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Add optional encryption #16

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Add optional encryption #16

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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 #12

@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 mentioned this pull request Jun 22, 2020
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End-to-end encryption
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@darkdragon-001