Copiosus

Verbosus.com 無料 iPhone / iPad対応ソーシャルネットワーキングユーティリティ 64bit

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iPhone
iPad

Verbosus.comのソーシャルアプリ

「Copiosus」は、Verbosus.comが配信するソーシャルアプリです。

ソーシャルネットワーキングユーティリティ

このアプリの話題とニュース

新バージョン1.4.4が配信開始。新機能や改善アップデートがされています。(8/8)
2019年8月16日(金)にiPhoneとiPad両対応のユニバーサルアプリとしてリリース！

使い方や遊び方

Copiosus is just another P2P chat application.

This software is provided "as is" without warranties or conditions of any kind, either expressed or implied.

Please download this app only if:
- You care about security.
- You don't care about a beautiful UI.
- You like to try apps other than WhatsApp and Signal.

Features:
- Send messages.
- Send files and images.
- Block users.
- Two factor authentication (MFA)
- End-to-end encryption using an asymmetric key.
- Improved end-to-end security using a security key as a second factor which encrypts data using a shared symmetric key.
- Minimal privileges required.
- No in app purchases.
- No ads.

How does end-to-end encryption work in this app:
1. Whenever you send a message M a random symmetric key R is generated
2. R is encrypted using the asymmetric (public) key of the other user resulting in A
3. M is encrypted with R resulting in N
4. If security key S is set: N is encrypted by S
5. N and A is sent to the destination