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Filippo Valsorda 8cecfad2a9 crypto/rsa: port Validate to bigmod
This is quite a bit slower (almost entirely in the e * d reductions,
which could be optimized), but the slowdown is only 12% of a signature
operation.

Also, call Validate at the end of GenerateKey as a backstop. Key
generation is so incredibly slow that the extra time is negligible.

goos: darwin
goarch: arm64
pkg: crypto/rsa
cpu: Apple M2
                            │  ec9643bbed  │           ec9643bbed-dirty            │
                            │    sec/op    │    sec/op      vs base                │
SignPSS/2048-8                869.8µ ±  1%    870.2µ ±  0%         ~ (p=0.937 n=6)
GenerateKey/2048-8            104.2m ± 17%    106.9m ± 10%         ~ (p=0.589 n=6)
ParsePKCS8PrivateKey/2048-8   28.54µ ±  2%   136.78µ ±  8%  +379.23% (p=0.002 n=6)

Fixes #57751

Co-authored-by: Derek Parker <parkerderek86@gmail.com>
Change-Id: Ifb476859207925a018b433c16dd62fb767afd2d5
Reviewed-on: https://go-review.googlesource.com/c/go/+/630517
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
2024-11-22 01:50:41 +00:00
.github .github: update language change proposal template 2024-08-08 19:02:29 +00:00
api crypto/x509: implement policy validation 2024-11-22 01:28:52 +00:00
doc crypto/rsa: refuse to generate and/or use keys smaller than 1024 bits 2024-11-22 01:50:32 +00:00
lib all: rename crypto/internal/fips to crypto/internal/fips140 2024-11-20 20:28:34 +00:00
misc misc/wasm: move wasm runtime files to lib/wasm 2024-08-30 19:15:21 +00:00
src crypto/rsa: port Validate to bigmod 2024-11-22 01:50:41 +00:00
test cmd/compile: modify CSE to remove redundant OpLocalAddrs 2024-11-22 00:12:03 +00:00
.gitattributes
.gitignore runtime,internal: move runtime/internal/sys to internal/runtime/sys 2024-07-23 19:05:35 +00:00
CONTRIBUTING.md doc: normalize proposal-process links 2023-03-29 22:00:27 +00:00
LICENSE LICENSE: update per Google Legal 2024-08-09 14:54:31 +00:00
PATENTS
README.md README: fix CC BY license name 2024-07-22 17:45:27 +00:00
SECURITY.md SECURITY.md: update the Reporting a Vulnerability link 2023-09-22 21:17:24 +00:00
codereview.cfg
go.env cmd/go: additional doc-inspired tests and bug fixes 2023-06-06 19:18:46 +00:00

README.md

The Go Programming Language

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