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Encryption: seekable ranged reads over encrypted objects #15

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opened 2026-07-25 16:25:27 +00:00 by Cordy · 0 comments
Cordy commented 2026-07-25 16:25:27 +00:00
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age STREAM is not seekable, so the encrypt decorator currently reads the full object to serve an HTTP Range (fine for the web UI / typical WebDAV, wasteful for large-file random access).

  • Chunked framing: fixed-size independently-encrypted chunks so a Range maps to a bounded set of chunks.
  • Preserve the transparent Open→ReadSeekCloser contract http.ServeContent expects.
  • Decision record: ENCRYPTION-COMPARISON.md.

Encryption hardening; completes the v0.3 encryption story.

age STREAM is not seekable, so the encrypt decorator currently reads the **full object** to serve an HTTP Range (fine for the web UI / typical WebDAV, wasteful for large-file random access). - Chunked framing: fixed-size independently-encrypted chunks so a Range maps to a bounded set of chunks. - Preserve the transparent `Open`→`ReadSeekCloser` contract `http.ServeContent` expects. - Decision record: `ENCRYPTION-COMPARISON.md`. Encryption hardening; completes the v0.3 encryption story.
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Reference: Cordy/Cairn#15
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