3DS ReferenceProtocol & field guide

EMV 3-D Secure · Core specification 2.3.1.1

SDK Reference NumbersdkReferenceNumber

SDK Reference Number in Authentication Request (AReq).

Source edition: Core 2.3.1.1 · Type: String · Length: Variable, maximum 32 · Maximum length: 32

Baseline in AReq Required

Varies by context. Requirement or applicability varies by channel or message category. Select a specific context to resolve it. Usage and conditions ↓

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Usage in AReq

Identifies the vendor and version of the 3DS SDK that is used for a specific transaction. The value is assigned by EMVCo when the LOA of the specific 3DS SDK is issued.

Format and scope

Type: String · Length: Variable, maximum 32 · Maximum length: 32

Source components: 3DS SDK. Channels: 01-APP. Categories: 01-PA, 02-NPA.

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf, Table A.1, PDF pages 281

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 281

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

Document fingerprint (SHA-256): 6fdf0aba3fc1a765f96b74dad4069d1e189969f38f0023647021687daf589d6b