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End-to-end encryption #12

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darkdragon-001 opened this issue Jun 17, 2020 · 0 comments · May be fixed by #16
Open

End-to-end encryption #12

darkdragon-001 opened this issue Jun 17, 2020 · 0 comments · May be fixed by #16

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@darkdragon-001
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darkdragon-001 commented Jun 17, 2020 •
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Append client-generated password used to encrypt the note and traffic as fragment #something.

I can provide you some sample code, once my question on StackExchange is answered.

It would also be possible to use a human-readable password which the users has to enter in a textbox such that it is not shown on screenshots. Key derivation should be used in this case.
darkdragon-001 added a commit to darkdragon-001/Pad that referenced this issue Jun 22, 2020
@darkdragon-001
Add optional encryption
5c8546a 
Cryptography
- Use AES-GCM-256 for encryption
- Use PBKDF2 with SHA-256 and 100000 iterations for key derivation

Behavior
- A human-readable password will be automatically be generated when not set
- The password will be appended to the URI as fragment #password
- The IV (12 bytes) is prepended to the ciphertext
- Everything is base64 encoded (33% overhead)
- Update is disabled when encryption fails to avoid overwriting

Fixes petercunha#12
@darkdragon-001 darkdragon-001 linked a pull request Jun 22, 2020 that will close this issue
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Add optional encryption darkdragon-001/Pad
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