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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_ANDROID_KEYSTORE_H_
#define NET_ANDROID_KEYSTORE_H_
#include <jni.h>
#include <stdint.h>
#include <string>
#include <string_view>
#include <vector>
#include "base/android/scoped_java_ref.h"
#include "base/containers/span.h"
// Misc functions to access the Android platform KeyStore.
namespace net::android {
// Define a list of constants describing private key types. The
// values are shared with Java through org.chromium.net.PrivateKeyType.
// Example: PRIVATE_KEY_TYPE_RSA.
//
// A Java counterpart will be generated for this enum.
// GENERATED_JAVA_ENUM_PACKAGE: org.chromium.net
enum PrivateKeyType {
PRIVATE_KEY_TYPE_RSA = 0,
// Obsolete: PRIVATE_KEY_TYPE_DSA = 1,
PRIVATE_KEY_TYPE_ECDSA = 2,
PRIVATE_KEY_TYPE_INVALID = 255,
};
// Returns the name of the class which implements the private key.
std::string GetPrivateKeyClassName(const base::android::JavaRef<jobject>& key);
// Returns whether |key| supports the signature algorithm |algorithm|.
bool PrivateKeySupportsSignature(const base::android::JavaRef<jobject>& key,
std::string_view algorithm);
// Returns whether |key| supports the encryption algorithm |algorithm|.
bool PrivateKeySupportsCipher(const base::android::JavaRef<jobject>& key,
std::string_view algorithm);
// Compute the signature of a given input using a private key. For more
// details, please read the comments for the signWithPrivateKey method in
// AndroidKeyStore.java.
//
// |private_key| is a JNI reference for the private key.
// |algorithm| is the name of the algorithm to sign.
// |input| is the input to sign.
// |signature| will receive the signature on success.
// Returns true on success, false on failure.
bool SignWithPrivateKey(const base::android::JavaRef<jobject>& private_key,
std::string_view algorithm,
base::span<const uint8_t> input,
std::vector<uint8_t>* signature);
// Encrypts a given input using a private key. For more details, please read the
// comments for the encryptWithPrivateKey method in AndroidKeyStore.java.
//
// |private_key| is a JNI reference for the private key.
// |algorithm| is the name of the algorithm to use.
// |input| is the input to encrypt.
// |ciphertext| will receive the ciphertext on success.
// Returns true on success, false on failure.
bool EncryptWithPrivateKey(const base::android::JavaRef<jobject>& private_key,
std::string_view algorithm,
base::span<const uint8_t> input,
std::vector<uint8_t>* ciphertext);
} // namespace net::android
#endif // NET_ANDROID_KEYSTORE_H_
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