public X509Certificate2Collection Find(X509FindType findType, object findValue, bool validOnly)
{
SafeHGlobalHandle invalidHandle = SafeHGlobalHandle.InvalidHandle;
System.IdentityModel.SafeCertContextHandle pPrevCertContext = System.IdentityModel.SafeCertContextHandle.InvalidHandle;
X509Certificate2Collection certificates = new X509Certificate2Collection();
SafeHGlobalHandle handle3 = SafeHGlobalHandle.InvalidHandle;
try
{
uint num;
string str;
byte[] buffer;
System.IdentityModel.CAPI.CRYPTOAPI_BLOB cryptoapi_blob;
switch (findType)
{
case X509FindType.FindByThumbprint:
buffer = findValue as byte[];
if (buffer == null)
{
str = findValue as string;
if (str == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(System.IdentityModel.SR.GetString("X509FindValueMismatchMulti", new object[] { findType, typeof(string), typeof(byte[]), findValue.GetType() })));
}
goto Label_011A;
}
goto Label_0123;
case X509FindType.FindBySubjectName:
str = findValue as string;
if (str == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(System.IdentityModel.SR.GetString("X509FindValueMismatch", new object[] { findType, typeof(string), findValue.GetType() })));
}
break;
case X509FindType.FindBySubjectDistinguishedName:
if (!(findValue is string))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(System.IdentityModel.SR.GetString("X509FindValueMismatch", new object[] { findType, typeof(string), findValue.GetType() })));
}
goto Label_01C4;
case X509FindType.FindByIssuerName:
str = findValue as string;
if (str == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(System.IdentityModel.SR.GetString("X509FindValueMismatch", new object[] { findType, typeof(string), findValue.GetType() })));
}
goto Label_021D;
case X509FindType.FindByIssuerDistinguishedName:
if (!(findValue is string))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(System.IdentityModel.SR.GetString("X509FindValueMismatch", new object[] { findType, typeof(string), findValue.GetType() })));
}
goto Label_027E;
case X509FindType.FindBySerialNumber:
buffer = findValue as byte[];
if (buffer == null)
{
str = findValue as string;
if (str == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(System.IdentityModel.SR.GetString("X509FindValueMismatchMulti", new object[] { findType, typeof(string), typeof(byte[]), findValue.GetType() })));
}
goto Label_02F4;
}
goto Label_033C;
case X509FindType.FindBySubjectKeyIdentifier:
buffer = findValue as byte[];
if (buffer == null)
{
str = findValue as string;
if (str == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(System.IdentityModel.SR.GetString("X509FindValueMismatchMulti", new object[] { findType, typeof(string), typeof(byte[]), findValue.GetType() })));
}
buffer = System.IdentityModel.SecurityUtils.DecodeHexString(str);
}
findValue = buffer;
num = 0;
goto Label_03F4;
default:
{
X509Store store = new X509Store(this.certStoreHandle.DangerousGetHandle());
try
{
return(store.Certificates.Find(findType, findValue, validOnly));
}
finally
{
store.Close();
}
goto Label_03F4;
}
}
num = 0x80007;
invalidHandle = SafeHGlobalHandle.AllocHGlobal(str);
goto Label_03F4;
Label_011A:
buffer = System.IdentityModel.SecurityUtils.DecodeHexString(str);
Label_0123:
cryptoapi_blob = new System.IdentityModel.CAPI.CRYPTOAPI_BLOB();
handle3 = SafeHGlobalHandle.AllocHGlobal(buffer);
cryptoapi_blob.pbData = handle3.DangerousGetHandle();
cryptoapi_blob.cbData = (uint)buffer.Length;
num = 0x10000;
Marshal.StructureToPtr(cryptoapi_blob, SafeHGlobalHandle.AllocHGlobal(System.IdentityModel.CAPI.CRYPTOAPI_BLOB.Size).DangerousGetHandle(), false);
goto Label_03F4;
Label_01C4:
num = 0;
goto Label_03F4;
Label_021D:
num = 0x80004;
invalidHandle = SafeHGlobalHandle.AllocHGlobal(str);
goto Label_03F4;
Label_027E:
num = 0;
goto Label_03F4;
Label_02F4:
buffer = System.IdentityModel.SecurityUtils.DecodeHexString(str);
int length = buffer.Length;
int index = 0;
for (int i = length - 1; index < (buffer.Length / 2); i--)
{
byte num5 = buffer[index];
buffer[index] = buffer[i];
buffer[i] = num5;
index++;
}
Label_033C:
findValue = buffer;
num = 0;
Label_03F4:
pPrevCertContext = System.IdentityModel.CAPI.CertFindCertificateInStore(this.certStoreHandle, 0x10001, 0, num, invalidHandle, pPrevCertContext);
while ((pPrevCertContext != null) && !pPrevCertContext.IsInvalid)
{
X509Certificate2 certificate;
if (this.TryGetMatchingX509Certificate(pPrevCertContext.DangerousGetHandle(), findType, num, findValue, validOnly, out certificate))
{
certificates.Add(certificate);
}
RuntimeHelpers.PrepareConstrainedRegions();
try
{
continue;
}
finally
{
GC.SuppressFinalize(pPrevCertContext);
pPrevCertContext = System.IdentityModel.CAPI.CertFindCertificateInStore(this.certStoreHandle, 0x10001, 0, num, invalidHandle, pPrevCertContext);
}
}
}
finally
{
if (pPrevCertContext != null)
{
pPrevCertContext.Close();
}
invalidHandle.Close();
handle3.Close();
}
return(certificates);
}
