Questions tagged [encryption]

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

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85
votes
13answers
20k views

Alternatives to TrueCrypt?

With the advent of TrueCrypt appearing to have been abandoned, what are my options for whole disk encryption going forward? I'm looking for options that will work with Linux distros as well as ...
21
votes
3answers
298 views

Secure cross-platform instant messaging software

What is secure - as in confidentiality of message contents - instant messaging software with at least following features: No need to setup (and maintain) my own server Support for Windows, OS X and ...
15
votes
3answers
4k views

Portable encryption for USB flash drives

I believe this is a more specific question than Alternatives to TrueCrypt? with different answers. I have USB flash drives which I carry around and use on various computers at work and at home. I ...
12
votes
3answers
3k views

GnuPG-aware GUI to encrypt/decrypt PGP ASCII on Linux

I am looking for a Linux GUI program to encrypt/decrypt shorts texts as ASCII. Ideally it would be a text area where I could paste text then encrypt or decrypt. It should be able to sign and check ...
12
votes
2answers
1k views

What could replace TrueCrypt? [duplicate]

Now that the TrueCrypt project is over, I'm wondering what could replace it. I heard about two projects, both of them are forks of TrueCrypt: TrueCrypt.ch: This one wants to be the successor of ...
9
votes
3answers
527 views

Encrypt then sync your files to ANY cloud storage as secured offsite backup?

On a Windows computer. But if you have a solution for Linux or Mac, I am happy to hear it. I will pay money for it, as long as it works. I need a solution to encrypt and then sync all my files to ...
9
votes
0answers
597 views

Windows Encrypted Virtual Hard Drive but not Bitlocker or Truecrypt? [duplicate]

So if I want a virtual encrypted hard drive on my Windows 7 or 8 machine (i.e. an encrytped file that can be mounted like a hard drive) generally I would have used TrueCrypt for that. However it seems ...
8
votes
4answers
5k views

End-to-end encrypted calendar software

I am looking for either an online service or an open-source program installed locally which would support end-to-end encryption and allow me to store calendar entries which only I would have access ...
8
votes
2answers
336 views

Cross platform disk encryption solution without admin privileges

I am looking for a cross platform (OS X 10.10 + Windows 7) encryption solution which can fully encrypt, decrypt and modify a USB disk (full disk encryption). Truecrypt does this, but you need admin ...
7
votes
2answers
143 views

Software which can decrypt into 2 different files depending on the password?

Say I want to hide a PDF file "A". I have with me a picture of a cat "B". I want software which can take both files as input and "encrypt" them to form "C" in some way such that: If someone asks me ...
6
votes
3answers
110 views

Browser extension for OpenPGP decryption of an e-mail in Gmail

I sometimes received emails on Gmail that people encrypted using my OpenPGP public key. I am looking for a browser extension that can: decrypt e-mails in Gmail using my OpenPGP private key (e.g. ...
6
votes
1answer
214 views

bare metal crypto library

I am writing an application that will be run on bare metal, i.e. it will not run on a kernel and therefore cannot invoke system calls. There will also be no C runtime. Is there a crypto library I can ...
6
votes
1answer
86 views

Online password storage with roles and permissions?

I would like to provide a team of developers a way to share passwords to collectively used services. Software requirements: Since the team is distributed, the passwords should be accessible via web....
5
votes
3answers
963 views

Client-side encryption for cloud storage

I'm looking for client-side encryption software for Windows 10, that can be used for any cloud storage service (Dropbox, OneDrive, Google Drive etc.). I used to use BoxCryptor Classic, but that doesn'...
5
votes
2answers
1k views

Is there a symmetric encryption GUI available for Ubuntu/Linux?

