getWebauthnValidatorSignature

Get the encoded signature for the WebAuthn validator.

Usage

const webauthn = {
  authenticatorData: toHex('authenticatorData'),
  clientDataJSON: 'clientDataHash',
  typeIndex: 0,
}
 
const signature = {
  r: 10n,
  s: 5n,
}
 
const validatorSignature = getWebauthnValidatorSignature({
  webauthn,
  signature,
  usePrecompiled: true,
})

Parameters

webauthn.authenticatorData

• Type: Hex (opens in a new tab)

The authenticator data formatted as a hex string.

webauthn.clientDataJSON

• Type: string

The JSON object of the client data that was signed.

webauthn.typeIndex

• Type: number

The location of the response type in the client data JSON.

signature.r

• Type: number

The r value of the signature.

signature.s

• Type: number

The s value of the signature.

usePrecompiled (optional)

• Type: boolean

A flag to indicate whether to use the precompiled contract for EIP-7212. Note that not all networks support the precompile.

Returns

signature

• Type: Hex (opens in a new tab)

The encoded signature for the WebAuthn validator.