Querying Digest Security Context Attributes

The QueryContextAttributes (Digest) function provides information about the current settings of a security context.

Microsoft Digest supports querying the following security context attributes.

Attribute	Description
SECPKG_ATTR_KEY_INFO	Information relating to the signing and encryption algorithms in use.
SECPKG_ATTR_PACKAGE_INFO	General information pertaining to Microsoft Digest, such as the maximum token size permitted by the security package.
SECPKG_ATTR_SIZES	The maximum sizes permitted for message-related data such as signatures.