fix key copy

cipher.cc

@@ -56,11 +56,8 @@ void cipher::init(const string& phrase) {
   dig.initDigest();
   dig.putDigest( (unsigned char *)phrase.c_str(), phrase.length() );
   __key = dig.stringDigest(); // this is a 32 byte long string, as Rijndael:: expects
-  
-  /* convert the key to unsigned char[] */
-  for(int i=0; i<32; i++) {
-    key[i] = __key[i];
-  }
+
+  memcpy(key, __key, 32);
 }
 
 

cipher.h

@@ -61,7 +61,6 @@ class cipher {
   Rijndael rijn;
   MD5Digest dig;
   unsigned char key[32];
-  string blah;
   const char* error(int num);
 
  public: