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jakcron
85 lines
2.9 KiB
C++
85 lines
2.9 KiB
C++
/**
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* @file Aes256EcbEncryptor.h
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* @brief Declarations for API resources for related to AES256-ECB mode encryption/decryption.
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* @author Jack (jakcron)
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* @version 0.1
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* @date 2020/07/04
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**/
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#pragma once
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#include <tc/types.h>
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#include <tc/crypto/AesEncryptor.h>
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#include <tc/crypto/EcbEncryptor.h>
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namespace tc { namespace crypto {
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/**
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* @typedef Aes256EcbEncryptor
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* @brief Class for AES-ECB encryption/decryption with a keysize of 256 bits.
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*
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* @details This class encrypts/decrypts data using using AES256-ECB.
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* For more information refer to @ref EcbEncryptor.
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*/
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using Aes256EcbEncryptor = EcbEncryptor<Aes256Encryptor>;
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/**
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* @brief Utility function for AES256-ECB encryption.
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*
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* @param[out] dst Buffer where encrypted data will be written.
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* @param[in] src Pointer to data to encrypt.
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* @param[in] size Size in bytes of data to encrypt.
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* @param[in] key Pointer to key data.
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* @param[in] key_size Size in bytes of key data.
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*
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* @pre
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* - @p size >= @ref Aes256EcbEncryptor::kBlockSize.
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* - @p key_size == @ref Aes256EcbEncryptor::kKeySize.
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*
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* @post
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* - Encrypted data is written to @p dst.
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*
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* @details
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* This encrypts the data in @p src, writing it to @p dst.
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*
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* @note
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* - @p dst and @p src can be the same pointer.
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*
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* @throw tc::ArgumentNullException @p dst was null.
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* @throw tc::ArgumentNullException @p src was null.
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* @throw tc::ArgumentOutOfRangeException @p size was less than @ref Aes256EcbEncryptor::kBlockSize.
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* @throw tc::ArgumentNullException @p key was null.
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* @throw tc::ArgumentOutOfRangeException @p key_size did not equal @ref Aes256EcbEncryptor::kKeySize.
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*/
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void EncryptAes256Ecb(byte_t* dst, const byte_t* src, size_t size, const byte_t* key, size_t key_size);
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/**
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* @brief Utility function for AES256-ECB decryption.
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*
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* @param[out] dst Buffer where decrypted data will be written.
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* @param[in] src Pointer to data to decrypt.
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* @param[in] size Size in bytes of data to decrypt.
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* @param[in] key Pointer to key data.
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* @param[in] key_size Size in bytes of key data.
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*
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* @pre
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* - @p size >= @ref Aes256EcbEncryptor::kBlockSize.
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* - @p key_size == @ref Aes256EcbEncryptor::kKeySize.
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*
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* @post
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* - Decrypted data is written to @p dst.
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*
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* @details
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* This decrypts the data in @p src, writing it to @p dst.
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*
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* @note
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* - @p dst and @p src can be the same pointer.
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*
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* @throw tc::ArgumentNullException @p dst was null.
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* @throw tc::ArgumentNullException @p src was null.
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* @throw tc::ArgumentOutOfRangeException @p size was less than @ref Aes256EcbEncryptor::kBlockSize.
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* @throw tc::ArgumentNullException @p key was null.
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* @throw tc::ArgumentOutOfRangeException @p key_size did not equal @ref Aes256EcbEncryptor::kKeySize.
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*/
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void DecryptAes256Ecb(byte_t* dst, const byte_t* src, size_t size, const byte_t* key, size_t key_size);
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}} // namespace tc::crypto
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