| commit | f792edd33d2c59a74c4d81e9b9a536e5301a8b83 | [log] [tgz] |
|---|---|---|
| author | Filippo Valsorda <filippo@golang.org> | Fri Aug 03 17:55:05 2018 -0400 |
| committer | Filippo Valsorda <filippo@golang.org> | Mon Aug 06 17:10:22 2018 +0000 |
| tree | 88584d9e1f5a046d281614f0e5d71380b2960a88 | |
| parent | 56440b844dfe139a8ac053f4ecac0b20b79058f4 [diff] |
chacha20poly1305: add XChaCha20-Poly1305 The XChaCha20 construction does not have an authoritative spec, but this implementation is based on the following documents: https://cr.yp.to/snuffle/xsalsa-20081128.pdf https://download.libsodium.org/doc/secret-key_cryptography/aead.html http://loup-vaillant.fr/tutorials/chacha20-design https://tools.ietf.org/html/draft-paragon-paseto-rfc-00#section-7 Tested against the following implementations: https://github.com/jedisct1/libsodium/blob/7cdf3f0e841/test/default/aead_xchacha20poly1305.c https://git.kernel.org/pub/scm/linux/kernel/git/zx2c4/linux.git/diff/lib/zinc/selftest/chacha20poly1305.h?h=zinc https://git.zx2c4.com/wireguard-go/tree/xchacha20poly1305/xchacha20.go name time/op speed Chacha20Poly1305/Open-64-8 225ns ± 1% 283MB/s ± 1% Chacha20Poly1305/Open-64-X-8 390ns ± 0% 164MB/s ± 0% Chacha20Poly1305/Seal-64-8 222ns ± 0% 287MB/s ± 0% Chacha20Poly1305/Seal-64-X-8 386ns ± 0% 165MB/s ± 1% Chacha20Poly1305/Open-1350-8 1.12µs ± 1% 1.21GB/s ± 1% Chacha20Poly1305/Open-1350-X-8 1.28µs ± 0% 1.05GB/s ± 0% Chacha20Poly1305/Seal-1350-8 1.15µs ± 0% 1.17GB/s ± 0% Chacha20Poly1305/Seal-1350-X-8 1.32µs ± 1% 1.02GB/s ± 0% Chacha20Poly1305/Open-8192-8 5.53µs ± 0% 1.48GB/s ± 0% Chacha20Poly1305/Open-8192-X-8 5.71µs ± 1% 1.44GB/s ± 1% Chacha20Poly1305/Seal-8192-8 5.54µs ± 1% 1.48GB/s ± 1% Chacha20Poly1305/Seal-8192-X-8 5.74µs ± 1% 1.43GB/s ± 1% Updates golang/go#24485 Change-Id: Iea6f3b4c2be67f16f56720a200dcc895c0f9d520 Reviewed-on: https://go-review.googlesource.com/127819 Run-TryBot: Filippo Valsorda <filippo@golang.org> Reviewed-by: Adam Langley <agl@golang.org>
This repository holds supplementary Go cryptography libraries.
The easiest way to install is to run go get -u golang.org/x/crypto/.... You can also manually git clone the repository to $GOPATH/src/golang.org/x/crypto.
This repository uses Gerrit for code changes. To learn how to submit changes to this repository, see https://golang.org/doc/contribute.html.
The main issue tracker for the crypto repository is located at https://github.com/golang/go/issues. Prefix your issue with “x/crypto:” in the subject line, so it is easy to find.
Note that contributions to the cryptography package receive additional scrutiny due to their sensitive nature. Patches may take longer than normal to receive feedback.