I’m searching for an easy to use symmetric encryption tool with a GUI or, even better, one that has the possibility to be added to the file browser's context menu. Gnome already ships a encryption GUI ...
5
votes
2answers
162 views

On-the-fly encryption solution for external drive

I am looking to create an external drive with important information and would like to encrypt this drive as well. I would need to have a software that would allow me to view and run files inside the ...
5
votes
3answers
2k views

Encrypted backup software for Windows

I'm looking for a software like Duplicity but for Windows - here is a basic list of features : After the initial backup, transfer only changed files (or even better, only transfer the changes, but ...
5
votes
1answer
79 views

Software to password protect hard disk

I've just bought a 4T 2.5 inch Seagate external hard disk. Can anyone recommend which software is good to password protect the disk and encrypt data? I am looking for a free software. I use both ...
5
votes
1answer
102 views

Data encryption software

We are in need of a software capable of encrypting data with AES-256 to store it in the cloud. The problem is that I need a solution to work on Windows, Linux and OS X. Previously for Windows we have ...
5
votes
0answers
114 views

Tool for Cryptographic Message Syntax

I am looking for a software tool (preferably command line, open source and running on Linux) which is able to comprehensively handle the Cryptographic Message Syntax (CMS) standard (formerly known as ...
4
votes
2answers
492 views

Asymmetric encryption software for Windows

I am looking for a desktop application that is easy to use and can run without Administrator privileges for Windows 10/8/7/Visa/XP etc. I should be able to encrypt files using a public key and then ...
4
votes
1answer
163 views

Alternative to UnRAR.dll

I have a RAR file that I password protected 10+ years ago and (you guessed it) can't remember the password now. What I do remember is the possible pieces of that password so I created a dictionary ...
4
votes
2answers
125 views

Encrypted and password-protected folder on Windows 10

I want to have a personal folder on my office desktop secured by a password. What is the most reliable and convenient option? I found these two: Having a 7z archive with encrypted file names. But an ...
4
votes
1answer
114 views

WPA Wifi Non-Security Audit

I'm trying to audit a home wifi LAN without the use of the router, which is provided by the ISP and does not have sufficient end-user functionality. It seems the word audit is most often used to mean ...
4
votes
1answer
2k views

Encrypted personal diary for android

I'm looking for an application for keeping a personal diary on my Android phone. My requirements: All data is encrypted so that only I can access the content. It's open-source (I have higher trust to ...
4
votes
0answers
76 views

Is there (free) software than decrypts a single file on Windows and Android?

So, I have a document that I frequently access and update using VeraCrypt. I can access the document on multiple PCs by putting the VeraCrypt file in my Google Drive account. However, I can't access ...
4
votes
0answers
351 views

Full disk/OS encryption solution working on UEFI/GPT-based Windows machines

Truecrypt has been discontinued (but I don't think it worked on UEFI/GPT systems anyway) and VeraCrypt does not support UEFI/GPT. Do you know any (preferably opensource, but closed source is ...
4
votes
0answers
41 views

Whole disk encryption on a tablet (that has no pre-boot keyboard)

I am researching methods to encrypt whole disk on tablet. I would like to encrypt my tablet that comes with Dual Boot OS, with pre-installed Windows 10 Home and Android 5.1. Let's start with what ...
4
votes
0answers
265 views

How to encrypt the content of a directory on the fly?

What I am looking for: I would like to have something like a 'file-level' encrypted file-system but working in the reverse: The files would be stored in clear on the disk but when accessed via a '...
4
votes
0answers
125 views

A software that can encrypt contents of a USB flash drive [duplicate]

I have 3 remote site; each with a Windows workstation that is collecting data and writing it to a USB flash drive. Every week, a computer operator will rotate the USB flash drive and courier the ...
3
votes
1answer
4k views

Crossplatform encrypted file container alt for TrueCrypt?

I use a TrueCrypt volume on a USB device to move a corpus of confidential files between a Mac OS 10.6.8 machine and a Win XP machine (both directions). I have been using TrueCrypt 7.1a. What if any ...
3
votes
1answer
72 views

Git files encryption to protect the source code from theft

I am using Git and have the following problem: In the company where I work you now want to protect the source code from theft. So if for some reason a developer lets the source code of a project go ...
3
votes
1answer
57 views

What software could deny access to a USB Drive, with an encryption password?

