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ID: com.seecrypt.sc3

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The description of Seecrypt

Seecrypt enables security for communications that exceeds the standards for US Top Secret and incorporates Post-Quantum Protection.

Secure Instant Messaging
Seecrypt provides secure instant messaging with the ability to send photos, videos, voice notes, and large files of any kind. All messages and files are end-to-end encrypted with a new key generated for every message or file sent. Seecrypt’s enhanced Data at Rest encryption protects all files and media stored within the app.​

Group messaging for collaboration and file-sharing can be created locally by the user on their device.

Secure Voice and Video Calls
Seecrypt voice and video calls are fully encrypted end-to-end and routed through the mobile device’s data connection with signal obfuscation. Advanced codecs ensure HD quality with minimal data and battery use, even across low-bandwidth mobile or wireless networks.

Secure calls can be made over any IP-based network, including 5G, 4G/LTE, 3G/HSDPA, 2G/EDGE, WiFi, and satellite networks, with full authentication of all parties on a call to eliminate the risks of impersonation through Caller ID spoofing.

Secure Conference Calls
A conference bridge can be established instantly from the Seecrypt app by creating a group of contacts and hitting the call button. With only mutually authenticated, authorized users, Seecrypt conference calls eliminate the need for participant PINs and passwords.

Works on Any Device
Seecrypt can be downloaded instantly for immediate use with no additional hardware dependencies.

The ability to work anywhere, from any device, with file sharing, messaging, and voice/video calling, allows users to collaborate instantly and securely.

End-to-End Encryption
Seecrypt uses double-layer encryption in an end-to-end configuration, with a new key for every call and message. The system is modular and adheres to best practice cryptographic standards/protocols, powered by a crypto core that is FIPS 140-2 compliant. With Seecrypt, data is secured end-to-end using Elliptic Curve and Symmetric-Key Cryptography.

For post-quantum protection, the underlying cryptography is overlaid with Supersingular Isogeny Diffie-Hellman Key Exchange (SIDH 751) for voice and video and Supersingular Isogeny Key Encapsulation (SIKE 751) for messaging and files.

For more information, please visit or contact [email protected] for further assistance.
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Seecrypt 4.35.7 APK for Android 6.0+

Version 4.35.7 for Android 6.0+
Update on 2022-07-31
Installs 50.000++
File size 22.310.693 bytes
Permissions view permissions
What's new What's new

- Reorganized settings categories
- Introducing Call Rating
- Updated conversation screen
- Added checkbox to message selection mode
- Updated onboarding screens, EULA, Privacy Policy and FAQ

Bug fixes

- Fixed default profile picture letter color on the messaging screen
- Fixed low contrast status bar during calls
- Fixed link color in outgoing/incoming bubble
- Fixed conversations with new messages now appear correctly at the top of the chats hub
- General stability improvements

Versions history:

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