ENCRYPTION TOOL
CRYPTOMATOR
INTRODUCTION
The German encryption tool Cryptomator was introduced in
2016 by startup Skymatic GmbH. The two most widely used encryption options for
cloud storage for private users right now are Boxcryptor (which has been around
since 2011) and Cryptomator. We provide a summary of the solution's features as
well as its similarities and distinctions from Boxcryptor.
You can build vaults that are housed on virtual drives if
you use Cryptomator. After that, the data kept in the vault is encrypted. The
user has the option to choose the vault's location, such as a cloud service
provider. Since the release of version 1.5.0 in April 2020, only a subset of
vaults can be locked or unlocked simultaneously.
Like Boxcryptor, every file is individually encrypted.
Therefore, unlike many other encryption tools, only the altered file needs to
be re-encrypted and synchronised when a file is changed.
Files are secured in Cryptomator
using AES with a 256-bit key length. The website claims that the route
structures are obfuscated, and the password is secured using crypt, a
password-based key derivation technique. The docs. Cryptomator help pages
contain a brief technical overview. Due to the high level of technical writing,
this is probably not understandable for all users without IT understanding.
Installation and demo manual
1.2.1 Installation
1. Download
Cryptomator https://cryptomator.org/downloads/
Then, click the “I agree” checkbox and click "Install."
2. Installation
is currently underway.
3. Installation
has successfully been done. Click the “Close” button. 
1.2.3 Demo Manual
1. After
the software is opened, click "Add Vault.”
2. Click
“Create New Vault”. If the vault has been created before, click "Open an
Existing Vault."
3. To
create a vault, choose a name like the one below with special characters.
After the name is verified as valid, click "Next."
5. After
choosing the location, create the vault password and click “Yes please….”.
After this, click create vault.
This will be stored with the name
created. Click “Next”.
I have created a Word document named
“mine” in the vault called
“Ravin_0304.”
 |
9. After
clicking "Unlock," you will be prompted to enter the vault password
in order to view the vault's contents.
11. By clicking reveal Drive, your folder will be shown with the contents shown in figure below.
12. To
lock the vault again, click "Lock."
So, The vault is
locked.
Cryptomator is
an encryption tool that can be used to secure sensitive data stored on a device
or in the cloud. It uses client-side encryption to protect files and folders by
encrypting them with a user-provided passphrase before they are uploaded to the
cloud storage service.
In terms of
CIA (Confidentiality, Integrity, and Availability), Cryptomator provides:
● Confidentiality: Cryptomator encrypts data before it is uploaded to the
cloud, making it accessible only to authorised users who have the correct
passphrase. This ensures that only authorised users can access the encrypted
data, providing confidentiality to the data.
● Integrity: The encrypted data is protected with a user-provided
passphrase, ensuring that the data cannot be modified by unauthorised users.
Cryptomator also creates a random initialization vector (IV) and uses it along
with the passphrase to encrypt the data, which prevents tampering with the
data.
● Availability: Cryptomator is designed to work with cloud storage services, which are typically highly available. As long as the cloud storage service is available, authorised users should be able to access their encrypted data. Additionally, the data is accessible by using the same passphrase and the same decryption tool ( Cryptomator) across multiple devices.
However, it is worth noting that, Cryptomator is only as secure as the passphrase chosen by the user, a weak passphrase can make the encryption easily breakable. Also, it is important to make a backup of the encryption keys, because if they are lost, the encrypted data will become inaccessible.
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