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Merge pull request #1296 from lucas-clemente/fix-1292

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simplify curve 25519 key generation
This commit is contained in:
Marten Seemann
2018-04-17 19:13:40 +09:00
committed by GitHub
parent ef286afa3c 6bc93a00e2
commit 5f5a8a5aa6
1 changed files with 0 additions and 4 deletions
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4
internal/crypto/curve_25519.go
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@@ -21,10 +21,6 @@ func NewCurve25519KEX() (KeyExchange, error) {
if _, err := rand.Read(c.secret[:]); err != nil { if _, err := rand.Read(c.secret[:]); err != nil {
return nil, errors.New("Curve25519: could not create private key") return nil, errors.New("Curve25519: could not create private key")
} }
// See https://cr.yp.to/ecdh.html
c.secret[0] &= 248
c.secret[31] &= 127
c.secret[31] |= 64
curve25519.ScalarBaseMult(&c.public, &c.secret) curve25519.ScalarBaseMult(&c.public, &c.secret)
return c, nil return c, nil
} }