ICSharpCode.SharpZipLib.Zip.Compression.Streams.DeflaterOutputStream - Coverage Report

# Summary

Class: | ICSharpCode.SharpZipLib.Zip.Compression.Streams.DeflaterOutputStream
Assembly: | ICSharpCode.SharpZipLib
File(s): | C:\Users\Neil\Documents\Visual Studio 2015\Projects\icsharpcode\SZL_master\ICSharpCode.SharpZipLib\Zip\Compression\Streams\DeflaterOutputStream.cs
Covered lines: | 76
Uncovered lines: | 28
Coverable lines: | 104
Total lines: | 476
Line coverage: | 73%
Branch coverage: | 71.4%

# Metrics

Method | Cyclomatic Complexity | Sequence Coverage | Branch Coverage
--- | --- | --- | ---
.ctor(...) | 1 | 100 | 100
.ctor(...) | 1 | 100 | 100
.ctor(...) | 5 | 71.43 | 55.56
Finish() | 7 | 87.5 | 76.92
EncryptBlock(...) | 1 | 100 | 100
InitializePassword(...) | 1 | 100 | 100
InitializeAESPassword(...) | 2 | 0 | 0
Deflate() | 5 | 88.89 | 88.89
Seek(...) | 1 | 0 | 0
SetLength(...) | 1 | 0 | 0
ReadByte() | 1 | 0 | 0
Read(...) | 1 | 0 | 0
BeginRead(...) | 1 | 0 | 0
BeginWrite(...) | 1 | 0 | 0
Flush() | 1 | 100 | 100
Close() | 4 | 100 | 100
GetAuthCodeIfAES() | 2 | 66.67 | 66.67
WriteByte(...) | 1 | 100 | 100
Write(...) | 1 | 100 | 100

# File(s)

## C:\Users\Neil\Documents\Visual Studio 2015\Projects\icsharpcode\SZL_master\ICSharpCode.SharpZipLib\Zip\Compression\Streams\DeflaterOutputStream.cs

| # | Line |  | Line coverage
--- | --- | --- | --- | ---
|  | `1` |  | `using System;`
|  | `2` |  | `using System.IO;`
|  | `3` |  | `using System.Security.Cryptography;`
|  | `4` |  | `using ICSharpCode.SharpZipLib.Encryption;`
|  | `5` |  | ``
|  | `6` |  | `namespace ICSharpCode.SharpZipLib.Zip.Compression.Streams`
|  | `7` |  | `{`
|  | `8` |  | `/// <summary>`
|  | `9` |  | `/// A special stream deflating or compressing the bytes that are`
|  | `10` |  | `/// written to it. It uses a Deflater to perform actual deflating.<br/>`
|  | `11` |  | `/// Authors of the original java version : Tom Tromey, Jochen Hoenicke`
|  | `12` |  | `/// </summary>`
|  | `13` |  | `public class DeflaterOutputStream : Stream`
|  | `14` |  | `{`
|  | `15` |  | `#region Constructors`
|  | `16` |  | `/// <summary>`
|  | `17` |  | `/// Creates a new DeflaterOutputStream with a default Deflater and default buffer size.`
|  | `18` |  | `/// </summary>`
|  | `19` |  | `/// <param name="baseOutputStream">`
|  | `20` |  | `/// the output stream where deflated output should be written.`
|  | `21` |  | `/// </param>`
|  | `22` |  | `public DeflaterOutputStream(Stream baseOutputStream)`
| 4 | `23` |  | `: this(baseOutputStream, new Deflater(), 512)`
|  | `24` |  | `{`
| 4 | `25` |  | `}`
|  | `26` |  | ``
|  | `27` |  | `/// <summary>`
|  | `28` |  | `/// Creates a new DeflaterOutputStream with the given Deflater and`
|  | `29` |  | `/// default buffer size.`
|  | `30` |  | `/// </summary>`
|  | `31` |  | `/// <param name="baseOutputStream">`
|  | `32` |  | `/// the output stream where deflated output should be written.`
|  | `33` |  | `/// </param>`
|  | `34` |  | `/// <param name="deflater">`
|  | `35` |  | `/// the underlying deflater.`
|  | `36` |  | `/// </param>`
|  | `37` |  | `public DeflaterOutputStream(Stream baseOutputStream, Deflater deflater)`
| 260 | `38` |  | `: this(baseOutputStream, deflater, 512)`
|  | `39` |  | `{`
| 260 | `40` |  | `}`
