Table of Contents

1     Scope          
 2     References
 3     Definitions
 4     Abbreviations and acronyms             
 5     Conventions            
        5.1     Conformance
 6     Overview  
 7     Relationship to other specifications
 8     Protocol structure 
 9     Protocol overview 
10     Authenticator API
       10.1     authenticatorMakeCredential (0x01)
       10.2     authenticatorGetAssertion(0x02)      
       10.3     authenticatorGetNextAssertion (0x08)            
       10.4     Client logic   
       10.5     authenticatorCancel (0x03)   
       10.6     authenticatorGetInfo (0x04)
       10.7     authenticatorClientPIN (0x06)             
       10.8     AuthenticatorReset (0x07)    
11     Message encoding
       11.1     Commands  
       11.2     Responses   
       11.3     Error responses         
12     Interoperating with CTAP1/U2F authenticators       
       12.1     Using the CTAP2 authenticatorMakeCredential command with CTAP1/U2F authenticators    
       12.2     Using the CTAP2 authenticatorGetAssertion command with CTAP1/U2F authenticators    
13     Transport-specific bindings              
       13.1     USB 
       13.2     ISO7816, ISO14443 and near-field communication (NFC)         
Bibliography