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<?xml version="1.0" encoding="utf-8"?>
<Type Name="HMACSHA1" FullName="System.Security.Cryptography.HMACSHA1">
<TypeSignature Maintainer="auto" Language="C#" Value="public class HMACSHA1 : System.Security.Cryptography.HMAC" />
<TypeSignature Language="ILAsm" Value=".class public auto ansi beforefieldinit HMACSHA1 extends System.Security.Cryptography.HMAC" />
<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.HMAC</BaseTypeName>
</Base>
<Interfaces>
</Interfaces>
<Attributes>
<Attribute>
<AttributeName>System.Runtime.InteropServices.ComVisible(true)</AttributeName>
</Attribute>
</Attributes>
<Docs>
<remarks>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>
<see cref="T:System.Security.Cryptography.HMACSHA1" /> is a type of keyed hash algorithm that is constructed from the SHA1 hash function and used as an HMAC, or hash-based message authentication code. The HMAC process mixes a secret key with the message data, hashes the result with the hash function, mixes that hash value with the secret key again, and then applies the hash function a second time. The output hash is 160 bits in length.</para>
<para>An HMAC can be used to determine whether a message sent over an insecure channel has been tampered with, provided that the sender and receiver share a secret key. The sender computes the hash value for the original data and sends both the original data and hash value as a single message. The receiver recalculates the hash value on the received message and checks that the computed HMAC matches the transmitted HMAC.</para>
<para>Any change to the data or the hash value results in a mismatch, because knowledge of the secret key is required to change the message and reproduce the correct hash value. Therefore, if the original and computed hash values match, the message is authenticated.</para>
<para>The SHA-1 (Secure Hash Algorithm, also called SHS, Secure Hash Standard) is a cryptographic hash algorithm published by the United States Government. It produces a 160-bit hash value from an arbitrary length string.</para>
<para>
<see cref="T:System.Security.Cryptography.HMACSHA1" /> accepts keys of any size, and produces a hash sequence that is 160 bits in length.</para>
</remarks>
<summary>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Computes a Hash-based Message Authentication Code (HMAC) using the <see cref="T:System.Security.Cryptography.SHA1" /> hash function. </para>
</summary>
</Docs>
<Members>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public HMACSHA1 ();" />
<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>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>
<see cref="T:System.Security.Cryptography.HMACSHA1" /> is a type of keyed hash algorithm that is constructed from the SHA1 hash function and used as an HMAC, or hash-based message authentication code. The HMAC process mixes a secret key with the message data, hashes the result with the hash function, mixes that hash value with the secret key again, and then applies the hash function a second time. The output hash is 160 bits (20 bytes) in length.</para>
<para>This constructor uses a 64-byte, randomly generated key.</para>
</remarks>
<summary>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Initializes a new instance of the <see cref="T:System.Security.Cryptography.HMACSHA1" /> class with a randomly generated key.</para>
</summary>
</Docs>
</Member>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public HMACSHA1 (byte[] key);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor(unsigned int8[] 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.Byte[]" />
</Parameters>
<Docs>
<remarks>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>
<see cref="T:System.Security.Cryptography.HMACSHA1" /> is a type of keyed hash algorithm that is constructed from the SHA1 hash function and used as an HMAC, or hash-based message authentication code. The HMAC process mixes a secret key with the message data, hashes the result with the hash function, mixes that hash value with the secret key again, and then applies the hash function a second time. The output hash is 160 bits (20 bytes) in length.</para>
<block subset="none" type="note">
<para>This constructor creates an unmanaged instance of the algorithm by using the <see cref="T:System.Security.Cryptography.SHA1CryptoServiceProvider" /> class.</para>
</block>
</remarks>
<summary>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Initializes a new instance of the <see cref="T:System.Security.Cryptography.HMACSHA1" /> class with the specified key data.</para>
