Add XChaCha20Poly1305 box #235
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tarcieri
reviewed
Jul 22, 2024
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| module RbNaCl | ||
| module SecretBoxes | ||
| # The XChaCha20Poly1305 class boxes and unboxes messages using the XChaCha20Poly1305 algorithm |
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It would probably be good to note there are two different flavors of algorithm calling themselves XChaCha20Poly1305
crypto_secretbox/djb-style: this is effectively thecrypto_secretboxfunction but withXChaCha20swapped forXSalsa20, and what is being implemented heredraft-irtf-cfrg-xchacha: uses the IETF flavor of ChaCha20
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This adds support for an XChaCha20Poly1305 sealed box.
It can either be used stand-alone, or it can be passed to the the
SimpleBoxinitializer which accepts an existing box and used withSimpleBox. It does not change the defaultSimpleBoxalgorithm of Salsa20.