;;;; cmucl-help mailing-list hosted at cons.org, in November 2001 and
;;;; has been placed into the public domain.
;;;;
-;;;; $Id: md5.lisp,v 1.3 2003/05/04 19:12:26 kevin Exp $
+;;;; $Id$
;;;;
;;;; While the implementation should work on all conforming Common
;;;; Lisp implementations, it has only been optimized for CMU CL,
;;; Section 2: Basic Datatypes
-(deftype ub32 ()
- "Corresponds to the 32bit quantity word of the MD5 Spec"
- `(unsigned-byte 32))
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (deftype ub32 ()
+ "Corresponds to the 32bit quantity word of the MD5 Spec"
+ `(unsigned-byte 32)))
(defmacro assemble-ub32 (a b c d)
"Assemble an ub32 value from the given (unsigned-byte 8) values,
(declare (type md5-regs regs)
(type (simple-array ub32 (16)) block)
(optimize (speed 3) (safety 0) (space 0) (debug 0)))
- (let ((a (md5-regs-a regs)) (b (md5-regs-b regs))
- (c (md5-regs-c regs)) (d (md5-regs-d regs)))
- (declare (type ub32 a b c d))
+ (let ((A (md5-regs-a regs)) (B (md5-regs-b regs))
+ (C (md5-regs-c regs)) (D (md5-regs-d regs)))
+ (declare (type ub32 A B C D))
;; Round 1
(with-md5-round (f block)
(A B C D 0 7 1)(D A B C 1 12 2)(C D A B 2 17 3)(B C D A 3 22 4)
(A B C D 8 6 57)(D A B C 15 10 58)(C D A B 6 15 59)(B C D A 13 21 60)
(A B C D 4 6 61)(D A B C 11 10 62)(C D A B 2 15 63)(B C D A 9 21 64))
;; Update and return
- (setf (md5-regs-a regs) (mod32+ (md5-regs-a regs) a)
- (md5-regs-b regs) (mod32+ (md5-regs-b regs) b)
- (md5-regs-c regs) (mod32+ (md5-regs-c regs) c)
- (md5-regs-d regs) (mod32+ (md5-regs-d regs) d))
+ (setf (md5-regs-a regs) (mod32+ (md5-regs-a regs) A)
+ (md5-regs-b regs) (mod32+ (md5-regs-b regs) B)
+ (md5-regs-c regs) (mod32+ (md5-regs-c regs) C)
+ (md5-regs-d regs) (mod32+ (md5-regs-d regs) D))
regs))
;;; Section 3.4: Converting 8bit-vectors into 16-Word Blocks
(update-md5-state state sequence :start start :end real-end))
(finalize-md5-state state)))
-(defconstant +buffer-size+ (* 128 1024)
- "Size of internal buffer to use for md5sum-stream and md5sum-file
-operations. This should be a multiple of 64, the MD5 block size.")
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (defconstant +buffer-size+ (* 128 1024)
+ "Size of internal buffer to use for md5sum-stream and md5sum-file
+operations. This should be a multiple of 64, the MD5 block size."))
(deftype buffer-index () `(integer 0 ,+buffer-size+))