internal static DigitalSignature smethod_0(BinaryReader A_0, byte[] A_1)
{
bool flag;
int num = 8;
DigitalSignature signature = new DigitalSignature(DigitalSignatureType.CryptoApi);
try
{
int num2 = A_0.ReadInt32();
int num3 = A_0.ReadInt32();
smethod_1(A_0);
uint num4 = A_0.ReadUInt32();
uint num5 = A_0.ReadUInt32();
long fileTime = num4;
fileTime = fileTime << 0x20;
fileTime |= num5;
signature.method_0(DateTime.FromFileTimeUtc(fileTime));
A_0.ReadInt32();
int count = A_0.ReadInt32();
int num8 = A_0.ReadInt32();
A_0.ReadInt32();
int num9 = A_0.ReadInt32();
int num10 = A_0.ReadInt32();
A_0.ReadInt32();
Class1029.smethod_5(A_0, (num2 + 1) * 2);
Class1029.smethod_5(A_0, (num3 + 1) * 2);
byte[] array = A_0.ReadBytes(count);
byte[] rawData = A_0.ReadBytes(num8);
A_0.ReadBytes(num9);
A_0.ReadBytes(num10);
if (num8 == 0)
{
throw new InvalidOperationException(BookmarkStart.b("稭堯圱䘳匵ᠷ匹伻ḽ⸿ⵁ摃╅ⵇ㡉㡋❍㙏㭑㝓㝕ⱗ㽙籛㭝ൟaţɥ౧ཀྵ乭ᙯᵱٳ噵婹ꪉﾋﲑ鍊낝", num));
}
X509Certificate2 certificate = new X509Certificate2(rawData);
signature.method_3(certificate);
RSAParameters parameters = ((RSACryptoServiceProvider)certificate.PublicKey.Key).ExportParameters(false);
Array.Reverse(array);
byte[] buffer3 = Class1078.smethod_0(array);
Rsa rsa = new Rsa(parameters.Modulus, parameters.Exponent);
byte[] sourceArray = Class1078.smethod_1(Class1078.smethod_2(rsa, buffer3), rsa.Modulus.method_0() >> 3);
byte[] destinationArray = new byte[0x10];
Array.Copy(sourceArray, sourceArray.Length - 0x10, destinationArray, 0, 0x10);
MD5 md = new MD5();
md.Update(A_1, A_1.Length);
md.Update(BitConverter.GetBytes(num5), 4);
md.Update(BitConverter.GetBytes(num4), 4);
md.FinalUpdate();
flag = Class85.smethod_1(destinationArray, md.Digest);
}
catch (Exception)
{
flag = false;
}
signature.method_2(flag);
return(signature);
}
internal Class1103(BinaryReader A_0)
{
int num = A_0.ReadInt32();
this.headerFlags_0 = (HeaderFlags)A_0.ReadInt32();
this.int_0 = A_0.ReadInt32();
this.algorithmType_0 = (AlgorithmType)A_0.ReadInt32();
this.algorithmIdHash_0 = (AlgorithmIdHash)A_0.ReadInt32();
this.int_1 = A_0.ReadInt32();
this.int_2 = A_0.ReadInt32();
A_0.ReadInt32();
A_0.ReadInt32();
this.string_0 = Class1029.smethod_5(A_0, num - 0x20);
}
internal override void vmethod_2(BinaryReader A_0)
{
this.string_0 = Class1029.smethod_5(A_0, base.method_1());
}