/** Predefined algorithm types */
export declare type DigestAlgorithmType = 'sha1' | 'sha224' | 'sha256' | 'sha384' | 'sha512' | 'sha512-224' | 'sha512-256' | 'sha3-224' | 'sha3-256' | 'sha3-384' | 'sha3-512' | 'shake128' | 'shake256' | 'SHA1' | 'SHA224' | 'SHA256' | 'SHA384' | 'SHA512' | 'SHA512-224' | 'SHA512-256' | 'SHA3-224' | 'SHA3-256' | 'SHA3-384' | 'SHA3-512' | 'SHAKE128' | 'SHAKE256';
export declare type EncryptionAlgorithmType = 'rsa' | 'dsa' | 'RSA' | 'DSA';
export default interface SignerObject {
    /**
     * Returns the digest algorithm used in `digestData`.
     * To use the algorithm other than defined in `DigestAlgorithmType`,
     * return an integer array of values from OID string.
     * (e.g. [1,3,14,3,2,26] for 'sha1')
     *
     * @note
     * The newer digest algorithm (including SHA224, SHA512-256, SHA3 algorithms, etc.)
     * might not be supported by Windows.
     */
    getDigestAlgorithm(): DigestAlgorithmType | number[];
    /**
     * Returns the encryption algorithm used in `encryptData`.
     * To use the algorithm other than defined in `EncryptionAlgorithmType`,
     * return an integer array of values from OID string.
     * (e.g. [1,2,840,113549,1,1,1] for 'rsa')
     */
    getEncryptionAlgorithm(): EncryptionAlgorithmType | number[];
    /**
     * Returns the certificate data, which format is DER binary (X.509 certificate data
     * or '.p7b' file data which is based on DER and contains certificates).
     *
     * You can return an `Array` (not an `ArrayLike`), which contains one or more certificates in format above.
     * In this case, each certificates are stored to signed data in order.
     * Note that this library does not sort certificates, so the implementation should have responsible for the order of certificates.
     */
    getCertificateData(): ArrayBuffer | ArrayBufferView | Array<ArrayBuffer | ArrayBufferView>;
    /**
     * Returns the public key data, which format is DER binary (X.509 Public Key or '.p7b' file data which is based on DER).
     *
     * You can return an `Array` (not an `ArrayLike`), which contains one or more public keys in format above.
     * In this case, each public keys are stored to signed data in order.
     * Note that this library does not sort public keys, so the implementation should have responsible for the order of keys.
     *
     * @deprecated This method is renamed to {@link getCertificateData} due to the actual purpose of this method
     *   and `getPublicKeyData` will no longer be used in the future.
     */
    getPublicKeyData?(): ArrayBuffer | ArrayBufferView | Array<ArrayBuffer | ArrayBufferView>;
    /**
     * Digests specified data. The digest algorithm type must be same as the result of `getDigestAlgorithm`.
     * Must pick all data from `dataIterator` (until `dataIterator.next().done` is `true`).
     */
    digestData(dataIterator: Iterator<ArrayBuffer, void>): PromiseLike<ArrayBuffer | ArrayBufferView>;
    /**
     * Encrypts specified data with **private key** (i.e. can be verified with the public key from `getCertificateData`). The private key type (algorithm) must be same as the result of `getEncryptionAlgorithm`.
     * Must pick all data from `dataIterator` (until `dataIterator.next().done` is `true`).
     *
     * This method must be implemented if `signData` is not implemented.
     */
    encryptData?(dataIterator: Iterator<ArrayBuffer, void>): PromiseLike<ArrayBuffer | ArrayBufferView>;
    /**
     * Signs specified data with **private key** (i.e. can be verified with the public key from `getCertificateData`).
     * The private key type (algorithm) must be same as the result of `getEncryptionAlgorithm`, and the digest algorithm must be same as the result of `getDigestAlgorithm`.
     * Must pick all data from `dataIterator` (until `dataIterator.next().done` is `true`).
     *
     * This method must be implemented if `encryptData` is not implemented.
     *
     * Note that even if `signData` is implemented, `digestData` must be implemented.
     */
    signData?(dataIterator: Iterator<ArrayBuffer, void>): PromiseLike<ArrayBuffer | ArrayBufferView>;
    /**
     * Make 'timestamp' data, generated by TSA, from specified data (omit this method if not using timestamp).
     * Must return entire timestamp response data.
     * @param reqData timestamp request data (`TimeStampReq`) to send to TSA
     */
    timestampData?(reqData: ArrayBuffer): PromiseLike<ArrayBuffer | ArrayBufferView>;
}