3DS ReferenceProtocol & field guide

EMV 3-D Secure · Core specification 2.3.1.1

Why Information TextwhyInfoText

Why Information Text in Challenge Response (CRes).

Source edition: Core 2.3.1.1 · Type: String · Length: Variable, maximum 256 · Maximum length: 256

Baseline in CRes Optional

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 CRes

Text provided by the Issuer to be displayed to the Cardholder to explain why the Cardholder is being asked to perform the authentication task.

Format and scope

Type: String · Length: Variable, maximum 256 · Maximum length: 256

Source components: ACS. Channels: 01-APP. Categories: 01-PA, 02-NPA.

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf, Table A.1, PDF pages 296

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 296

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

Document fingerprint (SHA-256): 6fdf0aba3fc1a765f96b74dad4069d1e189969f38f0023647021687daf589d6b