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- encrypts files, folders and blocks of text
- when encrypting a file/folder, you have the option of:
-encrypting the file/folder name
-securely erasing the original
- makes your data useless to an attacker in case you are ever a victim of ransomware.
But you need to prepare ahead of time by encrypting your sensitive files.
Then the attacker cannot:
-use your data or
-threaten to make your files public
Be aware that encryption is only one part of a plan to protect yourself. Cyber criminals often gain
access with a phishing scheme, so it is imperative that everyone be trained to recognize such schemes.
You also need to have backups of all data, stored on external devices that are not part of your network.
More recommendations are here.
- you can receive encrypted files from someone else and only one of you needs to
have a paid version (or a non-expired trial version) of the Data Krypter. i.e. an accountant or lawyer
pays for the software and all their clients can send encrypted files with a trial version
(even if it has expired).
- even if someone has access to your computer they can't decrypt your files because your:
-master password is not stored anywhere (neither on your computer nor in the cloud)
-private keys are encrypted
-secret keys are encrypted (stored only to help recover keys).
- symmetric encryption (the same secret key to both encrypt and decrypt)
- asymmetric encryption (public/private keys) using a variant of NTRU
proposed by Banks and Shparlinski in 2002.
e.g. to send an encrypted file to someone, ask them to send a public key.
You encrypt the file with the public key, send it to them and they decrypt
it with their private key. If anyone else gets the encrypted file, they can't
decrypt it because they don't have the private key.
- quantum-proof (also called quantum-secure)
-the symmetric algorithm does not rely on finding the prime factors of an integer
so using Shor's algorithm on a quantum computer won't help decipher it.
-all versions of NTRU (for asymmetric encryption) are lattice based and a quantum
computer won't help. (See why here and
here.)
-on the other hand most public-key cryptosystems (like RSA,DSA, ECDSA, EdDSA,
DHKE, ECDH, ElGamal) are
quantum-broken!
- protects you from "harvest now, decrypt later" (HNDL) This is where adversaries
store your encrypted data today hoping to decrypt it in the future with more
advanced quantum computers.
- no back door - even we can't break your encryption since we don't
know your master password, secret keys or private keys.
(This means no one else can break it either.)
- An encrypted file can be viewed/edited then when the view/edit window is closed,
it will be encrypted back to the same location. The file can be opened from inside
the Data Krypter or by double-clicking it.
- Can be setup to automatically backup encrypted files to the folder of your choice.
- runs on Windows (Mac version will be available in 2024)
For more details about the software read the User's Guide.
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