mirror of
https://github.com/sshnet/SSH.NET.git
synced 2026-09-10 17:25:51 +00:00
Fix Aes -ctr algorithms
Move hmac-md5 hashing algorithm into library
This commit is contained in:
@@ -441,6 +441,12 @@
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<Compile Include="..\Renci.SshNet\Security\Cryptography\Ciphers\TwofishCipher.cs">
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<Link>Security\Cryptography\Ciphers\TwofishCipher.cs</Link>
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</Compile>
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<Compile Include="..\Renci.SshNet\Security\Cryptography\HMAC.cs">
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<Link>Security\Cryptography\HMAC.cs</Link>
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</Compile>
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<Compile Include="..\Renci.SshNet\Security\Cryptography\MD5.cs">
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<Link>Security\Cryptography\MD5.cs</Link>
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</Compile>
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<Compile Include="..\Renci.SshNet\Security\Cryptography\Modes\CbcMode.cs">
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<Link>Security\Cryptography\Modes\CbcMode.cs</Link>
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</Compile>
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@@ -483,6 +489,9 @@
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<Compile Include="..\Renci.SshNet\Security\HMac.cs">
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<Link>Security\HMac.cs</Link>
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</Compile>
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<Compile Include="..\Renci.SshNet\Security\HMacMD5.cs">
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<Link>Security\HMacMD5.cs</Link>
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</Compile>
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<Compile Include="..\Renci.SshNet\Security\HMacSha1.cs">
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<Link>Security\HMacSha1.cs</Link>
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</Compile>
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@@ -199,9 +199,9 @@ namespace Renci.SshNet
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/// <param name="host">Connection host.</param>
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/// <param name="port">Connection port.</param>
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/// <param name="username">Connection username.</param>
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/// <exception cref="ArgumentNullException"><paramref name="password"/> is null.</exception>
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/// <exception cref="ArgumentException"><paramref name="host"/> is invalid, or <paramref name="username"/> is null or contains whitespace characters.</exception>
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/// <exception cref="ArgumentOutOfRangeException"><paramref name="port"/> is not within <see cref="IPEndPoint.MinPort"/> and <see cref="IPEndPoint.MaxPort"/>.</exception>
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/// <exception cref="ArgumentException"><paramref name="username"/> is null or empty.</exception>
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protected ConnectionInfo(string host, int port, string username)
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: this()
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{
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@@ -130,6 +130,12 @@
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<Compile Include="Security\CipherTripleDesCbc.cs">
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<SubType>Code</SubType>
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</Compile>
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<Compile Include="Security\Cryptography\HMAC.cs">
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<SubType>Code</SubType>
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</Compile>
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<Compile Include="Security\Cryptography\MD5.cs">
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<SubType>Code</SubType>
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</Compile>
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<Compile Include="Security\CryptoKey.cs">
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<SubType>Code</SubType>
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</Compile>
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@@ -157,9 +163,7 @@
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<Compile Include="Security\HMacMD5.cs">
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<SubType>Code</SubType>
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</Compile>
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<Compile Include="Security\HMacSha1.cs">
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<SubType>Code</SubType>
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</Compile>
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<Compile Include="Security\HMacSha1.cs" />
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<Compile Include="Security\KeyExchange.cs">
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<SubType>Code</SubType>
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</Compile>
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@@ -381,7 +385,6 @@
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<ItemGroup>
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<Content Include="Documentation\SshClient.shfbproj" />
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</ItemGroup>
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<ItemGroup />
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<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
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<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
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Other similar extension points exist, see Microsoft.Common.targets.
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@@ -22,7 +22,7 @@ namespace Renci.SshNet.Security
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{
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get
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{
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return this._keySize / 8;
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return this._keySize;
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}
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}
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@@ -0,0 +1,142 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Security.Cryptography;
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namespace Renci.SshNet.Security.Cryptography
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{
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/// <summary>
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/// Provides HMAC algorithm implementation.
