ashcrypt/dist/types/index.ts

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// Generated by dts-bundle-generator v9.5.1

import { CipherGCMTypes } from 'crypto';
import { WriteStream } from 'fs';
import { Transform } from 'stream';

export declare abstract class BaseAlgorithm {
	readonly name: string;
	readonly chunkSize: number;
	constructor({ name, chunkSize }: AlgorithmOptions);
	abstract getChunkSize(baseChunkSize: number): number;
	abstract encrypt(buffer: Buffer<ArrayBufferLike>): Promise<Buffer<ArrayBuffer>>;
	abstract decrypt(cipher: Buffer<ArrayBufferLike>): Promise<Buffer<ArrayBuffer>>;
}
export declare class AES extends BaseAlgorithm {
	readonly IV_LENGTH: number;
	readonly TAG_LENGTH: number;
	readonly SALT_LENGTH: number;
	readonly TAG_POSITION: number;
	readonly ENCRYPTED_POSITION: number;
	readonly KEYLEN: number;
	readonly HASH: string;
	readonly algorithm: CipherGCMTypes;
	private readonly secret;
	readonly iterations: number;
	constructor({ secret, chunkSize, algorithm, iterations }: AESOptions);
	getKey(salt: Buffer): Promise<Buffer<ArrayBufferLike> | Error>;
	getChunkSize(baseChunkSize: number): number;
	encrypt(buffer: Buffer<ArrayBufferLike>): Promise<Buffer<ArrayBuffer>>;
	decrypt(cipher: Buffer<ArrayBufferLike>): Promise<Buffer<ArrayBuffer>>;
}
export declare class Stream<Algorithm extends BaseAlgorithm> {
	readonly algorithm: Algorithm;
	readonly parallel: number;
	constructor({ algorithm, maxParallel }: StreamOptions<Algorithm>);
	/**
	 * Creates a Transform stream for encryption/decryption with proper chunk sizes
	 */
	create(type: "decrypt" | "encrypt"): Transform;
	/**
	 * Reads an encrypted file and returns a decrypted stream
	 */
	read(path: string, type: "decrypt" | "encrypt"): Transform;
	/**
	 * Returns a Transform stream that encrypts data and writes to the specified path
	 */
	write(path: string): WriteStream;
}
export type AESOptions = {
	secret: string;
	chunkSize?: number;
	algorithm?: CipherGCMTypes;
	iterations?: number;
};
export type AlgorithmOptions = {
	name: string;
	chunkSize: number;
};
export type StreamOptions<Algorithm extends BaseAlgorithm> = {
	algorithm: Algorithm;
	maxParallel?: number;
};

export {};