niko
82 lines
3.6 KiB
C#
82 lines
3.6 KiB
C#
using System;
|
|
using System.Runtime.InteropServices;
|
|
|
|
namespace System.Security.Cryptography
|
|
{
|
|
/// <summary>Creates a Digital Signature Algorithm (<see cref="T:System.Security.Cryptography.DSA" />) signature.</summary>
|
|
// Token: 0x020004FD RID: 1277
|
|
[ComVisible(true)]
|
|
public class DSASignatureFormatter : AsymmetricSignatureFormatter
|
|
{
|
|
/// <summary>Initializes a new instance of the <see cref="T:System.Security.Cryptography.DSASignatureFormatter" /> class.</summary>
|
|
// Token: 0x06002F36 RID: 12086 RVA: 0x00098168 File Offset: 0x00096368
|
|
public DSASignatureFormatter()
|
|
{
|
|
}
|
|
|
|
/// <summary>Initializes a new instance of the <see cref="T:System.Security.Cryptography.DSASignatureFormatter" /> class with the specified key.</summary>
|
|
/// <param name="key">The instance of the Digital Signature Algorithm (<see cref="T:System.Security.Cryptography.DSA" />) that holds the key. </param>
|
|
/// <exception cref="T:System.ArgumentNullException">
|
|
/// <paramref name="key" /> is null.</exception>
|
|
// Token: 0x06002F37 RID: 12087 RVA: 0x00098170 File Offset: 0x00096370
|
|
public DSASignatureFormatter(AsymmetricAlgorithm key)
|
|
{
|
|
this.SetKey(key);
|
|
}
|
|
|
|
/// <summary>Creates the Digital Signature Algorithm (<see cref="T:System.Security.Cryptography.DSA" />) PKCS #1 signature for the specified data.</summary>
|
|
/// <returns>The digital signature for the specified data.</returns>
|
|
/// <param name="rgbHash">The data to be signed. </param>
|
|
/// <exception cref="T:System.ArgumentNullException">
|
|
/// <paramref name="rgbHash" /> is null.</exception>
|
|
/// <exception cref="T:System.Security.Cryptography.CryptographicUnexpectedOperationException">The OID is null.-or-The DSA key is null.</exception>
|
|
// Token: 0x06002F38 RID: 12088 RVA: 0x00098180 File Offset: 0x00096380
|
|
public override byte[] CreateSignature(byte[] rgbHash)
|
|
{
|
|
if (this.dsa == null)
|
|
{
|
|
throw new CryptographicUnexpectedOperationException(Locale.GetText("missing key"));
|
|
}
|
|
return this.dsa.CreateSignature(rgbHash);
|
|
}
|
|
|
|
/// <summary>Specifies the hash algorithm for the Digital Signature Algorithm (<see cref="T:System.Security.Cryptography.DSA" />) signature formatter.</summary>
|
|
/// <param name="strName">The name of the hash algorithm to use for the signature formatter. </param>
|
|
/// <exception cref="T:System.Security.Cryptography.CryptographicUnexpectedOperationException">The <paramref name="strName" /> parameter does not map to the <see cref="T:System.Security.Cryptography.SHA1" /> hash algorithm. </exception>
|
|
// Token: 0x06002F39 RID: 12089 RVA: 0x000981AC File Offset: 0x000963AC
|
|
public override void SetHashAlgorithm(string strName)
|
|
{
|
|
if (strName == null)
|
|
{
|
|
throw new ArgumentNullException("strName");
|
|
}
|
|
try
|
|
{
|
|
SHA1.Create(strName);
|
|
}
|
|
catch (InvalidCastException)
|
|
{
|
|
throw new CryptographicUnexpectedOperationException(Locale.GetText("DSA requires SHA1"));
|
|
}
|
|
}
|
|
|
|
/// <summary>Specifies the key to be used for the Digital Signature Algorithm (<see cref="T:System.Security.Cryptography.DSA" />) signature formatter.</summary>
|
|
/// <param name="key">The instance of <see cref="T:System.Security.Cryptography.DSA" /> that holds the key. </param>
|
|
/// <exception cref="T:System.ArgumentNullException">
|
|
/// <paramref name="key" /> is null.</exception>
|
|
// Token: 0x06002F3A RID: 12090 RVA: 0x00098208 File Offset: 0x00096408
|
|
public override void SetKey(AsymmetricAlgorithm key)
|
|
{
|
|
if (key != null)
|
|
{
|
|
this.dsa = (DSA)key;
|
|
return;
|
|
}
|
|
throw new ArgumentNullException("key");
|
|
}
|
|
|
|
// Token: 0x04001347 RID: 4935
|
|
private DSA dsa;
|
|
}
|
|
}
|