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-rw-r--r--CryptClass/AESCrypt.cpp126
-rw-r--r--CryptClass/AESCrypt.hpp101
-rw-r--r--CryptClass/AbstractSKA.hpp57
-rw-r--r--CryptClass/HASHCrypt.cpp116
-rw-r--r--CryptClass/HASHCrypt.hpp135
5 files changed, 0 insertions, 535 deletions
diff --git a/CryptClass/AESCrypt.cpp b/CryptClass/AESCrypt.cpp
deleted file mode 100644
index d3ea949..0000000
--- a/CryptClass/AESCrypt.cpp
+++ /dev/null
@@ -1,126 +0,0 @@
-/**
- * @file AESCrypt.cpp
- * @brief AESCrypt class definitions
- * @author manzerbredes
- * @date 8 Mars 2015
- *
- * Contain all definitions of AESCrypt class.
- *
- */
-
-
-//----- class -----
-#include "AESCrypt.hpp"
-
-
-
-//Constructor
-AESCrypt::AESCrypt(){
- this->hash=HASHCrypt(); //Init hash attribute
-}
-
-//Destructor
-AESCrypt::~AESCrypt(){
-
-}
-
-
-
-//Encrypt string with string key
-std::string AESCrypt::encrypt(std::string key, std::string data){
-
- //Generate SHA-256
- byte digest[32];
- hash.getSHA_256(key, digest, (int)sizeof(digest));
-
- return encryptRoutine(data, digest, sizeof(digest));
-
-}
-
-
-
-//Encrypt string with byte* key
-std::string AESCrypt::encrypt(byte* key, std::string data){
- return encryptRoutine(data, key, 32);
-}
-
-
-
-//The encryptRoutine
-std::string AESCrypt::encryptRoutine(std::string data, byte* digest, int size){
- //Contain data encrypted
- std::string cipher;
-
-
- //Use try, catch to be ensure no problems happening
- try{
- //Create encoder to encrypt data
- CryptoPP::ECB_Mode<CryptoPP::AES>::Encryption encoder;
- encoder.SetKey( digest, size );
-
- //Encrypt data with StreamTransformationFilter with NO PADDING
- CryptoPP::StringSource ss1(data, true,
- new CryptoPP::StreamTransformationFilter( encoder,
- new CryptoPP::StringSink( cipher ),
- CryptoPP::StreamTransformationFilter::ZEROS_PADDING
-
- )
- );
- }
- catch( CryptoPP::Exception& e )
- {
- std::cerr << e.what() << std::endl;
- exit(EXIT_FAILURE);
- }
-
- //return encrypted data
- return cipher;
-
-
-}
-
-
-
-//Decrypt string
-std::string AESCrypt::decrypt(std::string key, std::string data){
-
- //Get SHA-256
- byte digest[32];
- hash.getSHA_256(key, digest, (int)sizeof(digest));
-
-
- //Contain data decrypted
- std::string cipher;
-
- //Use try, catch to be ensure no problems happening
- try {
-
- //Create decoder to encrypt data
- CryptoPP::ECB_Mode< CryptoPP::AES >::Decryption decoder;
- decoder.SetKey( digest, sizeof(digest) );
-
- //Decrypt data with StreamTransformationFilter with NO PADDING
- CryptoPP::StringSource ss3( data, true,
- new CryptoPP::StreamTransformationFilter( decoder,
- new CryptoPP::StringSink( cipher ),
- CryptoPP::StreamTransformationFilter::NO_PADDING
- )
- );
- }
- catch( CryptoPP::Exception& e )
- {
- std::cerr << e.what() << std::endl;
- exit(1);
- }
-
- //Remove ZEROS padding
- int i=0;
- for(i=0;i<cipher.length();i++){
- if(cipher[i]=='\0')
- break;
- }
- cipher.erase(i,cipher.length()-1); //Erase ZEROS
-
- //return decrypted data
- return cipher;
-}
diff --git a/CryptClass/AESCrypt.hpp b/CryptClass/AESCrypt.hpp
deleted file mode 100644
index c4d75aa..0000000
--- a/CryptClass/AESCrypt.hpp
+++ /dev/null
@@ -1,101 +0,0 @@
-/**
- * @file AESCrypt.hpp
- * @brief AESCrypt class header
- * @author manzerbredes
- * @date 8 Mars 2015
- *
- * Contain all prototypes of AESCrypt class.
