JSPM

import { createCredential, sign, verify } from 'webauthn-p256'

// Register a WebAuthn credential (ie. passkey).
const credential = createCredential({
  name: 'Example',
})

// Sign hash with credential.
const { signature, webauthn } = await sign({
  credentialId: credential.id,
  hash: '0x...'
})

// Verify signature with hash, public key, and WebAuthn data.
const verified = await verify({
  hash: '0x...',
  publicKey: credential.publicKey,
  signature,
  webauthn,
})

import { createCredential, parsePublicKey, parseSignature, sign } from 'webauthn-p256'
import { createPublicClient, http } from 'viem'
import { mainnet } from 'viem/chains'

const abi = parseAbi([
  'struct WebAuthnAuth { bytes authenticatorData; string clientDataJSON; uint256 challengeIndex; uint256 typeIndex; uint256 r; uint256 s; }',
  'function verify(bytes, bool, WebAuthnAuth, uint256, uint256)'
])
const code = '0x...'

const credential = createCredential({
  name: 'Example',
})

const hash = '0x...'

const { signature, webauthn } = await sign({
  credentialId: credential.id,
  hash
})

const { x, y } = parsePublicKey(credential.publicKey)
const { r, s } = parseSignature(signature)

const verified = await client.readContract({
  abi,
  code,
  functionName: 'verify',
  args: [
    hash,
    webauthn.userVerificationRequired,
    { ...webauthn, r, s },
    x,
    y,
  ],
})

import { createCredential } from 'webauthn-p256'

const credential = createCredential({
  name: 'Example',
})

import { sign } from 'webauthn-p256'

const credential = { /* ... */ }

const { signature, webauthn } = await sign({
  credentialId: credential.id,
  hash: '0x...',
})

import { verify } from 'webauthn-p256'

const credential = { /* ... */ }
const signature = '0x...'
const webauthn = { /* ... */ }
 
const valid = await verify({ 
  hash: '0x...', 
  publicKey: credential.publicKey, 
  signature,
  webauthn,
})

import { getCredentialCreationOptions } from 'webauthn-p256'

const options = getCredentialCreationOptions({
  name: 'Example',
})

import { getCredentialSignRequestOptions } from 'webauthn-p256'

const options = getCredentialSignRequestOptions({
  credentialId: '...',
  hash: '0x...',
})

import { parsePublicKey } from 'webauthn-p256'

const publicKey = parsePublicKey('0x...')

console.log(publicKey)
// { x: 1231..., y: 12412... }

import { parseSignature } from 'webauthn-p256'

const signature = parseSignature('0x...')

console.log(signature)
// { r: 1231..., s: 12412... }

import { serializePublicKey } from 'webauthn-p256'

const publicKey = serializePublicKey({
  x: 12341...,
  y: 12341...,
})

console.log(publicKey)
// '0x...'

import { serializeSignature } from 'webauthn-p256'

const signature = serializeSignature({
  r: 12341...,
  s: 12341...,
})

console.log(signature)
// '0x...'