3DS ReferenceProtocol & field guide

EMV 3-D Secure · Core specification 2.3.1.1

Message Version NumbermessageVersion

Message Version Number in Authentication Response (ARes).

Source edition: Core 2.3.1.1 · Type: String · Length: Variable, 5–8 characters · Minimum length: 5 · Maximum length: 8

Baseline in ARes Required

Required across all channels and categories. Usage and conditions ↓

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Usage in ARes

Protocol Version identifier This shall be the Protocol Version Number of the specification used by the system creating this message. The Message Version Number is set by the 3DS Server which originates the protocol with the AReq message. The Message Version Number does not change during a 3DS transaction.

Format and scope

Type: String · Length: Variable, 5–8 characters · Minimum length: 5 · Maximum length: 8

Source components: 3DS Server. Channels: 01-APP, 02-BRW, 03-3RI. Categories: 01-PA, 02-NPA.

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf, Table A.1, PDF pages 260

Transaction context

This reference covers the published source edition. Use the explorer to inspect this field and any applicable transaction conditions. Scheme programme requirements are not inferred from the protocol edition.

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Sources and related references

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf, Table A.1, PDF pages 260

Source review status: extracted. Carried-forward material has not acquired a new verification claim.

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