|  | `41` |  | ``
|  | `42` |  | `/// <summary>`
|  | `43` |  | `/// Creates a new DeflaterOutputStream with the given Deflater and`
|  | `44` |  | `/// buffer size.`
|  | `45` |  | `/// </summary>`
|  | `46` |  | `/// <param name="baseOutputStream">`
|  | `47` |  | `/// The output stream where deflated output is written.`
|  | `48` |  | `/// </param>`
|  | `49` |  | `/// <param name="deflater">`
|  | `50` |  | `/// The underlying deflater to use`
|  | `51` |  | `/// </param>`
|  | `52` |  | `/// <param name="bufferSize">`
|  | `53` |  | `/// The buffer size in bytes to use when deflating (minimum value 512)`
|  | `54` |  | `/// </param>`
|  | `55` |  | `/// <exception cref="ArgumentOutOfRangeException">`
|  | `56` |  | `/// bufsize is less than or equal to zero.`
|  | `57` |  | `/// </exception>`
|  | `58` |  | `/// <exception cref="ArgumentException">`
|  | `59` |  | `/// baseOutputStream does not support writing`
|  | `60` |  | `/// </exception>`
|  | `61` |  | `/// <exception cref="ArgumentNullException">`
|  | `62` |  | `/// deflater instance is null`
|  | `63` |  | `/// </exception>`
| 273 | `64` |  | `public DeflaterOutputStream(Stream baseOutputStream, Deflater deflater, int bufferSize)`
|  | `65` |  | `{`
| 273 | `66` |  | `if (baseOutputStream == null) {`
| 0 | `67` |  | `throw new ArgumentNullException(nameof(baseOutputStream));`
|  | `68` |  | `}`
|  | `69` |  | ``
| 273 | `70` |  | `if (baseOutputStream.CanWrite == false) {`
| 0 | `71` |  | `throw new ArgumentException("Must support writing", nameof(baseOutputStream));`
|  | `72` |  | `}`
|  | `73` |  | ``
| 273 | `74` |  | `if (deflater == null) {`
| 0 | `75` |  | `throw new ArgumentNullException(nameof(deflater));`
|  | `76` |  | `}`
|  | `77` |  | ``
| 273 | `78` |  | `if (bufferSize < 512) {`
| 0 | `79` |  | `throw new ArgumentOutOfRangeException(nameof(bufferSize));`
|  | `80` |  | `}`
|  | `81` |  | ``
| 273 | `82` |  | `baseOutputStream_ = baseOutputStream;`
| 273 | `83` |  | `buffer_ = new byte[bufferSize];`
| 273 | `84` |  | `deflater_ = deflater;`
| 273 | `85` |  | `}`
|  | `86` |  | `#endregion`
|  | `87` |  | ``
|  | `88` |  | `#region Public API`
|  | `89` |  | `/// <summary>`
|  | `90` |  | `/// Finishes the stream by calling finish() on the deflater.`
|  | `91` |  | `/// </summary>`
|  | `92` |  | `/// <exception cref="SharpZipBaseException">`
|  | `93` |  | `/// Not all input is deflated`
|  | `94` |  | `/// </exception>`
|  | `95` |  | `public virtual void Finish()`
|  | `96` |  | `{`
| 325 | `97` |  | `deflater_.Finish();`
| 1573 | `98` |  | `while (!deflater_.IsFinished) {`
| 1248 | `99` |  | `int len = deflater_.Deflate(buffer_, 0, buffer_.Length);`
| 1248 | `100` |  | `if (len <= 0) {`
|  | `101` |  | `break;`
|  | `102` |  | `}`
|  | `103` |  | ``
| 1248 | `104` |  | `if (cryptoTransform_ != null) {`
| 196 | `105` |  | `EncryptBlock(buffer_, 0, len);`
|  | `106` |  | `}`
|  | `107` |  | ``
| 1248 | `108` |  | `baseOutputStream_.Write(buffer_, 0, len);`
|  | `109` |  | `}`
|  | `110` |  | ``
| 325 | `111` |  | `if (!deflater_.IsFinished) {`
| 0 | `112` |  | `throw new SharpZipBaseException("Can't deflate all input?");`
|  | `113` |  | `}`
|  | `114` |  | ``
| 325 | `115` |  | `baseOutputStream_.Flush();`
|  | `116` |  | ``
