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Vojtech Bocek 72dc3a0919 crypto/x509: truncate signed hash before DSA signature verification
According to spec, the hash must be truncated, but crypto/dsa
does not do it. We can't fix it in crypto/dsa, because it would break
verification of previously generated signatures.
In crypto/x509 however, go can't generate DSA certs, only verify them,
so the fix here should be safe.

Fixes #22017

Change-Id: Iee7e20a5d76f45da8901a7ca686063639092949f
GitHub-Last-Rev: 8041cde8d2
GitHub-Pull-Request: golang/go#34630
Reviewed-on: https://go-review.googlesource.com/c/go/+/198138
Reviewed-by: Filippo Valsorda <filippo@golang.org>
2019-10-04 16:27:55 +00:00
.github .github: don't render author-facing text in ISSUE_TEMPLATE 2018-11-02 04:47:34 +00:00
api api/go1.13: add debug/elf.Symbol fields added in CL 184099 2019-08-08 18:44:16 +00:00
doc cmd/go: remove the -mod flag from 'go get' 2019-10-04 15:47:46 +00:00
lib/time lib/time: update tz data to 2019b 2019-07-03 23:08:27 +00:00
misc cmd/cgo: optimize cgoCheckPointer call 2019-10-02 20:51:29 +00:00
src crypto/x509: truncate signed hash before DSA signature verification 2019-10-04 16:27:55 +00:00
test test: add testcase for Issue 34520 2019-10-04 15:04:57 +00:00
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AUTHORS A+C: change email address for Akhil Indurti 2019-09-09 15:30:38 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS C: update email address for utkarsh-extc 2019-10-03 12:39:06 +00:00
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