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/// </summary>
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/// <typeparam name="T"></typeparam>
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public class HMAC<T> : KeyedHashAlgorithm where T : HashAlgorithm, new()
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{
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private HashAlgorithm _hash;
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private bool _isHashing;
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private byte[] _innerPadding;
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private byte[] _outerPadding;
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/// <summary>
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/// Gets the size of the block.
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/// </summary>
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/// <value>
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/// The size of the block.
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/// </value>
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protected int BlockSize
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{
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get
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{
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return this._hash.InputBlockSize;
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}
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}
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/// <summary>
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/// Rfc 2104.
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/// </summary>
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/// <param name="key">The key.</param>
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public HMAC(byte[] key)
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{
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// Create the hash algorithms.
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this._hash = new T();
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this.HashSizeValue = this._hash.HashSize;
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this.Key = key;
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this.Initialize();
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}
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/// <summary>
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///
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/// </summary>
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public override byte[] Key
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{
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get { return (byte[])KeyValue.Clone(); }
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set
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{
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if (this._isHashing)
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{
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throw new Exception("Cannot change key during hash operation");
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}
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if (value.Length > this.BlockSize)
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{
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this.KeyValue = this._hash.ComputeHash(value);
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// No need to call Initialize, ComputeHash does it automatically.
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}
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else
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{
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this.KeyValue = value.Clone() as byte[];
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}
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this._innerPadding = new byte[this.BlockSize];
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this._outerPadding = new byte[this.BlockSize];
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// Compute inner and outer padding.
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int i = 0;
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for (i = 0; i < 64; i++)
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{
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this._innerPadding[i] = 0x36;
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this._outerPadding[i] = 0x5C;
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}
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for (i = 0; i < this.KeyValue.Length; i++)
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{
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this._innerPadding[i] ^= this.KeyValue[i];
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this._outerPadding[i] ^= this.KeyValue[i];
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}
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}
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}
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/// <summary>
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///
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/// </summary>
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public override void Initialize()
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{
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this._isHashing = false;
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="rgb"></param>
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/// <param name="ib"></param>
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/// <param name="cb"></param>
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protected override void HashCore(byte[] rgb, int ib, int cb)
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{
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if (!this._isHashing)
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{
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this._hash.TransformBlock(this._innerPadding, 0, this.BlockSize, this._innerPadding, 0);
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this._isHashing = true;
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}
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this._hash.TransformBlock(rgb, ib, cb, rgb, ib);
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}
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/// <summary>
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///
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/// </summary>
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/// <returns></returns>
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protected override byte[] HashFinal()
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{
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if (!this._isHashing)
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{
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this._hash.TransformBlock(this._innerPadding, 0, 64, this._innerPadding, 0);
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this._isHashing = true;
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}
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// Finalize the original hash.
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this._hash.TransformFinalBlock(new byte[0], 0, 0);
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var hashValue = this._hash.Hash;
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// Write the outer array.
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this._hash.TransformBlock(this._outerPadding, 0, this.BlockSize, this._outerPadding, 0);
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// Write the inner hash and finalize the hash.
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this._hash.TransformFinalBlock(hashValue, 0, hashValue.Length);
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this._isHashing = false;
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return this._hash.Hash;
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}
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}
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}
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@@ -0,0 +1,383 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Security.Cryptography;
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namespace Renci.SshNet.Security.Cryptography
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{
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/// <summary>
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/// MD5 algorithm implementation
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/// </summary>
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public class MD5 : HashAlgorithm
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{
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private byte[] _buffer = new byte[4];
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private int _bufferOffset;
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private long _byteCount;
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private int H1, H2, H3, H4; // IV's
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private int[] _hashValue = new int[16];
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private int _offset;
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/// <summary>
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/// Gets the size, in bits, of the computed hash code.
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/// </summary>
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/// <returns>The size, in bits, of the computed hash code.</returns>
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public override int HashSize
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{
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get
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{
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return 128;
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}
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}
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/// <summary>
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/// Gets the input block size.
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/// </summary>
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/// <returns>The input block size.</returns>
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public override int InputBlockSize
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{
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get
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{
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return 64;
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}
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}
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/// <summary>
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/// Gets the output block size.
