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Editors' Review

Download.com Staff Feb 27, 2009

This freeware tool uses RSA Public Key encryption and decryption to safeguard files and e-mails. Josuijo's deceptively simple interface will throw some users. The program's scattershot documentation fails to accurately instruct users. This isn't a privacy tool for novices.

Operating Josuijo requires experience with public key encryption methods. The application uses RSA 2048-bit encryption. Creating public keys takes only a couple of button clicks. Decryption is quickly accomplished by merely dragging the encrypted file to the interface. However, encryption is not as friendly. Users will take a few attempts to perfect the process. The program aptly handles using public key FTP sites. However, some features balk at working as noted in the Help file. Testers had particular problems getting the encryption function to work as promised.

Josuijo is not for public key encryption novices. It's poorly documented and convoluted in operation. Nevertheless, some expert encryption users may find the freeware application familiar enough for occasional use.

Full Specifications

What's new in version 1.0.0.2

This version is the first release on CNET Download.com.

General

Release November 7, 2008
Date Added January 17, 2008
Version 1.0.0.2

Operating Systems

Operating Systems Windows, Windows 2000, Windows XP, Windows Vista
Additional Requirements Windows 2000/XP/Vista

Popularity

Total Downloads 2,137
Downloads Last Week 0
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Developer's Description

File Encription/Decription with asymmetric key. Encrypt files with recipient's public key before you attach and send files via e-mail. When the encrypted file is received, decrypt files by your private key. This version is the first release on CNET Download.com.