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<?xml version="1.0" encoding="utf-8"?>
<Type Name="DSASignatureDeformatter" FullName="System.Security.Cryptography.DSASignatureDeformatter">
<TypeSignature Maintainer="auto" Language="C#" Value="public class DSASignatureDeformatter : System.Security.Cryptography.AsymmetricSignatureDeformatter" />
<TypeSignature Language="ILAsm" Value=".class public auto ansi beforefieldinit DSASignatureDeformatter extends System.Security.Cryptography.AsymmetricSignatureDeformatter" />
<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>
<AssemblyVersion>4.0.0.0</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.AsymmetricSignatureDeformatter</BaseTypeName>
</Base>
<Interfaces />
<Attributes>
<Attribute>
<AttributeName>System.Runtime.InteropServices.ComVisible(true)</AttributeName>
</Attribute>
</Attributes>
<Docs>
<remarks>You are encouraged to use this class for verifying all DSA signatures to ensure code portability with all DSA implementation. Some DSA implementations, like <see cref="T:System.Security.Cryptography.DSACryptoServiceProvider" />, provides some helper methods but these methods will limit your code to use this specific class.</remarks>
<summary>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Verifies a Digital Signature Algorithm (<see cref="T:System.Security.Cryptography.DSA" />) PKCS#1 v1.5 signature.</para>
</summary>
</Docs>
<Members>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public DSASignatureDeformatter ();" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor() cil managed" />
<MemberType>Constructor</MemberType>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue />
<Parameters />
<Docs>
<remarks>To be added</remarks>
<summary>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Initializes a new instance of the <see cref="T:System.Security.Cryptography.DSASignatureDeformatter" /> class.</para>
</summary>
</Docs>
</Member>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public DSASignatureDeformatter (System.Security.Cryptography.AsymmetricAlgorithm key);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor(class System.Security.Cryptography.AsymmetricAlgorithm key) cil managed" />
<MemberType>Constructor</MemberType>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue />
<Parameters>
<Parameter Name="key" Type="System.Security.Cryptography.AsymmetricAlgorithm" />
</Parameters>
<Docs>
<remarks>Using this constructor is equivalent to the following code:
<example><code lang="C#">
DSASignatureDeformatter d = new DSASignatureDeformatter ();
d.SetKey (dsa);
</code></example></remarks>
<summary>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Initializes a new instance of the <see cref="T:System.Security.Cryptography.DSASignatureDeformatter" /> class with the specified key.</para>
</summary>
<param name="key">
<attribution license="cc4" from="Microsoft" modified="false" />The instance of Digital Signature Algorithm (<see cref="T:System.Security.Cryptography.DSA" />) that holds the key. </param>
</Docs>
</Member>
<Member MemberName="SetHashAlgorithm">
<MemberSignature Language="C#" Value="public override void SetHashAlgorithm (string strName);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig virtual instance void SetHashAlgorithm(string strName) cil managed" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="strName" Type="System.String" />
</Parameters>
<Docs>
<remarks>
<para>
This class only support the <see cref="T:System.Security.Cryptography.SHA1" /> hash algorithm. Any name that resolves in another hash algorithm (or anything else) will throw a <see cref="T:System.Security.Cryptography.CryptographicUnexpectedOperationException" />. This is a restriction of the DSA algorithm (FIPS 186) not of the class library.
</para>
</remarks>
<summary>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Specifies the hash algorithm for the Digital Signature Algorithm (<see cref="T:System.Security.Cryptography.DSA" />) signature deformatter.</para>
</summary>
<param name="strName">
<attribution license="cc4" from="Microsoft" modified="false" />The name of the hash algorithm to use for the signature deformatter. </param>
</Docs>
</Member>
<Member MemberName="SetKey">
<MemberSignature Language="C#" Value="public override void SetKey (System.Security.Cryptography.AsymmetricAlgorithm key);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig virtual instance void SetKey(class System.Security.Cryptography.AsymmetricAlgorithm key) cil managed" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="key" Type="System.Security.Cryptography.AsymmetricAlgorithm" />
</Parameters>
<Docs>
<remarks>To be added</remarks>
<summary>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Specifies the key to be used for the Digital Signature Algorithm (<see cref="T:System.Security.Cryptography.DSA" />) signature deformatter.</para>
</summary>
<param name="key">
<attribution license="cc4" from="Microsoft" modified="false" />The instance of <see cref="T:System.Security.Cryptography.DSA" /> that holds the key. </param>
</Docs>
</Member>
<Member MemberName="VerifySignature">
<MemberSignature Language="C#" Value="public override bool VerifySignature (byte[] rgbHash, byte[] rgbSignature);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig virtual instance bool VerifySignature(unsigned int8[] rgbHash, unsigned int8[] rgbSignature) cil managed" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Boolean</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="rgbHash" Type="System.Byte[]" />
<Parameter Name="rgbSignature" Type="System.Byte[]" />
</Parameters>
<Docs>
<remarks>
<para>
A <see cref="T:System.Security.Cryptography.CryptographicUnexpectedOperationException" /> will be thrown if a <see cref="T:System.Security.Cryptography.DSA" /> object instance hasn't been set in the constructor or by <see cref="M:System.Security.Cryptography.DSASignatureFormatter.SetKey" />.
</para>
<para>
The hash byte array should always have 20 bytes as only the SHA-1 algorithm is supported.
</para>
<para>
The size of the signature, 40 bytes, isn't affected by the length of the public key (512 - 1024 bits).
</para>
</remarks>
<summary>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Verifies the Digital Signature Algorithm (<see cref="T:System.Security.Cryptography.DSA" />) signature on the data.</para>
</summary>
<returns>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>true if the signature is valid for the data; otherwise, false.</para>
</returns>
<param name="rgbHash">
<attribution license="cc4" from="Microsoft" modified="false" />The data signed with <paramref name="rgbSignature" />. </param>
<param name="rgbSignature">
<attribution license="cc4" from="Microsoft" modified="false" />The signature to be verified for <paramref name="rgbHash" />. </param>
</Docs>
</Member>
</Members>
</Type>
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