</summary>
<param name="key">
<attribution license="cc4" from="Microsoft" modified="false" />The secret key for <see cref="T:System.Security.Cryptography.HMACSHA1" /> encryption. The key can be any length, but if it is more than 64 bytes long it is hashed (using SHA-1) to derive a 64-byte key. Therefore, the recommended size of the secret key is 64 bytes. </param>
</Docs>
</Member>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public HMACSHA1 (byte[] key, bool useManagedSha1);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor(unsigned int8[] key, bool useManagedSha1) cil managed" />
<MemberType>Constructor</MemberType>
<AssemblyInfo>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Parameters>
<Parameter Name="key" Type="System.Byte[]" />
<Parameter Name="useManagedSha1" Type="System.Boolean" />
</Parameters>
<Docs>
<remarks>To be added.</remarks>
<since version=".NET 2.0" />
<summary>
<attribution license="cc4" from="Microsoft" modified="false" />
<para>Initializes a new instance of the <see cref="T:System.Security.Cryptography.HMACSHA1" /> class with the specified key data and a value that specifies whether to use the managed version of the SHA1 algorithm.</para>
</summary>
<param name="key">
<attribution license="cc4" from="Microsoft" modified="false" />The secret key for <see cref="T:System.Security.Cryptography.HMACSHA1" /> encryption. The key can be any length, but if it is more than 64 bytes long, it is hashed (using SHA-1) to derive a 64-byte key. Therefore, the recommended size of the secret key is 64 bytes.</param>
<param name="useManagedSha1">
<attribution license="cc4" from="Microsoft" modified="false" />true to use the managed implementation of the SHA1 algorithm (the <see cref="T:System.Security.Cryptography.SHA1Managed" /> class); false to use the unmanaged implementation (the <see cref="T:System.Security.Cryptography.SHA1CryptoServiceProvider" /> class). </param>
</Docs>
</Member>
<Member MemberName="Dispose">
<MemberSignature Language="C#" Value="protected override void Dispose (bool disposing);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="disposing" Type="System.Boolean" />
</Parameters>
<Docs>
<param name="disposing">To be added.</param>
<summary>To be added.</summary>
<remarks>To be added.</remarks>
</Docs>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="Finalize">
<MemberSignature Language="C#" Value="~HMACSHA1 ();" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>To be added.</summary>
<remarks>To be added.</remarks>
</Docs>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="HashCore">
<MemberSignature Language="C#" Value="protected override void HashCore (byte[] rgb, int ib, int cb);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="rgb" Type="System.Byte[]" />
<Parameter Name="ib" Type="System.Int32" />
<Parameter Name="cb" Type="System.Int32" />
</Parameters>
<Docs>
<param name="rgb">To be added.</param>
<param name="ib">To be added.</param>
<param name="cb">To be added.</param>
<summary>To be added.</summary>
<remarks>To be added.</remarks>
</Docs>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="HashFinal">
<MemberSignature Language="C#" Value="protected override byte[] HashFinal ();" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Byte[]</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>To be added.</summary>
<returns>To be added.</returns>
<remarks>To be added.</remarks>
</Docs>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="HashName">
<MemberSignature Language="C#" Value="public string HashName { set; get; }" />
<MemberType>Property</MemberType>
<ReturnValue>
<ReturnType>System.String</ReturnType>
</ReturnValue>
<Docs>
<summary>To be added.</summary>
<value>To be added.</value>
<remarks>To be added.</remarks>
</Docs>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="Initialize">
<MemberSignature Language="C#" Value="public override void Initialize ();" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>To be added.</summary>
<remarks>To be added.</remarks>
</Docs>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="Key">
<MemberSignature Language="C#" Value="public override byte[] Key { set; get; }" />
<MemberType>Property</MemberType>
<ReturnValue>
<ReturnType>System.Byte[]</ReturnType>
</ReturnValue>
<Docs>
<summary>To be added.</summary>
<value>To be added.</value>
<remarks>To be added.</remarks>
</Docs>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
</AssemblyInfo>
</Member>
</Members>
</Type>
|