I'm looking for software free or paid which would enable: Upon connection of a USB drive protected by this software, require a correct password to be entered. And if the password entered is incorrect,...
3
votes
2answers
10k views

Is there a lightweight library that can perform RSA-2048 encryption for an embedded application?

I'm looking for a C/C++ implementation of RSA with a 2048 bit key (preferably read from a file). My target is an embedded platform, so it comes with some odd restrictions. The hardware restricts us ...
3
votes
1answer
128 views

Encrypt folder Windows 7 home

I have Windows 7 HOME OS I used Truecrypt for encryption of my whole drive. But this solution has now 2 disadvantages for me, development of Truecrypt is probably stopped and software is marked as ...
3
votes
2answers
70 views

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 ...
3
votes
2answers
50 views

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. ...
3
votes
1answer
83 views

Windows tool to protect a text file with sensitive data

I need a Windows tool to encrypt a text file with sensitive data. I want to keep the file online. Ideally one that can decrypt the .gpg (binary) and .asc (base64) outputs of gpg4win. I came across ...
3
votes
1answer
40 views

Simple folder encryption software

I'm looking for some simple folder (and data) encryption software for my colleagues at work. I'm the IT admin, and another person has the credentials in case of substitution need. Apart from the ...
3
votes
1answer
143 views

Remote file system that's encrypted on the client side

I want to host my own file share on a VPS, mounting it remotely from my mac and Linux desktop computers. I want the data to be encrypted on the server, and decrypted by the clients. I know SpiderOak ...
3
votes
0answers
48 views

On-the-go cloud file encryption (end-to-end)

So I'm looking for some software which will encrypt my files before they are sent into the realms of the cloud (Google Drive). The crucial aspect is that I must be able to access my files from my iOS ...
3
votes
0answers
95 views

Javascript library that supports RSA-OAEP with MGF Hash

Is there any chance that some Javascript library exists, where you can decrypt and encrypt with MGF Hash flag and so on? I have some encryption made in the PHP, with some libraries (Crypt_RSA) which ...
3
votes
0answers
31 views

How can I distribute decryption keys to servers?

I'm trying to implement user-folder encryption (as opposed to full-disk encryption) on some Linux servers in a data center. I don't want to store the decryption key in plain text on the servers ...
3
votes
0answers
61 views

Open-source private keys management system

I use many virtual machines on my laptop. I started pushing my code to bitbucket very often from different virtual machines. So I'm forced to geneterate/copy private/public key almost on every ...
3
votes
0answers
92 views

Browser extension for OpenPGP encryption and decryption of an e-mail in Hotmail

It has just been revealed that Microsoft has sniffed blogger's Hotmail account to trace leak. The article says: Legally, Microsoft appears to be protected by its privacy policies. The policy for ...
2
votes
2answers
105 views

Secure communication on Android and iOS

I am looking for an app (or other method) to securely message my friends on other mobile devices. Specifically: use on different operating systems (Android and iOS) group conversations encryption (...
2
votes
2answers
76 views

What's the easiest secure way to encrypt a string with my own password on Linux?

I have a 12 word string that I want to encrypt securely and easily with my own long password in order to store the (preferably readable) result in writing in paper. I'm basically looking for a step ...
2
votes
3answers
90 views

What encryption software for long-term archival purposes (Linux + Cygwin & CLI)?

What I want to achieve: I intend to burn a few dozen of single-layer Blu-Rays, 25GB, M-Discs with data that are precious to me in an encrypted form. The hardware needed - Blu-Ray writer and the M-...
2
votes
1answer
194 views

Is there a secure group chat available today?

I would like to know if there is any group chat solution that can be used today with reasonable confidence that the content of the conversations will remain private. So far, these are the solutions I'...
2
votes
1answer
353 views

Software tool for practical XOR comparisons (ASCII and HEX)

A quiz 2 weeks ago on UMCP's Coursera cryptography course had us use (and break) a modified Vigenere cipher wherein ASCII characters where XOR'ed against a Hex secret key to create the cipher text. ...