ST_AlgClass (Cryptographic Algorithm Classes)

This simple type specifies the possible classes of cryptographic algorithm used by protection. [Note: The initial version of this Office Open XML Standard only supports a single version - hash - but future versions may expand this as necessary. end note]

[Example: Consider a WordprocessingML document with the following information stored in one of its protection elements:

<w:… w:cryptAlgorithmClass="hash"
w:cryptAlgorithmType="typeAny"
w:cryptAlgorithmSid="1"
w:hash="9oN7nWkCAyEZib1RomSJTjmPpCY=" />

The cryptAlgorithmClass attribute value of hash specifies that the algorithm used for the password is a hashing algorithm. end example]

This simple type's contents are a restriction of the XML Schema string datatype.

The following are possible enumeration values for this type:

Enumeration Value	Description
hash (Hashing)	Specifies that the algorithm is a hashing function, which creates a hash value for user-supplied input that is very difficult to reverse-engineer.

 

Referenced By

documentProtection@cryptAlgorithmClass (§2.15.1.28); writeProtection@cryptAlgorithmClass (§2.15.1.94)

The following XML Schema fragment defines the contents of this simple type:

<simpleType name="ST_AlgClass">

   <restriction base="xsd:string">

   <enumeration value="hash"/>

   </restriction>

</simpleType>