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);
}
private bool method_2()
{
byte[] buffer = this.method_12().method_9();
int num = this.method_12().method_4();
byte[] buffer2 = smethod_0(this.method_4(buffer, this.method_12().method_11(), byte_2), num, 0);
byte[] buffer3 = this.class803_0.method_0(this.method_4(buffer, this.method_12().method_10(), byte_1));
return(Class85.smethod_1(buffer2, buffer3));
}
private void method_4(BinaryReader A_0)
{
int num = 0;
if (base.method_1() != 0)
{
A_0.ReadBytes(0x10);
if (A_0.ReadInt32() == 2)
{
EsUriFlags flags = (EsUriFlags)A_0.ReadInt32();
if ((flags & EsUriFlags.HasDisplayName) != 0)
{
Class1029.smethod_7(A_0);
}
if ((flags & EsUriFlags.HasFrameName) != 0)
{
this.string_2 = Class1029.smethod_7(A_0);
}
if ((flags & EsUriFlags.HasMoniker) != 0)
{
if ((flags & EsUriFlags.MonikerSavedAsStr) == 0)
{
byte[] buffer = A_0.ReadBytes(0x10);
if (!Class85.smethod_1(buffer, byte_1))
{
if (!Class85.smethod_1(buffer, byte_2))
{
Guid guid = new Guid(buffer);
throw new InvalidOperationException(string.Format(BookmarkStart.b("猥䘧䄩䈫䄭䜯就ᐳ帵䄷䨹夻䰽ⰿ⭁⩃ⵅ桇ⱉ⍋㱍㵏㍑⁓硕硗㍛そय़ॡţᑥ䡧㥫❭㑯剱ᵳյ塷Ź䱻ͽ깿", num), guid.ToString()));
}
this.string_0 = smethod_1(A_0);
}
else
{
this.string_0 = smethod_0(A_0);
}
}
else
{
this.string_0 = Class1029.smethod_7(A_0);
}
}
if ((flags & EsUriFlags.HasLocationStr) != 0)
{
this.string_1 = Class1029.smethod_7(A_0);
}
if ((flags & EsUriFlags.HasGUID) != 0)
{
A_0.ReadBytes(0x10);
}
if ((flags & EsUriFlags.HasCreationTime) != 0)
{
A_0.ReadBytes(8);
}
}
}
}
private void method_4(BinaryReader A_0)
{
int num = 14;
if (base.method_1() != 0)
{
A_0.ReadBytes(0x10);
if (A_0.ReadInt32() == 2)
{
EscherUriFlags flags = (EscherUriFlags)A_0.ReadInt32();
if ((flags & EscherUriFlags.HasDisplayName) != 0)
{
Class813.smethod_7(A_0);
}
if ((flags & EscherUriFlags.HasFrameName) != 0)
{
this.string_2 = Class813.smethod_7(A_0);
}
if ((flags & EscherUriFlags.HasMoniker) != 0)
{
if ((flags & EscherUriFlags.MonikerSavedAsStr) == 0)
{
byte[] buffer = A_0.ReadBytes(0x10);
if (!Class85.smethod_1(buffer, byte_1))
{
if (!Class85.smethod_1(buffer, byte_2))
{
Guid guid = new Guid(buffer);
throw new InvalidOperationException(string.Format(BookmarkStart.b("愳堵匷吹医䤽⸿扁ⱃ㽅㡇⽉㹋≍㥏㱑㽓癕㹗㕙⹛㍝şᙡ䩣䙥╧թɫݭ᭯ٳ噵㽷⽹㕻㩽ꁿꚅ몉ꂍ", num), guid.ToString()));
}
this.string_0 = smethod_1(A_0);
}
else
{
this.string_0 = smethod_0(A_0);
}
}
else
{
this.string_0 = Class813.smethod_7(A_0);
}
}
if ((flags & EscherUriFlags.HasLocationStr) != 0)
{
this.string_1 = Class813.smethod_7(A_0);
}
if ((flags & EscherUriFlags.HasGUID) != 0)
{
A_0.ReadBytes(0x10);
}
if ((flags & EscherUriFlags.HasCreationTime) != 0)
{
A_0.ReadBytes(8);
}
}
}
}
private bool method_3(Stream A_0)
{
byte[] buffer = this.method_12().method_9();
byte[] buffer2 = this.method_11().method_9();
int num = this.method_11().method_4();
int num2 = this.method_11().method_2();
byte[] buffer3 = this.method_4(buffer, this.method_12().method_12(), byte_3);
byte[] buffer4 = this.method_9(buffer2, byte_4, num2, 0);
KeyedHashAlgorithm algorithm = KeyedHashAlgorithm.Create(BookmarkStart.b("挪怬渮爰", 5) + this.method_11().method_8());
algorithm.Key = this.method_5(buffer3, buffer4, this.method_11().method_12(), num, 0);
byte[] buffer5 = algorithm.ComputeHash(A_0);
byte[] buffer6 = this.method_9(buffer2, byte_5, num2, 0);
byte[] buffer7 = this.method_5(buffer3, buffer6, this.method_11().method_13(), num, 0);
return(Class85.smethod_1(buffer5, buffer7));
}
internal bool method_1(Class428 A_0)
{
return(Class85.smethod_1(this.byte_0, A_0.byte_0));
}