Don't use RSAPrivateKey in NSS integration code.

crypto/nss_key_util.h

+// Copyright 2015 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.
+
+#ifndef CRYPTO_NSS_KEY_UTIL_H_
+#define CRYPTO_NSS_KEY_UTIL_H_
+
+#include <stdint.h>
+
+#include <vector>
+
+#include "build/build_config.h"
+#include "crypto/crypto_export.h"
+#include "crypto/scoped_nss_types.h"
+
+typedef struct PK11SlotInfoStr PK11SlotInfo;
+
+namespace crypto {
+
+// Generates a new RSA keypair of size |num_bits| in |slot|. Returns true on
+// success and false on failure. If |permanent| is true, the resulting key is
+// permanent and is not exportable in plaintext form.
+CRYPTO_EXPORT bool GenerateRSAKeyPairNSS(
+    PK11SlotInfo* slot,
+    uint16_t num_bits,
+    bool permanent,
+    ScopedSECKEYPublicKey* out_public_key,
+    ScopedSECKEYPrivateKey* out_private_key);
+
+// Imports a private key from |input| into |slot|. |input| is interpreted as a
+// DER-encoded PrivateKeyInfo block from PKCS #8. Returns nullptr on error. If
+// |permanent| is true, the resulting key is permanent and is not exportable in
+// plaintext form.
+CRYPTO_EXPORT ScopedSECKEYPrivateKey
+ImportNSSKeyFromPrivateKeyInfo(PK11SlotInfo* slot,
+                               const std::vector<uint8_t>& input,
+                               bool permanent);
+
+#if defined(USE_NSS_CERTS)
+
+// Decodes |input| as a DER-encoded X.509 SubjectPublicKeyInfo and searches for
+// the private key half in the key database. Returns the private key on success
+// or nullptr on error.
+CRYPTO_EXPORT ScopedSECKEYPrivateKey
+FindNSSKeyFromPublicKeyInfo(const std::vector<uint8_t>& input);
+
+// Decodes |input| as a DER-encoded X.509 SubjectPublicKeyInfo and searches for
+// the private key half in the slot specified by |slot|. Returns the private key
+// on success or nullptr on error.
+CRYPTO_EXPORT ScopedSECKEYPrivateKey
+FindNSSKeyFromPublicKeyInfoInSlot(const std::vector<uint8_t>& input,
+                                  PK11SlotInfo* slot);
+
+#endif  // defined(USE_NSS_CERTS)
+
+}  // namespace crypto
+
+#endif  // CRYPTO_NSS_KEY_UTIL_H_