- *
- */
-
-#ifndef __AESCrypt__
-#define __AESCrypt__
-
-//----- std -----
-#include "AbstractSKA.hpp"
-#include "HASHCrypt.hpp"
-#include <iostream>
-
-//----- crypto++ -----
-#include <crypto++/aes.h>
-#include <crypto++/modes.h>
-#include <crypto++/filters.h>
-
-
-/**
- * @class AESCrypt AESCrypt.hpp "/CryptClass/AESCrypt.hpp"
- * @brief Class for Advanced Encryption Standard (AES) algorithm
- * @author manzerbredes
- *
- * This class provide AES encrypt and decrypt.
- * Key used is 32 bytes key (256 bits).
- *
- * \bug Find another solution for managing padding.
- */
-class AESCrypt : public AbstractSKA {
-
-
- public:
- //Constructor
- AESCrypt();
-
- //Destructor
- ~AESCrypt();
-
-
- /**
- * @brief Run encryptRoutine.
- *
- * @param key : key used to encrypt data
- * @param data : contain data to encrypt.
- *
- * @return string : correspond to crypted data
- *
- * Run encryptRoutine with byte* key or string key.
- * Allow you to choose between string key or byte key.
- *
- */
- std::string encrypt(std::string key, std::string data);
- std::string encrypt(byte* key, std::string data);
-
-
- /**
- * @brief Decrypt data from AES algorithm.
- *
- * @param key : key used to encrypt data
- * @param data : contain data to decrypt from AES encrypt.
- *
- * @return string : correspond to decrypted data
- *
- * Decrypt data, and return them into a string.
- *
- */
- std::string decrypt(std::string key, std::string data);
-
-
-
- private:
-
- /**
- * @brief Encrypt data with AES algorithm.
- *
- * @param key : key used to encrypt data
- * @param data : contain data to encrypt.
- *
- * @return string : correspond to crypted data
- *
- * Encrypt data, and return them into a string.
- * Padding are blank space.
- *
- */
- std::string encryptRoutine(std::string data, byte* digest, int size);
-
-
- //Attributes:
-
- HASHCrypt hash; ///< hash instance to generate SHA-256 hash code.
-
-
-};
-
-#endif
diff --git a/CryptClass/AbstractSKA.hpp b/CryptClass/AbstractSKA.hpp
deleted file mode 100644
index 7622ab4..0000000
--- a/CryptClass/AbstractSKA.hpp
+++ /dev/null
@@ -1,57 +0,0 @@
-/**
- * @file AbstractSKA.hpp
- * @brief Class for Symmetric-Key Algorithm (SKA)
- * @author manzerbredes
- * @date 8 Mars 2015
- *
- * Specify which method the algorithm must be implement.
- *
- */
-
-#ifndef __AbstractSKA__
-#define __AbstractSKA__
-
-
-//----- std -----
-#include <string>
-
-
-
-/**
- * @class AbstractSKA AbstractSKA.hpp "/CryptClass/AbstractSKA.hpp"
- * @brief Class for Symmetric-Key Algorithm (SKA)
- * @author manzerbredes
- *
- * This class should not be instantiate directly.
- *
- */
-class AbstractSKA {
-
- public:
- /**
- * @brief Encrypt data.
- *
- * @param key : key used to encrypt data
- * @param data : contain data to encrypt.
- *
- * This method must be overwritten.
- * **Warning** data will be modified.
