Project 5 - Encryption

Time spent: 5 hours spent in total

User Stories

The following required functionality is completed:

1. Symmetric Encrypt/Decrypt

• [x] Required: Repair the symmetric encrypt and decrypt code

2. Encrypted Message 1

• [x] Required: Decrypt the government message
• [x] Required: Encrypt a response and include in this README I heard about your current situation. Do you know who hacked APEX? -- The Chairman

3. Generate Public-Private Keys

• [x] Required: Repair the key generator code
• [x] Required: Generate keys for "johnsteed" and add him to the Agent Directory

4. Asymmetric Encrypt/Decrypt

• [x] Required: Repair the asymmetric encrypt and decrypt code

5. Create/Verify Signature

• [x] Required: Repair the create and verify signature code

6. Encrypted Message 2

• [x] Required: Decrypt the message
• [x] Required: Verify the message

• [x] Required: Include a response message in this README Cannot access APEX from this location. Send new agent codename and public key so I can contact. Encrypt response to protect codename. Include signature to verify identity and message integrity. -- sydneybristow

  WSRBDdfR4mykRkBC9zCMyuED+z34Th8QjFa7uGUDAlxhxZ/tWJgJriKlCZQdkm+DrebLXU2HXstPWHmDvcLTwJs4nTLOsEn1okJDNwAQn3pUpkwZ2iek31pTul67x5T+uPfTwDIe2XDDRd3JMc3hCcLNttG4IEAfx3QgcU+h0pOO9aRFx+zUTe8zqcu87MjlT23MRAK5KZ1jePM8By+KWgtGGquu8wfJjkuc1Wp5Ud8aEXLSvoM5Eu0HkWUIjK1lyDiQsl7u6e12TJXPfD3uzGmmv4QfIZxZJyhxZg5edwMk5NQDr1plqBuvC3+DiD7PjRLaSazHLtXyc5ro7eFNHg==
  
  The public key is

  -----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw9RcwMxz+cBktcF48eBZ h+AaiojQU8QSLBg8dAjsEjs5jBLHYOOKrxnjpBc/pFtNFKgLK7AJwzssZxSdfbKs 3t6OgUs7v9bx4RknNIDMi3oYo2rm09XMAbbMPkOsTQqSrRRfgJEBzJvRSzKDv2nc M3bx/b6CelnsPi27iI+c2rXEir4abBeOCkTqMPXMrE+SVWYC8qzfuKfwBwMK/oMT ieTI0LTNjSMDKfDC/WIH4glXPnswr6zvXV9rLz4Up0E0w7q7usBNGX+3r0pqyLBd 04/gdOcFEJ+AOWRYivNaJOwPKe44OwsnZ9oCJFV0Lq6M82aQDM/EYlWRk46PaF1I jQIDAQAB -----END PUBLIC KEY-----

  Signature
  WSRBDdfR4mykRkBC9zCMyuED+z34Th8QjFa7uGUDAlxhxZ/tWJgJriKlCZQdkm+DrebLXU2HXstPWHmDvcLTwJs4nTLOsEn1okJDNwAQn3pUpkwZ2iek31pTul67x5T+uPfTwDIe2XDDRd3JMc3hCcLNttG4IEAfx3QgcU+h0pOO9aRFx+zUTe8zqcu87MjlT23MRAK5KZ1jePM8By+KWgtGGquu8wfJjkuc1Wp5Ud8aEXLSvoM5Eu0HkWUIjK1lyDiQsl7u6e12TJXPfD3uzGmmv4QfIZxZJyhxZg5edwMk5NQDr1plqBuvC3+DiD7PjRLaSazHLtXyc5ro7eFNHg==

7. Agent Messages

• [x] Required: Repair the dropbox code
• [x] Required: Repair the messages area
• [x] Required: Display encrypted messages for all agents
• [x] Required: Messages indicate whether the message signature is valid
• [x] Required: Your messages are automatically decrypted

8. Identify the Double Agent

• [x] Required: Decrypt as many email messages as possible
• [x] Required: Identify the double agent: Natasha

The following objectives are optional:

• Bonus Objective 1.

  • [ ] Track down the bugs in the code and fix them.

• Bonus Objective 2.

  • [ ] Write a report of your discoveries (longer than 300 characters).
  • [ ] Compose a secure email for sending over an insecure network.
  • [ ] Include the email with your encrypted report in this README.

• Bonus Objective 3.

  • [ ] Add a "Create/Verify Checksum" section to the Encryption Tools area.

• Advanced Objective 1.

  • [ ] Add support for other symmetric algorithms.

Video Walkthrough

Here's a walkthrough of implemented user stories:

GIF created with LiceCap.

Notes

Describe any challenges encountered while building the app.

License

Copyright [2017] [JaeJoong Lee]

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.