| 325 | `117` |  | `if (cryptoTransform_ != null) {`
| 31 | `118` |  | `if (cryptoTransform_ is ZipAESTransform) {`
| 0 | `119` |  | `AESAuthCode = ((ZipAESTransform)cryptoTransform_).GetAuthCode();`
|  | `120` |  | `}`
| 31 | `121` |  | `cryptoTransform_.Dispose();`
| 31 | `122` |  | `cryptoTransform_ = null;`
|  | `123` |  | `}`
| 325 | `124` |  | `}`
|  | `125` |  | ``
|  | `126` |  | `/// <summary>`
|  | `127` |  | `/// Get/set flag indicating ownership of the underlying stream.`
|  | `128` |  | `/// When the flag is true <see cref="Close"></see> will close the underlying stream also.`
|  | `129` |  | `/// </summary>`
|  | `130` |  | `public bool IsStreamOwner {`
| 11 | `131` |  | `get { return isStreamOwner_; }`
| 386 | `132` |  | `set { isStreamOwner_ = value; }`
|  | `133` |  | `}`
|  | `134` |  | ``
|  | `135` |  | `/// <summary>`
|  | `136` |  | `/// Allows client to determine if an entry can be patched after its added`
|  | `137` |  | `/// </summary>`
|  | `138` |  | `public bool CanPatchEntries {`
|  | `139` |  | `get {`
| 141 | `140` |  | `return baseOutputStream_.CanSeek;`
|  | `141` |  | `}`
|  | `142` |  | `}`
|  | `143` |  | ``
|  | `144` |  | `#endregion`
|  | `145` |  | ``
|  | `146` |  | `#region Encryption`
|  | `147` |  | ``
|  | `148` |  | `string password;`
|  | `149` |  | ``
|  | `150` |  | `ICryptoTransform cryptoTransform_;`
|  | `151` |  | ``
|  | `152` |  | `/// <summary>`
|  | `153` |  | `/// Returns the 10 byte AUTH CODE to be appended immediately following the AES data stream.`
|  | `154` |  | `/// </summary>`
|  | `155` |  | `protected byte[] AESAuthCode;`
|  | `156` |  | ``
|  | `157` |  | `/// <summary>`
|  | `158` |  | `/// Get/set the password used for encryption.`
|  | `159` |  | `/// </summary>`
|  | `160` |  | `/// <remarks>When set to null or if the password is empty no encryption is performed</remarks>`
|  | `161` |  | `public string Password {`
|  | `162` |  | `get {`
| 361 | `163` |  | `return password;`
|  | `164` |  | `}`
|  | `165` |  | `set {`
| 69 | `166` |  | `if ((value != null) && (value.Length == 0)) {`
| 0 | `167` |  | `password = null;`
| 0 | `168` |  | `} else {`
| 69 | `169` |  | `password = value;`
|  | `170` |  | `}`
| 69 | `171` |  | `}`
|  | `172` |  | `}`
|  | `173` |  | ``
|  | `174` |  | `/// <summary>`
|  | `175` |  | `/// Encrypt a block of data`
|  | `176` |  | `/// </summary>`
|  | `177` |  | `/// <param name="buffer">`
|  | `178` |  | `/// Data to encrypt. NOTE the original contents of the buffer are lost`
|  | `179` |  | `/// </param>`
|  | `180` |  | `/// <param name="offset">`
|  | `181` |  | `/// Offset of first byte in buffer to encrypt`
|  | `182` |  | `/// </param>`
|  | `183` |  | `/// <param name="length">`
|  | `184` |  | `/// Number of bytes in buffer to encrypt`
|  | `185` |  | `/// </param>`
|  | `186` |  | `protected void EncryptBlock(byte[] buffer, int offset, int length)`
|  | `187` |  | `{`
| 2305 | `188` |  | `cryptoTransform_.TransformBlock(buffer, 0, length, buffer, 0);`
| 2305 | `189` |  | `}`
|  | `190` |  | ``
|  | `191` |  | `/// <summary>`
|  | `192` |  | `/// Initializes encryption keys based on given <paramref name="password"/>.`
|  | `193` |  | `/// </summary>`
|  | `194` |  | `/// <param name="password">The password.</param>`
