import { KeyDerivationConfigParams } from "encryption/low-level/key-derivation";
import { KeyEncryptionConfigParams } from "encryption/low-level/symmetric/aes/key";
import { DataEncryptorI } from "encryption/data/data-encryptor";
import { EncryptedKeyPair, ExportedKeyPair } from "./util/encrypt-key-pair";
export interface UserDoc {
    kek_derivation_config: KeyDerivationConfigParams;
    private_key_encryption_config: KeyEncryptionConfigParams;
    encryption_key_pair: EncryptedKeyPair;
    signing_key_pair: EncryptedKeyPair;
}
export interface ResolvedNewUserResponse {
    encryptor: DataEncryptorI;
    userDoc: UserDoc;
}
export interface ImportedKeys {
    encryptionKeyPair: CryptoKeyPair;
    signingKeyPair: CryptoKeyPair;
}
export interface ExportedKeys {
    encryption_key_pair: ExportedKeyPair;
    signing_key_pair: ExportedKeyPair;
}
export declare function newUser(password: string): Promise<ResolvedNewUserResponse>;
export declare function encryptorFromExistingUser(userDoc: UserDoc, password: string): Promise<DataEncryptorI>;
export declare function changePassword(oldUserDoc: UserDoc, oldPassword: string, newPassword: string): Promise<UserDoc>;
export declare function exportKeys(userDoc: UserDoc, password: string): Promise<ExportedKeys>;
export declare function importKeys(exportedKeys: ExportedKeys, newPassword: string): Promise<UserDoc>;