/**
 * Native crypto callbacks that delegate AES/HMAC primitives to Node's OpenSSL
 * (`node:crypto`). Pass the returned object as the second argument to
 * `initWasmEngine(logger, nativeCrypto)` — every Signal / Noise primitive in
 * the Rust bridge (wacore_libsignal::crypto) will use it instead of the WASM
 * soft implementation.
 *
 * Safe to use only in Node.js / Bun. In browsers, omit this and the bridge
 * falls back to the WASM soft AES + sha2.
 */
export declare const makeNativeCryptoProvider: () => {
    aesCbc256Encrypt(key: Uint8Array, iv: Uint8Array, plaintext: Uint8Array): Uint8Array;
    aesCbc256Decrypt(key: Uint8Array, iv: Uint8Array, ciphertext: Uint8Array): Uint8Array;
    aesGcm256Encrypt(key: Uint8Array, nonce: Uint8Array, aad: Uint8Array, plaintext: Uint8Array): Uint8Array;
    aesGcm256Decrypt(key: Uint8Array, nonce: Uint8Array, aad: Uint8Array, ciphertextWithTag: Uint8Array): Uint8Array;
    hmacSha256(key: Uint8Array, data: Uint8Array): Uint8Array;
};
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