freebsd-ports/devel/tcl-trf/files/patch-rmd160

--- generic/rmd160.c	Wed Aug  9 15:13:18 2000
+++ generic/rmd160.c	Sat Jul 10 17:17:57 2004
@@ -29,5 +29,5 @@
 
 #include "transformInt.h"
-#include "ripemd/rmd160.h"
+#include <openssl/ripemd.h>
 
 /*
@@ -40,16 +40,4 @@
 
 #define DIGEST_SIZE   (20)
-/*#define CTX_TYPE                   */
-#define CONTEXT_SIZE  (20)
-#define CHUNK_SIZE    (64)
-
-typedef struct ripemd_context {
-  dword state [5];		/* state variables of ripemd-160 */
-  byte  buf   [CHUNK_SIZE];	/* buffer of 15-dword's          */
-  byte  byteCount;		/* number of bytes in buffer     */
-  dword lowc;			/* lower half of a 64bit counter */
-  dword highc;			/* upper half of a 64bit counter */
-} ripemd_context;
-
 
 /*
@@ -57,10 +45,6 @@
  */
 
-static void MDrmd160_Start     _ANSI_ARGS_ ((VOID* context));
 static void MDrmd160_Update    _ANSI_ARGS_ ((VOID* context, unsigned int character));
-static void MDrmd160_UpdateBuf _ANSI_ARGS_ ((VOID* context, unsigned char* buffer, int bufLen));
 static void MDrmd160_Final     _ANSI_ARGS_ ((VOID* context, VOID* digest));
-static void CountLength  _ANSI_ARGS_ ((ripemd_context* ctx,
-				       unsigned int    nbytes));
 
 /*
@@ -70,9 +54,9 @@
 static Trf_MessageDigestDescription mdDescription = { /* THREADING: constant, read-only => safe */
   "ripemd160",
-  sizeof (ripemd_context),
+  sizeof (RIPEMD160_CTX),
   DIGEST_SIZE,
-  MDrmd160_Start,
+  (Trf_MDStart *)RIPEMD160_Init,
   MDrmd160_Update,
-  MDrmd160_UpdateBuf,
+  (Trf_MDUpdateBuf *)RIPEMD160_Update,
   MDrmd160_Final,
   NULL
@@ -107,37 +91,4 @@
  *------------------------------------------------------*
  *
- *	MDrmd160_Start --
- *
- *	------------------------------------------------*
- *	Initialize the internal state of the message
- *	digest generator.
- *	------------------------------------------------*
- *
- *	Sideeffects:
- *		As of the called procedure.
- *
- *	Result:
- *		None.
- *
- *------------------------------------------------------*
- */
-
-static void
-MDrmd160_Start (context)
-VOID* context;
-{
-  ripemd_context* ctx = (ripemd_context*) context;
-
-  ripemd160_MDinit (ctx->state);
-  memset (ctx->buf, '\0', CHUNK_SIZE);
-
-  ctx->byteCount = 0;
-  ctx->lowc     = 0;
-  ctx->highc    = 0;
-}
-
-/*
- *------------------------------------------------------*
- *
  *	MDrmd160_Update --
  *
@@ -161,97 +112,7 @@
 unsigned int   character;
 {
-  ripemd_context* ctx = (ripemd_context*) context;
-
-  ctx->buf [ctx->byteCount] = character;
-  ctx->byteCount ++;
-
-  if (ctx->byteCount == CHUNK_SIZE) {
-    CountLength (ctx, CHUNK_SIZE);
-
-#ifdef WORDS_BIGENDIAN
-    Trf_FlipRegisterLong (ctx->buf, CHUNK_SIZE);
-#endif
-    ripemd160_compress (ctx->state, (dword*) ctx->buf);
-    ctx->byteCount = 0;
-  }
-}
-
-/*
- *------------------------------------------------------*
- *
- *	MDrmd160_UpdateBuf --
- *
- *	------------------------------------------------*
- *	Update the internal state of the message digest
- *	generator for a character buffer.
- *	------------------------------------------------*
- *
- *	Sideeffects:
- *		As of the called procedure.
- *
- *	Result:
- *		None.
- *
- *------------------------------------------------------*
- */
-
-static void
-MDrmd160_UpdateBuf (context, buffer, bufLen)
-VOID* context;
-unsigned char* buffer;
-int   bufLen;
-{
-  ripemd_context* ctx = (ripemd_context*) context;
-
-  if ((ctx->byteCount + bufLen) < CHUNK_SIZE) {
-    /*
-     * Not enough for full chunk. Remember incoming
-     * data and wait for another call containing more data.
-     */
-
-    memcpy ((VOID*) (ctx->buf + ctx->byteCount), (VOID*) buffer, bufLen);
-    ctx->byteCount += bufLen;
-  } else {
-    /*
-     * Complete chunk with incoming data, update digest,
-     * then use all chunks contained in the buffer. Remember
-     * an incomplete chunk and wait for further calls.
-     */
-
-    int k = CHUNK_SIZE - ctx->byteCount;
-
-    if (k < CHUNK_SIZE) {
-      memcpy ((VOID*) (ctx->buf + ctx->byteCount), (VOID*) buffer, k);
-
-      CountLength (ctx, CHUNK_SIZE);
+	char c = character;
 
