DirCrypt

Command Line Utility for Encrypting Folders.

Uses scrypt for password-based key derivation function and XSalsa20 cipher.

Download: DirCrypt.jar

Encrypt

  java -jar DirCrypt.jar --enc --out FILE [options] DIR1 DIR2 ...

Decrypt

  java -jar DirCrypt.jar --dec --in FILE --dest OUTDIR [options]

List Archive Contents

  java -jar DirCrypt.jar --list --in FILE [options]

Verify Archive Contents

  java -jar DirCrypt.jar --verify --in FILE [options]

Options

Option	Argument	Description	Default Value	Required For
--dec		Decrypts archive		Decryption
--dest	Directory	Specifies the destination directory		Decryption
--enc		Encrypts file(s) or directories		Encryption
--force		Overwrites output file(s)		Decryption
--help		Prints usage
--ignoreErrors		Ignore integrity errors, decrypt corrupt files
--in	File	Specifies input archive file name		Encryption, Listing, Verify
--list		Lists file contents		Listing
--out	File	Specifies output archive file		Encryption
--pass	Text	Passphrase
--scryptN	Integer	Scrypt N parameter	32768
--scryptP	Integer	Scrypt P parameter	32
--scryptR	Integer	Scrypt R parameter	16
--verbose		Logs diagnostic messages to stdout
--verify		Verifies archive integrity		Verify
--version		Prints version string

Security

Please refer to the File Format Specification.

WARNING

The code has not been formally reviewed. Do not use in production.