Add a bunch of NSS ASN.1 fuzzers

testing/libfuzzer/fuzzers/nss/seckey_privatekeyinfo_fuzzer.cc

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <secmod.h>
+#include <stddef.h>
+#include <stdint.h>
+
+#include "testing/libfuzzer/fuzzers/nss/asn1_fuzzer_template.h"
+
+// Entry point for LibFuzzer.
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+  NSSFuzzOneInput<SECKEYPrivateKeyInfo, SEC_QuickDERDecodeItem>(
+      SEC_ASN1_GET(SECKEY_PrivateKeyInfoTemplate), data, size);
+  NSSFuzzOneInput<SECKEYPrivateKeyInfo, SEC_ASN1DecodeItem>(
+      SEC_ASN1_GET(SECKEY_PrivateKeyInfoTemplate), data, size);
+
+  return 0;
+}