|  | `195` |  | `protected void InitializePassword(string password)`
|  | `196` |  | `{`
| 33 | `197` |  | `var pkManaged = new PkzipClassicManaged();`
| 33 | `198` |  | `byte[] key = PkzipClassic.GenerateKeys(ZipConstants.ConvertToArray(password));`
| 33 | `199` |  | `cryptoTransform_ = pkManaged.CreateEncryptor(key, null);`
| 33 | `200` |  | `}`
|  | `201` |  | ``
|  | `202` |  | `/// <summary>`
|  | `203` |  | `/// Initializes encryption keys based on given password.`
|  | `204` |  | `/// </summary>`
|  | `205` |  | `protected void InitializeAESPassword(ZipEntry entry, string rawPassword,`
|  | `206` |  | `out byte[] salt, out byte[] pwdVerifier)`
|  | `207` |  | `{`
| 0 | `208` |  | `salt = new byte[entry.AESSaltLen];`
|  | `209` |  | `// Salt needs to be cryptographically random, and unique per file`
| 0 | `210` |  | `if (_aesRnd == null)`
| 0 | `211` |  | `_aesRnd = new RNGCryptoServiceProvider();`
| 0 | `212` |  | `_aesRnd.GetBytes(salt);`
| 0 | `213` |  | `int blockSize = entry.AESKeySize / 8; // bits to bytes`
|  | `214` |  | ``
| 0 | `215` |  | `cryptoTransform_ = new ZipAESTransform(rawPassword, salt, blockSize, true);`
| 0 | `216` |  | `pwdVerifier = ((ZipAESTransform)cryptoTransform_).PwdVerifier;`
| 0 | `217` |  | `}`
|  | `218` |  | ``
|  | `219` |  | `#endregion`
|  | `220` |  | ``
|  | `221` |  | `#region Deflation Support`
|  | `222` |  | `/// <summary>`
|  | `223` |  | `/// Deflates everything in the input buffers. This will call`
|  | `224` |  | `/// <code>def.deflate()</code> until all bytes from the input buffers`
|  | `225` |  | `/// are processed.`
|  | `226` |  | `/// </summary>`
|  | `227` |  | `protected void Deflate()`
|  | `228` |  | `{`
| 11749 | `229` |  | `while (!deflater_.IsNeedingInput) {`
| 11469 | `230` |  | `int deflateCount = deflater_.Deflate(buffer_, 0, buffer_.Length);`
|  | `231` |  | ``
| 11469 | `232` |  | `if (deflateCount <= 0) {`
|  | `233` |  | `break;`
|  | `234` |  | `}`
| 7240 | `235` |  | `if (cryptoTransform_ != null) {`
| 1977 | `236` |  | `EncryptBlock(buffer_, 0, deflateCount);`
|  | `237` |  | `}`
|  | `238` |  | ``
| 7240 | `239` |  | `baseOutputStream_.Write(buffer_, 0, deflateCount);`
|  | `240` |  | `}`
|  | `241` |  | ``
| 4509 | `242` |  | `if (!deflater_.IsNeedingInput) {`
| 0 | `243` |  | `throw new SharpZipBaseException("DeflaterOutputStream can't deflate all input?");`
|  | `244` |  | `}`
| 4509 | `245` |  | `}`
|  | `246` |  | `#endregion`
|  | `247` |  | ``
|  | `248` |  | `#region Stream Overrides`
|  | `249` |  | `/// <summary>`
|  | `250` |  | `/// Gets value indicating stream can be read from`
|  | `251` |  | `/// </summary>`
|  | `252` |  | `public override bool CanRead {`
|  | `253` |  | `get {`
| 0 | `254` |  | `return false;`
|  | `255` |  | `}`
|  | `256` |  | `}`
|  | `257` |  | ``
|  | `258` |  | `/// <summary>`
|  | `259` |  | `/// Gets a value indicating if seeking is supported for this stream`
|  | `260` |  | `/// This property always returns false`
|  | `261` |  | `/// </summary>`
|  | `262` |  | `public override bool CanSeek {`
|  | `263` |  | `get {`
| 2 | `264` |  | `return false;`
|  | `265` |  | `}`
|  | `266` |  | `}`
|  | `267` |  | ``
|  | `268` |  | `/// <summary>`
|  | `269` |  | `/// Get value indicating if this stream supports writing`
