QuasarApp/Qt-AES
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adding static classes

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This commit is contained in:
Matteo Brichese 2017-07-06 14:09:36 -07:00
parent f171c9e0b7
commit b601f21d68
2 changed files with 32 additions and 3 deletions
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28
qaesencryption.cpp
View File

@ -1,6 +1,32 @@
#include "qaesencryption.h"
#include <QDebug>
/*
* Static Functions
* */
QByteArray QAESEncryption::Crypt(QAESEncryption::AES level, QAESEncryption::MODE mode, const QByteArray rawText, const QByteArray key, const QByteArray iv)
{
return QAESEncryption(level, mode).encode(rawText, key, iv);
}
QByteArray QAESEncryption::Decrypt(QAESEncryption::AES level, QAESEncryption::MODE mode, const QByteArray rawText, const QByteArray key, const QByteArray iv)
{
return QAESEncryption(level, mode).decode(rawText, key, iv);
}
QByteArray QAESEncryption::ExpandKey(QAESEncryption::AES level, QAESEncryption::MODE mode, const QByteArray key)
{
return QAESEncryption(level, mode).expandKey(key);
}
/*
* End Static function declarations
* */
/*
* Constructor
* */
QAESEncryption::QAESEncryption(QAESEncryption::AES level, QAESEncryption::MODE mode) : m_nb(4), m_blocklen(16), m_level(level), m_mode(mode)
{
m_state = NULL;
@ -355,8 +381,6 @@ QByteArray QAESEncryption::decode(const QByteArray rawText, const QByteArray key
QByteArray alignedText(rawText);
QByteArray ivTemp(iv);
//alignedText.append(getPadding(rawText.size(), m_blocklen), 0); //filling the array with zeros
for(int i=0; i < alignedText.size(); i+= m_blocklen)
{
ret.append(invCipher(expandedKey, alignedText.mid(i, m_blocklen)));

7
qaesencryption.h
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@ -19,10 +19,15 @@ public:
CBC
} MODE;
static QByteArray Crypt(QAESEncryption::AES level, QAESEncryption::MODE mode, const QByteArray rawText, const QByteArray key, const QByteArray iv = NULL);
static QByteArray Decrypt(QAESEncryption::AES level, QAESEncryption::MODE mode, const QByteArray rawText, const QByteArray key, const QByteArray iv = NULL);
static QByteArray ExpandKey(QAESEncryption::AES level, QAESEncryption::MODE mode, const QByteArray key);
QAESEncryption(QAESEncryption::AES level, QAESEncryption::MODE mode);
QByteArray encode(const QByteArray rawText, const QByteArray key, const QByteArray iv = NULL);
QByteArray decode(const QByteArray rawText, const QByteArray key, const QByteArray iv = NULL);
QByteArray expandKey(const QByteArray key);
signals:
@ -59,7 +64,7 @@ private:
quint8 getSBoxValue(quint8 num){return sbox[num];}
quint8 getSBoxInvert(quint8 num){return rsbox[num];}
QByteArray expandKey(const QByteArray key);
void addRoundKey(const quint8 round, const QByteArray expKey);
void subBytes();
void shiftRows();