3DS ReferenceProtocol & field guide

EMV 3-D Secure · Core specification 2.3.1.1

ACS Signed ContentacsSignedContent

Contains the JWS object (represented as a string) created by the ACS for the ARes message. See Section 6.2.3.2 for details.

Read in message: ARes

Explore this field with transaction context

Message inclusion

Baseline inclusion. Effective requirements depend on transaction context. Check the field’s conditions and FAQ qualifications; select channel and category in the explorer.

MessageBaseline inclusion
AResConditional

Conditional inclusion — source text

Required if Transaction Status = C.

Related condition fields: transStatus.

Format and scope

Type: String · Length: Variable, maximum 16000 · Maximum length: 16000

Source components
ACS
Device channels
01-APP
Message categories
01-PA, 02-NPA

Contained members

Version history

No field introduction version is tagged in the dataset. Introduction tags are curated metadata, not a full history of changes. Compare versions and understand coverage.

Source and review status

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf, Table A.1, PDF pages 204

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

Source document fingerprint

EMV_3DS_CoreSpec_v2.3.1.1_20230530.pdf

6fdf0aba3fc1a765f96b74dad4069d1e189969f38f0023647021687daf589d6b

Official EMVCo specifications · Methodology and coverage limits