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This section defines the authentication services functions. Among these are the SSPI callback functions, for example, AcceptSecurityContext. A SecurityFunctionTable structure contains pointers to these callback functions.
Note An SSPI callback function should be called by dereferencing the field of the same name in the SecurityFunctionTable structure retrieved by a call to the InitSecurityInterface function. It is not recommended to call the callback functions directly.
| Programming element | Description |
|---|---|
| AcceptSecurityContext | This function enables the server part of a transport application to establish a security context between the server and a remote client. |
| AcquireCredentialsHandle | This function allows applications to acquire a handle to preexisting credentials associated with the user on whose behalf the call is made. |
| ApplyControlToken | This function provides a way to apply a control token to a security context. |
| CompleteAuthToken | This function completes an authentication token. |
| DecryptMessage | This function decrypts a message. |
| DeleteSecurityContext | This function deletes local data structures associated with the specified security context. |
| EncryptMessage | This function encrypts a message to help provide privacy. |
| EnumerateSecurityPackages | This function retrieves an array of SecPkgInfo structures that describe the security packages available to the client. |
| FreeContextBuffer | This function enables callers of security provider functions to free a memory buffer allocated by the security provider. |
| FreeCredentialsHandle | This function notifies the security system that credentials are no longer required. |
| InitializeSecurityContext | This function initiates the outbound security context from a credential handle. |
| InitSecurityInterface | This function returns a pointer to a Security Service Provider Interface (SSPI) dispatch table. |
| InternetCanonicalizeUrl | This function converts a URL to a canonical form, including the conversion of unsafe characters into escape sequences. |
| MakeSignature | This function generates a cryptographic checksum of the message and includes sequencing information to prevent message loss or insertion. |
| NTLMAddGroup | This function adds a new NTLM group. |
| NTLMAddUserToGroup | This function adds an existing user to an existing NTLM group. |
| NTLMDeleteUser | This function deletes a user name from the local database. |
| NTLMEnumGroups | This function enumerates an NTLM group. |
| NTLMEnumUser | This function enumerates a user in a local database. |
| NTLMGetGroupList | This function gets a list of groups to which a user belongs. |
| NTLMGetUserList | This function gets the list of users belonging to an NTLM group. |
| NTLMRemoveGroup | This function removes an existing NTLM group. |
| NTLMRemoveUserFromGroup | This function removes a user from an NTLM group. |
| NTLMSetUserInfo | This function adds user information to the local database. |
| QueryContextAttributes | This function enables a transport application to query a security package for certain attributes of a security context. |
| QueryCredentialsAttributes | This function retrieves the attributes of a credential, such as the name associated with the credential. |
| QuerySecurityPackageInfo | This function retrieves information about a specified security package. |
| SealMessage | This function seals a message. |
| UnsealMessage | This function unseals a message. |
| VerifySignature | This function verifies the signature of a message at the other end. |
See Also
Authentication Services Reference
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