crypto: refactor WebCrypto AEAD algorithms auth tag handling#62169
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panva wants to merge 1 commit intonodejs:mainfrom
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crypto: refactor WebCrypto AEAD algorithms auth tag handling#62169panva wants to merge 1 commit intonodejs:mainfrom
panva wants to merge 1 commit intonodejs:mainfrom
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Codecov Report❌ Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #62169 +/- ##
==========================================
+ Coverage 89.65% 89.67% +0.01%
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Files 676 676
Lines 206543 206409 -134
Branches 39547 39520 -27
==========================================
- Hits 185184 185091 -93
+ Misses 13480 13473 -7
+ Partials 7879 7845 -34
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Previously JS would split the auth tag from the ciphertext before passing both to the *Job for AEAD decryption. Now the full data is passed to C++, which handles the split and validation internally.
Applies to AES-GCM, AES-OCB, and ChaCha20-Poly1305.
This also fixes an edge case where if
ciphertextis, or is backed by, a detached arraybuffer the spec tells us to treat it as an empty byte sequence. Before we would TypeError on trying to slice it, now we correctly OperationError after C++ handles the ByteSource copy per spec.