Arten Science has released cuteCipher (http://www.cutecipher.co.uk/), cross platform software for encrypting and protecting your documents and files. cuteCipher has been tested on Children, Parents, Elder Relatives and Other Innocents.
To use you drag your files onto cuteCipher, enter a secret word and click the Encrypt button. It’s based on the R10Cipher software from Arten Science and offers Blowfish encryption.
cuteCipher works with Mac OS X 10.4 and higher, Windows XP, Vista and Windows 7. It’s Universal Binary so runs natively on both PowerPC and Intel Macs.
Pricing is approximately US$20 for a single user license with bulk purchase discounts dropping the price by up to 75%. A demo is available for download.