/**
 * rsa.js
 */
import { HashTypes, JsonWebKeyPair, ModulusLength, RSASignAlgorithm } from './typedef';
/**
 * Generate RSA public/private key pair.
 * @param {Number} [modulusLength=2048] - Modulus length in bits, i.e., n.
 * @param {Uint8Array} [publicExponent=new Uint8Array([0x01, 0x00, 0x01])] - Public exponent, i.e, e.
 * @return {Promise<{publicKey: JsonWebKey, privateKey: JsonWebKey}>}
 * @throws {Error} - Throws if UnsupportedEnvironment.
 */
export declare const generateKey: (modulusLength?: ModulusLength, publicExponent?: Uint8Array) => Promise<JsonWebKeyPair>;
/**
 * RSA signing via RSA-PSS or RSASSA-PKCS1-v1_5.
 * @param {Uint8Array} msg - Byte array of message to be signed.
 * @param {JsonWebKey} privateJwk - Private key for signing in JWK format.
 * @param {String} [hash='SHA-256'] - Name of hash algorithm like 'SHA-256'.
 * @param {RSASignAlgorithm} [algorithm={name: 'RSA-PSS', saltLength: params.hashes[hash].hashSize}] - Object to specify algorithm parameters.
 * @return {Promise<Uint8Array>} - Byte array of raw signature.
 * @throws {Error} - Throws if UnsupportedEnvironment.
 */
export declare const sign: (msg: Uint8Array, privateJwk: JsonWebKey, hash?: HashTypes, algorithm?: RSASignAlgorithm) => Promise<Uint8Array>;
/**
 * Verification of RSA signature via RSA-PSS or RSASSA-PKCS1-v1_5.
 * @param {Uint8Array} msg - Byte array of message signed.
 * @param {Uint8Array} signature - Byte array of raw signature.
 * @param {JsonWebKey} publicJwk - public key for signing in JWK format.
 * @param {String} [hash='SHA-256'] - Name of hash algorithm like 'SHA-256'.
 * @param {RSASignAlgorithm} [algorithm={name: 'RSA-PSS', saltLength: params.hashes[hash].hashSize}] - Object to specify algorithm parameters.
 * @return {Promise<boolean>} - Result of verification.
 * @throws {Error} - Throws if InvalidSignatureFormat, or UnsupportedEnvironment.
 */
export declare const verify: (msg: Uint8Array, signature: Uint8Array, publicJwk: JsonWebKey, hash?: HashTypes, algorithm?: RSASignAlgorithm) => Promise<boolean>;
/**
 * RSA-OAEP Encryption
 * @param {Uint8Array} msg - Byte array of message to be encrypted.
 * @param {JsonWebKey} publicJwk - Public/Private key in JWK format.
 * @param {String} [hash='SHA-256'] - Name of hash algorithm like 'SHA-256'
 * @param {Uint8Array} [label=new Uint8Array([])] - RSA-OAEP label.
 * @return {Promise<Uint8Array>} - Encrypted message.
 * @throws {Error} - Throws if UnsupportedEnvironment.
 */
export declare const encrypt: (msg: Uint8Array, publicJwk: JsonWebKey, hash?: HashTypes, label?: Uint8Array) => Promise<Uint8Array>;
/**
 * RSA-OAEP Decryption.
 * @param {Uint8Array} data - Byte array of encrypted message to be decrypted.
 * @param {JsonWebKey} privateJwk - Private key in JWK format.
 * @param {String} [hash='SHA-256'] - Name of hash algorithm like 'SHA-256'
 * @param {Uint8Array} [label=new Uint8Array([])] - RSA-OAEP label.
 * @return {Promise<Uint8Array>} - Decrypted message.
 * @throws {Error} - Throws if UnsupportedEnvironment.
 */
export declare const decrypt: (data: Uint8Array, privateJwk: JsonWebKey, hash?: HashTypes, label?: Uint8Array) => Promise<Uint8Array>;