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// Copyright (c) 2013 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 "net/android/keystore.h"
#include <vector>
#include "base/android/jni_android.h"
#include "base/android/jni_array.h"
#include "base/logging.h"
#include "jni/AndroidKeyStore_jni.h"
#include "net/android/android_private_key.h"
using base::android::AttachCurrentThread;
using base::android::HasException;
using base::android::JavaByteArrayToByteVector;
using base::android::ScopedJavaLocalRef;
using base::android::ToJavaByteArray;
using base::android::JavaArrayOfByteArrayToStringVector;
namespace net {
namespace android {
bool GetRSAKeyModulus(
jobject private_key_ref,
std::vector<uint8>* result) {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jbyteArray> modulus_ref =
Java_AndroidKeyStore_getRSAKeyModulus(env,
GetKeyStore(private_key_ref).obj(),
private_key_ref);
if (modulus_ref.is_null())
return false;
JavaByteArrayToByteVector(env, modulus_ref.obj(), result);
return true;
}
bool GetDSAKeyParamQ(jobject private_key_ref,
std::vector<uint8>* result) {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jbyteArray> q_ref =
Java_AndroidKeyStore_getDSAKeyParamQ(
env,
GetKeyStore(private_key_ref).obj(),
private_key_ref);
if (q_ref.is_null())
return false;
JavaByteArrayToByteVector(env, q_ref.obj(), result);
return true;
}
bool GetECKeyOrder(jobject private_key_ref,
std::vector<uint8>* result) {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jbyteArray> order_ref =
Java_AndroidKeyStore_getECKeyOrder(
env,
GetKeyStore(private_key_ref).obj(),
private_key_ref);
if (order_ref.is_null())
return false;
JavaByteArrayToByteVector(env, order_ref.obj(), result);
return true;
}
bool GetPrivateKeyEncodedBytes(jobject private_key_ref,
std::vector<uint8>* result) {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jbyteArray> encoded_ref =
Java_AndroidKeyStore_getPrivateKeyEncodedBytes(
env,
GetKeyStore(private_key_ref).obj(),
private_key_ref);
if (encoded_ref.is_null())
return false;
JavaByteArrayToByteVector(env, encoded_ref.obj(), result);
return true;
}
bool RawSignDigestWithPrivateKey(
jobject private_key_ref,
const base::StringPiece& digest,
std::vector<uint8>* signature) {
JNIEnv* env = AttachCurrentThread();
// Convert message to byte[] array.
ScopedJavaLocalRef<jbyteArray> digest_ref =
ToJavaByteArray(env,
reinterpret_cast<const uint8*>(digest.data()),
digest.length());
DCHECK(!digest_ref.is_null());
// Invoke platform API
ScopedJavaLocalRef<jbyteArray> signature_ref =
Java_AndroidKeyStore_rawSignDigestWithPrivateKey(
env,
GetKeyStore(private_key_ref).obj(),
private_key_ref,
digest_ref.obj());
if (HasException(env) || signature_ref.is_null())
return false;
// Write signature to string.
JavaByteArrayToByteVector(env, signature_ref.obj(), signature);
return true;
}
PrivateKeyType GetPrivateKeyType(jobject private_key_ref) {
JNIEnv* env = AttachCurrentThread();
int type = Java_AndroidKeyStore_getPrivateKeyType(
env,
GetKeyStore(private_key_ref).obj(),
private_key_ref);
return static_cast<PrivateKeyType>(type);
}
AndroidEVP_PKEY* GetOpenSSLSystemHandleForPrivateKey(jobject private_key_ref) {
JNIEnv* env = AttachCurrentThread();
// Note: the pointer is passed as a jint here because that's how it
// is stored in the Java object. Java doesn't have a primitive type
// like intptr_t that matches the size of pointers on the host
// machine, and Android only runs on 32-bit CPUs.
//
// Given that this routine shall only be called on Android < 4.2,
// this won't be a problem in the far future (e.g. when Android gets
// ported to 64-bit environments, if ever).
long pkey = Java_AndroidKeyStore_getOpenSSLHandleForPrivateKey(
env,
GetKeyStore(private_key_ref).obj(),
private_key_ref);
return reinterpret_cast<AndroidEVP_PKEY*>(pkey);
}
ScopedJavaLocalRef<jobject> GetOpenSSLEngineForPrivateKey(
jobject private_key_ref) {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> engine =
Java_AndroidKeyStore_getOpenSSLEngineForPrivateKey(
env,
GetKeyStore(private_key_ref).obj(),
private_key_ref);
return engine;
}
void ReleaseKey(jobject private_key_ref) {
JNIEnv* env = AttachCurrentThread();
Java_AndroidKeyStore_releaseKey(env,
GetKeyStore(private_key_ref).obj(),
private_key_ref);
env->DeleteGlobalRef(private_key_ref);
}
bool RegisterKeyStore(JNIEnv* env) {
return RegisterNativesImpl(env);
}
} // namespace android
} // namespace net
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