From 485f497e21a63a7d9dd75f2197b5223a5965959c Mon Sep 17 00:00:00 2001
From: jbj <devnull@localhost>
Date: Fri, 28 Mar 2003 22:11:06 +0000
Subject: [PATCH] Add gcrypt to tdigest.

CVS patchset: 6722
CVS date: 2003/03/28 22:11:06
---
 rpmio/Makefile.am |  2 +-
 rpmio/rpmsw.c     |  2 +-
 rpmio/tdigest.c   | 49 +++++++++++++++++++++++++++++++++++++++----------
 3 files changed, 41 insertions(+), 12 deletions(-)

diff --git a/rpmio/Makefile.am b/rpmio/Makefile.am
index 1202039..72e18c6 100644
--- a/rpmio/Makefile.am
+++ b/rpmio/Makefile.am
@@ -63,7 +63,7 @@ lint:
 	$(LINT) $(DEFS) $(INCLUDES) $(librpmio_la_SOURCES)
 
 tdigest_SOURCES = tdigest.c
-tdigest_LDADD = librpmio.la $(top_builddir)/popt/libpopt.la
+tdigest_LDADD = librpmio.la $(top_builddir)/popt/libpopt.la -lgcrypt
 
 tdir_SOURCES = tdir.c
 tdir_LDFLAGS = -all-static
diff --git a/rpmio/rpmsw.c b/rpmio/rpmsw.c
index 9824221..1e70f7d 100644
--- a/rpmio/rpmsw.c
+++ b/rpmio/rpmsw.c
@@ -18,7 +18,7 @@ static int rpmsw_type = 0;
 /*@unchecked@*/
 static int rpmsw_initialized = 0;
 
-#if 0	/* XXX defined(__i386__) */
+#if 1	/* XXX defined(__i386__) */
 /* Swiped from glibc-2.3.2 sysdeps/i386/i686/hp-timing.h */
 
 #define	HP_TIMING_ZERO(Var)	(Var) = (0)
diff --git a/rpmio/tdigest.c b/rpmio/tdigest.c
index 9b2428f..7f36d13 100644
--- a/rpmio/tdigest.c
+++ b/rpmio/tdigest.c
@@ -1,14 +1,15 @@
 #include "system.h"
+#include <gcrypt.h>
 #include "rpmio_internal.h"
 #include "popt.h"
 #include "debug.h"
 
-
 static pgpHashAlgo hashalgo = PGPHASHALGO_MD5;
 static rpmDigestFlags flags = RPMDIGEST_NONE;
 extern int _rpmio_debug;
 
 static int fips = 0;
+static int gcrypt = 0;
 
 const char * FIPSAdigest = "a9993e364706816aba3e25717850c26c9cd0d89d";
 const char * FIPSBdigest = "84983e441c3bd26ebaae4aa1f95129e5e54670f1";
@@ -23,6 +24,7 @@ static struct poptOption optionsTable[] = {
  { "fipsa",'\0', POPT_ARG_VAL, &fips, 1,	NULL, NULL },
  { "fipsb",'\0', POPT_ARG_VAL, &fips, 2,	NULL, NULL },
  { "fipsc",'\0', POPT_ARG_VAL, &fips, 3,	NULL, NULL },
+ { "gcrypt",'\0', POPT_ARG_VAL, &gcrypt, 1,	NULL, NULL },
  { "debug",'d', POPT_ARG_VAL, &_rpmio_debug, -1,	NULL, NULL },
   POPT_AUTOHELP
   POPT_TABLEEND
@@ -39,6 +41,7 @@ main(int argc, const char *argv[])
     const char * ifn;
     const char * ofn = "/dev/null";
     DIGEST_CTX ctx;
+    GcryMDHd gcry;
     const char * idigest;
     const char * odigest;
     const char * sdigest;
@@ -54,38 +57,63 @@ main(int argc, const char *argv[])
     while ((rc = poptGetNextOpt(optCon)) > 0)
 	;
 
-#ifdef	DYING
-    reverse = (flags & RPMDIGEST_REVERSE);
-#endif
     if (fips) {
-	ctx = rpmDigestInit(PGPHASHALGO_SHA1, flags);
+	struct rpmsw_s begin, end;
+	(void) rpmswNow(&begin);
+
+	if (gcrypt)
+	    gcry = gcry_md_open(GCRY_MD_SHA1, 0);
+	else
+	    ctx = rpmDigestInit(PGPHASHALGO_SHA1, flags);
 	ifn = NULL;
 	appendix = ' ';
 	sdigest = NULL;
 	switch (fips) {
 	case 1:
 	    ifn = "abc";
-	    rpmDigestUpdate(ctx, ifn, strlen(ifn));
+	    if (gcrypt)
+		gcry_md_write (gcry, ifn, strlen(ifn));
+	    else
+		rpmDigestUpdate(ctx, ifn, strlen(ifn));
 	    sdigest = FIPSAdigest;
 	    appendix = 'A';
 	    break;
 	case 2:
 	    ifn = "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq";
-	    rpmDigestUpdate(ctx, ifn, strlen(ifn));
+	    if (gcrypt)
+		gcry_md_write (gcry, ifn, strlen(ifn));
+	    else
+		rpmDigestUpdate(ctx, ifn, strlen(ifn));
 	    sdigest = FIPSBdigest;
 	    appendix = 'B';
 	    break;
 	case 3:
 	    ifn = "aaaaaaaaaaa ...";
-	    for (i = 0; i < 1000000; i++)
-		rpmDigestUpdate(ctx, ifn, 1);
+	    for (i = 0; i < 1000000; i++) {
+		if (gcrypt)
+		    gcry_md_write (gcry, ifn, strlen(ifn));
+		else
+		    rpmDigestUpdate(ctx, ifn, 1);
+	    }
 	    sdigest = FIPSCdigest;
 	    appendix = 'C';
 	    break;
 	}
 	if (ifn == NULL)
 	    return 1;
-	rpmDigestFinal(ctx, (void **)&digest, &digestlen, asAscii);
+	if (gcrypt) {
+	    const char * s = gcry_md_read (gcry, GCRY_MD_SHA1);
+	    digestlen = 2*16;
+	    digest = xcalloc(1, digestlen+1);
+	    for (i = 0; i < digestlen; i += 2) {
+		static const char hex[] = "0123456789abcdef";
+		digest[i  ] = hex[ (unsigned)((*s >> 4) & 0x0f) ];
+		digest[i+1] = hex[ (unsigned)((*s++   ) & 0x0f) ];
+	    }
+	    digest[digestlen] = '\0';
+	} else
+	    rpmDigestFinal(ctx, (void **)&digest, &digestlen, asAscii);
+	(void) rpmswNow(&end);
 
 	if (digest) {
 	    fprintf(stdout, "%s     %s\n", digest, ifn);
@@ -97,6 +125,7 @@ main(int argc, const char *argv[])
 		appendix);
 	    fflush(stdout);
 	}
+fprintf(stderr, "*** time %lu usecs\n", (unsigned long)rpmswDiff(&end, &begin));
 	return 0;
     }
 
-- 
2.7.4