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cuberite-2a/src/mbedTLS++/AesCfb128Decryptor.h
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peterbell10andTiger Wang 84941bcc9f Update mbedtls to 2.5.1 (#3964)
* Renaming changes:
  * macro prefix "POLARSSL" -> "MBEDTLS"
  * functions now prefixed with "mbedtls_"
  * rename PolarSSL++ -> mbedTLS++
  * rename polarssl submodule

* Use mbedtls' AES-CFB8 implementation.

* Add cSslConfig to wrap mbedtls_ssl_config

* Update cTCPLink and cBlockingSslClientSocket to use cSslConfig

* Use cSslConfig in cHTTPServer

* Use cSslConfig for cMojangAPI::SecureRequest

* CI Fixes

* Set -fomit-frame-pointer on the right target
2017-08-30 15:00:06 +01:00

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C++

// AesCfb128Decryptor.h
// Declares the cAesCfb128Decryptor class decrypting data using AES CFB-128
#pragma once
#include "mbedtls/aes.h"
/** Decrypts data using the AES / CFB 128 algorithm */
class cAesCfb128Decryptor
{
public:
cAesCfb128Decryptor(void);
~cAesCfb128Decryptor();
/** Initializes the decryptor with the specified Key / IV */
void Init(const Byte a_Key[16], const Byte a_IV[16]);
/** Decrypts a_Length bytes of the encrypted data; produces a_Length output bytes */
void ProcessData(Byte * a_DecryptedOut, const Byte * a_EncryptedIn, size_t a_Length);
/** Returns true if the object has been initialized with the Key / IV */
bool IsValid(void) const { return m_IsValid; }
protected:
mbedtls_aes_context m_Aes;
/** The InitialVector, used by the CFB mode decryption */
Byte m_IV[16];
/** Indicates whether the object has been initialized with the Key / IV */
bool m_IsValid;
} ;