| commit | 320da8d149bda0f5217444faac19abedfddf30f2 | [log] [tgz] |
|---|---|---|
| author | Filippo Valsorda <filippo@golang.org> | Tue Feb 19 15:58:06 2019 -0500 |
| committer | Filippo Valsorda <filippo@golang.org> | Thu Feb 21 16:55:18 2019 +0000 |
| tree | e1e53a7e339bb254a10690e1e6d2c0ea87ef6475 | |
| parent | b840ae1e16f95687a8379c49cab0bd94bd839b6f [diff] |
[release-branch.go1.12] crypto/tls: don't select RSA-PSS for client certificates in TLS 1.2 In https://golang.org/cl/160998, RSA-PSS was disabled for (most of) TLS 1.2. One place where we can't disable it is in a Client Hello which offers both TLS 1.2 and 1.3: RSA-PSS is required by TLS 1.3, so to offer TLS 1.3 we need to offer RSA-PSS, even if the server might select TLS 1.2. The good news is that we want to disable RSA-PSS mostly when we are the signing side, as that's where broken crypto.Signer implementations will bite us. So we can announce RSA-PSS in the Client Hello, tolerate the server picking TLS 1.2 and RSA-PSS for their signatures, but still not do RSA-PSS on our side if asked to provide a client certificate. Client-TLSv12-ClientCert-RSA-PSS-Disabled changed because it was indeed actually using RSA-PSS. Updates #30055 Change-Id: I5ecade744b666433b37847abf55e1f08089b21d4 Reviewed-on: https://go-review.googlesource.com/c/163039 Reviewed-by: Andrew Bonventre <andybons@golang.org> Reviewed-by: Adam Langley <agl@golang.org>
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