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Add IsOnCurve check to EC unmarshalling in ECIES decryption

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This commit is contained in:
Gustav Simonsson 2015-04-07 17:40:51 +02:00
parent 09147a50ed
commit aa4ff52d84
1 changed files with 4 additions and 0 deletions
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4
crypto/ecies/ecies.go
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@ -303,6 +303,10 @@ func (prv *PrivateKey) Decrypt(rand io.Reader, c, s1, s2 []byte) (m []byte, err
err = ErrInvalidPublicKey
return
}
if !R.Curve.IsOnCurve(R.X, R.Y) {
err = ErrInvalidCurve
return
}
z, err := prv.GenerateShared(R, params.KeyLen, params.KeyLen)
if err != nil {