41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
|
// Copyright 2017 Citra Emulator Project
|
||
|
|
// Licensed under GPLv2 or any later version
|
||
|
|
// Refer to the license.txt file included.
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include <array>
|
||
|
|
#include <cstddef>
|
||
|
|
#include <vector>
|
||
|
|
#include "common/common_types.h"
|
||
|
|
|
||
|
|
namespace HW {
|
||
|
|
namespace AES {
|
||
|
|
|
||
|
|
constexpr size_t CCM_NONCE_SIZE = 12;
|
||
|
|
constexpr size_t CCM_MAC_SIZE = 16;
|
||
|
|
|
||
|
|
using CCMNonce = std::array<u8, CCM_NONCE_SIZE>;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Encrypts and adds a MAC to the given data using AES-CCM algorithm.
|
||
|
|
* @param pdata The plain text data to encrypt
|
||
|
|
* @param nonce The nonce data to use for encryption
|
||
|
|
* @param slot_id The slot ID of the key to use for encryption
|
||
|
|
* @returns a vector of u8 containing the encrypted data with MAC at the end
|
||
|
|
*/
|
||
|
|
std::vector<u8> EncryptSignCCM(const std::vector<u8>& pdata, const CCMNonce& nonce, size_t slot_id);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Decrypts and verify the MAC of the given data using AES-CCM algorithm.
|
||
|
|
* @param cipher The cipher text data to decrypt, with MAC at the end to verify
|
||
|
|
* @param nonce The nonce data to use for decryption
|
||
|
|
* @param slot_id The slot ID of the key to use for decryption
|
||
|
|
* @returns a vector of u8 containing the decrypted data; an empty vector if the verification fails
|
||
|
|
*/
|
||
|
|
std::vector<u8> DecryptVerifyCCM(const std::vector<u8>& cipher, const CCMNonce& nonce,
|
||
|
|
size_t slot_id);
|
||
|
|
|
||
|
|
} // namespace AES
|
||
|
|
} // namespace HW
|