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Crypto::selfTest(): test AES in ECB mode.

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This commit is contained in:
Felix Geyer 2015-05-10 00:02:08 +02:00
parent 4362c3ea38
commit ade684d501
2 changed files with 49 additions and 5 deletions
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51
src/crypto/Crypto.cpp
View File

@ -143,7 +143,7 @@ bool Crypto::checkAlgorithms()
bool Crypto::selfTest()
{
return testSha256() && testAes256() && testTwofish() && testSalsa20();
return testSha256() && testAes256Cbc() && testAes256Ecb() && testTwofish() && testSalsa20();
}
void Crypto::raiseError(const QString& str)
@ -165,7 +165,7 @@ bool Crypto::testSha256()
return true;
}
bool Crypto::testAes256()
bool Crypto::testAes256Cbc()
{
QByteArray key = QByteArray::fromHex("603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4");
QByteArray iv = QByteArray::fromHex("000102030405060708090a0b0c0d0e0f");
@ -186,7 +186,7 @@ bool Crypto::testAes256()
return false;
}
if (encryptedText != cipherText) {
raiseError("AES-256 encryption mismatch.");
raiseError("AES-256 CBC encryption mismatch.");
return false;
}
@ -201,7 +201,50 @@ bool Crypto::testAes256()
return false;
}
if (decryptedText != plainText) {
raiseError("AES-256 decryption mismatch.");
raiseError("AES-256 CBC decryption mismatch.");
return false;
}
return true;
}
bool Crypto::testAes256Ecb()
{
QByteArray key = QByteArray::fromHex("000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F");
QByteArray iv = QByteArray::fromHex("00000000000000000000000000000000");
QByteArray plainText = QByteArray::fromHex("00112233445566778899AABBCCDDEEFF");
plainText.append(QByteArray::fromHex("00112233445566778899AABBCCDDEEFF"));
QByteArray cipherText = QByteArray::fromHex("8EA2B7CA516745BFEAFC49904B496089");
cipherText.append(QByteArray::fromHex("8EA2B7CA516745BFEAFC49904B496089"));
bool ok;
SymmetricCipher aes256Encrypt(SymmetricCipher::Aes256, SymmetricCipher::Ecb, SymmetricCipher::Encrypt);
if (!aes256Encrypt.init(key, iv)) {
raiseError(aes256Encrypt.errorString());
return false;
}
QByteArray encryptedText = aes256Encrypt.process(plainText, &ok);
if (!ok) {
raiseError(aes256Encrypt.errorString());
return false;
}
if (encryptedText != cipherText) {
raiseError("AES-256 ECB encryption mismatch.");
return false;
}
SymmetricCipher aes256Descrypt(SymmetricCipher::Aes256, SymmetricCipher::Ecb, SymmetricCipher::Decrypt);
if (!aes256Descrypt.init(key, iv)) {
raiseError(aes256Descrypt.errorString());
return false;
}
QByteArray decryptedText = aes256Descrypt.process(cipherText, &ok);
if (!ok) {
raiseError(aes256Descrypt.errorString());
return false;
}
if (decryptedText != plainText) {
raiseError("AES-256 ECB decryption mismatch.");
return false;
}

3
src/crypto/Crypto.h
View File

@ -36,7 +36,8 @@ private:
static bool selfTest();
static void raiseError(const QString& str);
static bool testSha256();
static bool testAes256();
static bool testAes256Cbc();
static bool testAes256Ecb();
static bool testTwofish();
static bool testSalsa20();