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Storyboard

Learnability

Efficiency

Safety



Secure Chat Window

Stephen must now update the team with new orders. On the Messaging tab,
Stephen can see a conversation with an individual or group, much like the
standard chat application on his phone. In this case, his can message John Doe
securely because he has a public key stored for him. The application reminds him
that he can securely communicate via color (background color), and each past
message that was sent with encryption is also set off by color and a lock icon.

Touch on the message area to enter a message brings up the keyboard and a lock
button, giving access to encryption options for the message (encrypt via personal
private key or public key of John Doe). The default encrypts via public key to ensure
safety, but Stephen can remove this if he decides encryption is not necessary for
a particular message.

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Unsecure Chat Window
Description of Storyboard
This is the same view of the messaging window but for a contact without a stored
public key. The background color

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