Kryptochat - Secure Messaging

Kryptochat is a secure messaging app based on military-grade encryption.

The available features are:
Encrypted One-to-One Messaging
Encrypted Group Messaging
Encrypted Audio Messages
Audio, Video, File Transfer
GPS Location Sharing
Encrypted Voice Calls (*)
Encrypted Video Calls One-to-One(*)
Encrypted Audio Conferencing One-to-Many (*)

Kryptochat uses a military-grade encryption of the level RSA 8192 bit for asymmetric encryption, AES 256-bit algorithm for symmetric encryption and SHA-512 for signature algorithm.

Kryptochat also uses protocols like Transport Layer Security (TLS), Off The Record (OTR) Protocol for chat, ZRTP for VOICE, and other security features like certificate pinning on dedicated Certification Authority.

The app does not access to your contacts list, it keeps a dedicated directory in its encrypted storage.

(*) it does need "Kryptotel - Secure Voip" installed.
Kryptochat是基於軍用級加密的安全郵件應用程序。

可用的功能有：
加密1對一個消息
加密集團消息
加密的音頻信息
音頻，視頻，文件傳輸
GPS位置信息分享
加密語音呼叫（*）
加密的視頻電話一來一（*）
加密的音頻會議一到多（*）

Kryptochat使用RSA級位8192的軍用級加密非對稱加密，對稱加密和SHA-512的簽名算法AES 256位算法。

Kryptochat還使用像傳輸層安全（TLS），關閉記錄（OTR）協議聊天，ZRTP對於語音和其他安全功能，如證書寄託在專門的證書頒發機構的協議。

該應用程序不會訪問到您的聯繫人列表，它保持在其加密存儲專用目錄。

（*），它確實需要“Kryptotel - 安全的VoIP”安裝。