/**
 * CRYPTOGRAPHIC FUNCTIONS =====================================================
 * =============================================================================
 */
/**
 * Sign message with secret key using native Node.js crypto (fastest)
 *
 * @param {string} text - to sign
 * @param {string} key - secret
 * @param {string} [algo] - cryptographic algorithm to use
 * @param {string} [format] - output hash type, one of ['binary', 'hex', 'base64']
 * @param {string} [encoding] - input data type, one of ['binary', 'hex', 'base64']
 * @return {string} - signature
 */
export function cryptoSign(text: string, key: string, algo?: string | undefined, format?: string | undefined, encoding?: string | undefined): string;
/**
 * Verify Signature integrity for given Message with Secret key
 *
 * @param {string} signature - to verify
 * @param {string} message - to sign
 * @param {string} key - secret
 * @param {string} [algo] - cryptographic algorithm to use
 * @param {string} [format] - output hash type, one of ['binary', 'hex', 'base64']
 * @return {boolean} - true if signature is valid, else false
 */
export function cryptoSignVerify(signature: string, message: string, key: string, algo?: string | undefined, format?: string | undefined): boolean;
/**
 * Hash message using native Node.js crypto (fastest)
 *
 * @param {string} text - to hash
 * @param {string} [algo] - cryptographic algorithm to use
 * @param {string} [format] - output hash type, one of ['binary', 'hex', 'base64']
 * @return {string} - hash
 */
export function cryptoHash(text: string, algo?: string | undefined, format?: string | undefined): string;
/**
 * Encrypt Text string
 *
 * @param {String} text - message to encrypt
 * @param {String} key - at least 32 characters secret
 * @param {string} [algo] - cryptographic algorithm to use
 * @return {string} - encrypted text
 */
export function encrypt(text: string, key: string, algo?: string | undefined): string;
/**
 * Decrypt Text string
 *
 * @param {String} text - content with IV prefix to decrypt
 * @param {String} key - at least 32 characters secret
 * @param {string} [algo] - cryptographic algorithm to use
 * @return {string} - decrypted text
 */
export function decrypt(text: string, key: string, algo?: string | undefined): string;