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crypto/tls: Vet interaction between ECH and PSK #74

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cjpatton opened this issue Apr 1, 2021 · 1 comment
Open

crypto/tls: Vet interaction between ECH and PSK #74

cjpatton opened this issue Apr 1, 2021 · 1 comment
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cjpatton commented Apr 1, 2021 •
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We may have a bug in crypto/tls that would be triggered by ECH rejection when the server supports PSK. The bug would cause the handshake to fail. I will investigate soon, unless someone gets there first. The temporary fix should be as simple as disabling ECH+PSK. It's likely that the spec will be changed in a way that allows us to properly patch this problem without a major refactor. See tlswg/draft-ietf-tls-esni#399.
@cjpatton cjpatton added the bug label Apr 1, 2021
@cjpatton cjpatton self-assigned this Apr 1, 2021
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This will be fixed in draft 11 by tlswg/draft-ietf-tls-esni#420.

@cjpatton cjpatton reopened this Apr 19, 2021
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