X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=sha1.c;h=f442e08c91033c805e4c2987810021d507c40525;hb=4a6ee8b677fd7addc97fc0d245f95ddde3b5f8e4;hp=0bcae8798867e8329aa219444970058b3a05faeb;hpb=1caa23ff879cec7f8f36b32a987f0610291ef177;p=secnet.git

diff --git a/sha1.c b/sha1.c
index 0bcae87..f442e08 100644
--- a/sha1.c
+++ b/sha1.c
@@ -2,6 +2,7 @@
 SHA-1 in C
 By Steve Reid <sreid@sea-to-sky.net>
 100% Public Domain
+[I interpet this as a blanket permision -iwj.]
 
 Note: parts of this file have been removed or modified to work in secnet.
 Instead of using this file in new projects, I suggest you use the
@@ -59,7 +60,9 @@ By Saul Kravitz <Saul.Kravitz@celera.com>
 Still 100% PD
 Modified to run on Compaq Alpha hardware.  
 
-
+-----------------
+(Further modifications as part of secnet.  See git history for full details.
+ - Ian Jackson et al)
 */
 
 /*
@@ -75,6 +78,7 @@ A million repetitions of "a"
 /* #define SHA1HANDSOFF  */
 
 #include "secnet.h"
+#include "util.h"
 #include <stdio.h>
 #include <string.h>
 
@@ -284,17 +288,14 @@ unsigned char finalcount[8];
 /*************************************************************/
 
 /* Everything below here is the interface to secnet */
-static void *sha1_init(void)
+static void sha1_init(void *sst)
 {
-    SHA1_CTX *ctx;
+    SHA1_CTX *ctx=sst;
 
-    ctx=safe_malloc(sizeof(*ctx),"sha1_init");
     SHA1Init(ctx);
-
-    return ctx;
 }
 
-static void sha1_update(void *sst, uint8_t const *buf, int32_t len)
+static void sha1_update(void *sst, const void *buf, int32_t len)
 {
     SHA1_CTX *ctx=sst;
 
@@ -306,7 +307,6 @@ static void sha1_final(void *sst, uint8_t *digest)
     SHA1_CTX *ctx=sst;
 
     SHA1Final(digest,ctx);
-    free(ctx);
 }
 
 struct sha1 {
@@ -317,7 +317,6 @@ struct sha1 {
 void sha1_module(dict_t *dict)
 {
     struct sha1 *st;
-    void *ctx;
     cstring_t testinput="abcdbcdecdefdefgefghfghigh"
 	"ijhijkijkljklmklmnlmnomnopnopq";
     uint8_t expected[20]=
@@ -329,21 +328,20 @@ void sha1_module(dict_t *dict)
     uint8_t digest[20];
     int i;
 
-    st=safe_malloc(sizeof(*st),"sha1_module");
+    NEW(st);
     st->cl.description="sha1";
     st->cl.type=CL_HASH;
     st->cl.apply=NULL;
     st->cl.interface=&st->ops;
-    st->ops.len=20;
+    st->ops.hlen=20;
+    st->ops.slen=sizeof(SHA1_CTX);
     st->ops.init=sha1_init;
     st->ops.update=sha1_update;
     st->ops.final=sha1_final;
 
     dict_add(dict,"sha1",new_closure(&st->cl));
 
-    ctx=sha1_init();
-    sha1_update(ctx,testinput,strlen(testinput));
-    sha1_final(ctx,digest);
+    hash_hash(&st->ops,testinput,strlen(testinput),digest);
     for (i=0; i<20; i++) {
 	if (digest[i]!=expected[i]) {
 	    fatal("sha1 module failed self-test");