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/// </summary>
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/// <returns>The output block size.</returns>
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public override int OutputBlockSize
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{
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get
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{
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return 64;
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}
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}
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/// <summary>
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/// Gets a value indicating whether the current transform can be reused.
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/// </summary>
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/// <returns>Always true.</returns>
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public override bool CanReuseTransform
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{
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get
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{
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return true;
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}
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}
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/// <summary>
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/// Gets a value indicating whether multiple blocks can be transformed.
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/// </summary>
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/// <returns>true if multiple blocks can be transformed; otherwise, false.</returns>
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public override bool CanTransformMultipleBlocks
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{
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get
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{
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return true;
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}
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="MD5"/> class.
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/// </summary>
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public MD5()
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{
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this.Initialize();
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}
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/// <summary>
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/// Routes data written to the object into the hash algorithm for computing the hash.
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/// </summary>
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/// <param name="array">The input to compute the hash code for.</param>
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/// <param name="ibStart">The offset into the byte array from which to begin using data.</param>
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/// <param name="cbSize">The number of bytes in the byte array to use as data.</param>
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protected override void HashCore(byte[] array, int ibStart, int cbSize)
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{
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// Fill the current word
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while ((this._bufferOffset != 0) && (cbSize > 0))
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{
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this.Update(array[ibStart]);
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ibStart++;
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cbSize--;
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}
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// Process whole words.
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while (cbSize > this._buffer.Length)
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{
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this.ProcessWord(array, ibStart);
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ibStart += this._buffer.Length;
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cbSize -= this._buffer.Length;
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this._byteCount += this._buffer.Length;
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}
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// Load in the remainder.
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while (cbSize > 0)
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{
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this.Update(array[ibStart]);
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ibStart++;
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cbSize--;
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}
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}
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/// <summary>
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/// Finalizes the hash computation after the last data is processed by the cryptographic stream object.
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/// </summary>
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/// <returns>
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/// The computed hash code.
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/// </returns>
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protected override byte[] HashFinal()
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{
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long bitLength = (this._byteCount << 3);
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// Add the pad bytes.
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this.Update((byte)128);
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while (this._bufferOffset != 0)
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this.Update((byte)0);
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if (this._offset > 14)
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{
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this.ProcessBlock();
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}
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this._hashValue[14] = (int)(bitLength & 0xffffffff);
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this._hashValue[15] = (int)((ulong)bitLength >> 32);
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this.ProcessBlock();
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var output = new byte[16];
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this.UnpackWord(H1, output, 0);
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this.UnpackWord(H2, output, 0 + 4);
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this.UnpackWord(H3, output, 0 + 8);
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this.UnpackWord(H4, output, 0 + 12);
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this.Initialize();
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return output;
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}
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/// <summary>
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/// Initializes an implementation of the <see cref="T:System.Security.Cryptography.HashAlgorithm"/> class.
