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Implement Twofish CBC encryption and decryption tests

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This commit is contained in:
Janek Bevendorff 2017-01-15 19:12:23 +01:00
parent b0a4d7278a
commit 75dc21c66d
No known key found for this signature in database
GPG Key ID: CFEC2F6850BFFA53
2 changed files with 123 additions and 0 deletions
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121
tests/TestSymmetricCipher.cpp
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@ -123,6 +123,127 @@ void TestSymmetricCipher::testAes256CbcDecryption()
plainText);
}
void TestSymmetricCipher::testTwofish256CbcEncryption()
{
// NIST MCT Known-Answer Tests (cbc_e_m.txt)
// https://www.schneier.com/code/twofish-kat.zip
QVector<QByteArray> keys {
QByteArray::fromHex("0000000000000000000000000000000000000000000000000000000000000000"),
QByteArray::fromHex("D0A260EB41755B19374BABF259A79DB3EA7162E65490B03B1AE4871FB35EF23B"),
QByteArray::fromHex("8D55E4849A4DED08D89881E6708EDD26BEEE942073DFB3790B2798B240ACD74A"),
QByteArray::fromHex("606EFDC2066A837AF0430EBE4CF1F21071CCB236C33B4B9D82404FDB05C74621"),
QByteArray::fromHex("B119AA9485CEEEB4CC778AF21121E54DE4BDBA3498C61C8FD9004AA0C71909C3")
};
QVector<QByteArray> ivs {
QByteArray::fromHex("00000000000000000000000000000000"),
QByteArray::fromHex("EA7162E65490B03B1AE4871FB35EF23B"),
QByteArray::fromHex("549FF6C6274F034211C31FADF3F22571"),
QByteArray::fromHex("CF222616B0E4F8E48967D769456B916B"),
QByteArray::fromHex("957108025BFD57125B40057BC2DE4FE2")
};
QVector<QByteArray> plainTexts {
QByteArray::fromHex("00000000000000000000000000000000"),
QByteArray::fromHex("D0A260EB41755B19374BABF259A79DB3"),
QByteArray::fromHex("5DF7846FDB38B611EFD32A1429294095"),
QByteArray::fromHex("ED3B19469C276E7228DB8F583C7F2F36"),
QByteArray::fromHex("D177575683A46DCE3C34844C5DD0175D")
};
QVector<QByteArray> cipherTexts {
QByteArray::fromHex("EA7162E65490B03B1AE4871FB35EF23B"),
QByteArray::fromHex("549FF6C6274F034211C31FADF3F22571"),
QByteArray::fromHex("CF222616B0E4F8E48967D769456B916B"),
QByteArray::fromHex("957108025BFD57125B40057BC2DE4FE2"),
QByteArray::fromHex("6F725C5950133F82EF021A94CADC8508")
};
SymmetricCipher cipher(SymmetricCipher::Twofish, SymmetricCipher::Cbc, SymmetricCipher::Encrypt);
bool ok;
for (int i = 0; i < keys.size(); ++i) {
cipher.init(keys[i], ivs[i]);
QByteArray ptNext = plainTexts[i];
QByteArray ctPrev = ivs[i];
QByteArray ctCur;
QCOMPARE(cipher.blockSize(), 16);
for (int j = 0; j < 5000; ++j) {
ctCur = cipher.process(ptNext, &ok);
if (!ok)
return;
ptNext = ctPrev;
ctPrev = ctCur;
ctCur = cipher.process(ptNext, &ok);
if (!ok)
return;
ptNext = ctPrev;
ctPrev = ctCur;
}
QVERIFY(ok);
QCOMPARE(ctCur, cipherTexts[i]);
}
}
void TestSymmetricCipher::testTwofish256CbcDecryption()
{
// NIST MCT Known-Answer Tests (cbc_d_m.txt)
// https://www.schneier.com/code/twofish-kat.zip
QVector<QByteArray> keys {
QByteArray::fromHex("0000000000000000000000000000000000000000000000000000000000000000"),
QByteArray::fromHex("1B1FE8F5A911CD4C0D800EDCE8ED0A942CBA6271A1044F90C30BA8FE91E1C163"),
QByteArray::fromHex("EBA31FF8D2A24FDD769A937353E23257294A33394E4D17A668060AD8230811A1"),
QByteArray::fromHex("1DCF1915C389AB273F80F897BF008F058ED89F58A95C1BE523C4B11295ED2D0F"),
QByteArray::fromHex("491B9A66D3ED4EF19F02180289D5B1A1C2596AE568540A95DC5244198A9B8869")
};
QVector<QByteArray> ivs {
QByteArray::fromHex("00000000000000000000000000000000"),
QByteArray::fromHex("1B1FE8F5A911CD4C0D800EDCE8ED0A94"),
QByteArray::fromHex("F0BCF70D7BB382917B1A9DAFBB0F38C3"),
QByteArray::fromHex("F66C06ED112BE4FA491A6BE4ECE2BD52"),
QByteArray::fromHex("54D483731064E5D6A082E09536D53EA4")
};
QVector<QByteArray> plainTexts {
QByteArray::fromHex("2CBA6271A1044F90C30BA8FE91E1C163"),
QByteArray::fromHex("05F05148EF495836AB0DA226B2E9D0C2"),
QByteArray::fromHex("A792AC61E7110C434BC2BBCAB6E53CAE"),
QByteArray::fromHex("4C81F5BDC1081170FF96F50B1F76A566"),
QByteArray::fromHex("BD959F5B787037631A37051EA5F369F8")
};
QVector<QByteArray> cipherTexts {
QByteArray::fromHex("00000000000000000000000000000000"),
QByteArray::fromHex("2CBA6271A1044F90C30BA8FE91E1C163"),
QByteArray::fromHex("05F05148EF495836AB0DA226B2E9D0C2"),
QByteArray::fromHex("A792AC61E7110C434BC2BBCAB6E53CAE"),
QByteArray::fromHex("4C81F5BDC1081170FF96F50B1F76A566")
};
SymmetricCipher cipher(SymmetricCipher::Twofish, SymmetricCipher::Cbc, SymmetricCipher::Decrypt);
bool ok;
for (int i = 0; i < keys.size(); ++i) {
cipher.init(keys[i], ivs[i]);
QByteArray ctNext = cipherTexts[i];
QByteArray ptCur;
QCOMPARE(cipher.blockSize(), 16);
for (int j = 0; j < 5000; ++j) {
ptCur = cipher.process(ctNext, &ok);
if (!ok)
return;
ctNext = ptCur;
ptCur = cipher.process(ctNext, &ok);
if (!ok)
return;
ctNext = ptCur;
}
QVERIFY(ok);
QCOMPARE(ptCur, plainTexts[i]);
}
}
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

2
tests/TestSymmetricCipher.h
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@ -28,6 +28,8 @@ private Q_SLOTS:
void initTestCase();
void testAes256CbcEncryption();
void testAes256CbcDecryption();
void testTwofish256CbcEncryption();
void testTwofish256CbcDecryption();
void testSalsa20();
void testPadding();
void testStreamReset();