| static private GetSecurityStatusPalFromInterop ( System.Net.Interop win32SecurityStatus, bool attachException = false ) : System.Net.SecurityStatusPal | ||
| win32SecurityStatus | System.Net.Interop | |
| attachException | bool | |
| 리턴 | System.Net.SecurityStatusPal | |
public static SecurityStatusPal DecryptMessage(SafeDeleteContext securityContext, byte[] buffer, ref int offset, ref int count)
{
// Decryption using SCHANNEL requires four buffers.
SecurityBuffer[] decspc = new SecurityBuffer[4];
decspc[0] = new SecurityBuffer(buffer, offset, count, SecurityBufferType.Data);
decspc[1] = new SecurityBuffer(null, SecurityBufferType.Empty);
decspc[2] = new SecurityBuffer(null, SecurityBufferType.Empty);
decspc[3] = new SecurityBuffer(null, SecurityBufferType.Empty);
Interop.SecurityStatus errorCode = (Interop.SecurityStatus)SSPIWrapper.DecryptMessage(
GlobalSSPI.SSPISecureChannel,
securityContext,
decspc,
0);
count = 0;
for (int i = 0; i < decspc.Length; i++)
{
// Successfully decoded data and placed it at the following position in the buffer,
if ((errorCode == Interop.SecurityStatus.OK && decspc[i].type == SecurityBufferType.Data)
// or we failed to decode the data, here is the encoded data.
|| (errorCode != Interop.SecurityStatus.OK && decspc[i].type == SecurityBufferType.Extra))
{
offset = decspc[i].offset;
count = decspc[i].size;
break;
}
}
return(SecurityStatusAdapterPal.GetSecurityStatusPalFromInterop(errorCode));
}