|  | `270` |  | `/// </summary>`
|  | `271` |  | `public override bool CanWrite {`
|  | `272` |  | `get {`
| 5 | `273` |  | `return baseOutputStream_.CanWrite;`
|  | `274` |  | `}`
|  | `275` |  | `}`
|  | `276` |  | ``
|  | `277` |  | `/// <summary>`
|  | `278` |  | `/// Get current length of stream`
|  | `279` |  | `/// </summary>`
|  | `280` |  | `public override long Length {`
|  | `281` |  | `get {`
| 0 | `282` |  | `return baseOutputStream_.Length;`
|  | `283` |  | `}`
|  | `284` |  | `}`
|  | `285` |  | ``
|  | `286` |  | `/// <summary>`
|  | `287` |  | `/// Gets the current position within the stream.`
|  | `288` |  | `/// </summary>`
|  | `289` |  | `/// <exception cref="NotSupportedException">Any attempt to set position</exception>`
|  | `290` |  | `public override long Position {`
|  | `291` |  | `get {`
| 0 | `292` |  | `return baseOutputStream_.Position;`
|  | `293` |  | `}`
|  | `294` |  | `set {`
| 0 | `295` |  | `throw new NotSupportedException("Position property not supported");`
|  | `296` |  | `}`
|  | `297` |  | `}`
|  | `298` |  | ``
|  | `299` |  | `/// <summary>`
|  | `300` |  | `/// Sets the current position of this stream to the given value. Not supported by this class!`
|  | `301` |  | `/// </summary>`
|  | `302` |  | `/// <param name="offset">The offset relative to the <paramref name="origin"/> to seek.</param>`
|  | `303` |  | `/// <param name="origin">The <see cref="SeekOrigin"/> to seek from.</param>`
|  | `304` |  | `/// <returns>The new position in the stream.</returns>`
|  | `305` |  | `/// <exception cref="NotSupportedException">Any access</exception>`
|  | `306` |  | `public override long Seek(long offset, SeekOrigin origin)`
|  | `307` |  | `{`
| 0 | `308` |  | `throw new NotSupportedException("DeflaterOutputStream Seek not supported");`
|  | `309` |  | `}`
|  | `310` |  | ``
|  | `311` |  | `/// <summary>`
|  | `312` |  | `/// Sets the length of this stream to the given value. Not supported by this class!`
|  | `313` |  | `/// </summary>`
|  | `314` |  | `/// <param name="value">The new stream length.</param>`
|  | `315` |  | `/// <exception cref="NotSupportedException">Any access</exception>`
|  | `316` |  | `public override void SetLength(long value)`
|  | `317` |  | `{`
| 0 | `318` |  | `throw new NotSupportedException("DeflaterOutputStream SetLength not supported");`
|  | `319` |  | `}`
|  | `320` |  | ``
|  | `321` |  | `/// <summary>`
|  | `322` |  | `/// Read a byte from stream advancing position by one`
|  | `323` |  | `/// </summary>`
|  | `324` |  | `/// <returns>The byte read cast to an int. THe value is -1 if at the end of the stream.</returns>`
|  | `325` |  | `/// <exception cref="NotSupportedException">Any access</exception>`
|  | `326` |  | `public override int ReadByte()`
|  | `327` |  | `{`
| 0 | `328` |  | `throw new NotSupportedException("DeflaterOutputStream ReadByte not supported");`
|  | `329` |  | `}`
|  | `330` |  | ``
|  | `331` |  | `/// <summary>`
|  | `332` |  | `/// Read a block of bytes from stream`
|  | `333` |  | `/// </summary>`
|  | `334` |  | `/// <param name="buffer">The buffer to store read data in.</param>`
|  | `335` |  | `/// <param name="offset">The offset to start storing at.</param>`
|  | `336` |  | `/// <param name="count">The maximum number of bytes to read.</param>`
