DPSECURITYDESC
The DPSECURITYDESC type describes the security properties of a DirectPlay session instance. 
Type DPSECURITYDESC
    lCAPIProviderType As Long
    lEncryptionAlgorithm As Long
    lFlags As Long
    strCAPIProvider As String
    strSSPIProvider As String
End Type
Members
- lCAPIProviderType 
- CryptoAPI service provider type. Pass 0 to use the default type, PROV_RSA_FULL. 
- lEncryptionAlgorithm 
- Encryption algorithm to use. DirectPlay supports only stream ciphers. Pass 0 to use the default, the CALG_RC4 stream cipher. 
- lFlags 
- Not used. Must be 0. 
- strCAPIProvider 
- Unicode or ANSI string describing the CryptoAPI package to use for cryptography services. Pass NULL to use the default, the Microsoft RSA Base Cryptographic Provider 1.0. 
- strSSPIProvider 
- Unicode or ANSI string describing the Security Support Provider Interface (SSPI) package to use for authenticated logons. Pass NULL to use the default, the NTLM security provider.