/**
 * Specifies the PRF which should be used for the key derivation alogrithm.
 */
export declare enum KeyDerivationPrf {
    /** The HMAc algorithm (RFC 2104) using the SHA-1 hash function (FIPS 180-4). */
    HMAC_SHA1 = 0,
    /** The HMAC algorithm (RFC 2104) using the SHA-256 hash function (FIPS 180-4) */
    HMAC_SHA256 = 1
}
/**
 * Returns the string representation of the specified key derivation prf.
 */
export declare const KdPrfDigestMap: {
    0: string;
    1: string;
};