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); }