MalwareSourceCode/MSIL/Virus/Win32/E/Virus.Win32.Expiro.w-67b630ead60119692b9abbdfd8717c96904ef041127c2cae033c86b718eaa61e/Microsoft/InfoCards/SelfIssuedAuthRSAPKCS1SignatureDeformatter.cs

// Decompiled with JetBrains decompiler
// Type: Microsoft.InfoCards.SelfIssuedAuthRSAPKCS1SignatureDeformatter
// Assembly: infocard, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
// MVID: ADE0A079-11DB-4A46-8BDE-D2A592CA8DEA
// Assembly location: C:\Users\Administrateur\Downloads\Virusshare-00000-msil\Virus.Win32.Expiro.w-67b630ead60119692b9abbdfd8717c96904ef041127c2cae033c86b718eaa61e.exe

using System.Security.Cryptography;

namespace Microsoft.InfoCards
{
  internal class SelfIssuedAuthRSAPKCS1SignatureDeformatter : RSAPKCS1SignatureDeformatter
  {
    private RSA m_rsaKey;
    private string m_strOID;

    public SelfIssuedAuthRSAPKCS1SignatureDeformatter()
    {
    }

    public SelfIssuedAuthRSAPKCS1SignatureDeformatter(AsymmetricAlgorithm key)
      : base(key)
    {
      this.m_rsaKey = (RSA) key;
    }

    public override void SetKey(AsymmetricAlgorithm key)
    {
      base.SetKey(key);
      this.m_rsaKey = (RSA) key;
    }

    public override void SetHashAlgorithm(string strName)
    {
      base.SetHashAlgorithm(strName);
      this.m_strOID = CryptoConfig.MapNameToOID(strName);
    }

    public override bool VerifySignature(byte[] rgbHash, byte[] rgbSignature) => this.m_strOID != null && this.m_rsaKey != null && rgbHash != null && rgbSignature != null && this.m_rsaKey is SelfIssuedAuthRSACryptoProvider ? ((SelfIssuedAuthRSACryptoProvider) this.m_rsaKey).VerifyHash(rgbHash, this.m_strOID, rgbSignature) : base.VerifySignature(rgbHash, rgbSignature);
  }
}