import { PrivKey, PubKey } from '../internal.js';
/**
 * Flips the bits of 32 random bytes in order to ensure a x25519 interger scalar.
 */
export declare function adjustScalarBytes(bytes: Uint8Array): Uint8Array;
/**
 * Calculates a shared secret between an X25519 privkey and pubkey.
 */
export declare function getSharedSecret(privKey: Uint8Array, pubKey: Uint8Array): Uint8Array;
/**
 * Mutiplies an X25519 point with the given scalar.
 */
export declare function scalarMult(pubKey: Uint8Array, privKey: Uint8Array): Uint8Array;
/**
 * Converts an Ed25519 privkey to X25519.
 */
export declare function toMontgomeryPriv(privKey: PrivKey): Uint8Array;
/**
  Converts an Ed25519 pubkey to X25519.
 */
export declare function toMongomeryPub(pubKey: PubKey): Uint8Array;
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