|
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/// </summary>
|
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public override void Initialize()
|
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{
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this._byteCount = 0;
|
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this._bufferOffset = 0;
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Array.Clear(this._buffer, 0, this._buffer.Length);
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H1 = unchecked((int)0x67452301);
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H2 = unchecked((int)0xefcdab89);
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H3 = unchecked((int)0x98badcfe);
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H4 = unchecked((int)0x10325476);
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|
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this._offset = 0;
|
||||
|
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for (int i = 0; i != this._hashValue.Length; i++)
|
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{
|
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this._hashValue[i] = 0;
|
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}
|
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}
|
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|
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private void Update(byte input)
|
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{
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this._buffer[this._bufferOffset++] = input;
|
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|
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if (this._bufferOffset == this._buffer.Length)
|
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{
|
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this.ProcessWord(this._buffer, 0);
|
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this._bufferOffset = 0;
|
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}
|
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|
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this._byteCount++;
|
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}
|
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|
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private void ProcessWord(byte[] input, int inOff)
|
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{
|
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this._hashValue[this._offset++] = (input[inOff] & 0xff) | ((input[inOff + 1] & 0xff) << 8)
|
||||
| ((input[inOff + 2] & 0xff) << 16) | ((input[inOff + 3] & 0xff) << 24);
|
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|
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if (this._offset == 16)
|
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{
|
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ProcessBlock();
|
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}
|
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}
|
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|
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private void UnpackWord(int word, byte[] outBytes, int outOff)
|
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{
|
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outBytes[outOff] = (byte)word;
|
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outBytes[outOff + 1] = (byte)((uint)word >> 8);
|
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outBytes[outOff + 2] = (byte)((uint)word >> 16);
|
||||
outBytes[outOff + 3] = (byte)((uint)word >> 24);
|
||||
}
|
||||
|
||||
//
|
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// round 1 left rotates
|
||||
//
|
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private static readonly int S11 = 7;
|
||||
private static readonly int S12 = 12;
|
||||
private static readonly int S13 = 17;
|
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private static readonly int S14 = 22;
|
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|
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//
|
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// round 2 left rotates
|
||||
//
|
||||
private static readonly int S21 = 5;
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||||
private static readonly int S22 = 9;
|
||||
private static readonly int S23 = 14;
|
||||
private static readonly int S24 = 20;
|
||||
|
||||
//
|
||||
// round 3 left rotates
|
||||
//
|
||||
private static readonly int S31 = 4;
|
||||
private static readonly int S32 = 11;
|
||||
private static readonly int S33 = 16;
|
||||
private static readonly int S34 = 23;
|
||||
|
||||
//
|
||||
// round 4 left rotates
|
||||
//
|
||||
private static readonly int S41 = 6;
|
||||
private static readonly int S42 = 10;
|
||||
private static readonly int S43 = 15;
|
||||
private static readonly int S44 = 21;
|
||||
|
||||
/*
|
||||
* rotate int x left n bits.
|
||||
*/
|
||||
private int RotateLeft(int x, int n)
|
||||
{
|
||||
return (x << n) | (int)((uint)x >> (32 - n));
|
||||
}
|
||||
|
||||
/*
|
||||
* F, G, H and I are the basic MD5 functions.
|
||||
*/
|
||||
private int F(int u, int v, int w)
|
||||
{
|
||||
return (u & v) | (~u & w);
|
||||
}
|
||||
|
||||
private int G(int u, int v, int w)
|
||||
{
|
||||
return (u & w) | (v & ~w);
|
||||
}
|
||||
|
||||
private int H(int u, int v, int w)
|
||||
{
|
||||
return u ^ v ^ w;
|
||||
}
|
||||
|
||||
private int K(int u, int v, int w)
|
||||
{
|
||||
return v ^ (u | ~w);
|
||||
}
|
||||
|
||||
private void ProcessBlock()
|
||||
{
|
||||
int a = H1;
|
||||
int b = H2;
|
||||
int c = H3;
|
||||
int d = H4;
|
||||
|
||||
//
|
||||
// Round 1 - F cycle, 16 times.
