update(encrypted_data) + cipher.final
  
  return payload
end

#encrypt(payload, secret) ⇒ Object 



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# File 'lib/rubber/encryption.rb', line 19

def encrypt(payload, secret)
  cipher = cipher_algorithm

  cipher.encrypt
  cipher.pkcs5_keyivgen(cipher_digest.hexdigest(secret))
  
  encrypted_data = cipher.update(payload) + cipher.final
  encoded_encrypted_data = Base64.encode64(encrypted_data)
  
  return encoded_encrypted_data
end

#generate_encrypt_key ⇒ Object 



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# File 'lib/rubber/encryption.rb', line 15

def generate_encrypt_key
  OpenSSL::Digest.hexdigest('md5', rand.to_s)
end