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79 lines
2.7 KiB
C++
79 lines
2.7 KiB
C++
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// 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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#include "net/android/keystore.h"
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#include <vector>
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#include "base/android/jni_android.h"
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#include "base/android/jni_array.h"
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#include "base/android/jni_string.h"
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#include "base/logging.h"
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#include "jni/AndroidKeyStore_jni.h"
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using base::android::AttachCurrentThread;
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using base::android::ConvertUTF8ToJavaString;
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using base::android::HasException;
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using base::android::JavaByteArrayToByteVector;
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using base::android::JavaRef;
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using base::android::ScopedJavaLocalRef;
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using base::android::ToJavaByteArray;
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namespace net {
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namespace android {
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bool SignWithPrivateKey(const base::android::JavaRef<jobject>& private_key_ref,
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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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JNIEnv* env = AttachCurrentThread();
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ScopedJavaLocalRef<jstring> algorithm_ref =
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ConvertUTF8ToJavaString(env, algorithm);
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DCHECK(!algorithm_ref.is_null());
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// Convert message to byte[] array.
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ScopedJavaLocalRef<jbyteArray> input_ref =
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ToJavaByteArray(env, input.data(), input.size());
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DCHECK(!input_ref.is_null());
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// Invoke platform API
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ScopedJavaLocalRef<jbyteArray> signature_ref =
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Java_AndroidKeyStore_signWithPrivateKey(env, private_key_ref,
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algorithm_ref, input_ref);
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if (HasException(env) || signature_ref.is_null())
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return false;
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// Write signature to string.
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JavaByteArrayToByteVector(env, signature_ref.obj(), signature);
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return true;
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}
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AndroidEVP_PKEY* GetOpenSSLSystemHandleForPrivateKey(
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const JavaRef<jobject>& private_key_ref) {
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JNIEnv* env = AttachCurrentThread();
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// Note: the pointer is passed as a jint here because that's how it
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// is stored in the Java object. Java doesn't have a primitive type
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// like intptr_t that matches the size of pointers on the host
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// machine, and Android only runs on 32-bit CPUs.
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//
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// Given that this routine shall only be called on Android < 4.2,
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// this won't be a problem in the far future (e.g. when Android gets
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// ported to 64-bit environments, if ever).
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long pkey =
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Java_AndroidKeyStore_getOpenSSLHandleForPrivateKey(env, private_key_ref);
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return reinterpret_cast<AndroidEVP_PKEY*>(pkey);
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}
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ScopedJavaLocalRef<jobject> GetOpenSSLEngineForPrivateKey(
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const JavaRef<jobject>& private_key_ref) {
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JNIEnv* env = AttachCurrentThread();
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ScopedJavaLocalRef<jobject> engine =
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Java_AndroidKeyStore_getOpenSSLEngineForPrivateKey(env, private_key_ref);
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return engine;
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}
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} // namespace android
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} // namespace net
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