From 3014234ad49617dc198c097e2c6e9a0b7d32580c Mon Sep 17 00:00:00 2001
From: okada <okada>
Date: Mon, 13 Dec 1999 01:53:15 +0000
Subject: [PATCH] * unique-id.el: New file. * scram-md5.el (TopLevel): Require
 `unique-id'. (scram-make-unique-nonce): Use `unique-id'. *
 sasl.el (sasl-number-base36): Delete.
 (sasl-unique-id-char): Delete. (sasl-unique-id): Delete.

---
 ChangeLog    |    9 +++++++++
 sasl.el      |   51 ---------------------------------------------------
 scram-md5.el |    5 +++--
 3 files changed, 12 insertions(+), 53 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 5223319..227af99 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,14 @@
 1999-12-13  Kenichi OKADA <okada@opaopa.org>
 
+	* unique-id.el: New file.
+	* scram-md5.el (TopLevel): Require `unique-id'.
+	(scram-make-unique-nonce): Use `unique-id'.
+	* sasl.el (sasl-number-base36): Delete.
+	(sasl-unique-id-char): Delete.
+	(sasl-unique-id): Delete.
+
+1999-12-13  Kenichi OKADA <okada@opaopa.org>
+
 	* FLIM-ELS (flim-modules): Add `digest-md5'.
 
 1999-12-13  Kenichi OKADA <okada@opaopa.org>
diff --git a/sasl.el b/sasl.el
index e08601f..66f278e 100644
--- a/sasl.el
+++ b/sasl.el
@@ -112,57 +112,6 @@
 	     (scram-md5-parse-server-msg-1 server-msg-1))
 	    salted-pass)))
 
-;;; unique-ID
-(defun sasl-number-base36 (num len)
-  (if (if (< len 0)
-	  (<= num 0)
-	(= len 0))
-      ""
-    (concat (sasl-number-base36 (/ num 36) (1- len))
-	    (char-to-string (aref "zyxwvutsrqponmlkjihgfedcba9876543210"
-				  (% num 36))))))
-
-(defvar sasl-unique-id-char nil)
-
-(defun sasl-unique-id ()
-  ;; Don't use microseconds from (current-time), they may be unsupported.
-  ;; Instead we use this randomly inited counter.
-  (setq sasl-unique-id-char
-	(% (1+ (or sasl-unique-id-char (logand (random t) (1- (lsh 1 20)))))
-	   ;; (current-time) returns 16-bit ints,
-	   ;; and 2^16*25 just fits into 4 digits i base 36.
-	   (* 25 25)))
-  (let ((tm (static-if (fboundp 'current-time)
-		(current-time)
-	      (let* ((cts (split-string (current-time-string) "[ :]"))
-		     (m (cdr (assoc (nth 1 cts)
-				    '(("Jan" . "01") ("Feb" . "02")
-				      ("Mar" . "03") ("Apr" . "04")
-				      ("May" . "05") ("Jun" . "06")
-				      ("Jul" . "07") ("Aug" . "08")
-				      ("Sep" . "09") ("Oct" . "10")
-				      ("Nov" . "11") ("Dec" . "12"))))))
-		(list (string-to-int (concat (nth 6 cts) m
-					     (substring (nth 2 cts) 0 1)))
-		      (string-to-int (concat (substring (nth 2 cts) 1)
-					     (nth 4 cts) (nth 5 cts)
-					     (nth 6 cts))))))))
-    (concat
-     (if (memq system-type '(ms-dos emx vax-vms))
-	 (let ((user (downcase (user-login-name))))
-	   (while (string-match "[^a-z0-9_]" user)
-	     (aset user (match-beginning 0) ?_))
-	   user)
-       (sasl-number-base36 (user-uid) -1))
-     (sasl-number-base36 (+ (car   tm)
-			  (lsh (% sasl-unique-id-char 25) 16)) 4)
-     (sasl-number-base36 (+ (nth 1 tm)
-			  (lsh (/ sasl-unique-id-char 25) 16)) 4)
-     ;; Append the name of the message interface, because while the
-     ;; generated ID is unique to this newsreader, other newsreaders
-     ;; might otherwise generate the same ID via another algorithm.
-     ".sasl")))
-
 (provide 'sasl)
 
 ;;; sasl.el ends here
diff --git a/scram-md5.el b/scram-md5.el
index d9f399c..6891600 100644
--- a/scram-md5.el
+++ b/scram-md5.el
@@ -39,7 +39,8 @@
 
 ;;; Code:
 
-(require 'hmac-md5)			; (hmac-md5 TEXT KEY)
+(require 'hmac-md5)
+(require 'unique-id)
 
 (defmacro scram-security-info-no-security-layer (security-info)
   `(eq (logand (aref ,security-info 0) 1) 1))
@@ -71,7 +72,7 @@
   (let (id)
     (unwind-protect
 	(concat "<" 
-		(setq id (sasl-unique-id))
+		(setq id (unique-id-m ".sasl"))
 		"@" (system-name) ">")
       (fillarray id 0))))
 
-- 
1.7.10.4