> For the complete documentation index, see [llms.txt](https://www.pinvoke.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.pinvoke.dev/secur32.md).

# SECUR32

- [LsaLookupAuthenticationPackage](https://www.pinvoke.dev/secur32/lsalookupauthenticationpackage.md)
- [LsaCallAuthenticationPackage](https://www.pinvoke.dev/secur32/lsacallauthenticationpackage.md)
- [LsaRegisterLogonProcess](https://www.pinvoke.dev/secur32/lsaregisterlogonprocess.md)
- [LsaDeregisterLogonProcess](https://www.pinvoke.dev/secur32/lsaderegisterlogonprocess.md)
- [LsaEnumerateLogonSessions](https://www.pinvoke.dev/secur32/lsaenumeratelogonsessions.md)
- [LsaGetLogonSessionData](https://www.pinvoke.dev/secur32/lsagetlogonsessiondata.md)
- [AcquireCredentialsHandleW](https://www.pinvoke.dev/secur32/acquirecredentialshandlew.md)
- [InitializeSecurityContextW](https://www.pinvoke.dev/secur32/initializesecuritycontextw.md)
- [DeleteSecurityContext](https://www.pinvoke.dev/secur32/deletesecuritycontext.md)
- [LsaConnectUntrusted](https://www.pinvoke.dev/secur32/lsaconnectuntrusted.md)
- [LsaFreeReturnBuffer](https://www.pinvoke.dev/secur32/lsafreereturnbuffer.md)
- [AcquireCredentialsHandleA](https://www.pinvoke.dev/secur32/acquirecredentialshandlea.md)
- [InitializeSecurityContextA](https://www.pinvoke.dev/secur32/initializesecuritycontexta.md)