cleansend/dist/utils/crypto.d.ts

A TypeScript implementation of the OpenMsg Protocol - secure, decentralized messaging system with end-to-end encryption for cross-domain communication

import { EncryptedMessage, MessagePackage } from '../type';
/**
 * Generate random bytes
 */
export declare function generateRandomBytes(length: number): Buffer;
/**
 * Generate random hex string
 */
export declare function generateRandomHex(length: number): string;
/**
 * Generate auth code (64 chars hex)
 */
export declare function generateAuthCode(): string;
/**
 * Generate ident code (64 chars hex)
 */
export declare function generateIdentCode(): string;
/**
 * Generate message crypt key (64 chars hex)
 */
export declare function generateMessageCryptKey(): string;
/**
 * Generate message salt (32 chars hex)
 */
export declare function generateMessageSalt(): string;
/**
 * Encrypt message using AES-256-GCM
 */
export declare function encryptMessage(plaintext: string, key: string, nonce: Buffer): EncryptedMessage;
/**
 * Decrypt message using AES-256-GCM
 */
export declare function decryptMessage(encryptedData: string, key: string, nonce: string, authTag: string): string | false;
/**
 * Create message package (nonce + encrypted message)
 */
export declare function createMessagePackage(plaintext: string, key: string): MessagePackage;
/**
 * Decrypt message package
 */
export declare function decryptMessagePackage(packageBase64: string, key: string): string | false;
/**
 * Create SHA256 hash
 */
export declare function createHash(data: string): string;
/**
 * Create message hash
 */
export declare function createMessageHash(messagePackage: string, authCode: string, messageSalt: string, messageTimestamp: number | string): string;
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