lib/crypto: Explode crypto.nit into package

[nit.git] / lib / crypto / basic_ciphers.nit

diff --git a/lib/crypto.nit b/lib/crypto/basic_ciphers.nit
similarity index 93%
rename from lib/crypto.nit
rename to lib/crypto/basic_ciphers.nit
index 0b52c99..e4a133c 100644 (file)
--- a/lib/crypto.nit
+++ b/lib/crypto/basic_ciphers.nit
@@ -12,8 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# Mix of all things cryptography-related
-module crypto
+# Basic cryptographic ciphers and utilities.
+module basic_ciphers
 
 redef class Char
        # Rotates self of `x`
@@ -157,22 +157,6 @@ redef class Text
 end
 
 redef class Bytes
-
-       # Returns `self` xored with `key`
-       #
-       # The key is cycled through until the `self` has been completely xored.
-       #
-       #     assert "goodmorning".to_bytes.xorcipher(" ".to_bytes) == "GOODMORNING".bytes
-       fun xorcipher(key: Bytes): Bytes do
-               var xored = new Bytes.with_capacity(self.length)
-
-               for i in self.length.times do
-                       xored.add(self[i] ^ key[i % key.length])
-               end
-
-               return xored
-       end
-
        # Computes the edit/hamming distance of two sequences of bytes.
        #
        #     assert "this is a test".to_bytes.hamming_distance("wokka wokka!!!".bytes) == 37
@@ -189,7 +173,6 @@ redef class Bytes
                end
                return diff
        end
-
 end
 
 redef class Int