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81 lines
3.0 KiB
C++
81 lines
3.0 KiB
C++
// Copyright (c) 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_ANDROID_KEYSTORE_H_
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#define NET_ANDROID_KEYSTORE_H_
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#include <jni.h>
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#include <stdint.h>
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#include <string>
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#include <vector>
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#include "base/android/scoped_java_ref.h"
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#include "base/containers/span.h"
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#include "base/strings/string_piece.h"
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#include "net/ssl/ssl_client_cert_type.h"
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// Misc functions to access the Android platform KeyStore.
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namespace net {
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namespace android {
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struct AndroidEVP_PKEY;
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// Define a list of constants describing private key types. The
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// values are shared with Java through org.chromium.net.PrivateKeyType.
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// Example: PRIVATE_KEY_TYPE_RSA.
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//
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// A Java counterpart will be generated for this enum.
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// GENERATED_JAVA_ENUM_PACKAGE: org.chromium.net
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enum PrivateKeyType {
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PRIVATE_KEY_TYPE_RSA = 0,
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// Obsolete: PRIVATE_KEY_TYPE_DSA = 1,
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PRIVATE_KEY_TYPE_ECDSA = 2,
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PRIVATE_KEY_TYPE_INVALID = 255,
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};
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// Compute the signature of a given input using a private key. For more
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// details, please read the comments for the signWithPrivateKey method in
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// AndroidKeyStore.java.
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//
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// |private_key| is a JNI reference for the private key.
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// |algorithm| is the name of the algorithm to sign.
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// |input| is the input to sign.
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// |signature| will receive the signature on success.
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// Returns true on success, false on failure.
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bool SignWithPrivateKey(const base::android::JavaRef<jobject>& private_key,
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base::StringPiece algorithm,
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base::span<const uint8_t> input,
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std::vector<uint8_t>* signature);
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// Returns a handle to the system AndroidEVP_PKEY object used to back a given
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// private_key object. This must *only* be used for RSA private keys on Android
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// < 4.2. Technically, this is only guaranteed to work if the system image
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// contains a vanilla implementation of the Java API frameworks based on Harmony
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// + OpenSSL.
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//
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// |private_key| is a JNI reference for the private key.
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// Returns an AndroidEVP_PKEY* handle, or NULL in case of error.
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//
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// Note: Despite its name and return type, this function doesn't know
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// anything about OpenSSL, it just type-casts a system pointer that
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// is passed as an int through JNI. As such, it never increments
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// the returned key's reference count.
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AndroidEVP_PKEY* GetOpenSSLSystemHandleForPrivateKey(
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const base::android::JavaRef<jobject>& private_key);
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// Returns a JNI reference to the OpenSSLEngine object which is used to back a
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// given private_key object. This must *only* be used for RSA private keys on
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// Android < 4.2. Technically, this is only guaranteed to work if the system
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// image contains a vanilla implementation of the Java API frameworks based on
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// Harmony + OpenSSL.
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base::android::ScopedJavaLocalRef<jobject> GetOpenSSLEngineForPrivateKey(
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const base::android::JavaRef<jobject>& private_key);
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} // namespace android
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} // namespace net
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#endif // NET_ANDROID_KEYSTORE_H_
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