Patch obtained from the TRF's CVS... Many thanks to Denis Shaposhnikov
for finding it.

TRF's RIPEMD160 implementation suffered from the same problem, but this
port does not use it.

	-mi

--- generic/rmd128.c	Wed Aug  9 15:13:18 2000
+++ generic/rmd128.c	Mon May  8 12:52:04 2006
@@ -46,5 +46,5 @@
 typedef struct ripemd_context {
   dword state [5];		/* state variables of ripemd-128 */
-  byte  buf   [CHUNK_SIZE];	/* buffer of 15-dword's          */
+  byte  buf   [CHUNK_SIZE];	/* buffer of 16-dword's          */
   byte  byteCount;		/* number of bytes in buffer     */
   dword lowc;			/* lower half of a 64bit counter */
@@ -235,5 +235,5 @@
     } /* k == CHUNK_SIZE => internal buffer was empty, so skip it entirely */
 
-    while (bufLen > CHUNK_SIZE) {
+    while (bufLen >= CHUNK_SIZE) {
       CountLength (ctx, CHUNK_SIZE);