|  | `337` |  | `/// <returns>The actual number of bytes read. Zero if end of stream is detected.</returns>`
|  | `338` |  | `/// <exception cref="NotSupportedException">Any access</exception>`
|  | `339` |  | `public override int Read(byte[] buffer, int offset, int count)`
|  | `340` |  | `{`
| 0 | `341` |  | `throw new NotSupportedException("DeflaterOutputStream Read not supported");`
|  | `342` |  | `}`
|  | `343` |  | ``
|  | `344` |  | `/// <summary>`
|  | `345` |  | `/// Asynchronous reads are not supported a NotSupportedException is always thrown`
|  | `346` |  | `/// </summary>`
|  | `347` |  | `/// <param name="buffer">The buffer to read into.</param>`
|  | `348` |  | `/// <param name="offset">The offset to start storing data at.</param>`
|  | `349` |  | `/// <param name="count">The number of bytes to read</param>`
|  | `350` |  | `/// <param name="callback">The async callback to use.</param>`
|  | `351` |  | `/// <param name="state">The state to use.</param>`
|  | `352` |  | `/// <returns>Returns an <see cref="IAsyncResult"/></returns>`
|  | `353` |  | `/// <exception cref="NotSupportedException">Any access</exception>`
|  | `354` |  | `public override IAsyncResult BeginRead(byte[] buffer, int offset, int count, AsyncCallback callback, object state)`
|  | `355` |  | `{`
| 0 | `356` |  | `throw new NotSupportedException("DeflaterOutputStream BeginRead not currently supported");`
|  | `357` |  | `}`
|  | `358` |  | ``
|  | `359` |  | `/// <summary>`
|  | `360` |  | `/// Asynchronous writes arent supported, a NotSupportedException is always thrown`
|  | `361` |  | `/// </summary>`
|  | `362` |  | `/// <param name="buffer">The buffer to write.</param>`
|  | `363` |  | `/// <param name="offset">The offset to begin writing at.</param>`
|  | `364` |  | `/// <param name="count">The number of bytes to write.</param>`
|  | `365` |  | `/// <param name="callback">The <see cref="AsyncCallback"/> to use.</param>`
|  | `366` |  | `/// <param name="state">The state object.</param>`
|  | `367` |  | `/// <returns>Returns an IAsyncResult.</returns>`
|  | `368` |  | `/// <exception cref="NotSupportedException">Any access</exception>`
|  | `369` |  | `public override IAsyncResult BeginWrite(byte[] buffer, int offset, int count, AsyncCallback callback, object state)`
|  | `370` |  | `{`
| 0 | `371` |  | `throw new NotSupportedException("BeginWrite is not supported");`
|  | `372` |  | `}`
|  | `373` |  | ``
|  | `374` |  | `/// <summary>`
|  | `375` |  | `/// Flushes the stream by calling <see cref="DeflaterOutputStream.Flush">Flush</see> on the deflater and then`
|  | `376` |  | `/// on the underlying stream. This ensures that all bytes are flushed.`
|  | `377` |  | `/// </summary>`
|  | `378` |  | `public override void Flush()`
|  | `379` |  | `{`
| 30 | `380` |  | `deflater_.Flush();`
| 30 | `381` |  | `Deflate();`
| 30 | `382` |  | `baseOutputStream_.Flush();`
| 30 | `383` |  | `}`
|  | `384` |  | ``
|  | `385` |  | `/// <summary>`
|  | `386` |  | `/// Calls <see cref="Finish"/> and closes the underlying`
|  | `387` |  | `/// stream when <see cref="IsStreamOwner"></see> is true.`
|  | `388` |  | `/// </summary>`
|  | `389` |  | `public override void Close()`
|  | `390` |  | `{`
| 267 | `391` |  | `if (!isClosed_) {`
