public CapiSymmetricAlgorithm(int blockSize, int feedbackSize, SafeCspHandle provider, SafeCapiKeyHandle key, byte[] iv, CipherMode cipherMode, PaddingMode paddingMode, EncryptionMode encryptionMode)
{
this.m_blockSize = blockSize;
this.m_encryptionMode = encryptionMode;
this.m_paddingMode = paddingMode;
this.m_provider = provider.Duplicate();
this.m_key = SetupKey(key, ProcessIV(iv, blockSize, cipherMode), cipherMode, feedbackSize);
}
public CapiSymmetricAlgorithm(int blockSize,
int feedbackSize,
SafeCspHandle provider,
SafeCapiKeyHandle key,
byte[] iv,
CipherMode cipherMode,
PaddingMode paddingMode,
EncryptionMode encryptionMode)
{
Contract.Requires(0 < blockSize && blockSize % 8 == 0);
Contract.Requires(0 <= feedbackSize);
Contract.Requires(provider != null && !provider.IsInvalid && !provider.IsClosed);
Contract.Requires(key != null && !key.IsInvalid && !key.IsClosed);
Contract.Ensures(m_provider != null && !m_provider.IsInvalid && !m_provider.IsClosed);
m_blockSize = blockSize;
m_encryptionMode = encryptionMode;
m_paddingMode = paddingMode;
m_provider = provider.Duplicate();
m_key = SetupKey(key, ProcessIV(iv, blockSize, cipherMode), cipherMode, feedbackSize);
}
