diff -r 39fec79de6e8 -r d0aadddb9c64 MYDigest.h
--- a/MYDigest.h	Sun Jun 07 21:53:56 2009 -0700
+++ b/MYDigest.h	Tue Jul 21 10:13:08 2009 -0700
@@ -63,6 +63,9 @@
 /** The length of digests created by this subclass. (Abstract method.) */
 + (size_t) length;
 
+/** Byte-by-byte lexical comparison of digest data. */
+- (NSComparisonResult) compare: (MYDigest*)other;
+
 /** Primitive digest generation method. (Abstract.) */
 + (void) computeDigest: (void*)dstDigest ofBytes: (const void*)bytes length: (size_t)length;