|
||||
//
|
||||
a = RotateLeft((a + F(b, c, d) + this._hashValue[0] + unchecked((int)0xd76aa478)), S11) + b;
|
||||
d = RotateLeft((d + F(a, b, c) + this._hashValue[1] + unchecked((int)0xe8c7b756)), S12) + a;
|
||||
c = RotateLeft((c + F(d, a, b) + this._hashValue[2] + unchecked((int)0x242070db)), S13) + d;
|
||||
b = RotateLeft((b + F(c, d, a) + this._hashValue[3] + unchecked((int)0xc1bdceee)), S14) + c;
|
||||
a = RotateLeft((a + F(b, c, d) + this._hashValue[4] + unchecked((int)0xf57c0faf)), S11) + b;
|
||||
d = RotateLeft((d + F(a, b, c) + this._hashValue[5] + unchecked((int)0x4787c62a)), S12) + a;
|
||||
c = RotateLeft((c + F(d, a, b) + this._hashValue[6] + unchecked((int)0xa8304613)), S13) + d;
|
||||
b = RotateLeft((b + F(c, d, a) + this._hashValue[7] + unchecked((int)0xfd469501)), S14) + c;
|
||||
a = RotateLeft((a + F(b, c, d) + this._hashValue[8] + unchecked((int)0x698098d8)), S11) + b;
|
||||
d = RotateLeft((d + F(a, b, c) + this._hashValue[9] + unchecked((int)0x8b44f7af)), S12) + a;
|
||||
c = RotateLeft((c + F(d, a, b) + this._hashValue[10] + unchecked((int)0xffff5bb1)), S13) + d;
|
||||
b = RotateLeft((b + F(c, d, a) + this._hashValue[11] + unchecked((int)0x895cd7be)), S14) + c;
|
||||
a = RotateLeft((a + F(b, c, d) + this._hashValue[12] + unchecked((int)0x6b901122)), S11) + b;
|
||||
d = RotateLeft((d + F(a, b, c) + this._hashValue[13] + unchecked((int)0xfd987193)), S12) + a;
|
||||
c = RotateLeft((c + F(d, a, b) + this._hashValue[14] + unchecked((int)0xa679438e)), S13) + d;
|
||||
b = RotateLeft((b + F(c, d, a) + this._hashValue[15] + unchecked((int)0x49b40821)), S14) + c;
|
||||
|
||||
//
|
||||
// Round 2 - G cycle, 16 times.
|
||||
//
|
||||
a = RotateLeft((a + G(b, c, d) + this._hashValue[1] + unchecked((int)0xf61e2562)), S21) + b;
|
||||
d = RotateLeft((d + G(a, b, c) + this._hashValue[6] + unchecked((int)0xc040b340)), S22) + a;
|
||||
c = RotateLeft((c + G(d, a, b) + this._hashValue[11] + unchecked((int)0x265e5a51)), S23) + d;
|
||||
b = RotateLeft((b + G(c, d, a) + this._hashValue[0] + unchecked((int)0xe9b6c7aa)), S24) + c;
|
||||
a = RotateLeft((a + G(b, c, d) + this._hashValue[5] + unchecked((int)0xd62f105d)), S21) + b;
|
||||
d = RotateLeft((d + G(a, b, c) + this._hashValue[10] + unchecked((int)0x02441453)), S22) + a;
|
||||
c = RotateLeft((c + G(d, a, b) + this._hashValue[15] + unchecked((int)0xd8a1e681)), S23) + d;
|
||||
b = RotateLeft((b + G(c, d, a) + this._hashValue[4] + unchecked((int)0xe7d3fbc8)), S24) + c;
|
||||
a = RotateLeft((a + G(b, c, d) + this._hashValue[9] + unchecked((int)0x21e1cde6)), S21) + b;
|
||||
d = RotateLeft((d + G(a, b, c) + this._hashValue[14] + unchecked((int)0xc33707d6)), S22) + a;
|
||||
c = RotateLeft((c + G(d, a, b) + this._hashValue[3] + unchecked((int)0xf4d50d87)), S23) + d;
|
||||
b = RotateLeft((b + G(c, d, a) + this._hashValue[8] + unchecked((int)0x455a14ed)), S24) + c;
|
||||
a = RotateLeft((a + G(b, c, d) + this._hashValue[13] + unchecked((int)0xa9e3e905)), S21) + b;
|
||||
d = RotateLeft((d + G(a, b, c) + this._hashValue[2] + unchecked((int)0xfcefa3f8)), S22) + a;
|
||||
c = RotateLeft((c + G(d, a, b) + this._hashValue[7] + unchecked((int)0x676f02d9)), S23) + d;
|
||||
b = RotateLeft((b + G(c, d, a) + this._hashValue[12] + unchecked((int)0x8d2a4c8a)), S24) + c;
|
||||
|
||||
//
|
||||
// Round 3 - H cycle, 16 times.
