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<Type Name="DESCryptoServiceProvider" FullName="System.Security.Cryptography.DESCryptoServiceProvider">
<TypeSignature Maintainer="auto" Language="C#" Value="public sealed class DESCryptoServiceProvider : System.Security.Cryptography.DES" />
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyPublicKey>[00 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00]</AssemblyPublicKey>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ThreadSafetyStatement>Gtk# is thread aware, but not thread safe; See the <link location="node:gtk-sharp/programming/threads">Gtk# Thread Programming</link> for details.</ThreadSafetyStatement>
<Base>
<BaseTypeName>System.Security.Cryptography.DES</BaseTypeName>
</Base>
<Interfaces>
</Interfaces>
<Docs>
<summary>Managed implementation of the Data Encryption Standard (DES), a 64 bits (56 bits effective) symmetric cipher.</summary>
<remarks>In Mono this class is completely implemented in managed code.</remarks>
</Docs>
<Members>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public DESCryptoServiceProvider ();" />
<MemberType>Constructor</MemberType>
<ReturnValue />
<Parameters />
<Docs>
<summary>To be added</summary>
<remarks>
<para>
In general you should not use this constructor directly - unless you require a special service from the class that isn't available from the <see cref="T:System.Security.Cryptography.DES" /> base class. The prefered way to create a DES instance is to use <see cref="T:System.Security.Cryptography.DES" />.<see cref="M:System.Security.Cryptography.DES.Create" /> (). This will allow the system owners to replace the DES implementation if required (e.g. buggy implementation or hardware acceleration).
</para>
<example>
<code lang="C#">
// prefered
DES des = DES.Create ();
// not recommended
DESCryptoServiceProvider des = new DESCryptoServiceProvider ();
</code>
</example>
</remarks>
</Docs>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="CreateDecryptor">
<MemberSignature Language="C#" Value="public override System.Security.Cryptography.ICryptoTransform CreateDecryptor (byte[] rgbKey, byte[] rgbIV);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Security.Cryptography.ICryptoTransform</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="rgbKey" Type="System.Byte[]" />
<Parameter Name="rgbIV" Type="System.Byte[]" />
</Parameters>
<Docs>
<param name="rgbKey">Secret key to be used for the decryption transform.</param>
<param name="rgbIV">Initialization Vector (IV) to be used by the decryption transform.</param>
<summary>Creates a symmetric DES decryptor transform.</summary>
<returns>a <see cref="T:System.Security.Cryptography.ICryptoTransform" /> that is ready to be used to decrypt data.</returns>
<remarks>To be added</remarks>
</Docs>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="CreateEncryptor">
<MemberSignature Language="C#" Value="public override System.Security.Cryptography.ICryptoTransform CreateEncryptor (byte[] rgbKey, byte[] rgbIV);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Security.Cryptography.ICryptoTransform</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="rgbKey" Type="System.Byte[]" />
<Parameter Name="rgbIV" Type="System.Byte[]" />
</Parameters>
<Docs>
<param name="rgbKey">Secret key to be used for the encryption transform.</param>
<param name="rgbIV">Initialization Vector (IV) to be used by the encryption transform.</param>
<summary>Creates a symmetric DES encryptor transform. </summary>
<returns>a <see cref="T:System.Security.Cryptography.ICryptoTransform" /> that is ready to be used to encrypt data.</returns>
<remarks>To be added</remarks>
</Docs>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="GenerateIV">
<MemberSignature Language="C#" Value="public override void GenerateIV ();" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>Generate a new random Initialization Vector (IV) required for some block cipher modes.</summary>
<remarks>
<para>
The IV is used for most <see cref="P:System.Security.Cryptography.SymmetricAlgorithm.Mode" /> of operation (except <see cref="E:System.Security.Cryptography.CipherMode.ECB" />). The value can be made public and must be available when decrypting the data.
</para>
<para>
IMPORTANT: If you reuse the same DES object for multiple encryption using the same key it is CAPITAL that you use a different IV each time.
</para>
<example>
<code lang="C#">
DES des = DES.Create ();
des.Key = new byte[] { 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF };
foreach (string file in files) {
// each file MUST be encrypted with a different IV
des.GenerateIV ();
// encrypt the specified file with our DES key
EncryptFile (file, des);
}
</code>
</example>
</remarks>
</Docs>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="GenerateKey">
<MemberSignature Language="C#" Value="public override void GenerateKey ();" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>Generate a new 64 bits (56 bits effective) DES key.</summary>
<remarks>This method will never generate a weak or semi-weak key.</remarks>
</Docs>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
</Members>
<Attributes>
<Attribute>
<AttributeName>System.Runtime.InteropServices.ComVisible(true)</AttributeName>
</Attribute>
</Attributes>
</Type>
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