-#ifdef WORDS_BIGENDIAN
-      Trf_FlipRegisterLong (ctx->buf, CHUNK_SIZE);
-#endif
-      ripemd160_compress (ctx->state, (dword*) ctx->buf);
-
-      buffer += k;
-      bufLen -= k;
-    } /* k == CHUNK_SIZE => internal buffer was empty, so skip it entirely */
-
-    while (bufLen > CHUNK_SIZE) {
-      CountLength (ctx, CHUNK_SIZE);
-
-#ifdef WORDS_BIGENDIAN
-      Trf_FlipRegisterLong (buffer, CHUNK_SIZE);
-#endif
-      ripemd160_compress (ctx->state, (dword*) buffer);
-#ifdef WORDS_BIGENDIAN
-      Trf_FlipRegisterLong (buffer, CHUNK_SIZE);
-#endif
-
-      buffer += CHUNK_SIZE;
-      bufLen -= CHUNK_SIZE;
-    }
-
-    ctx->byteCount = bufLen;
-    if (bufLen > 0)
-      memcpy ((VOID*) ctx->buf, (VOID*) buffer, bufLen);
-  }
+	RIPEMD160_Update(context, &c, 1);
 }
 
@@ -280,52 +141,4 @@
 VOID* digest;
 {
-  ripemd_context* ctx = (ripemd_context*) context;
-
-  CountLength (ctx, ctx->byteCount);
-
-  ripemd160_MDfinish (ctx->state, ctx->buf, ctx->lowc, ctx->highc);
-
-  memcpy (digest, ctx->state, DIGEST_SIZE);
-#ifdef WORDS_BIGENDIAN
-  Trf_FlipRegisterLong (digest, DIGEST_SIZE);
-#endif
-}
-
-/*
- *------------------------------------------------------*
- *
- *	CountLength --
- *
- *	------------------------------------------------*
- *	Update the 64bit counter in the context structure
- *	------------------------------------------------*
- *
- *	Sideeffects:
- *		See above.
- *
- *	Result:
- *		None.
- *
- *------------------------------------------------------*
- */
-
-static void
-CountLength (ctx, nbytes)
-     ripemd_context* ctx;
-     unsigned int    nbytes;
-{
-  /* update length counter */
-
-  if ((ctx->lowc + nbytes) < ctx->lowc) {
-    /* overflow to msb of length */
-    ctx->highc ++;
-  }
-
-  ctx->lowc += nbytes;
+	(void)RIPEMD160_Final(digest, context);
 }
-
-/*
- * External code from here on.
- */
-
-#include "ripemd/rmd160.c"