import * as crypto from 'crypto';

declare function isSubtleCryptoAvailable(): boolean;
declare function isNodeCryptoAvailable<T>(withFeature: (nodeCrypto: typeof crypto) => boolean | T): false | T;
declare const NO_CRYPTO_LIB = "Crypto lib not found. Either the WebCrypto \"crypto.subtle\" or Node.js \"crypto\" module must be available.";
interface WebCryptoLib {
    lib: Crypto;
    name: 'webCrypto';
}
interface NodeCryptoLib {
    lib: typeof crypto;
    name: 'nodeCrypto';
}
declare function getCryptoLib(): Promise<WebCryptoLib | NodeCryptoLib>;

declare function aes256CbcEncrypt(iv: Uint8Array, key: Uint8Array, plaintext: Uint8Array): Promise<Uint8Array>;
declare function aes256CbcDecrypt(iv: Uint8Array, key: Uint8Array, ciphertext: Uint8Array): Promise<Uint8Array>;
declare function aes128CbcEncrypt(iv: Uint8Array, key: Uint8Array, plaintext: Uint8Array): Promise<Uint8Array>;
declare function aes128CbcDecrypt(iv: Uint8Array, key: Uint8Array, ciphertext: Uint8Array): Promise<Uint8Array>;

export { NO_CRYPTO_LIB, NodeCryptoLib, WebCryptoLib, aes128CbcDecrypt, aes128CbcEncrypt, aes256CbcDecrypt, aes256CbcEncrypt, getCryptoLib, isNodeCryptoAvailable, isSubtleCryptoAvailable };