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Russ Cox d92434935f math/rand/v2: add ChaCha8
This is a replay of CL 516859, after its rollback in CL 543895,
with big-endian systems fixed and the tests disabled on RISC-V
since the compiler is broken there (#64285).

ChaCha8 provides a cryptographically strong generator
alongside PCG, so that people who want stronger randomness
have access to that. On systems with 128-bit vector math
assembly (amd64 and arm64), ChaCha8 runs at about the same
speed as PCG (25% slower on amd64, 2% faster on arm64).

Fixes #64284.

Change-Id: I6290bb8ace28e1aff9a61f805dbe380ccdf25b94
Reviewed-on: https://go-review.googlesource.com/c/go/+/546020
Reviewed-by: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2023-12-05 20:32:54 +00:00
.github .github: clean up issue forms 2023-11-27 17:23:51 +00:00
api math/rand/v2: add ChaCha8 2023-12-05 20:32:54 +00:00
doc runtime: add the disablethp GODEBUG setting 2023-12-05 20:14:52 +00:00
lib/time lib/time: update to 2023c/2023c 2023-05-03 20:14:11 +00:00
misc misc/wasm: support new wasmtime CLI 2023-11-19 21:11:54 +00:00
src math/rand/v2: add ChaCha8 2023-12-05 20:32:54 +00:00
test cmd/compile: correct code generation for right shifts on riscv64 2023-12-01 19:30:59 +00:00
.gitattributes
.gitignore internal/platform,cmd/dist: export the list of supported platforms 2023-06-22 19:44:52 +00:00
codereview.cfg
CONTRIBUTING.md doc: normalize proposal-process links 2023-03-29 22:00:27 +00:00
go.env cmd/go: additional doc-inspired tests and bug fixes 2023-06-06 19:18:46 +00:00
LICENSE
PATENTS
README.md
SECURITY.md SECURITY.md: update the Reporting a Vulnerability link 2023-09-22 21:17:24 +00:00

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