export interface Hash {
    hash(msg: Uint8Array): Uint8Array;
    dispose(): void;
}
export interface KeyedHash {
    hash(key: Uint8Array, msg: Uint8Array): Uint8Array;
    dispose(): void;
}
export interface Blockcipher {
    encrypt(block: Uint8Array): Uint8Array;
    decrypt(block: Uint8Array): Uint8Array;
    dispose(): void;
}
export interface Streamcipher {
    encrypt(msg: Uint8Array): Uint8Array;
    decrypt(msg: Uint8Array): Uint8Array;
    dispose(): void;
}
export interface AEAD {
    encrypt(msg: Uint8Array, aad?: Uint8Array): Uint8Array;
    /** Decrypt and authenticate. Throws `Error` on authentication failure, never returns null. */
    decrypt(ciphertext: Uint8Array, aad?: Uint8Array): Uint8Array;
    dispose(): void;
}
/**
 * Stateless cipher PRF for Fortuna's generator slot. Produces `n` bytes of
 * keystream from `(key, counter)` without mutating either input. Implementations
 * are plain const objects, not classes.
 */
export interface Generator {
    readonly keySize: number;
    readonly blockSize: number;
    readonly counterSize: number;
    readonly wasmModules: readonly string[];
    generate(key: Uint8Array, counter: Uint8Array, n: number): Uint8Array;
}
/**
 * Stateless hash function for Fortuna's accumulator and reseed slots. Output
 * size must match the generator's key size when paired in Fortuna.
 */
export interface HashFn {
    readonly outputSize: number;
    readonly wasmModules: readonly string[];
    digest(msg: Uint8Array): Uint8Array;
}