lib/symmetric_encryption/key.rb in symmetric-encryption-4.1.0.beta1 vs lib/symmetric_encryption/key.rb in symmetric-encryption-4.1.0

@@ -9,10 +9,11 @@
       @cipher_name = cipher_name
     end
 
     def encrypt(string)
       return if string.nil?
+
       string = string.to_s
       return string if string.empty?
 
       # Creates a new OpenSSL::Cipher with every call so that this key instance is thread-safe.
       openssl_cipher = ::OpenSSL::Cipher.new(cipher_name)
@@ -24,9 +25,10 @@
       result << openssl_cipher.final
     end
 
     def decrypt(encrypted_string)
       return if encrypted_string.nil?
+
       encrypted_string = encrypted_string.to_s
       encrypted_string.force_encoding(SymmetricEncryption::BINARY_ENCODING)
       return encrypted_string if encrypted_string.empty?
 
       # Creates a new OpenSSL::Cipher with every call so that this key instance is thread-safe.