export declare const crypto: import("./provider").CryptoProvider;
export declare const aesGcmEncrypt: (key: Uint8Array, nonce: Uint8Array, plaintext: Uint8Array, aad: Uint8Array) => import("./provider").AeadResult;
export declare const aesGcmDecrypt: (key: Uint8Array, nonce: Uint8Array, ciphertext: Uint8Array, aad: Uint8Array) => Uint8Array;
export declare const xchachaEncrypt: (key: Uint8Array, nonce: Uint8Array, plaintext: Uint8Array, aad: Uint8Array) => import("./provider").AeadResult;
export declare const xchachaDecrypt: (key: Uint8Array, nonce: Uint8Array, ciphertext: Uint8Array, aad: Uint8Array) => Uint8Array;
export declare const argon2id: (opts: import("./provider").Argon2idOptions) => Promise<Uint8Array>;
export declare const hkdfExpand: (ikm: Uint8Array, salt: Uint8Array, info: string, length: number) => Uint8Array;
export declare const hkdfJoin: (keys: import("./provider").KeyInput[], context: string) => Uint8Array;
export declare const deriveCek: (seed: Uint8Array, context: string) => Uint8Array;
export declare const deriveKid: (publicKey: Uint8Array) => string;
export declare const deriveSymmetricKid: (key: Uint8Array) => string;
export declare const kemGenerateKeypair: () => import("./provider").KemKeypair;
export declare const kemEncapsulate: (recipientPublicKey: Uint8Array) => import("./provider").KemEncapResult;
export declare const kemDecapsulate: (ciphertext: Uint8Array, secretKey: Uint8Array) => Uint8Array;
export declare const kemWrapCek: (cek: Uint8Array, recipientPublicKey: Uint8Array) => Uint8Array;
export declare const kemUnwrapCek: (wrappedCek: Uint8Array, secretKey: Uint8Array) => Uint8Array;
export declare const shamirSplit: (secret: Uint8Array, threshold: number, totalShares: number) => any[];
export declare const shamirReconstruct: (shares: any[]) => Uint8Array;
export declare const shamirSplitAndWrap: (secret: Uint8Array, threshold: number, recipientPublicKeys: unknown) => unknown;
export declare const shamirUnwrapAndReconstruct: (wrappedShares: unknown, secretKeys: unknown) => Uint8Array;
export declare const SecretShare: any;
export declare const randomBytes: (length: number) => Uint8Array;
export declare const generateCek: () => Uint8Array;
export declare const generateNonceAesGcm: () => Uint8Array;
export declare const generateNonceXchacha: () => Uint8Array;
export declare const keyCommitment: (cek: Uint8Array) => Uint8Array;
export declare const verifyKeyCommitment: (cek: Uint8Array, expectedKcmp: Uint8Array) => boolean;
export declare const sha256: (data: Uint8Array) => Uint8Array;
export declare const blake2s256: (data: Uint8Array) => Uint8Array;
export declare const computeSummary: (digest: Uint8Array) => Uint8Array;
export declare const constantTimeEq: (a: Uint8Array, b: Uint8Array) => boolean;
export declare const toBase64Url: (data: Uint8Array) => string;
export declare const fromBase64Url: (encoded: string) => Uint8Array;
export declare const toHex: (data: Uint8Array) => string;
export declare const fromHex: (encoded: string) => Uint8Array;
export declare const generateUuid: () => string;
export declare const zeroize: (data: Uint8Array) => void;
export declare const canonicalAad: (headerFields: {
    v: number;
    suite: string;
    aead: string;
    docId: string;
    vaultId?: string | null | undefined;
    epoch: number;
    policy: {
        mode: string;
        t?: number | undefined;
        n?: number | undefined;
    } | undefined;
}) => Uint8Array;
export declare const buildContext: (docId: string, epoch: number) => string;
export type { AeadResult, KemKeypair, KemEncapResult, SecretShareLike, KeyInput, CryptoProvider } from './provider';