import type { PreparedEncryption, BN } from './types';
export declare function randomNonce(bytes?: number): {
    nonceBytes: Uint8Array;
    nonce: BN;
};
export declare function randomComputationOffset(): BN;
export declare function generateKeypair(): {
    privateKey: Uint8Array<ArrayBufferLike>;
    publicKey: Uint8Array<ArrayBufferLike>;
};
export declare function deriveSharedSecret(privateKey: Uint8Array, peerPublicKey: Uint8Array): Uint8Array<ArrayBufferLike>;
export declare function encryptBigints(values: Array<bigint | number>, sharedSecret: Uint8Array, nonceBytes?: Uint8Array, encryptionPubkey?: Uint8Array): PreparedEncryption;
export interface EncryptionPayloadInput {
    values: Array<bigint | number>;
    mxePublicKey: Uint8Array;
    nonceBytes?: Uint8Array;
}
export declare function prepareEncryptionPayload(input: EncryptionPayloadInput): PreparedEncryption;
export interface EncryptionContract {
    values: Array<bigint | number>;
    mxePublicKey: Uint8Array;
    nonceBytes?: Uint8Array;
}
export declare function buildEncryptedArgs(contract: EncryptionContract): PreparedEncryption;