|
||||
//
|
||||
a = RotateLeft((a + H(b, c, d) + this._hashValue[5] + unchecked((int)0xfffa3942)), S31) + b;
|
||||
d = RotateLeft((d + H(a, b, c) + this._hashValue[8] + unchecked((int)0x8771f681)), S32) + a;
|
||||
c = RotateLeft((c + H(d, a, b) + this._hashValue[11] + unchecked((int)0x6d9d6122)), S33) + d;
|
||||
b = RotateLeft((b + H(c, d, a) + this._hashValue[14] + unchecked((int)0xfde5380c)), S34) + c;
|
||||
a = RotateLeft((a + H(b, c, d) + this._hashValue[1] + unchecked((int)0xa4beea44)), S31) + b;
|
||||
d = RotateLeft((d + H(a, b, c) + this._hashValue[4] + unchecked((int)0x4bdecfa9)), S32) + a;
|
||||
c = RotateLeft((c + H(d, a, b) + this._hashValue[7] + unchecked((int)0xf6bb4b60)), S33) + d;
|
||||
b = RotateLeft((b + H(c, d, a) + this._hashValue[10] + unchecked((int)0xbebfbc70)), S34) + c;
|
||||
a = RotateLeft((a + H(b, c, d) + this._hashValue[13] + unchecked((int)0x289b7ec6)), S31) + b;
|
||||
d = RotateLeft((d + H(a, b, c) + this._hashValue[0] + unchecked((int)0xeaa127fa)), S32) + a;
|
||||
c = RotateLeft((c + H(d, a, b) + this._hashValue[3] + unchecked((int)0xd4ef3085)), S33) + d;
|
||||
b = RotateLeft((b + H(c, d, a) + this._hashValue[6] + unchecked((int)0x04881d05)), S34) + c;
|
||||
a = RotateLeft((a + H(b, c, d) + this._hashValue[9] + unchecked((int)0xd9d4d039)), S31) + b;
|
||||
d = RotateLeft((d + H(a, b, c) + this._hashValue[12] + unchecked((int)0xe6db99e5)), S32) + a;
|
||||
c = RotateLeft((c + H(d, a, b) + this._hashValue[15] + unchecked((int)0x1fa27cf8)), S33) + d;
|
||||
b = RotateLeft((b + H(c, d, a) + this._hashValue[2] + unchecked((int)0xc4ac5665)), S34) + c;
|
||||
|
||||
//
|
||||
// Round 4 - K cycle, 16 times.
|
||||
//
|
||||
a = RotateLeft((a + K(b, c, d) + this._hashValue[0] + unchecked((int)0xf4292244)), S41) + b;
|
||||
d = RotateLeft((d + K(a, b, c) + this._hashValue[7] + unchecked((int)0x432aff97)), S42) + a;
|
||||
c = RotateLeft((c + K(d, a, b) + this._hashValue[14] + unchecked((int)0xab9423a7)), S43) + d;
|
||||
b = RotateLeft((b + K(c, d, a) + this._hashValue[5] + unchecked((int)0xfc93a039)), S44) + c;
|
||||
a = RotateLeft((a + K(b, c, d) + this._hashValue[12] + unchecked((int)0x655b59c3)), S41) + b;
|
||||
d = RotateLeft((d + K(a, b, c) + this._hashValue[3] + unchecked((int)0x8f0ccc92)), S42) + a;
|
||||
c = RotateLeft((c + K(d, a, b) + this._hashValue[10] + unchecked((int)0xffeff47d)), S43) + d;
|
||||
b = RotateLeft((b + K(c, d, a) + this._hashValue[1] + unchecked((int)0x85845dd1)), S44) + c;
|
||||
a = RotateLeft((a + K(b, c, d) + this._hashValue[8] + unchecked((int)0x6fa87e4f)), S41) + b;
|
||||
d = RotateLeft((d + K(a, b, c) + this._hashValue[15] + unchecked((int)0xfe2ce6e0)), S42) + a;
|
||||
c = RotateLeft((c + K(d, a, b) + this._hashValue[6] + unchecked((int)0xa3014314)), S43) + d;
|
||||
b = RotateLeft((b + K(c, d, a) + this._hashValue[13] + unchecked((int)0x4e0811a1)), S44) + c;
|
||||
a = RotateLeft((a + K(b, c, d) + this._hashValue[4] + unchecked((int)0xf7537e82)), S41) + b;
|
||||
d = RotateLeft((d + K(a, b, c) + this._hashValue[11] + unchecked((int)0xbd3af235)), S42) + a;
|
||||
c = RotateLeft((c + K(d, a, b) + this._hashValue[2] + unchecked((int)0x2ad7d2bb)), S43) + d;
|
||||
b = RotateLeft((b + K(c, d, a) + this._hashValue[9] + unchecked((int)0xeb86d391)), S44) + c;
|
||||
|
||||
H1 += a;
|
||||
H2 += b;
|
||||
H3 += c;
|
||||
H4 += d;
|
||||
|
||||
//
|
||||
// reset the offset and clean out the word buffer.
