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115 lines
3.8 KiB
C++
115 lines
3.8 KiB
C++
// Copyright 2013 The Chromium Authors
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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 <string_view>
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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/check.h"
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// Must come after all headers that specialize FromJniType() / ToJniType().
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#include "net/net_jni_headers/AndroidKeyStore_jni.h"
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using base::android::AttachCurrentThread;
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using base::android::ConvertJavaStringToUTF8;
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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::android {
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std::string GetPrivateKeyClassName(const JavaRef<jobject>& key) {
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JNIEnv* env = AttachCurrentThread();
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ScopedJavaLocalRef<jstring> name =
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Java_AndroidKeyStore_getPrivateKeyClassName(env, key);
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return ConvertJavaStringToUTF8(env, name);
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}
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bool PrivateKeySupportsSignature(const base::android::JavaRef<jobject>& key,
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std::string_view algorithm) {
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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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jboolean result =
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Java_AndroidKeyStore_privateKeySupportsSignature(env, key, algorithm_ref);
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return !HasException(env) && result;
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}
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bool PrivateKeySupportsCipher(const base::android::JavaRef<jobject>& key,
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std::string_view algorithm) {
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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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jboolean result =
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Java_AndroidKeyStore_privateKeySupportsCipher(env, key, algorithm_ref);
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return !HasException(env) && result;
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}
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bool SignWithPrivateKey(const JavaRef<jobject>& private_key_ref,
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std::string_view 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 = ToJavaByteArray(env, input);
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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, signature);
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return true;
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}
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bool EncryptWithPrivateKey(const JavaRef<jobject>& private_key_ref,
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std::string_view algorithm,
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base::span<const uint8_t> input,
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std::vector<uint8_t>* ciphertext) {
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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 = ToJavaByteArray(env, input);
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DCHECK(!input_ref.is_null());
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// Invoke platform API
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ScopedJavaLocalRef<jbyteArray> ciphertext_ref =
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Java_AndroidKeyStore_encryptWithPrivateKey(env, private_key_ref,
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algorithm_ref, input_ref);
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if (HasException(env) || ciphertext_ref.is_null())
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return false;
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// Write ciphertext to string.
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JavaByteArrayToByteVector(env, ciphertext_ref, ciphertext);
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return true;
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}
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} // namespace net::android
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