> found by jsg.
>
> Index: lib/isc/hmacsha.c
> ===================================================================
> RCS file: /home/tedu/cvs/src/usr.sbin/bind/lib/isc/hmacsha.c,v
> retrieving revision 1.1.1.1
> diff -u -p -r1.1.1.1 hmacsha.c
> --- lib/isc/hmacsha.c 9 Dec 2007 12:34:04 -0000 1.1.1.1
> +++ lib/isc/hmacsha.c 5 Jul 2011 18:43:15 -0000
> @@ -65,7 +65,7 @@ void
> isc_hmacsha1_invalidate(isc_hmacsha1_t *ctx) {
> isc_sha1_invalidate(&ctx->sha1ctx);
> memset(ctx->key, 0, sizeof(ctx->key));
> - memset(ctx, 0, sizeof(ctx));
> + memset(ctx, 0, sizeof(*ctx));
Then what purpose is there to keep ctx->key memset before?