|
||||
//
|
||||
this._offset = 0;
|
||||
for (int i = 0; i != this._hashValue.Length; i++)
|
||||
{
|
||||
this._hashValue[i] = 0;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
@@ -12,7 +12,7 @@ namespace Renci.SshNet.Security
|
||||
/// <summary>
|
||||
/// Instance of initialized hash algorithm that being used
|
||||
/// </summary>
|
||||
protected abstract HMAC Hash { get; }
|
||||
protected abstract KeyedHashAlgorithm Hash { get; }
|
||||
|
||||
/// <summary>
|
||||
/// Initializes algorithm with specified key.
|
||||
|
||||
@@ -7,11 +7,14 @@ namespace Renci.SshNet.Security
|
||||
/// <summary>
|
||||
/// Represents MD5 implementation of hashing algorithm
|
||||
/// </summary>
|
||||
internal class HMacMD5 : HMac
|
||||
public class HMacMD5 : HMac
|
||||
{
|
||||
private HMACMD5 _hash;
|
||||
private KeyedHashAlgorithm _hash;
|
||||
|
||||
protected override HMAC Hash
|
||||
/// <summary>
|
||||
/// Instance of initialized hash algorithm that being used
|
||||
/// </summary>
|
||||
protected override KeyedHashAlgorithm Hash
|
||||
{
|
||||
get { return this._hash; }
|
||||
}
|
||||
@@ -30,9 +33,13 @@ namespace Renci.SshNet.Security
|
||||
/// <param name="key">The hash key.</param>
|
||||
public override void Init(IEnumerable<byte> key)
|
||||
{
|
||||
this._hash = new HMACMD5(key.Take(16).ToArray());
|
||||
this._hash = new Renci.SshNet.Security.Cryptography.HMAC<Renci.SshNet.Security.Cryptography.MD5>(key.Take(16).ToArray());
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Releases unmanaged and - optionally - managed resources
|
||||
/// </summary>
|
||||
/// <param name="disposing"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged ResourceMessages.</param>
|
||||
protected override void Dispose(bool disposing)
|
||||
{
|
||||
// Dispose managed ResourceMessages.
|
||||
|
||||
@@ -7,11 +7,14 @@ namespace Renci.SshNet.Security
|
||||
/// <summary>
|
||||
/// Represents SHA1 implementation of hashing algorithm
|
||||
/// </summary>
|
||||
internal class HMacSha1 : HMac
|
||||
public class HMacSha1 : HMac
|
||||
{
|
||||
private HMACSHA1 _hash;
|
||||
private KeyedHashAlgorithm _hash;
|
||||
|
||||
protected override HMAC Hash
|
||||
/// <summary>
|
||||
/// Instance of initialized hash algorithm that being used
|
||||
/// </summary>
|
||||
protected override KeyedHashAlgorithm Hash
|
||||
{
|
||||
get { return this._hash; }
|
||||
}
|
||||
@@ -33,6 +36,10 @@ namespace Renci.SshNet.Security
|
||||
this._hash = new HMACSHA1(key.Take(20).ToArray());
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Releases unmanaged and - optionally - managed resources
|
||||
/// </summary>
|
||||
/// <param name="disposing"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged ResourceMessages.</param>
|
||||
protected override void Dispose(bool disposing)
|
||||
{
|
||||
// Dispose managed ResourceMessages.
|
||||
|
||||
Reference in New Issue
Block a user