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Diffstat (limited to '')
-rw-r--r-- | src/core/hw/aes/ccm.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/core/hw/aes/ccm.h b/src/core/hw/aes/ccm.h new file mode 100644 index 000000000..bf4146e80 --- /dev/null +++ b/src/core/hw/aes/ccm.h @@ -0,0 +1,40 @@ +// 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 |