interface EdKeyPair {
    publicKey: Uint8Array;
    secretKey: Uint8Array;
}
declare const _default: {
    generateKeyPair(): Promise<EdKeyPair>;
    generateKeyPairFromSeed: typeof generateKeyPairFromSeed;
    sign(secretKey: Uint8Array | string, data: Uint8Array | string): Promise<Uint8Array>;
    verify(publicKey: Uint8Array | string, data: Uint8Array | string, signature: Uint8Array | string): Promise<boolean>;
    sha256digest(data: Uint8Array): Promise<ArrayBuffer>;
};
export default _default;
declare function generateKeyPairFromSeed(seed: Uint8Array): Promise<EdKeyPair>;
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