thunderbird / thunderbird/thunderbird-android

Enforce encrypted replies to encrypted messages

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type: enhancement
Dominant language
Kotlin
Stars
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Forks
2.8k
Avg merge
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Merged PRs (30d)
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Description

Please search to check for an existing issue (including closed issues, for which the fix may not have yet been released) before opening a new issue: https://github.com/k9mail/k-9/issues?q=is%3Aissue

Expected behavior

If I reply to an encrypted message, whether or not it quotes text, the reply should be forced to be encrypted.

Actual behavior

If for example a key is missing, it is unencrypted by default and I don't even get a warning.

Environment

K-9 Mail version: 5.205

This also has been requested in this comment: https://github.com/k9mail/k-9/issues/1186#issuecomment-201054369

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by tracing the reply flow and its encryption decision for encrypted messages, including the missing-key case. Review the related request in issue #1186; done means replies to encrypted messages are forced to remain encrypted and warn or otherwise handle a missing key instead of silently sending plaintext.

Written by the indexing model from the issue text.

Assessment

Tech stack
kotlin
Domain
mobile, security
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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