QuasarApp/Qt-AES
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QByteArrays now passed by reference to improve performance

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linev 2018-01-13 15:47:49 +03:00
parent 8b58ac9a3b
commit 8b9bcdd933
2 changed files with 18 additions and 18 deletions
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18
qaesencryption.cpp
View File

@ -3,17 +3,17 @@
/*
* Static Functions
* */
QByteArray QAESEncryption::Crypt(QAESEncryption::AES level, QAESEncryption::MODE mode, const QByteArray rawText, const QByteArray key, const QByteArray iv)
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)
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)
QByteArray QAESEncryption::ExpandKey(QAESEncryption::AES level, QAESEncryption::MODE mode, const QByteArray &key)
{
return QAESEncryption(level, mode).expandKey(key);
}
@ -85,7 +85,7 @@ QAESEncryption::QAESEncryption(QAESEncryption::AES level, QAESEncryption::MODE m
}
QByteArray QAESEncryption::expandKey(const QByteArray key)
QByteArray QAESEncryption::expandKey(const QByteArray &key)
{
int i, k;
quint8 tempa[4]; // Used for the column/row operations
@ -273,7 +273,7 @@ void QAESEncryption::invShiftRows()
it[11] = (quint8)temp;
}
QByteArray QAESEncryption::byteXor(const QByteArray a, const QByteArray b)
QByteArray QAESEncryption::byteXor(const QByteArray &a, const QByteArray &b)
{
QByteArray::const_iterator it_a = a.begin();
QByteArray::const_iterator it_b = b.begin();
@ -286,7 +286,7 @@ QByteArray QAESEncryption::byteXor(const QByteArray a, const QByteArray b)
}
// Cipher is the main function that encrypts the PlainText.
QByteArray QAESEncryption::cipher(const QByteArray expKey, const QByteArray in)
QByteArray QAESEncryption::cipher(const QByteArray &expKey, const QByteArray &in)
{
//m_state is the input buffer...
@ -315,7 +315,7 @@ QByteArray QAESEncryption::cipher(const QByteArray expKey, const QByteArray in)
return output;
}
QByteArray QAESEncryption::invCipher(const QByteArray expKey, const QByteArray in)
QByteArray QAESEncryption::invCipher(const QByteArray &expKey, const QByteArray &in)
{
//m_state is the input buffer.... handle it!
QByteArray output(in);
@ -343,7 +343,7 @@ QByteArray QAESEncryption::invCipher(const QByteArray expKey, const QByteArray i
return output;
}
QByteArray QAESEncryption::encode(const QByteArray rawText, const QByteArray key, const QByteArray iv)
QByteArray QAESEncryption::encode(const QByteArray &rawText, const QByteArray &key, const QByteArray &iv)
{
if (m_mode >= CBC && (iv.isNull() || iv.size() != m_blocklen))
return QByteArray();
@ -386,7 +386,7 @@ QByteArray QAESEncryption::encode(const QByteArray rawText, const QByteArray key
return ret;
}
QByteArray QAESEncryption::decode(const QByteArray rawText, const QByteArray key, const QByteArray iv)
QByteArray QAESEncryption::decode(const QByteArray &rawText, const QByteArray &key, const QByteArray &iv)
{
if (m_mode >= CBC && (iv.isNull() || iv.size() != m_blocklen))
return QByteArray();

18
qaesencryption.h
View File

@ -20,15 +20,15 @@ public:
CFB
} 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);
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);
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:
@ -76,9 +76,9 @@ private:
void invMixColumns();
void invSubBytes();
void invShiftRows();
QByteArray cipher(const QByteArray expKey, const QByteArray plainText);
QByteArray invCipher(const QByteArray expKey, const QByteArray plainText);
QByteArray byteXor(const QByteArray in, const QByteArray iv);
QByteArray cipher(const QByteArray &expKey, const QByteArray &plainText);
QByteArray invCipher(const QByteArray &expKey, const QByteArray &plainText);
QByteArray byteXor(const QByteArray &in, const QByteArray &iv);
const quint8 sbox[256] = {
//0 1 2 3 4 5 6 7 8 9 A B C D E F