https://github.com/monich/harbour-foilpics

Picture encryption application for Sailfish OS
https://github.com/monich/harbour-foilpics

aes-encryption encrypted-pictures encryption picture privacy rsa-encryption sailfish-os sailfishos security

Last synced: 6 months ago
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Picture encryption application for Sailfish OS

• Host: GitHub
• URL: https://github.com/monich/harbour-foilpics
• Owner: monich
• License: other
• Created: 2017-11-30T11:03:32.000Z (over 8 years ago)
• Default Branch: master
• Last Pushed: 2025-06-22T23:33:14.000Z (12 months ago)
• Last Synced: 2025-06-23T00:30:35.448Z (12 months ago)
• Topics: aes-encryption, encrypted-pictures, encryption, picture, privacy, rsa-encryption, sailfish-os, sailfishos, security
• Language: C++
• Homepage: https://openrepos.net/content/slava/foil-pics
• Size: 563 KB
• Stars: 10
• Watchers: 5
• Forks: 10
• Open Issues: 2
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
## Picture encryption application for Sailfish OS

![icon](icons/86x86/harbour-foilpics.png)

**Foil Pics** allows you to encrypt some pictures from the gallery

with a password stronger than the lock code. Strictly speaking, each

picture is encrypted with a unique random 256-bit AES key which in

turn is encrypted with an RSA key which in turn is encrypted with

your password. If the bad guys get your encrypted pictures, they

would have to crack the AES key (different for each picture) or the

RSA key (shared by all pictures but harder to crack) in order to

extract the content. If they get the encrypted RSA key as well, then

they can brute force your password. So in the end, the encryption

is as strong as your password.

The format of the encrypted file is described

[here](https://github.com/monich/foil/blob/master/libfoilmsg/README).