| commit | b5f2c0f50297fa5cd14af668ddd7fd923626cf8c | [log] [tgz] |
|---|---|---|
| author | Filippo Valsorda <filippo@golang.org> | Tue Mar 17 20:34:51 2020 -0400 |
| committer | Filippo Valsorda <filippo@golang.org> | Thu Mar 26 15:00:36 2020 +0000 |
| tree | 58af599ee0724097371cb06a1e5d9ba8214cc2c5 | |
| parent | f9c5ef8d8f94b364c758930f64b9305c52200b5b [diff] |
crypto/rsa,crypto/ecdsa,crypto/ed25519: implement PublicKey.Equal
This makes all modern public keys in the standard library implement a
common interface (below) that can be used by applications for better
type safety and allows for checking that public (and private keys via
Public()) are equivalent.
interface {
Equal(crypto.PublicKey) bool
}
Equality for ECDSA keys is complicated, we take a strict interpretation
that works for all secure applications (the ones not using the
unfortunate non-constant time CurveParams implementation) and fails
closed otherwise.
Tests in separate files to make them x_tests and avoid an import loop
with crypto/x509.
Re-landing of CL 223754. Dropped the test that was assuming named curves
are not implemented by CurveParams, because it's not true for all
curves, and anyway is not a property we need to test. There is still a
test to check that different curves make keys not Equal.
Fixes #21704
Fixes #38035
Reviewed-on: https://go-review.googlesource.com/c/go/+/223754
Reviewed-by: Katie Hockman <katie@golang.org>
Change-Id: I736759b145bfb4f7f8eecd78c324315d5a05385c
Reviewed-on: https://go-review.googlesource.com/c/go/+/225460
Run-TryBot: Filippo Valsorda <filippo@golang.org>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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