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--- generic/rmd160.c 2009-06-18 00:54:44.000000000 -0400
+++ generic/rmd160.c 2009-07-13 00:25:20.000000000 -0400
@@ -29,5 +29,5 @@
#include "transformInt.h"
-#include "ripemd/rmd160.h"
+#include <openssl/ripemd.h>
/*
@@ -40,27 +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 16-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;
-
-
-/*
- * Declarations of internal procedures.
- */
-
-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));
/*
@@ -70,10 +47,10 @@
static Trf_MessageDigestDescription mdDescription = { /* THREADING: constant, read-only => safe */
"ripemd160",
- sizeof (ripemd_context),
+ sizeof (RIPEMD160_CTX),
DIGEST_SIZE,
- MDrmd160_Start,
- MDrmd160_Update,
- MDrmd160_UpdateBuf,
- MDrmd160_Final,
+ (Trf_MDStart *)RIPEMD160_Init,
+ NULL,
+ (Trf_MDUpdateBuf *)RIPEMD160_Update,
+ (Trf_MDFinal *)RIPEMD160_Final,
NULL
};
@@ -103,230 +80,2 @@
return Trf_RegisterMessageDigest (interp, &mdDescription);
}
-
-/*
- *------------------------------------------------------*
- *
- * 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 --
- *
- * ------------------------------------------------*
- * Update the internal state of the message digest
- * generator for a single character.
- * ------------------------------------------------*
- *
- * Sideeffects:
- * As of the called procedure.
- *
- * Result:
- * None.
- *
- *------------------------------------------------------*
- */
-
-static void
-MDrmd160_Update (context, character)
-VOID* context;
-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);
-
-#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);
- }
- }
-}
-
-/*
- *------------------------------------------------------*
- *
- * MDrmd160_Final --
- *
- * ------------------------------------------------*
- * Generate the digest from the internal state of
- * the message digest generator.
- * ------------------------------------------------*
- *
- * Sideeffects:
- * As of the called procedure.
- *
- * Result:
- * None.
- *
- *------------------------------------------------------*
- */
-
-static void
-MDrmd160_Final (context, digest)
-VOID* context;
-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;
-}
-
-/*
- * External code from here on.
- */
-
-#include "ripemd/rmd160.c"
|
