private void method_1(Stream A_0, Interface61 A_1, string A_2)
{
SHA1 sha = new SHA1Managed();
using (Stream1 stream = A_1.imethod_2(BookmarkStart.b("欭帯儱䘳伵䠷丹唻儽⸿ୁ⩃⁅❇", 8)))
{
Class62 class2 = new Class62();
class2.method_1(0x40004);
class2.method_3(0x40);
Class187 class3 = class2.method_4().method_0();
this.method_3(class3);
class3.method_15(this.method_10(class3.method_0()));
Class190 class4 = class2.method_4().method_4().method_0();
this.method_4(class4);
class4.method_17(this.method_10(class4.method_2()));
byte[] buffer = this.method_10(class4.method_2());
byte[] buffer2 = new byte[] { 0xfe, 0xa7, 210, 0x76, 0x3b, 0x4b, 0x9e, 0x79 };
byte[] buffer3 = this.class299_0.method_9(A_2, class4.method_16(), buffer2, class4.method_6() >> 3, class4.method_0());
class4.method_19(this.method_11(buffer, class4.method_4(), buffer3, class4.method_16()));
byte[] buffer4 = new byte[] { 0xd7, 170, 15, 0x6d, 0x30, 0x61, 0x34, 0x4e };
buffer3 = this.class299_0.method_9(A_2, class4.method_16(), buffer4, class4.method_6() >> 3, class4.method_0());
class4.method_21(this.method_11(sha.ComputeHash(buffer), class4.method_4(), buffer3, class4.method_16()));
byte[] buffer5 = this.method_10(class3.method_4() / 8);
byte[] buffer6 = new byte[] { 20, 110, 11, 0xe7, 0xab, 0xac, 0xd0, 0xd6 };
buffer3 = this.class299_0.method_9(A_2, class4.method_16(), buffer6, class4.method_6() >> 3, class4.method_0());
class4.method_23(this.method_11(buffer5, class4.method_4(), buffer3, class4.method_16()));
Class188 class5 = class2.method_4().method_2();
byte[] buffer7 = new byte[] { 0x5f, 0xb2, 0xad, 1, 12, 0xb9, 0xe1, 0xf6 };
byte[] buffer8 = sha.ComputeHash(this.class299_0.method_12(class3.method_14(), buffer7));
buffer8 = this.class299_0.method_13(buffer8, class3.method_2(), 0);
byte[] buffer9 = this.method_10(class3.method_6());
class5.method_1(this.method_11(buffer9, class3.method_2(), buffer5, buffer8));
byte[] buffer10 = this.method_2(A_0, A_1, class3, buffer5);
HMACSHA1 hmacsha = new HMACSHA1 {
Key = this.class299_0.method_13(buffer9, class3.method_6(), 0)
};
byte[] buffer11 = new byte[] { 160, 0x67, 0x7f, 2, 0xb2, 0x2c, 0x84, 0x33 };
byte[] buffer12 = sha.ComputeHash(this.class299_0.method_12(class3.method_14(), buffer11));
buffer12 = this.class299_0.method_13(buffer12, class3.method_2(), 0);
class5.method_3(this.method_11(hmacsha.ComputeHash(buffer10), class3.method_2(), buffer5, buffer12));
class2.method_5(stream);
}
}
internal bool method_3(string A_0)
{
Class187 class2 = this.class62_0.method_4().method_0();
Class190 class3 = this.class62_0.method_4().method_4().method_0();
bool flag = this.method_0();
byte[] buffer = new byte[] { 0xfe, 0xa7, 210, 0x76, 0x3b, 0x4b, 0x9e, 0x79 };
byte[] buffer2 = this.class299_0.method_8(A_0, class3.method_16(), buffer, class3.method_6() >> 3, class3.method_0(), flag);
byte[] buffer3 = this.method_5(class3.method_18(), class3.method_4(), buffer2, class3.method_16(), class3.method_2());
byte[] buffer4 = new byte[] { 0xd7, 170, 15, 0x6d, 0x30, 0x61, 0x34, 0x4e };
byte[] buffer5 = this.class299_0.method_8(A_0, class3.method_16(), buffer4, class3.method_6() >> 3, class3.method_0(), flag);
byte[] buffer6 = this.method_5(class3.method_20(), class3.method_4(), buffer5, class3.method_16(), class3.method_8());
HashAlgorithm algorithm = null;
if (flag)
{
algorithm = new SHA512Managed();
}
else
{
algorithm = new SHA1Managed();
}
byte[] buffer7 = algorithm.ComputeHash(buffer3);
bool flag2 = this.class299_0.method_15(buffer6, buffer7);
byte[] buffer8 = new byte[] { 20, 110, 11, 0xe7, 0xab, 0xac, 0xd0, 0xd6 };
byte[] buffer9 = this.class299_0.method_8(A_0, class3.method_16(), buffer8, class3.method_6() >> 3, class3.method_0(), flag);
this.byte_0 = this.method_5(class3.method_22(), class3.method_4(), buffer9, class3.method_16(), class2.method_4() / 8);
return(flag2);
}
private bool method_5()
{
switch (_int4)
{
case 0:
return(method_1());
case 1:
return(method_2());
case 2:
if (_bool0)
{
if (_bool1)
{
_int4 = 12;
return(false);
}
_class1870.method_4();
_int6 = 32;
_int4 = 11;
return(true);
}
else
{
var num = _class1870.method_0(3);
if (num < 0)
{
return(false);
}
_class1870.method_1(3);
if ((num & 1) != 0)
{
_bool0 = true;
}
switch (num >> 1)
{
case 0:
_class1870.method_4();
_int4 = 3;
break;
case 1:
_class1970 = Class197.Class1970;
_class1971 = Class197.Class1971;
_int4 = 7;
break;
case 2:
_class1980 = new Class198();
_int4 = 6;
break;
default:
throw new SharpZipBaseException("Unknown block type " + num);
}
return(true);
}
break;
case 3:
if ((_int9 = _class1870.method_0(16)) < 0)
{
return(false);
}
_class1870.method_1(16);
_int4 = 4;
break;
case 4:
break;
case 5:
goto IL_1A4;
case 6:
if (!_class1980.method_0(_class1870))
{
return(false);
}
_class1970 = _class1980.method_1();
_class1971 = _class1980.method_2();
_int4 = 7;
goto IL_228;
case 7:
case 8:
case 9:
case 10:
goto IL_228;
case 11:
return(method_4());
case 12:
return(false);
default:
throw new SharpZipBaseException("Inflater.Decode unknown mode");
}
var num2 = _class1870.method_0(16);
if (num2 < 0)
{
return(false);
}
_class1870.method_1(16);
if (num2 != (_int9 ^ 65535))
{
throw new SharpZipBaseException("broken uncompressed block");
}
_int4 = 5;
IL_1A4:
var num3 = _class2030.method_3(_class1870, _int9);
_int9 -= num3;
if (_int9 == 0)
{
_int4 = 2;
return(true);
}
return(!_class1870.method_5());
IL_228:
return(method_3());
}