Articles about encryption | UserComp.com

Decrypting S/MIME Email Messages: Keeping Headers Intact

Learn how to decrypt S/MIME email messages while keeping headers intact. This article provides steps for various platforms including Linux, Windows, and MacOS.

Encrypting Spare Boot Drives with Veracrypt using USB Caddie

Learn how to encrypt spare boot drives using Veracrypt and a USB Caddie in this tech support article. Follow our step-by-step guide to ensure a successful encryption process.

Pipe-based GPG Encryption and Decryption for Secure Data Transfer

Learn how to encrypt and decrypt files using GPG through the pipe in a secure and leak-free way.

Testing File Encryption/Decryption with PGP Keys: Client Side

This article explains how to test file encryption and decryption using PGP keys on the client side. It covers creating and sending public keys, using encryption, and answers related questions.

Encrypt Local Traffic: Setting Up WireGuard for Gateway Services

Learn how to set up WireGuard for secure gateway services, allowing remote access to hosted services on a physical server without exposing them.

Encryption Method Used: Compression Utility in Debian 11 Cinnamon

In Debian 11 Cinnamon, the right-click compression option offers both file compression and password protection. Here's a procedure to create an encrypted 7z file.

Understanding the EXT4 FBE Encrypted Folder Policy Descriptor in Ubuntu 22.04.4 LTS

In this tech support article, we will explain how to retrieve the correct policy descriptor for an encrypted directory using the rune4crypt get_policy command in Ubuntu 22.04.4 LTS. We will cover the basics of the EXT4 file system and FBE encryption.

Sabrent Backup Disk (FDE LUKS) Mounting Fails After Installation

Users report issues with mounting Sabrent backup disks encrypted with LUKS after installation. This article provides solutions for resolving the problem.

Encrypting Excel Cell Values using OpenSSL: Single Column

Learn how to encrypt values in a single column of an Excel file using OpenSSL. This article provides a step-by-step guide for Windows users.

Restoring Deleted Encrypted Partitions: Ext4 vs. Luks

Learn how to restore deleted encrypted partitions using Ext4 and Luks encryption on various operating systems. Follow these steps to ensure data recovery.

Pre-enrolled Keys and Key Exchange Keys: Understanding the Difference

In the realm of cybersecurity, pre-enrolled keys and Key Exchange Keys (KEK) serve distinct purposes. Pre-enrolled keys are cryptographic keys that come pre-installed on a system, while Key Exchange Keys are used for secure communication between two parties. This article aims to clarify the differences between these two types of keys and their implications for security.

Transparently Recording Encrypted Multicast Transport Streams with FFmpeg

Learn how to record encrypted multicast Transport Streams transparently using FFmpeg and the NagraCAS decryption system.

Automating ZuluCrypt Hard Drive Encryption: Create Encrypted Container on Linux

Learn how to automate the creation of encrypted containers using ZuluCrypt on a Linux system. This article covers the process of creating new backup disks with an automated script.

Understanding Encryption Protocols Beyond TLS

Encryption goes beyond Transport Layer Security (TLS). Learn about different encryption protocols and their roles in securing data.

OSSL Cipher Unpad Block: Bad Decrypt Error in Red Hat Script

This article explains the cause and solution of the OSSL_CIPHER_UNPAD_BAD_DECrypt error encountered while decrypting a file using an OpenSSL script in a Red Hat environment.

Converting Encrypted RSA Private Key to Unencrypted Format using OpenSSL 3.3.0 on Mac

Learn how to convert an encrypted RSA private key to an unencrypted format using OpenSSL 3.3.0 on a Mac.

Migrating Windows 11 VM from VMware to KVM/QEMU: TPM 2.0 UEFI Boot Encryption

Learn how to migrate a Windows 11 VM from VMware to KVM/QEMU while preserving TPM 2.0 UEFI boot encryption.

Enabling BitLocker Full Disk Encryption with PowerShell: Correct Usage

This article explains the correct usage of PowerShell commands for enabling BitLocker full disk encryption, addressing misconceptions regarding the 'UsedSpaceOnly' parameter.

Cryptsetup and Luks: Partition vs File - Robustness against Disk Sector Errors

This tech support article discusses the comparison between using Cryptsetup and Luks to encrypt partitions versus files, focusing on their robustness against disk sector errors such as unreadable (pending) sectors. Offline encryption methods are also explored.

Re-encryption Failure in VMware Workstation Pro 17: A Solution

Learn how to resolve the Re-encryption Failure issue in VMware Workstation Pro 17 when upgrading a Windows 11 machine.

