--- a/fuzzer-pubkey.c	Thu May 25 22:21:23 2017 +0800
+++ b/fuzzer-pubkey.c	Thu May 25 22:21:49 2017 +0800
@@ -14,26 +14,20 @@
 		once = 1;
 	}
 
+	if (fuzzer_set_input(Data, Size) == DROPBEAR_FAILURE) {
+		return 0;
+	}
+
 	m_malloc_set_epoch(1);
 
-    fuzz_seed();
-    fuzz.input->data = (unsigned char*)Data;
-    fuzz.input->len = Size;
-    fuzz.input->size = Size;
-    fuzz.input->pos = 0;
-
-    if (Size < 4) {
-    	return 0;
-    }
-
-    // choose a keytype based on input
-    uint8_t b = 0;
-    size_t i;
-    for (i = 0; i < Size; i++) {
-    	b ^= Data[i];
-    }
-    const char* algoname = fuzz_signkey_names[b%DROPBEAR_SIGNKEY_NUM_NAMED];
-    const char* keyblob = "fakekeyblob";
+	// choose a keytype based on input
+	uint8_t b = 0;
+	size_t i;
+	for (i = 0; i < Size; i++) {
+		b ^= Data[i];
+	}
+	const char* algoname = fuzz_signkey_names[b%DROPBEAR_SIGNKEY_NUM_NAMED];
+	const char* keyblob = "blob"; // keep short
 
 	if (setjmp(fuzz.jmp) == 0) {
 		fuzz_checkpubkey_line(fuzz.input, 5, "/home/me/authorized_keys",