CrescendoDLL.PCSC.FIDODataStructures.MakeCredentialResponse Class Reference

Represents the response from a FIDO CTAP2 authenticatorMakeCredential command. More...

Properties
byte[]	AuthData = default! [get, set]
	Authenticator data containing credential context.
bool	EpAtt = false [get, set]
	Enterprise attestation flag (CTAP2.1+). Optional parameter (CTAP2 key: 0x04). When true, indicates the use of enterprise-grade attestation that may identify specific authenticator models. Requires explicit user consent per privacy guidelines.
string	Fmt = string.Empty [get, set]
	Attestation statement format identifier.
AttestationStatement	Statement = new() [get, set]
	Attestation statement with cryptographic proof.

Detailed Description

Represents the response from a FIDO CTAP2 authenticatorMakeCredential command.

Property Documentation

AuthData

byte [] CrescendoDLL.PCSC.FIDODataStructures.MakeCredentialResponse.AuthData = default!

getset

Authenticator data containing credential context.

Required parameter (CTAP2 key: 0x02). Contains:

• RP ID hash
• Flags (user presence/verification)
• Signature counter
• Attested credential data

EpAtt

bool CrescendoDLL.PCSC.FIDODataStructures.MakeCredentialResponse.EpAtt = false

getset

Enterprise attestation flag (CTAP2.1+). Optional parameter (CTAP2 key: 0x04). When true, indicates the use of enterprise-grade attestation that may identify specific authenticator models. Requires explicit user consent per privacy guidelines.

Fmt

string CrescendoDLL.PCSC.FIDODataStructures.MakeCredentialResponse.Fmt = string.Empty

getset

Attestation statement format identifier.

Required parameter (CTAP2 key: 0x01). Specifies the format of the attestation statement. Registered formats include:

• packedBasic packed attestation
• tpmTPM-specific attestation
• android-keyAndroid KeyStore attestation

See IANA WebAuthn Attestation Statement Format Identifiers registry.

Statement

AttestationStatement CrescendoDLL.PCSC.FIDODataStructures.MakeCredentialResponse.Statement = new()

getset

Attestation statement with cryptographic proof.

Required parameter (CTAP2 key: 0x03). Format-specific structure containing:

• Signature over credential data
• Certificate chain (if applicable)
• Other format-specific parameters