Questions tagged [encryption]

Use this tag if you require the software to support encryption.

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Tool to decrypt Sookasa files

Does anyone have a tool that can decrypt .sookasa files? I had a Sookasa account many years ago integrated with Dropbox and during that time, a folder was deleted in an unrecoverable way. After that, ...
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Need a recommendation on a C++ library for file encryption

What would be a recommended library to use for file encryption in C++? I am looking for a standard up-to-date data encryption. The file-encryption will be based on a password. Searching the web I came ...
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How to encrypt a directory so that it could be decrypted from Mac, Windows, and GNU/Linux

How to encrypt a directory so that it could be decrypted from Mac, Windows, and GNU/Linux? Preferably it could be used as a regular folder while ulocked.
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Free encrypted cloud backup which can transfer only changed files

I'm looking for a way to back up my data on someone else's computer for free. I'm using Arch Linux. I currently have a 40+GB directory I want to backup somewhere. I've been using rclone with an ...
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If I have a pdf and a password protected copy of a pdf with identical data, can I reverse engineer the password?

Basically just the title. Given an encrypted form of a file, can the unencrypted file be used to reverse engineer the password/method of encryption, and is there and software that can do that?
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Mac keep password protected encrypted files

I need Mac software to keep password-protected encrypted files. I want to be able to decrypt the folder every time I need to access the files.
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Tool to automatically encrypt contents of a single folder on a volume (Windows)

Please recommend tools that will encrypt the contents of a single folder on a single NTFS volume in Windows 7. To be clear, the utility must automatically encrypt any data saved/moved into the ...
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Full disk encryption after installation of the operating system

I am looking for a tool that automatically deploys full-disk-encryption on hosts with pre-installed operating systems. Must work with Linux/gpt. User should be able to decrypt the system via ...
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How to play ffmpeg encrypted mp4 file on Android? Is there any android app to play ffmpeg encrypted video?

I use the below command on Windows to encrypt my video ffmpeg -i SampleVideo_1280x720_1mb.mp4 -vcodec copy -acodec copy -encryption_scheme cenc-aes-ctr -encryption_key 76a6c65c5ea762046bd749a2e632ccbb ...
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Open source android application for file storage?

Is there an open source Android application for photo/video file storage that have password? App should keep selected files in "vault" what mean file is encrypted, absorbed by app and ...
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Does an encrypted QR reader Android app exist that uses public/private keys?

One of the ways I quickly copy small texts from my computer to my Android phone is through a QR code generator. I pipe the clipboard text into my QR code generator on my computer, then I scan the QR ...
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Partition cloner/backupper that supports encrypted partitions

Most Partition backup software don't support encrypted HDD partitions, like for example PS3 or PS4 encrypted HDDs. I've tried Easeus, Aomei, Macrium, Paragon,... There was only one tool called HDD Raw ...
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Data privacy on shared external HDD

I have a shared external HDD with my family and want to encrypt/secure my data. Now we already have a software that password protects the overall hard drive but once the HDD is accessed, all folders ...
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Software to archive, organize and search for personal documents like invoices, bills, contracts etc

I am looking for a solution to put my scanned / photographed paper documents like invoices, bills, and already digital documents like pdfs, emails etc. int a folder on my local hard disk / NAS and be ...
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Best option for secure cloud file sync

I would like to sync my files, as dropbox does for example. However, I want my files to be very secure. The main things I want are for it to be secure, 'just work' without hassle, and reasonably fast. ...
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Sharing an encrypted file between Windows and Android

I'm looking for a way to share a very sensitive document between Windows (read and write access) and Android (read access at least, writing appreciated but not immediately necessary). What I ...
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Encrypted P2P Git Repository Synchronization

I am looking for a solution that will allow me to keep a Git repository in sync between my two workstations and my Android smartphone. My workstations turn on and off on a regular basis, and they are ...
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Is there a python cryptographic libraries like the MIRACL library?

MIRACL (Multiprecision Integer and Rational Arithmetic C/C++ Library) is a famous library used most of the time for implementing number-theoretic based methods of cryptography. I don't know how to ...
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Best way to encrypt a text file in ubuntu (and possibly Android)

I am currently using a simple 7zip archive that I open with Gnome Archive Manager, and that level of encryption would be fine for my needs, but Gnome Archive Manager does copy the file to the temp ...
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Is there any software that can decode big QR code?

As you can see at Wikipedia, QR codes can be much bigger than usually they are. By enlarging the QR, one can insert more data into them. For instance, version 40 allows to encode up to 20 MB. I have ...
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Utility to change password of ZIP compressed & encyrpted files

Please recommend a gratis Windows tool that will allow me to change the password of existing ZIP compressed archive files. I don't need a "cracking" tool. I know the existing password. I ...
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Can I transfer a file larger than 4096 MB anywhere in the world using uTorrent safely and securely?

I want to send a file larger than 4096 Megabytes or 4 Gigabytes to anywhere in the world. It's a huge file. I know I can seed the file using uTorrent. And the person receiving the file can have a link ...
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Encrypting a File per IP address

I am looking for software that can encrypt the file per IP Address or Key? Example: songs.mp4 is the file songs.mp4 is downloaded to my mobile phone Note: the used mobile can only access or open the ...
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Open-source symmetric encryption software with own key management

I'm looking for an open-source encryption software that uses one or more symmetric encryption algorithms like AES. It should also be possible to use a hash algorithm for data consistency. I would also ...
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Which archive format is streamable and can encrypt the filenames too?

For example Zip is streamable or pipeable (at least the Linux version), but can not encrypt the filenames, only the data. 7zip and Rar are non streamable, eg it is impossible to pipe the compressed ...
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Can you recommend a command line JavaScript interpreter?

