X-Git-Url: https://git.distorted.org.uk/~mdw/catacomb/blobdiff_plain/0f00dc4c8eb47e67bc0f148c2dd109f73a451e0a..2c70dfbf7facca44ff6074d865f429a6ae0ace5e:/symm/rc4.h

diff --git a/symm/rc4.h b/symm/rc4.h
index caeeadbd..1e34c508 100644
--- a/symm/rc4.h
+++ b/symm/rc4.h
@@ -31,6 +31,9 @@
  * trade secret of RSA Data Security, Inc., but somehow source code for a
  * cipher which interworks with RC4 was posted to the Cypherpunks mailing
  * list.
+ *
+ * RC4 has some quite bad biases, and its use for cryptographic purposes is
+ * no longer recommended.
  */
 
 #ifndef CATACOMB_RC4_H
@@ -180,8 +183,8 @@ extern const gccipher rc4;
  *
  * Returns:	Pointer to generic random number generator interface.
  *
- * Use:		Creates a random number interface wrapper around an
- *		OFB-mode block cipher.
+ * Use:		Creates a random number interface wrapper around the RC4
+ *		stream cipher.
  */
 
 extern grand *rc4_rand(const void */*k*/, size_t /*sz*/);