type KeyPair = {
    publicKey: JsonWebKey;
    privateKey: JsonWebKey;
};

type Signer = (data: string) => Promise<string>;

type Verifier = (data: string, signature: string) => Promise<boolean>;

/**
 * Generic interface to imeplement different algorithms.
 */
export interface CryptoImplementation {
    //name of the algorithm
    alg: string;
    /**
     * Generates a new keypair
     */
    generateKeyPair(): Promise<KeyPair>;
    /**
     * creates a signer based on the passed key.
     * @param privateKeyJWK
     */
    getSigner(privateKeyJWK: JsonWebKey): Promise<Signer>;
    /**
     * creates a verifier based on the passed key.
     * @param publicKeyJWK
     */
    getVerifier(publicKeyJWK: JsonWebKey): Promise<Verifier>;
}