C# Signature:

[DllImport("secur32.dll", SetLastError=true)]
static extern int AcceptSecurityContext(ref SECURITY_HANDLE phCredential,
                    IntPtr phContext,
                    ref SecBufferDesc pInput,
                    uint fContextReq,
                    uint TargetDataRep,
                    out SECURITY_HANDLE phNewContext,
                    out SecBufferDesc pOutput,
                    out uint pfContextAttr,    //managed ulong == 64 bits!!!
                    out SECURITY_INTEGER ptsTimeStamp);

VB Signature:

Declare Function AcceptSecurityContext Lib "secur32.dll" (TODO) As TODO

User-Defined Types:

None.

Notes:

None.

Tips & Tricks:

Please add some!

Sample Code:

Check InitializeSecurityContext for complete sample program

Alternative Managed API:

Do you know one? Please contribute it!