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