The Key Manager (KM) provides JavaScript applications with key management and cryptographic functionality. 
It makes this available on the device's public bus via a number of API calls. The Key Manager implements a key store , 
allowing apps a place to safely keep keys where they are readily available for cryptographic operations.

To use:
1. Enter a key name
2. Tap on generate
3. For key details use any of the buttons on the first scene.
4. To use the key for encryption tap on the crypt command menu button to bring up the second scene
5. Enter some text and tap the encrypt button
6. Tap the decrypt button to decrypt the text previous encrypted.