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Add FFDHE groups to supported_groups#2121

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drwetter merged 1 commit intotestssl:3.0from
dcooper16:ffdhe_supported_groups
Mar 9, 2022
Merged

Add FFDHE groups to supported_groups#2121
drwetter merged 1 commit intotestssl:3.0from
dcooper16:ffdhe_supported_groups

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@dcooper16
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Same as #2120, but for the 3.0 branch.

There is at least one server that will not negotiate TLS_DHE_* cipher suites with TLS 1.2 and below if the supported_groups extension is present but does not include any DH groups. This commit adds the DH groups that are currently in the TLS 1.3 ClientHello to the TLS 1.2 and earlier ClientHello.
@drwetter drwetter merged commit 21fdf5f into testssl:3.0 Mar 9, 2022
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drwetter commented Mar 9, 2022

Thanks again!

@dcooper16 dcooper16 deleted the ffdhe_supported_groups branch March 10, 2022 12:16
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2 participants