import type { Buffer } from '../../utils/buffer';
import type { KeyType } from '../KeyType';
export interface KeyPair {
    publicKeyBase58: string;
    privateKeyBase58: string;
    keyType: KeyType;
}
export interface SignOptions {
    data: Buffer | Buffer[];
    publicKeyBase58: string;
    privateKeyBase58: string;
}
export interface VerifyOptions {
    data: Buffer | Buffer[];
    publicKeyBase58: string;
    signature: Buffer;
}
export interface CreateKeyPairOptions {
    seed?: Buffer;
    privateKey?: Buffer;
}
export interface SigningProvider {
    readonly keyType: KeyType;
    createKeyPair(options: CreateKeyPairOptions): Promise<KeyPair>;
    sign(options: SignOptions): Promise<Buffer>;
    verify(options: VerifyOptions): Promise<boolean>;
}