Fuzzing update-style MD4

plusun · Jul 29, 2018 · af63ca0 · af63ca0
1 parent 9617b48
commit af63ca0
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diff --git a/tests/fuzz/checksum/md4/update/Makefile b/tests/fuzz/checksum/md4/update/Makefile
@@ -0,0 +1,18 @@
+#       $NetBSD: Makefile,v 1.15 2007/05/28 12:06:25 tls Exp $
+#       @(#)Makefile    8.2 (Berkeley) 4/2/94
+
+.include <bsd.own.mk>
+
+PROG=   fuzz_md4
+SRCS=   fuzz_md4.c
+.PATH:  ${NETBSDSRCDIR}/lib/libc/md/
+SRCS+=	md4hl.c
+.PATH:  ${NETBSDSRCDIR}/common/lib/libc/md/
+SRCS+=	md4c.c
+
+CPPFLAGS+=-I${NETBSDSRCDIR}/lib/libc/include
+
+fuzz: fuzz_md4
+	./fuzz_md4 ./input > /dev/null
+
+.include <bsd.prog.mk>
diff --git a/tests/fuzz/checksum/md4/update/fuzz_md4.c b/tests/fuzz/checksum/md4/update/fuzz_md4.c
@@ -0,0 +1,13 @@
+#include <stdint.h>
+#include <stddef.h>
+#include <sys/types.h>
+#include "md4.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+    MD4_CTX context;
+    MD4Init(&context);
+    MD4Update(&context, (const char *)data, size);
+    char digest[16];
+    MD4Final(digest, &context);
+    return 0;
+}