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import crypto from 'crypto';
/**
* Verify an authenticator's signature
*
* @param signature attStmt.sig
* @param signatureBase Output from Buffer.concat()
* @param publicKey Authenticator's public key as a PEM certificate
* @param algo Which algorithm to use to verify the signature (default: `'sha256'`)
*/
export default function verifySignature(
signature: Buffer,
signatureBase: Buffer,
publicKey: string,
algo = 'sha256',
): boolean {
return crypto.createVerify(algo).update(signatureBase).verify(publicKey, signature);
}
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