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add letsencrypt to Gitea (#4189)

This commit is contained in:
Fluf 2018-08-21 09:56:50 -04:00 committed by techknowlogick
parent 6c1a31ffaa
commit b82c14b3d2
35 changed files with 4521 additions and 283 deletions

View file

@ -171,9 +171,16 @@ func Verify(publicKey PublicKey, message, sig []byte) bool {
edwards25519.ScReduce(&hReduced, &digest)
var R edwards25519.ProjectiveGroupElement
var b [32]byte
copy(b[:], sig[32:])
edwards25519.GeDoubleScalarMultVartime(&R, &hReduced, &A, &b)
var s [32]byte
copy(s[:], sig[32:])
// https://tools.ietf.org/html/rfc8032#section-5.1.7 requires that s be in
// the range [0, order) in order to prevent signature malleability.
if !edwards25519.ScMinimal(&s) {
return false
}
edwards25519.GeDoubleScalarMultVartime(&R, &hReduced, &A, &s)
var checkR [32]byte
R.ToBytes(&checkR)