/**
 * Encrypts data using the Counter with Advance Cryptographic Prolongation of Key Material (CTR-ACPKM) mode with Kuznyechik cipher
 * @param key Encryption key
 * @param data Data to be encrypted
 * @param iv Initialization vector
 * @returns {Uint8Array}
 */
export declare const encryptCTR_ACPKM: (key: Uint8Array, data: Uint8Array, iv: Uint8Array) => Uint8Array;
/**
 * Decrypts data using the Counter with Advance Cryptographic Prolongation of Key Material (CTR-ACPKM) mode with Kuznyechik cipher
 * @param key Encryption key
 * @param data Data to be decrypted
 * @param iv Initialization vector
 * @returns {Uint8Array}
 */
export declare const decryptCTR_ACPKM: (key: Uint8Array, data: Uint8Array, iv: Uint8Array) => Uint8Array;
/**
 * ACPKM key derivation
 * @param key Encryption key
 */
export declare const acpkmDerivation: (key: Uint8Array) => Uint8Array;
/**
 * ACPKM master key derivation
 * @param key Encryption key
 * @param keySize Length of key material
 */
export declare const acpkmDerivationMaster: (key: Uint8Array, keySize: number) => Uint8Array;
/**
 * Compute MAC with Advance Cryptographic Prolongation of Key Material (OMAC-ACPKM) with Kuznyechik cipher
 * @param key Encryption key
 * @param data Input data
 */
export declare const omac_ACPKM: (key: Uint8Array, data: Uint8Array) => Uint8Array;