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.

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