Troubleshooting GPG Decryption: 'gpg: no valid OpenPGP data found' error

Users encountering a 'gpg: no valid OpenPGP data found' error while decrypting a file created in October 2009 on a Linux machine are advised to double-check the file's integrity and ensure the correct password is being used.

Mounting Luks Disks: Differences for Specific Users (UID/GID)

This article explains the process of mounting Luks encrypted disks with specific user identities (UID/GID) instead of the default first user.

Can't Unlock BitLocker Encrypted Drive: Damaged Drive or Format Locked State?

Learn how to troubleshoot and resolve issues when unable to unlock a BitLocker encrypted drive due to a damaged drive or format locked state.

Automatically Encrypting Drives in Windows 11: A Closer Look

Discover the process of enabling BitLocker to automatically encrypt main and local drives in Windows 11 without user intervention. Exploring various sources, including SuperUser.

Device Encryption Unavailable after SSD Migration on Galaxy Book2 Pro (Windows 11 Home)

Learn how to resolve the issue of not being able to enable device encryption after performing an SSD migration on a Galaxy Book2 Pro running Windows 11 Home.

Moving a LUKS-encrypted btrfs volume right in GParted

When attempting to move a LUKS-encrypted btrfs volume using GParted, the tool may not recognize the option to move the btrfs volume. This article provides a solution to this issue.

DiskCryptor Installation Error: 'Error occurred installing driver (error code 2)'. How to fix it?

If you encounter an error code 2 while installing DiskCryptor driver, follow these steps to troubleshoot and fix the issue.

Enabling Suspend Disk (Hibernation) on Fedora Desktop Systems with Full Disk Encryption

Learn how to enable suspend disk (hibernation) on Fedora Desktop Systems with full disk encryption. This tutorial covers the process for a Dell XPS 13 9300 using the Fedora Workstation Edition and GNOME session menu.

Understanding PTK and GTK in Encrypted Multicast Traffic

PTK (Pairwise Transient Key) and GTK (Group Temporary Key) are used to encrypt and obtain ciphertext for multicast traffic during a 4-way handshake. Let's explore their roles in detail.

Encrypted Email Client: Properly Storing Encrypted Data

When it comes to email security, encrypted email clients are a popular choice. But is locally stored encrypted data really secure? Let's explore this question and discuss the use of GnuPG as an alternative to SMTP and POP3.

Accessing Encrypted ZFS Dataset on Ubuntu 22.04

Learn how to make an encrypted ZFS dataset available on Ubuntu 22.04 during system reboots.

Understanding LUKS Disk Encryption for LPI-1 Exam

Learning LUKS disk encryption for the LPI-1 exam. Successfully installed and encrypted a Debian machine. Discover its super cool features.

Managing Data Encryption with Fedora Linux: A Switch from NixOS

Learn how to manage data encryption with Fedora Linux after switching from NixOS. Discover the benefits and features of Fedora's encryption tools.

Checking if /dev/mapper/dev0 exists for luks Open decryption setup

This article explains how to check if /dev/mapper/dev0 exists in a Linux system for setting up luks Open decryption. Follow the instructions below to ensure a successful decryption process.

Hardening RHEL 8.9: Applying crypto_LUKS Encryption to Active Partitions

Learn how to apply crypto_LUKS encryption to active partitions in RHEL 8.9 for enhanced security.

Recovering Formatted Drive Used with Encrypted Bitlocker on Dual-Boot Windows Mint

Learn how to recover a formatted drive with Bitlocker encryption used on a dual-boot Windows Mint system.

Encrypting and Securely Wiping a Full Drive with BitLocker in Windows 10

Learn how to encrypt and securely wipe a full drive using BitLocker in Windows 10.

Unlock Bitlocker Encrypted Drives: A Simple Way with PowerShell

Learn how to unlock Bitlocker encrypted drives using a simple PowerShell command. Unlock drives without entering a password manually.

Preventing Data Loss in NAS Storage: RAID HDD Encryption and Long-Term Access

Learn how to prevent data loss in Network Attached Storage (NAS) systems by implementing RAID and encryption for your HDDs. Protect your long-term storage from non-user errors and hardware failures.

BitLocker Instantly Encrypts Drive but Asks for Password at Boot on PC

Users report that BitLocker encrypts their drives instantly but requests a password at boot. This issue may occur due to TPM or UEFI settings. In this article, we'll discuss potential causes and solutions to help you bypass the password prompt at boot.

Encrypted dmg file: Password no longer working - Mac solution

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