XChaCha20Poly1305 #4
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Adds support for XChaCha20Poly1305 AEAD: an extended 192-bit (24-byte) nonce variant of ChaCha20Poly1305 as described in: https://tools.ietf.org/html/draft-arciszewski-xchacha-03 This variant is also implemented in libsodium and used by e.g. WireGuard.
tarcieri
commented
Aug 25, 2019
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| //! Core AEAD cipher implementation for (X)ChaCha20Poly1305. | |||
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| // TODO(tarcieri): make this reusable for (X)Salsa20Poly1305 | |||
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Arguably the best way to do this is making it generic to all stream ciphers: RustCrypto/traits#45
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Adds support for XChaCha20Poly1305 AEAD: an extended 192-bit (24-byte) nonce variant of ChaCha20Poly1305 as described in:
https://tools.ietf.org/html/draft-arciszewski-xchacha-03
This variant is also implemented in libsodium and used by e.g. WireGuard.