3DS ReferenceProtocol & field guide

EMV 3-D Secure · Core specification 2.3.1.1

Device ChanneldeviceChannel

Device Channel in Authentication Request (AReq).

Source edition: Core 2.3.1.1 · Type: String · Length: 2 characters · Minimum length: 2 · Maximum length: 2

Baseline in AReq Required

Required across all channels and categories. Usage and conditions ↓

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Valid values

CodeMeaning
01App-based (APP)
02Browser (BRW)
033DS Requestor Initiated (3RI)

Source: EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf, Table A.1, PDF pages 247. Read usage and conditions.

Reserved values

CodeMeaning
04–79Reserved for EMVCo future use (values invalid until defined by EMVCo)
80–99Reserved for DS use

Usage in AReq

Indicates the type of channel interface being used to initiate the transaction.

Format and scope

Type: String · Length: 2 characters · Minimum length: 2 · Maximum length: 2

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 247

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 247

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

Document fingerprint (SHA-256): 6fdf0aba3fc1a765f96b74dad4069d1e189969f38f0023647021687daf589d6b