Class PasswordProtectedKeyRing

new PasswordProtectedKeyRing(
    username: string,
    prompt: PromptCallback,
    ttlMs?: number,
): PasswordProtectedKeyRing

reset(): Promise<void>

sign(
    options: {
        allowCredentials?: {
            passwordProtectedKey?: { encryptedPrivateKey: string; id: string }[];
        };
        challenge: string;
    },
): Promise<KeyAssertion>