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set correct signarue digest name when using ECDSA cert #127

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set correct signarue digest name when using ECDSA cert #127

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6 changes: 5 additions & 1 deletion pgmoon/init.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -401,9 +401,13 @@ do
local server_cert = self.sock:getpeercertificate()
pem, signature = server_cert:pem(), server_cert:getsignaturename()
end
signature = signature:lower()
if signature:match("^md5") or signature:match("^sha1") then
signature = "sha256"
else
local objects = require("resty.openssl.objects")
local sigid = assert(objects.txt2nid(signature))
local digest_nid = assert(objects.find_sigid_algs(sigid))
signature = assert(objects.nid2table(digest_nid).sn)
end
cbind_data = assert(x509_digest(pem, signature))
end
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