public unsafe static void EncryptMessage(
ref SafeCtxtHandle context,
ref SecBufferDescEx message,
uint MessageSeqNo,
void *pfQOP)
{
try
{
message.Pin();
int error = Secur32Dll.EncryptMessage(
ref context.Handle,
pfQOP,
ref message.SecBufferDesc,
MessageSeqNo);
if (error != 0)
{
throw new SspiException(error, @"EncryptMessage");
}
}
finally
{
message.Free();
}
}
public unsafe static SecurityStatus SafeVerifySignature(
SafeCtxtHandle context,
ref SecBufferDescEx message,
int sequence)
{
try
{
message.Pin();
int qop;
var error = Secur32Dll.VerifySignature(
ref context.Handle,
ref message.SecBufferDesc,
sequence,
out qop);
return(Convert(error));
}
catch
{
return(SecurityStatus.SEC_E_UNKNOW_ERROR);
}
finally
{
message.Free();
}
}
public unsafe static SecurityStatus SafeDecryptMessage(
ref SafeCtxtHandle context,
ref SecBufferDescEx message,
uint MessageSeqNo,
void *pfQOP)
{
try
{
message.Pin();
int error = Secur32Dll.DecryptMessage(
ref context.Handle,
ref message.SecBufferDesc,
MessageSeqNo,
pfQOP);
return(Convert(error));
}
catch
{
return(SecurityStatus.SEC_E_UNKNOW_ERROR);
}
finally
{
message.Free();
}
}
public unsafe static SecurityStatus SafeAcceptSecurityContext(ref SafeCredHandle credential, ref SafeCtxtHandle context, ref SecBufferDescEx input, int contextReq, TargetDataRep targetDataRep, ref SafeCtxtHandle newContext, ref SecBufferDescEx output, out int contextAttr, out long timeStamp)
{
SecurityStatus result;
try
{
input.Pin();
output.Pin();
try
{
fixed(IntPtr *ptr = (IntPtr *)(&context.Handle))
{
int error = Secur32Dll.AcceptSecurityContext(ref credential.Handle, context.IsInvalid ? null : ((void *)ptr), ref input.SecBufferDesc, contextReq, (int)targetDataRep, ref newContext.Handle, ref output.SecBufferDesc, out contextAttr, out timeStamp);
result = Sspi.Convert(error);
}
}
finally
{
IntPtr *ptr = null;
}
}
catch
{
contextAttr = 0;
timeStamp = 0L;
result = (SecurityStatus)4294967295u;
}
finally
{
input.Free();
output.Free();
}
return(result);
}
public static unsafe SecurityStatus SafeAcceptSecurityContext(
ref SafeCredHandle credential,
ref SafeCtxtHandle context,
ref SecBufferDescEx input,
int contextReq,
TargetDataRep targetDataRep,
ref SafeCtxtHandle newContext,
ref SecBufferDescEx output,
out int contextAttr,
out long timeStamp)
{
try
{
input.Pin();
output.Pin();
fixed(void *fixedContext = &context.Handle)
{
int error = Secur32Dll.AcceptSecurityContext(
ref credential.Handle,
(context.IsInvalid) ? null : fixedContext,
ref input.SecBufferDesc,
contextReq,
(int)targetDataRep,
ref newContext.Handle,
ref output.SecBufferDesc,
out contextAttr,
out timeStamp);
return(Convert(error));
}
}
catch
{
contextAttr = 0;
timeStamp = 0;
return(SecurityStatus.SEC_E_UNKNOW_ERROR);
}
finally
{
input.Free();
output.Free();
}
}
public static SecurityStatus SafeMakeSignature(SafeCtxtHandle context, ref SecBufferDescEx message, int sequence)
{
SecurityStatus result;
try
{
message.Pin();
int error = Secur32Dll.MakeSignature(ref context.Handle, 0, ref message.SecBufferDesc, sequence);
result = Sspi.Convert(error);
}
catch
{
result = (SecurityStatus)4294967295u;
}
finally
{
message.Free();
}
return(result);
}
public unsafe static SecurityStatus SafeDecryptMessage(ref SafeCtxtHandle context, ref SecBufferDescEx message, uint MessageSeqNo, void *pfQOP)
{
SecurityStatus result;
try
{
message.Pin();
int error = Secur32Dll.DecryptMessage(ref context.Handle, ref message.SecBufferDesc, MessageSeqNo, pfQOP);
result = Sspi.Convert(error);
}
catch
{
result = (SecurityStatus)4294967295u;
}
finally
{
message.Free();
}
return(result);
}