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Name ---- jencrypt - jEncrypt is a file encryption archiver designed to help you encrypt files and directories into a single file archive. Synopsis -------- jencrypt -e, --enc [File or folder to encrypt] [Destination file] -d, --dec [File to decrypt] [Destination folder] -p, --pwd [Password to use for en-/decryption] Meta information ---------------- Interface : command line Source language : J2SE 7.0 Use requirements : Java Runtime Environment 7.0 Java Cryptography Extension 7.0 (enables support for keys larger than 128 bits) Description ----------- jEncrypt encrypts and decrypts files using the Java Cryptographic Extension (JCE) framework. To use key strenghts above 128 bits with Oracle's Java software, Oracle provides unlimited strength policy files. The folder shell\UnlockJCE contains an installer for Windows XP/7 which makes backups of the existing policy files and installs the JCE unlimited strength policy files automatically to the correct folders. Security -------- jEncrypt encrypts data with the AES-CTR mode which was first recommended by the National Institute of Standards and Technology in 2001 (NIST SP 800-38A). The AES-CTR mode only provides confidentiality; to ensure an encrypted message is not accidentally modified, or maliciously tampered with, a separate message authentication code is required which jEncrypt currently does not provide. See also: http://csrc.nist.gov/publications/PubsSPs.html http://csrc.nist.gov/groups/ST/toolkit/BCM/modes_development.html http://en.wikipedia.org/wiki/Block_cipher_modes_of_operation Operations ---------- -enc Encrypt [File or folder to encrypt] to the archive file [Destination file]. -dec Decrypt [File to decrypt] to the folder [Destination folder]. -pwd Password from which the encryption key will be derived. -ini Full path to the configuration file. All other parameters are configured and documented in jencrypt.ini. Exit codes ---------- 0 Success -1 Invalid arguments -2 Exception occurred
Source: README.txt, updated 2013-04-08