jspωiki
WebAuthn Attestation Statement Format Identifier

Overview#

WebAuthn Attestation Statement Format Identifier (WebAuthN) are the "Defined Attestation Statement Formats" for the Web Authentication API Specification and SHOULD be registered per WebAuthn-Registries

Ldapwiki recommends you to consult the The Registry Entries

WebAuthn Attestation Statement Format Identifier Description Reference Change Controller Notes
packedThe "packed" attestation statement format is a WebAuthN-optimized format for attestation. It uses a very compact but still extensible encoding method. This format is implementable by WebAuthn Authenticators with limited resources (e.g., Secure Elements).Web Authentication Section §8.2, Packed Attestation Statement FormatW3C_Web_Authentication_Working_Group
tpmThe TPM attestation statement format returns an attestation statement in the same format as the packed attestation statement format, although the rawData and signature fields are computed differently.Web Authentication Section §8.3, TPM Attestation Statement FormatW3C_Web_Authentication_Working_Group
android-keyPlatform Authenticators based on versions "N", and later, may provide this proprietary "hardware attestation" statement.Web Authentication Section §8.4, Android Key Attestation Statement FormatW3C_Web_Authentication_Working_Group
android-safetynetAndroid-based, Platform Authenticator MAY produce an attestation statement based on the Android SafetyNet API.Web Authentication Section §8.5, Android SafetyNet Attestation Statement FormatW3C_Web_Authentication_Working_Group
fido-u2fUsed with FIDO U2F authenticatorsWeb Authentication Section §8.6, FIDO U2F Attestation Statement FormatW3C_Web_Authentication_Working_Group

More Information#

There might be more information for this subject on one of the following: