Page Comparison

ChallengeIndicator

Indicates whether a challenge is requested for this transaction.

Possible Values:

07 - No challenge requested (strong consumer authentication is already performed)

Required for Visa Delegated Authentication 

N(2)

AlternateAuthenticationData

Data that documents and supports a specific authentication process that was sent in the AlternateAuthenticationMethod field.

For example, if the 3DS Requestor Authentication Method is:

• 03, then this element can carry information about the provider of the federated ID and related information.

• 06, then this element can carry the FIDO attestation data (including the signature).

• 07, then this element can carry FIDO Attestation data with the FIDO assurance data signed.

• 08, then this element can carry the SRC assurance data.

Required for Visa Delegated Authentication

AN(20000)

AlternateAuthenticationMethod

Mechanism used by the cardholder to authenticate to the 3DS Requestor

Possible Values:

• 01 = No 3DS Requestor authentication occurred (i.e. cardholder “logged in” as guest)

• 02 = Login to the cardholder account at the 3DS Requestor system using 3DS Requestor’s own credentials

• 03 = Login to the cardholder account at the 3DS Requestor system using federated ID

• 04 = Login to the cardholder account at the 3DS Requestor system using Issuer credentials

• 05 = Login to the cardholder account at the 3DS Requestor system using third-party authentication

• 06 = Login to the cardholder account at the 3DS Requestor system using FIDO Authenticator

• 07 = Login to the cardholder account at the 3DS Requestor system using FIDO Authenticator (FIDO assurance data signed)

• 08 = Assurance data

Required for Visa Delegated Authentication

N(2)

AlternateAuthenticationDate

Date and time in UTC of the customer authentication

Required for Visa Delegated Authentication

N(12)