| 259 | `392` |  | `isClosed_ = true;`
|  | `393` |  | ``
|  | `394` |  | `try {`
| 259 | `395` |  | `Finish();`
| 258 | `396` |  | `if (cryptoTransform_ != null) {`
| 1 | `397` |  | `GetAuthCodeIfAES();`
| 1 | `398` |  | `cryptoTransform_.Dispose();`
| 1 | `399` |  | `cryptoTransform_ = null;`
|  | `400` |  | `}`
| 258 | `401` |  | `} finally {`
| 259 | `402` |  | `if (isStreamOwner_) {`
| 68 | `403` |  | `baseOutputStream_.Close();`
|  | `404` |  | `}`
| 259 | `405` |  | `}`
|  | `406` |  | `}`
| 266 | `407` |  | `}`
|  | `408` |  | ``
|  | `409` |  | `private void GetAuthCodeIfAES()`
|  | `410` |  | `{`
| 1 | `411` |  | `if (cryptoTransform_ is ZipAESTransform) {`
| 0 | `412` |  | `AESAuthCode = ((ZipAESTransform)cryptoTransform_).GetAuthCode();`
|  | `413` |  | `}`
| 1 | `414` |  | `}`
|  | `415` |  | ``
|  | `416` |  | `/// <summary>`
|  | `417` |  | `/// Writes a single byte to the compressed output stream.`
|  | `418` |  | `/// </summary>`
|  | `419` |  | `/// <param name="value">`
|  | `420` |  | `/// The byte value.`
|  | `421` |  | `/// </param>`
|  | `422` |  | `public override void WriteByte(byte value)`
|  | `423` |  | `{`
| 24 | `424` |  | `byte[] b = new byte[1];`
| 24 | `425` |  | `b[0] = value;`
| 24 | `426` |  | `Write(b, 0, 1);`
| 22 | `427` |  | `}`
|  | `428` |  | ``
|  | `429` |  | `/// <summary>`
|  | `430` |  | `/// Writes bytes from an array to the compressed stream.`
|  | `431` |  | `/// </summary>`
|  | `432` |  | `/// <param name="buffer">`
|  | `433` |  | `/// The byte array`
|  | `434` |  | `/// </param>`
|  | `435` |  | `/// <param name="offset">`
|  | `436` |  | `/// The offset into the byte array where to start.`
|  | `437` |  | `/// </param>`
|  | `438` |  | `/// <param name="count">`
|  | `439` |  | `/// The number of bytes to write.`
|  | `440` |  | `/// </param>`
|  | `441` |  | `public override void Write(byte[] buffer, int offset, int count)`
|  | `442` |  | `{`
| 4479 | `443` |  | `deflater_.SetInput(buffer, offset, count);`
| 4479 | `444` |  | `Deflate();`
| 4479 | `445` |  | `}`
|  | `446` |  | `#endregion`
|  | `447` |  | ``
|  | `448` |  | `#region Instance Fields`
|  | `449` |  | `/// <summary>`
|  | `450` |  | `/// This buffer is used temporarily to retrieve the bytes from the`
|  | `451` |  | `/// deflater and write them to the underlying output stream.`
|  | `452` |  | `/// </summary>`
|  | `453` |  | `byte[] buffer_;`
|  | `454` |  | ``
|  | `455` |  | `/// <summary>`
|  | `456` |  | `/// The deflater which is used to deflate the stream.`
|  | `457` |  | `/// </summary>`
|  | `458` |  | `protected Deflater deflater_;`
|  | `459` |  | ``
|  | `460` |  | `/// <summary>`
|  | `461` |  | `/// Base stream the deflater depends on.`
|  | `462` |  | `/// </summary>`
|  | `463` |  | `protected Stream baseOutputStream_;`
|  | `464` |  | ``
|  | `465` |  | `bool isClosed_;`
|  | `466` |  | ``
| 273 | `467` |  | `bool isStreamOwner_ = true;`
|  | `468` |  | `#endregion`
|  | `469` |  | ``
|  | `470` |  | `#region Static Fields`
|  | `471` |  | ``
|  | `472` |  | `// Static to help ensure that multiple files within a zip will get different random salt`
|  | `473` |  | `private static RNGCryptoServiceProvider _aesRnd;`
|  | `474` |  | `#endregion`
|  | `475` |  | `}`
|  | `476` |  | `}`