public void Decrypt(byte[] data, int count)
{
if (this.IsInitialized)
{
goto IL_2C;
}
IL_08:
int arg_12_0 = 768022319;
IL_0D:
switch ((arg_12_0 ^ 2044698726) % 4)
{
case 0:
IL_2C:
this.SARC4Decrypt.ProcessBuffer(data, count);
arg_12_0 = 558064304;
goto IL_0D;
case 1:
throw WoWCrypt.smethod_0(Module.smethod_37 <string>(1106446649u));
case 3:
goto IL_08;
}
}
public void Encrypt(byte[] data, int count)
{
if (this.IsInitialized)
{
goto IL_2C;
}
IL_08:
int arg_12_0 = 1459186387;
IL_0D:
switch ((arg_12_0 ^ 1059757101) % 4)
{
case 1:
IL_2C:
this.SARC4Encrypt.ProcessBuffer(data, count);
arg_12_0 = 848727185;
goto IL_0D;
case 2:
throw WoWCrypt.smethod_0(Module.smethod_36 <string>(1494787757u));
case 3:
goto IL_08;
}
}
static WoWCrypt()
{
// Note: this type is marked as 'beforefieldinit'.
byte[] expr_07 = new byte[16];
WoWCrypt.smethod_3(expr_07, fieldof(Framework.< PrivateImplementationDetails >.A5614CF8A256BD624776F8BBAC105E523496B2BF).FieldHandle);
WoWCrypt.ServerEncryptionKey = expr_07;
byte[] expr_1E = new byte[16];
WoWCrypt.smethod_3(expr_1E, fieldof(Framework.< PrivateImplementationDetails >.B64704505A6F7DA9DC7BB76B2684DEEF1ADFB915).FieldHandle);
WoWCrypt.ServerDecryptionKey = expr_1E;
}
public void Initialize(byte[] sessionKey, byte[] clientSeed, byte[] serverSeed)
{
this.IsInitialized = false;
if (this.IsInitialized)
{
goto IL_E2;
}
goto IL_11E;
uint arg_EC_0;
while (true)
{
IL_E7:
uint num;
switch ((num = (arg_EC_0 ^ 411909969u)) % 9u)
{
case 0u:
goto IL_E2;
case 1u:
{
byte[] array = new byte[1024];
arg_EC_0 = (num * 4112686248u ^ 3760825414u);
continue;
}
case 2u:
{
byte[] array2;
this.SARC4Encrypt.ProcessBuffer(array2, array2.Length);
arg_EC_0 = (num * 3888587318u ^ 4000620574u);
continue;
}
case 3u:
{
this.SARC4Decrypt = new SARC4();
HMACSHA1 hashAlgorithm_ = WoWCrypt.smethod_1(serverSeed);
HMACSHA1 hashAlgorithm_2 = WoWCrypt.smethod_1(clientSeed);
arg_EC_0 = (num * 2152563200u ^ 767503809u);
continue;
}
case 5u:
{
HMACSHA1 hashAlgorithm_2;
this.SARC4Encrypt.PrepareKey(WoWCrypt.smethod_2(hashAlgorithm_2, sessionKey));
HMACSHA1 hashAlgorithm_;
this.SARC4Decrypt.PrepareKey(WoWCrypt.smethod_2(hashAlgorithm_, sessionKey));
byte[] array2 = new byte[1024];
arg_EC_0 = (num * 2323342343u ^ 3057383575u);
continue;
}
case 6u:
{
byte[] array;
this.SARC4Decrypt.ProcessBuffer(array, array.Length);
this.IsInitialized = true;
arg_EC_0 = (num * 162284483u ^ 1051040720u);
continue;
}
case 7u:
goto IL_11E;
case 8u:
goto IL_130;
}
break;
}
return;
IL_130:
throw WoWCrypt.smethod_0(Module.smethod_35 <string>(3386492916u));
IL_E2:
arg_EC_0 = 1557707004u;
goto IL_E7;
IL_11E:
this.SARC4Encrypt = new SARC4();
arg_EC_0 = 564654211u;
goto IL_E7;
}
public void Initialize(byte[] sessionKey)
{
this.IsInitialized = false;
while (true)
{
IL_12E:
uint arg_101_0 = 2073740479u;
while (true)
{
uint num;
switch ((num = (arg_101_0 ^ 2103882194u)) % 8u)
{
case 0u:
{
byte[] array = new byte[1024];
byte[] array2 = new byte[1024];
this.SARC4Encrypt.ProcessBuffer(array, array.Length);
this.SARC4Decrypt.ProcessBuffer(array2, array2.Length);
this.IsInitialized = true;
arg_101_0 = (num * 483766584u ^ 1925911129u);
continue;
}
case 1u:
{
this.SARC4Decrypt = new SARC4();
HMACSHA1 hashAlgorithm_ = WoWCrypt.smethod_1(WoWCrypt.ServerDecryptionKey);
HMACSHA1 hashAlgorithm_2 = WoWCrypt.smethod_1(WoWCrypt.ServerEncryptionKey);
arg_101_0 = (num * 1947262690u ^ 1312804196u);
continue;
}
case 2u:
goto IL_12E;
case 4u:
{
HMACSHA1 hashAlgorithm_2;
this.SARC4Encrypt.PrepareKey(WoWCrypt.smethod_2(hashAlgorithm_2, sessionKey));
HMACSHA1 hashAlgorithm_;
this.SARC4Decrypt.PrepareKey(WoWCrypt.smethod_2(hashAlgorithm_, sessionKey));
arg_101_0 = (num * 1816278399u ^ 758351854u);
continue;
}
case 5u:
arg_101_0 = (((!this.IsInitialized) ? 3269098579u : 2838635962u) ^ num * 4003455326u);
continue;
case 6u:
goto IL_135;
case 7u:
this.SARC4Encrypt = new SARC4();
arg_101_0 = 946657131u;
continue;
}
goto Block_2;
}
}
Block_2:
return;
IL_135:
throw WoWCrypt.smethod_0(Module.smethod_35 <string>(3386492916u));
}