Transaction Data Signing

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With OneSpan Cloud Authentication (OCA), your users can choose to sign their transaction data with one of the following options:

An offline one-time password (OTP)
With Push Notification messages (see Push Notification-based transaction data signing)
Based on the OneSpan Secure Channel feature (see Secure Channel-based transaction data signing)
With FIDO-based transaction data signing (see FIDO-based transaction data signing)

Various authenticators are supported for the different types of transaction data singing.

Transaction data signing type	Supported authenticators
Overview supported authenticators
Offline OTP	Hardware: authenticators with signature support Software: Mobile Authenticator Studio
Secure Channel-based	Hardware: authenticators with Cronto image support Software: Mobile Authenticator Studio Mobile Security Suite Orchestration SDK
Push Notification-based	Software: Mobile Authenticator Studio Mobile Security Suite Orchestration SDK
FIDO-based	Hardware: UAF authenticator
Message-based (Email/SMS/Voice)	Virtual authenticator with signature support

For more information about the integration of transaction data signing with OneSpan Cloud Authentication, see the OneSpan Cloud Authentication Integration Guide.

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