CSM Cryptographic Service Message Header

To indicate the beginning of a Cryptographic Service Message (CSM) Transaction Set and to provide both the class or type of the CSM and the cryptographic end parties to the transaction

Position
Element
Name
Type
Requirement
Min
Max
Repeat
CSM-01
Cryptographic Service Message (CSM) Message Class Code
Identifier (ID)
Mandatory
3
4
-
Message class (MCL).
CSM-02
Security Originator Name
String (AN)
Mandatory
4
16
-
Unique designation (identity) of the cryptographic entity that performs authentication or encryption on data to be interchanged, or originates a cryptographic service message. No mechanism, or registration method is provided by X9 or X12 to guarantee uniqueness of the identifier.
CSM-03
Security Recipient Name
String (AN)
Mandatory
4
16
-
Unique designation (identity) of the cryptographic entity that performs authentication or decryption on received data or is the destination of a cryptographic service message. No mechanism, or registration method, is provided by X9 or X12 to guarantee the uniqueness of the identifier.

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