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authormanzerbredes <loic.guegan_secondary@yahoo.fr>2015-03-20 10:57:03 +0400
committermanzerbredes <loic.guegan_secondary@yahoo.fr>2015-03-20 10:57:03 +0400
commit45f7cc5d27b338dae1d36c211cc5720c82f3de35 (patch)
tree38c356a4e5ba77520e59964f25cde28527e552bd /CryptClass/HASHCrypt.hpp
parenteb267792cd70a763bf2dcbfce6e7a09251b3913f (diff)
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diff --git a/CryptClass/HASHCrypt.hpp b/CryptClass/HASHCrypt.hpp
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-/**
- * @file HASHCrypt.hpp
- * @brief HASHCrypt class header
- * @author manzerbredes
- * @date 8 Mars 2015
- *
- * Contain all prototypes of HASHCrypt class.
- *
- */
-
-#ifndef __HASHCrypt__
-#define __HASHCrypt__
-
-//----- std -----
-#include <iostream>
-#include <string>
-#include <sstream>
-
-//----- crypto++ -----
-#define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1
-#include <crypto++/md5.h> //For MD5
-#include <crypto++/hex.h> //For Hex convertion
-#include <crypto++/sha.h> //For SHA
-
-
-/**
- * @class HASHCrypt HASHCrypt.hpp "/CryptClass/HASHCrypt.hpp"
- * @brief Hashing class
- * @author manzerbredes
- *
- * Class who handle hashing functions on a byte* parameter.
- * HASHCrypt try to detect errors and throw exceptions.
- * HASHCrypt use crypto++ library.
- */
-class HASHCrypt{
-
- public:
- /**
- * @brief Contructor
- */
- HASHCrypt();
-
- /**
- * @brief Destructor
- */
- ~HASHCrypt();
-
-
- /**
- * @brief Create an MD5 over 128 bits on a digest array of bytes.
- *
- * @param chain : Chain to hash
- * @param digest : An array of bytes (8 bits)
- * @param size : Length of digest
- *
- * **Warning** digest will be modified.
- * Digest must be an array of byte with 16 entries
- * Invalid size can cause "Segmentation Fault"
- */
- void getMD5_128(std::string chain, byte* digest, int size);
-
-
- /**
- * @brief Create an SHA over 256 bits on a digest array of bytes.
- *
- * @param chain : Chain to hash
- * @param digest : An array of bytes (8 bits)
- * @param size : Length of digest
- *
- * **Warning** digest will be modified.
- * Digest must be an array of byte with 32 entries
- * Invalid size can cause "Segmentation Fault"
- */
- void getSHA_256(std::string chain, byte* digest, int size); //Return SHA_256
-
-
- /**
- * @brief Convert digest to a string of HEX characters
- *
- * @param digest : an array of bytes (8 bits)
- * @param size : length of digest
- *
- * @return return a string of hex digest equivalent
- *
- * Digest must be an array of byte.
- */
- std::string digestToString(byte* digest, int size); //Return a string
-
-
- /**
- * @brief Compare 2 digest
- *
- * @param digest1 : An array of bytes (8 bits)
- * @param digest2 : An array of bytes (8 bits)
- * @param size : Length of the array digest1 or digest2
- *
- * @return return a boolean (true if digest1 equals to digest2 and false else)
- *
- * **Warning** if sizeof(digest1) != sizeof(digest 2) : segmentation fault !
- * Compare the two digest.
- *
- */
- bool compareDigest(byte* digest1, byte* digest2, int size);
-
-
- private:
-
- /**
- * @brief Check the digest size
- *
- * @param sizeRequired : Digest size expected
- * @param size : Given digest size
- *
- * Throw an exception, and stop the program if
- * sizeRequired != size
- * Use getInvalidDigestSizeError method.
- */
- void checkDigestSize(int sizeRequired, int size);
-
-
- /**
- * @brief Make "invalid digest size" error message.
- *
- * @param sizeRequired : Digest size expected
- * @param size : Given digest size
- *
- * @return a string correspond to the error message
- *
- * Construct an error message with sizeRequired and size.
- */
- std::string getInvalidDigestSizeError(int sizeRequired, int size);
-
-};
-
-#endif