SecPkgContext_Sizes
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4/8/2010
This structure indicates the sizes of important structures used in the message support functions. The QueryContextAttributes function uses this structure.
Syntax
typedef struct _SecPkgContext_Sizes {
ULONG cbMaxToken;
ULONG cbMaxSignature;
ULONG cbBlockSize;
ULONG cbSecurityTrailer;
} SecPkgContext_Sizes, SEC_FAR *PSecPkgContext_Sizes;
Members
- cbMaxToken
Maximum size of the security token used in the authentication exchanges*.*
- cbMaxSignature
Maximum size of the signature created by the MakeSignature function. This member should be zero if integrity services are not requested or available.
- cbBlockSize
Preferred integral size of the messages. For example, 8 indicates that messages should be of size 0 mod 8 for optimal performance. Messages other than this block size can be padded.
- cbSecurityTrailer
Size of the security trailer to be appended to messages. This member should be zero if the relevant services are not requested or available.
Requirements
| Header | sspi.h |
| Windows Embedded CE | Windows CE 2.10 and later |
| Windows Mobile | Windows Mobile Version 5.0 and later |