|Linux / BSD|
PeaZip is focused on security and supports multiple strong encryption standards, optionally using two factor authentication (password and keyfile *) for increased security against means like social engineering or dictionary based attacks (that can considerably reduce the effort of brute-forcing a textual password or passphrase).
Use of end-to-end cryptography, in which sender and recipient are in charge of encrypting and decrypting the data, is strongly recommended each time data is sent to (or through) external servers, even if the service is advertised implementing cryptography measures.
In example, creating encrypted mail attachments (and to encrypt uploads to cloud services) preserve data secrecy against any unauthorized access to user's private information and data even in case the service is compromised, either by successful attack, insider breach, or plain change of policies granting access to unwanted subjects.
Encryption protocols supported by PeaZip are:
PeaZip's password manager is available from main menu, Tools > Password manager.
The password list file is saved in private user's path, allowing each user to maintain a personal password manager containing different passwords or passphrases not accessible to other standard users of the same system.
Optionally, the user can decide to encrypt the password list with a master password, making the passwor manager private even to administrative accounts of the same machine, being the data file unreadable until the correct password is provided.
Some archive types, like 7Z and ARC, support encrypting the names of files being added to the archive: in this case it will not even be possible to see the list of archive's content, file and directory names, without knowing the password.
7Z, ARC, and ZIP archives support file level encryption, so each file in an archive could have, if desired by the archive creator, a different password.
In "Advanced" tab of archive creation interface users can chose encryption method to apply to the archive: by default the recommended method will be displayed.
If a password is already set (i.e. because adding files to an already encrypted existing archive) it will be reported to the user in the archive creation interface.
For increased security, PeaZip supports secure file deletion to erase tracks of unwanted data.
* PeaZip has an integrated utility to create random keyfiles and passwords sampling entropy from the system and from user's interaction.
Topics: AES, Twofish, Serpent, cryptography, strong
encryption, encrypt files on Microsoft Windows and Linux systems,
encrypted archives, set encryption password protection, random password
generator, password manager, free encryption software, encrypt ZIP
Related articles: How to extract encrypted archives, Protect files, Secure file delete / overwrite free space, Create, open extract 7Z files, PEA file: pack, encrypt, authenticate, How to create RAR files?, Create, open extract ZIP files
FAQ > Security > Encrypt files, create encrypted archives, set password protection
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