aes_cbc_hs.rb in jwe-0.1.1

- old
+ new

@@ -20,32 +20,32 @@
         ciphertext = cipher.update(cleartext) + cipher.final
         length = [ciphertext.length * 8].pack('Q>') # 64bit big endian
 
         to_sign = authenticated_data + iv + ciphertext + length
         signature = OpenSSL::HMAC.digest(OpenSSL::Digest.new(hash_name), mac_key, to_sign)
-        self.tag = signature[0 ... mac_key.length]
+        self.tag = signature[0...mac_key.length]
 
         ciphertext
       end
 
       def decrypt(ciphertext, authenticated_data)
         raise JWE::BadCEK.new("The supplied key is invalid. Required length: #{key_length}") if cek.length != key_length
 
         length = [ciphertext.length * 8].pack('Q>') # 64bit big endian
         to_sign = authenticated_data + iv + ciphertext + length
         signature = OpenSSL::HMAC.digest(OpenSSL::Digest.new(hash_name), mac_key, to_sign)
-        if signature[0 ... mac_key.length] != tag
-          raise JWE::InvalidData.new("Authentication tag verification failed")
+        if signature[0...mac_key.length] != tag
+          raise JWE::InvalidData.new('Authentication tag verification failed')
         end
 
         cipher.decrypt
         cipher.key = enc_key
         cipher.iv = iv
 
         cipher.update(ciphertext) + cipher.final
       rescue OpenSSL::Cipher::CipherError
-        raise JWE::InvalidData.new("Invalid ciphertext or authentication tag")
+        raise JWE::InvalidData.new('Invalid ciphertext or authentication tag')
       end
 
       def iv
         @iv ||= SecureRandom.random_bytes(16)
       end
@@ -53,24 +53,24 @@
       def cek
         @cek ||= SecureRandom.random_bytes(key_length)
       end
 
       def mac_key
-        cek[0 ... key_length / 2]
+        cek[0...key_length / 2]
       end
 
       def enc_key
-        cek[key_length / 2 .. -1 ]
+        cek[key_length / 2..-1]
       end
 
       def cipher
         @cipher ||= OpenSSL::Cipher.new(cipher_name)
       rescue RuntimeError
         raise JWE::NotImplementedError.new("The version of OpenSSL linked to your Ruby does not support the cipher #{cipher_name}.")
       end
 
       def tag
-        @tag || ""
+        @tag || ''
       end
 
       def self.included(base)
         base.extend(ClassMethods)
       end