import { Algorithm, ErrorCode, KeyPair, PqcError, PublicKey, SecretKey, Signature } from "./types";
export { Algorithm, ErrorCode, KeyPair, PqcError, PublicKey, SecretKey, Signature, };
/**
 * Get the public key size for an algorithm
 *
 * @param algorithm - The algorithm identifier
 * @returns The public key size in bytes
 */
export declare function publicKeySize(algorithm: Algorithm): number;
/**
 * Get the secret key size for an algorithm
 *
 * @param algorithm - The algorithm identifier
 * @returns The secret key size in bytes
 */
export declare function secretKeySize(algorithm: Algorithm): number;
/**
 * Get the signature size for an algorithm
 *
 * @param algorithm - The algorithm identifier
 * @returns The signature size in bytes
 */
export declare function signatureSize(algorithm: Algorithm): number;
/**
 * Generate a key pair for the specified algorithm
 *
 * @param algorithm - The PQC algorithm to use
 * @param randomData - Random bytes for key generation (must be at least 128 bytes)
 * @returns A new key pair
 * @throws {PqcError} If key generation fails
 */
export declare function generateKeyPair(algorithm: Algorithm, randomData: Uint8Array): KeyPair;
/**
 * Sign a message using the specified secret key
 *
 * @param secretKey - The secret key to sign with
 * @param message - The message to sign
 * @returns A signature
 * @throws {PqcError} If signing fails
 */
export declare function sign(secretKey: SecretKey, message: Uint8Array): Signature;
/**
 * Verify a signature using the specified public key
 *
 * @param publicKey - The public key to verify with
 * @param message - The message that was signed
 * @param signature - The signature to verify
 * @returns {void}
 * @throws {PqcError} If verification fails
 */
export declare function verify(publicKey: PublicKey, message: Uint8Array, signature: Signature | Uint8Array): void;