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Improve performance of the key transformation.

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This commit is contained in:
Felix Geyer 2012-05-07 14:31:18 +02:00
parent 7649c781dc
commit d5fc1bf0b4
8 changed files with 50 additions and 17 deletions
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20
src/crypto/SymmetricCipherGcrypt.cpp
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@ -113,6 +113,26 @@ void SymmetricCipherGcrypt::processInPlace(QByteArray& data)
Q_ASSERT(error == 0);
}
void SymmetricCipherGcrypt::processInPlace(QByteArray& data, int rounds)
{
// TODO check block size
gcry_error_t error;
if (m_direction == SymmetricCipher::Decrypt) {
for (int i = 0; i != rounds; ++i) {
error = gcry_cipher_decrypt(m_ctx, data.data(), data.size(), 0, 0);
Q_ASSERT(error == 0);
}
}
else {
for (int i = 0; i != rounds; ++i) {
error = gcry_cipher_encrypt(m_ctx, data.data(), data.size(), 0, 0);
Q_ASSERT(error == 0);
}
}
}
void SymmetricCipherGcrypt::reset()
{
gcry_error_t error;