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Implement XChaCha20-Poly1305 using the IETF construction only, as done here.
This is blocked on us finding (or writing) a clear security analysis of the XChaCha20-Poly1305 construct. In particular,…
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### Description
We support both ChaCha20, XChaCha20, and Poly1305, but we lack a type that implements the combinations of the ChaCha and Poly1305 algorithms. These algorithms are used for TLS, so w…
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Thanks for the Guidelines! Very useful!
I would like to add some clarification regarding the limits.
You wrote:
>XChaCha20-Poly1305 and non-IETF ChaCha20-Poly1305 have no practical limits (~2…
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gocryptfs has [added](https://github.com/rfjakob/gocryptfs/commit/4764a9bde093f6b61d0370653c6c9d12949ed145) XChaCha20-Poly1305 for file content encryption. It's already in master and I want to release…
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### Suggested enhancement
Add support for extended versions of ChaCha20 and ChaCha20-Poly1305.
I submitted a PR with it #6556
### Justification
It is well known the potential issues ChaCha2…
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Add a new Cipher algorithm for XChaCha20-Poly1305. The larger nonce size over ChaCha20 decreases the probability of birthday collisions when using random nonces, a common use case in application layer…
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### Summary
Adding XChaCha20-Poly1305 as a barrier encryption algorithm preserves PQC resistance but removes the unsafe [nonce reuse problem](https://www.ietf.org/proceedings/96/slides/slides-96-saag…
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Hi Guys
congratulations for the excellent work you have done,
I wanted to know, if you have already planned to add XChaCha20 Poly1305
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https://crypto.stackexchange.com/questions/73220/which-version-of-chacha-is-more-secure
https://www.google.com/search?ie=UTF-8&q=chacha20-ietf-poly1305
https://www.google.com/search?ie=UTF-8&q=xch…
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Originally requested by @udf2456 in #6 .
https://download.libsodium.org/doc/secret-key_cryptography/xchacha20-poly1305_construction.html