I would like to try out an AES encryption facility: https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.2/rollups/aes.js But without using a browser, with a command line tool, if it exists at all. ...
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Simple, graphical Public / Private Key and RSA Keys Tool for Mac or Windows?

I'm looking for a simple GUI tool for Mac or Windows (ideally both) which makes working with keypairs easy. For example: Generate a public key, describe a key file, determine if a public and private ...
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Software to encrypt videos to a format viewable in browsers on Mac, Windows 10, iOS 12, and Android

Using a PHP library that relies on ffmpeg, I was able to encrypt a bunch of videos (mostly mp4 but not all) to HLS m3u8 playlists of encrypted fragments. Using https://github.com/video-dev/hls.js, my ...
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Linux tool to anonymize captured data packets for commercial use according to GDPR

I am working on a project where I have to identify anomalies in network traffic of business networks with machine learning. The algorithm is feeded with captured network packets from inside of the ...
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Browser-based end-to-end encrypted calls without registration

I am looking for a browser-based solution to make end-to-end encrypted calls without having to register (as in verify an email, sms, oauth etc.). From what I understand this could be accomplished ...
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Encrypted notepad

Is there a lightweight notepad program that: saves files encrypted with a password asks for the password on Open doesn't ask for the password on Save (since it's already open, no need to re-enter the ...
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Modern alternative to GnuPG for symmetric encryption on Linux

I'm looking for an alternative to GnuPG for symmetric encryption. Specifically, I want to encrypt short, secret files using a passphrase using Linux, and have them secured against modern attacks, such ...
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What sofware to encrypt whole drives, Google drive folder, keeping access on Android and good performances?

I would like to encrypt my drives and data on Windows 10, but I need some recommendation to use the appropriate software(s). On my system drive, I have the "Backup and sync" Google software and the ...
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Is there some libraries or implement of GSW13 homomorphic encryption?

I am doing research related to homomorphic encryption and need to implement the third generation homomorphic encryption proposed in GSW13Homomorphic Encryption from Learning with Errors: Conceptually-...
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Notepad with Encryption

Is there a program with which I can create new text file, set password for it and every time I want to open it, I need to write correct password or otherwise file will not open and remain encrypted. ...
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Encrypted To-Do app?

Looking for a To-Do app recommendation with following capabilities: Encrypted (at rest). Open-source. Mobile app. Web app or Windows desktop app. File attachment. Free basic version. Thank you.
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RSA/ECB/OAEPWithSHA-256AndMGF1Padding in Ruby

Any thoughts on the best approach to decrypt a value encrypted with RSA/ECB/OAEPWithSHA-256AndMGF1Padding encryption in Ruby? Or general steps?
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Credit Card encryption techniques available and recommended libraries in java

Looking for some great Java libraries to encrypt the credit card information. Also the available encryption techniques available.
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What software can I use to encrypt all files that are copied out of a system?

What software can I use to encrypt all files that are copied out of the system(USB, network, email,...) such that only systems with the same encryption will be able to read the files. OS is Windows.
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is there any encryption software for HDD servers?

I am working in a company which they want to encrypt they entire hard disk if someone wants to pulls it out from server. I searched a lot about windows bit-locker or some alternative software's but ...
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Simple command-line utility for encryption and decryption for Windows XP

I am looking for a very simple easy-to-use stand-alone command-line .exe file for DOS which can do the following three things: Generate a very secure public-secret key pair. Encrypt a text string ...
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Any way to protect a PDF with AES-256 for free?

Adobe offers a 7-days trial of its Acrobat Pro. It's technically free but not terribly useful in the long run. LibreOffice can export a file as PDF, but only with 128-bit RC4 encryption. Obsolete. ...
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Elliptic Curve Cryptography with Python on Windows

I'm looking for a way to generate keys for asymmetric cryptography via elliptic curves in Python, but all packages I was able to find only support Unix systems. Does anyone know a package that works ...
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What Windows tools can access and decrypt Mac hard drives?

In my project, I have some encrypted Mac hard drives (apfs), and I am required to access the data from some Windows 10 machine. I tried to use HFSexplorer to extract all possible partitions. But most ...
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Looking for cloud- or Unix-based open-source tools that support long-term enterprise-wide key/passphrase management and provide a programmatic API

My question really is: how does an enterprise (a small ~150-employee company) manage the passphrases and encryption keys used at the time of encrypting a large volume of data, when such encrypted data ...
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Looking for C library to program a simple encryption/decryption task by non-cryptographer

I have been trying to implement a high-volume symmetric (AES256) encryption/decryption pipeline for files on disk. Originally, I tried to do this by having scripts call command-line tools such as ...
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Are there any alternatives to tomb?

I mean this tomb. My web browser throws a warning for their security certificate (unknown issuer) and judging by their github page, it's not developed too actively. Are there any alternatives that ...
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Password-Protect file attributes

Problem: We have internal environments with several configuration files, accessed by numerous people. We must ensure specific peoples are able to access the file for EDITING while being able to view ...
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portable veracrypt (alternative) without Admin-Privilege needs? [duplicate]

I was looking for longer for a VeraCrypt / Alternative to encrypt my ThumbDrive in my Schools-Computers. Basicly i have no admin rights there. Is there any alternative wich isn't a workaround - like a ...
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Open source libraries for asymmetric encryption for Android and iOS

I'm looking for open-source libraries for both Android and iOS (Swift) to help implement Asymmetric key encryption. I have the public Key and the library should help with AES-128 (data encryption) and ...
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