The number of CSSM_CONTEXT_ATTRIBUTE structures
to allocate.
ContextAttributes (input)
Pointer to data that describes the attributes to
be associated with this context.
DESCRIPTIONThis function updates one or more context attribute values
stored as part of an existing context specified by CCHandle.
The basic context structure is not modified by this function. Only
the context attributes are updated.
The NumberOfAttributes parameter specifies
the number of attributes to update. The new attribute values are
specified in ContextAttributes. If an attribute
provided in ContextAttributes is already present
in the existing context, the existing value is replaced by the new
value. If an attribute provided in ContextAttributes is
not present in the existing context, then the new attribute is added.
Attribute values are never deleted from the existing context.
RETURN VALUEA CSSM_RETURN value indicating success or specifying a particular
error condition. The value CSSM_OK indicates success. All other
values represent an error condition. ERRORSErrors are described in the CDSA Technical Standard.