| Developer: | Ultra Horizon Ltd (3) | ||
| Price: | Free | ||
| Rankings: | 0 | ||
| Reviews: | 0 Write a Review | ||
| Lists: | 0 + 0 | ||
| Points: | 0 + 0 ¡ | ||
| App Store | |||
Description
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How it works:
After opening the app, your device will generate a unique set of cryptographic keys that is used to securely communicate with others.
To communicate, you will need to meet up with another user in person and verify each other's identity, and then scan each other's code to exchange public keys and add one another to your respective contact lists.
For your privacy and security, you can only receive messages or calls from users that are in your contacts list. If you are not in possession of a public key for a particular user, you cannot receive their messages or call requests, eliminating unknown spam and/or malicious messages.
Enjoy communicating securely within your own private group of trusted contact by exchanging keys in person!
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Cryptography and Privacy details:
- The app uses X25519 and Ed25519 keys for your own identity.
- Authenticated HPKE is used to generate a unique symmetric key every time you send a message via X25519 with SHA256 as an encapsulation mechanism and SHA384 for key derivation.
- Messages and calls are end-to-end encrypted using the ChaCha20-Poly1305 AEAD cipher.
- Dead Drop has no knowledge of who you are communicating with, or what is being sent between devices.
- Dead Drop's servers act as a Dead Drop location, where your encrypted messages can be left for the other device to pick up within 30 days. Once retrieved, the message or attachment is deleted from our servers, with no logs retained. If a message or attachment is not retrieved from Dead Drop's servers before the 30 day expiry, it will be deleted permanently, again with no logs left over.
- You can be added into groups with people that are not on your contact list, but only by trusted people in your contact list.
- Notifications delivered to Apple's Push Notification Servers contain no private or identifiable information regarding who your notification is from, or what it is about.
Screenshots
What's new
- Version: 1.4.22
- Updated:
- This version of Dead Drop:
- Adds the ability to forward messages and files between chats.
- Hides sensitive content from screenshots and screen recordings. A notification will be sent to the open chat if you attempt to take a screenshot.
- Adds a long-press option to mute and unmute chats from the Messages tab.
- Includes other minor bug fixes and improvements.
Price
- Today: Free
- Minimum: Free
- Maximum: Free
Track prices
Developer
- Ultra Horizon Ltd
- Platforms: Android Apps (1) iOS Apps (1) macOS Apps (1)
- Lists: 0 + 0
- Points: 3 + 4 ¡
- Rankings: 0
- Reviews: 0
- Discounts: 0
- Videos: 0
- RSS: Subscribe
Points
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Rankings
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Lists
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Reviews
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Additional Information
- Version: 1.4.22
- ID: io.ddrop.ios
- Category:
iOS Apps›Social Networking - OS:
iPad,iPhone,iOS 17.0 and up - Size:
27 Mb - Supported Languages:
English - Content Rating:
4+ - App Store Rating:
0 - Updated:
- Release Date:
«Dead Drop» is a Social Networking app for iOS, developed by «Ultra Horizon Ltd». It was first released on and last updated on . This app is currently free to download. This app has not yet received any ratings or reviews on AppAgg. Available languages: English. AppAgg continuously tracks the price history, ratings, and user feedback for «Dead Drop». Subscribe to this app or follow its RSS feed to get notified about future discounts or updates.
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