X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=sshdes.c;h=5fdb89a5b6e6707989fcc1057e4ac44b79e6258a;hb=ba470dec5e37ffbde05425f48e7e9a64219aec2e;hp=6ea32a14010c3ec6a0df340b50c65ed7825bf42c;hpb=d36a4c3685f17057ba2c80ac471c1284b615469f;p=PuTTY.git

diff --git a/sshdes.c b/sshdes.c
index 6ea32a14..5fdb89a5 100644
--- a/sshdes.c
+++ b/sshdes.c
@@ -942,9 +942,12 @@ static const struct ssh2_cipher ssh_3des_ssh2 = {
 };
 
 /*
- * Single DES in ssh2. It isn't clear that "des-cbc" is an official
- * cipher name, but ssh.com support it and apparently aren't the
- * only people to do so, so we sigh and implement it anyway.
+ * Single DES in ssh2. "des-cbc" is marked as HISTORIC in
+ * draft-ietf-secsh-assignednumbers-04.txt, referring to
+ * FIPS-46-3.  ("Single DES (i.e., DES) will be permitted 
+ * for legacy systems only.") , but ssh.com support it and 
+ * apparently aren't the only people to do so, so we sigh 
+ * and implement it anyway.
  */
 static const struct ssh2_cipher ssh_des_ssh2 = {
     des_make_context, des3_free_context, des3_iv, des_key,