web
fun webAuthn(verifierAddress: String, publicKey: ByteArray, credentialId: ByteArray): ExternalSigner
Creates a WebAuthn external signer with secp256r1 signature verification.
WebAuthn signers use an uncompressed secp256r1 public key (65 bytes starting with 0x04) combined with a WebAuthn credential ID for authentication.
Return
An external signer configured for WebAuthn verification
Parameters
verifier
The contract address of the WebAuthn verifier (C-address)
public
The uncompressed secp256r1 public key (65 bytes, starting with 0x04)
credential
The WebAuthn credential identifier
Throws
if validation fails