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Add Salsa20 cipher.

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Restructure SymmetricCipher implementation to allow multiple backends.
This commit is contained in:
Felix Geyer 2010-11-21 16:19:27 +01:00
parent 3b9982c0a3
commit a428464573
16 changed files with 1533 additions and 104 deletions
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54
tests/TestSymmetricCipher.cpp
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@ -30,6 +30,7 @@ private Q_SLOTS:
void initTestCase();
void testAes256CbcEncryption();
void testAes256CbcDecryption();
void testSalsa20();
};
void TestSymmetricCipher::initTestCase()
@ -115,6 +116,59 @@ void TestSymmetricCipher::testAes256CbcDecryption()
plainText);
}
void TestSymmetricCipher::testSalsa20()
{
// http://www.ecrypt.eu.org/stream/svn/viewcvs.cgi/ecrypt/trunk/submissions/salsa20/full/verified.test-vectors?logsort=rev&rev=210&view=markup
QByteArray key = QByteArray::fromHex("F3F4F5F6F7F8F9FAFBFCFDFEFF000102030405060708090A0B0C0D0E0F101112");
QByteArray iv = QByteArray::fromHex("0000000000000000");
SymmetricCipher cipher(SymmetricCipher::Salsa20, SymmetricCipher::Stream, SymmetricCipher::Encrypt, key, iv);
QByteArray cipherTextA;
for (int i=0; i<8; i++) {
cipherTextA.append(cipher.process(QByteArray(64, '\0')));
}
cipher.reset();
QByteArray cipherTextB = cipher.process(QByteArray(512, '\0'));
cipher.reset();
QByteArray expectedCipherText1;
expectedCipherText1.append(QByteArray::fromHex("B4C0AFA503BE7FC29A62058166D56F8F"));
expectedCipherText1.append(QByteArray::fromHex("5D27DC246F75B9AD8760C8C39DFD8749"));
expectedCipherText1.append(QByteArray::fromHex("2D3B76D5D9637F009EADA14458A52DFB"));
expectedCipherText1.append(QByteArray::fromHex("09815337E72672681DDDC24633750D83"));
QByteArray expectedCipherText2;
expectedCipherText2.append(QByteArray::fromHex("DBBA0683DF48C335A9802EEF02522563"));
expectedCipherText2.append(QByteArray::fromHex("54C9F763C3FDE19131A6BB7B85040624"));
expectedCipherText2.append(QByteArray::fromHex("B1D6CD4BF66D16F7482236C8602A6D58"));
expectedCipherText2.append(QByteArray::fromHex("505EEDCCA0B77AED574AB583115124B9"));
QByteArray expectedCipherText3;
expectedCipherText3.append(QByteArray::fromHex("F0C5F98BAE05E019764EF6B65E0694A9"));
expectedCipherText3.append(QByteArray::fromHex("04CB9EC9C10C297B1AB1A6052365BB78"));
expectedCipherText3.append(QByteArray::fromHex("E55D3C6CB9F06184BA7D425A92E7E987"));
expectedCipherText3.append(QByteArray::fromHex("757FC5D9AFD7082418DD64125CA6F2B6"));
QByteArray expectedCipherText4;
expectedCipherText4.append(QByteArray::fromHex("5A5FB5C8F0AFEA471F0318A4A2792F7A"));
expectedCipherText4.append(QByteArray::fromHex("A5C67B6D6E0F0DDB79961C34E3A564BA"));
expectedCipherText4.append(QByteArray::fromHex("2EECE78D9AFF45E510FEAB1030B102D3"));
expectedCipherText4.append(QByteArray::fromHex("9DFCECB77F5798F7D2793C0AB09C7A04"));
QCOMPARE(cipherTextA.mid(0, 64), expectedCipherText1);
QCOMPARE(cipherTextA.mid(192, 64), expectedCipherText2);
QCOMPARE(cipherTextA.mid(256, 64), expectedCipherText3);
QCOMPARE(cipherTextA.mid(448, 64), expectedCipherText4);
QCOMPARE(cipherTextB.mid(0, 64), expectedCipherText1);
QCOMPARE(cipherTextB.mid(192, 64), expectedCipherText2);
QCOMPARE(cipherTextB.mid(256, 64), expectedCipherText3);
QCOMPARE(cipherTextB.mid(448, 64), expectedCipherText4);
}
QTEST_MAIN(TestSymmetricCipher);
#include "TestSymmetricCipher.moc"