- *
- */
- virtual std::string encrypt(std::string key, std::string data) = 0;
-
-
- /**
- * @brief Decrypt data.
- *
- * @param key : key used to decrypt data
- * @param data : contain data to decrypt.
- *
- * This method must be overwritten.
- * **Warning** data will be modified.
- *
- */
- virtual std::string decrypt(std::string key, std::string data) = 0;
-};
-
-#endif
diff --git a/CryptClass/HASHCrypt.cpp b/CryptClass/HASHCrypt.cpp
deleted file mode 100644
index eed9cb5..0000000
--- a/CryptClass/HASHCrypt.cpp
+++ /dev/null
@@ -1,116 +0,0 @@
-/**
- * @file HASHCrypt.cpp
- * @brief HASHCrypt class definitions
- * @author manzerbredes
- * @date 8 Mars 2015
- *
- * Contain all definitions of HASHCrypt class.
- *
- */
-
-
-//----- class -----
-#include "HASHCrypt.hpp"
-
-
-
-//Constructor
-HASHCrypt::HASHCrypt(){
-}
-
-//Destructor
-HASHCrypt::~HASHCrypt(){
-}
-
-
-
-//Contruct MD5 over 128 bits and put it into digest
-void HASHCrypt::getMD5_128(std::string chain, byte* digest, int size){
-
- //Digest size controller
- this->checkDigestSize(CryptoPP::Weak1::MD5::DIGESTSIZE,size);
-
- //Create the MD5 on digest parameter
- CryptoPP::Weak1::MD5 hash;
- hash.CalculateDigest( digest, (byte*) chain.c_str(), chain.length() );
-
-}
-
-
-
-//Contruct SHA-256 and put it into digest
-void HASHCrypt::getSHA_256(std::string chain, byte* digest, int size){
-
- //Digest size controller
- this->checkDigestSize(CryptoPP::SHA256::DIGESTSIZE,size);
-
- //Create the SHA-256 on digest parameter
- CryptoPP::SHA256 hash;
- hash.CalculateDigest( digest, (byte*) chain.c_str(), chain.length() );
-
-
-}
-
-
-
-//Compare 2 digest (same size)
-bool HASHCrypt::compareDigest(byte* digest1, byte* digest2, int size){
-
- //Try is more safe
- try
- {
- //Compare the two digest
- for(int i=0; i<size; i++){
- //Return false if digest are different
- if(digest1[i] != digest2[i]){
- return false;
- }
- }
- }
- catch (std::exception& e)
- {
- std::cerr << "Exception catched : " << e.what() << std::endl;
- }
-
- //Return true if digest are equals
- return true;
-}
-
-
-
-//Convert digest to string
-std::string HASHCrypt::digestToString(byte* digest, int size){
-
- CryptoPP::HexEncoder encoder;
- std::string output;
- encoder.Attach( new CryptoPP::StringSink( output ) );
- encoder.Put( digest, size );
- encoder.MessageEnd();
-
- return output;
-}
-
-
-
-//Check the size of the digest
-void HASHCrypt::checkDigestSize(int sizeRequired, int size){
- try{
- if(size !=sizeRequired){
- throw this->getInvalidDigestSizeError(sizeRequired, size);
- }
-
- }
- catch(std::string erreur){
- std::cerr << erreur <<std::endl;
- std::exit(EXIT_FAILURE);
- }
-}
-
-
-
-//Make the error
-std::string HASHCrypt::getInvalidDigestSizeError(int sizeRequired, int size){
- std::ostringstream erreurStream;
- erreurStream << "Invalid digest size ! ("<< sizeRequired <<" bytes required and "<< size <<" given)";
- return erreurStream.str();
-}
diff --git a/CryptClass/HASHCrypt.hpp b/CryptClass/HASHCrypt.hpp
deleted file mode 100644
index 3eafb2f..0000000
--- a/CryptClass/HASHCrypt.hpp
+++ /dev/null
@@ -1,135 +0,0 @@
-/**
- * @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
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