void Interface13.imethod_0(Stream A_0, Stream A_1, Stream A_2, string A_3)
{
A_0.Position = 8L;
BinaryReader reader = new BinaryReader(A_0);
Class1103 class2 = new Class1103(reader);
Class534 class3 = new Class534(reader, true);
smethod_0(class2);
Class803 class4 = new Class803();
ICryptoTransform transform = Class258.smethod_0(smethod_5(class2.int_1, class4, A_3, class3.byte_0));
smethod_1(transform, class3);
smethod_2(transform, A_1, A_2);
}
private static void smethod_0(Class1103 A_0)
{
int num = 10;
if (A_0.headerFlags_0 != (HeaderFlags.Aes | HeaderFlags.CryptoApi))
{
throw new InvalidOperationException(BookmarkStart.b("支就儳丵䠷弹弻䨽┿♁摃⍅♇⥉㹋㝍⁏♑㵓㥕㙗穙㩛㉝şաᝣ䡥", num));
}
if (((A_0.algorithmType_0 != AlgorithmType.Aes128) && (A_0.algorithmType_0 != AlgorithmType.Aes192)) && (A_0.algorithmType_0 != AlgorithmType.Aes256))
{
throw new InvalidOperationException(BookmarkStart.b("支就儳丵䠷弹弻䨽┿♁摃⍅♇⥉㹋㝍⁏♑㵓㥕㙗穙㵛㉝ݟൡᙣཥᱧɩū乭ᙱ婳", num));
}
if (A_0.algorithmIdHash_0 != AlgorithmIdHash.Sha1)
{
throw new InvalidOperationException(BookmarkStart.b("支就儳丵䠷弹弻䨽┿♁摃⍅♇⥉㹋㝍⁏♑㵓㥕㙗穙㵛㉝ݟൡᙣཥᱧɩū乭ᡯ፱ݳṵ塷፹偽", num));
}
}
