import type ms from "ms";
export declare const AES_KEY_LEN = 32;
export declare const IV_LEN = 12;
export type Base64Encrypted = {
    key: string;
    iv: string;
    authTag: string;
    content: string;
};
export interface EncryptedContent {
    authTag: string;
    content: string;
}
export interface EncryptionContext {
    key: Buffer;
    iv: Buffer;
    header: EncryptedHeader;
}
export interface EncryptedHeader {
    key: string;
    iv: string;
}
export interface ICryptoProvider<TKey> {
    jwt: {
        verifyRS256(jwt: string, publicKey: TKey): Promise<object>;
        signRS256(obj: object, privateKey: TKey, expiresIn: ms.StringValue): Promise<string>;
    };
    crypto: {
        parsePublicKey(base64url: string): Promise<TKey>;
        parsePrivateKey(base64url: string): Promise<TKey>;
        stringifyPublicKey(key: TKey): Promise<string>;
        jwkPublicKey(key: TKey): Promise<object>;
        stringifyPrivateKey(key: TKey): Promise<string>;
        randomBytes(amount: number): Promise<Buffer>;
        publicEncrypt(data: Buffer, publicKey: TKey): Promise<Buffer>;
        privateDecrypt(data: Buffer, privateKey: TKey): Promise<Buffer>;
        encrypt(buffer: Buffer, key: Buffer, iv: Buffer): Promise<{
            authTag: Buffer;
            content: Buffer;
        }>;
        decrypt(buffer: Buffer, authTag: Buffer, key: Buffer, iv: Buffer): Promise<Buffer>;
    };
}