KeyExchangeInitiationV05 (KeyXchgInitn)

Scope

The KeyExchangeInitiation message can be initiated by any party and received by any party (acquirer, agent or issuer). This message is used to initiate a cryptographic key activity (request of a key change, request of the verification of a key, etc.).

Outline

The KeyExchangeInitiationV05 MessageDefinition is composed of 21 MessageBuildingBlocks:

Header — Information related to the management of the protocol.
Key Exchange Function — Type of key exchange function being performed. P000-P999 reserved for private use, N000-N999 reserved for national use.
Sender — Party sending the message to another intermediary agent or to the final destination.
Message Reason — Reason or purpose to send the message. The ISO 8583 maintenance agency (MA) manages this code list.
Alternate Message Reason — Alternate reason to send a message.
Programme — Programme, network, or brand processes the transaction.
System Trace Audit Number — Number assigned by a transaction originator to assist in identifying a transaction uniquely. The trace number remains unchanged for all messages within a two-message exchange (for example, request/repeat and response)
Transmission Date Time — Date and time expressed in UTC of the message as sent by the initiator.
Retrieval Reference Number — A reference supplied by the system retaining the original source information and used to assist in locating that information or a copy thereof.
Life Cycle Identification — Transaction lifecycle identification
Key Exchange Type — Defines the type of key being exchanged. P000-P999 reserved for private use, N000-N999 reserved for national use.
Key Exchange Data — Contains information pertaining to a key exchange. ISO 8583 bit 96
Jurisdiction — Contains information that identifies or is specific to a transaction jurisdiction.
Settlement Service — Type of settlement service for specific services requiring settlement.
Additional Fee — Fees not included in the transaction amount.
Reconciliation — Identification of the reconciliation period between the acquirer and the issuer or their respective agents.
Processing Result — Outcome of the processing of the authorisation
Protected Data — Contains protected data and the attributes used to protect the data.
Private Data — Reserved for private data. The use of this data element is determined by bilateral agreement.
National Data — Reserved to define data unique to the country applications.
Security Trailer — Trailer of the message containing a MAC.