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C# BcpgOutputStream.WriteByte方法代码示例

本文整理汇总了C#中BcpgOutputStream.WriteByte方法的典型用法代码示例。如果您正苦于以下问题:C# BcpgOutputStream.WriteByte方法的具体用法?C# BcpgOutputStream.WriteByte怎么用?C# BcpgOutputStream.WriteByte使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在BcpgOutputStream的用法示例。


在下文中一共展示了BcpgOutputStream.WriteByte方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: Open


//.........这里部分代码省略.........
                }

				pOut.WritePacket((ContainedPacket)methods[0]);
            }
            else // multiple methods
            {
                key = PgpUtilities.MakeRandomKey(defAlgorithm, rand);
				byte[] sessionInfo = CreateSessionInfo(defAlgorithm, key);

				for (int i = 0; i != methods.Count; i++)
                {
                    EncMethod m = (EncMethod)methods[i];

                    try
                    {
                        m.AddSessionInfo(sessionInfo, rand);
                    }
                    catch (Exception e)
                    {
                        throw new PgpException("exception encrypting session key", e);
                    }

                    pOut.WritePacket(m);
                }
            }

            string cName = PgpUtilities.GetSymmetricCipherName(defAlgorithm);
			if (cName == null)
            {
                throw new PgpException("null cipher specified");
            }

			try
            {
                if (withIntegrityPacket)
                {
                    cName += "/CFB/NoPadding";
                }
                else
                {
                    cName += "/OpenPGPCFB/NoPadding";
                }

                c = CipherUtilities.GetCipher(cName);

				// TODO Confirm the IV should be all zero bytes (not inLineIv - see below)
				byte[] iv = new byte[c.GetBlockSize()];
                c.Init(true, new ParametersWithRandom(new ParametersWithIV(key, iv), rand));

                if (buffer == null)
                {
                    //
                    // we have to Add block size + 2 for the Generated IV and + 1 + 22 if integrity protected
                    //
                    if (withIntegrityPacket)
                    {
                        pOut = new BcpgOutputStream(outStr, PacketTag.SymmetricEncryptedIntegrityProtected, length + c.GetBlockSize() + 2 + 1 + 22);
                        pOut.WriteByte(1);        // version number
                    }
                    else
                    {
                        pOut = new BcpgOutputStream(outStr, PacketTag.SymmetricKeyEncrypted, length + c.GetBlockSize() + 2, oldFormat);
                    }
                }
                else
                {
                    if (withIntegrityPacket)
                    {
                        pOut = new BcpgOutputStream(outStr, PacketTag.SymmetricEncryptedIntegrityProtected, buffer);
                        pOut.WriteByte(1);        // version number
                    }
                    else
                    {
                        pOut = new BcpgOutputStream(outStr, PacketTag.SymmetricKeyEncrypted, buffer);
                    }
                }

				int blockSize = c.GetBlockSize();
				byte[] inLineIv = new byte[blockSize + 2];
                rand.NextBytes(inLineIv, 0, blockSize);
				Array.Copy(inLineIv, inLineIv.Length - 4, inLineIv, inLineIv.Length - 2, 2);

				Stream myOut = cOut = new CipherStream(pOut, null, c);

				if (withIntegrityPacket)
                {
					string digestName = PgpUtilities.GetDigestName(HashAlgorithmTag.Sha1);
					IDigest digest = DigestUtilities.GetDigest(digestName);
					myOut = digestOut = new DigestStream(myOut, null, digest);
                }

				myOut.Write(inLineIv, 0, inLineIv.Length);

				return new WrappedGeneratorStream(this, myOut);
            }
            catch (Exception e)
            {
                throw new PgpException("Exception creating cipher", e);
            }
        }
开发者ID:ktw,项目名称:OutlookPrivacyPlugin,代码行数:101,代码来源:PgpEncryptedDataGenerator.cs


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