Add net/android/keystore.h

net/android/keystore.cc

+// 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"
+
+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, 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, private_key_ref);
+  if (q_ref.is_null())
+    return false;
+
+  JavaByteArrayToByteVector(env, q_ref.obj(), result);
+  return true;
+}
+
+bool GetPrivateKeyEncodedBytes(jobject private_key,
+                               std::vector<uint8>* result) {
+  JNIEnv* env = AttachCurrentThread();
+
+  ScopedJavaLocalRef<jbyteArray> encoded_ref =
+      Java_AndroidKeyStore_getPrivateKeyEncodedBytes(env, private_key);
+  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, 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) {
+  JNIEnv* env = AttachCurrentThread();
+  int type = Java_AndroidKeyStore_getPrivateKeyType(
+      env, private_key);
+  return static_cast<PrivateKeyType>(type);
+}
+
+EVP_PKEY* GetOpenSSLSystemHandleForPrivateKey(jobject private_key) {
+  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).

[palmer, 2013/02/01 00:27:13]

OK. Does it make sense to actually declare it as a jint, too? (even though I am
sure int == jint in this situation)

+  int pkey =
+      Java_AndroidKeyStore_getOpenSSLHandleForPrivateKey(env, private_key);
+  return reinterpret_cast<EVP_PKEY*>(pkey);
+}
+
+bool RegisterKeyStore(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+}  // namespace android
+}  // namespace net