This function retrieves the context attributes information for the given context and attribute type. Note that not all context attributes can be queried using this function. For example, key size cannot be queried. To determine the key size, query the key. The key size data is contained in the header of the key. These attribute types can be retrieved using CSSM_GetContextAttribute:

CSSM_CONTEXT_ATTRIBUTE_PTR CSSMAPI CSSM_GetContextAttribute (const CSSM_CONTEXT_PTR Context,
                                                             uint32 AttributeType)

Input

Context

A pointer to the context.

AttributeType

The attribute type of the specified context.

The pointer to the CSSM_ATTRIBUTE structure that describes the context attributes associated with the context and the attribute type. If the pointer is NULL, an error has occurred. Use CSSM_GetError to obtain the error code.

CSSM_GetContext