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| author | Gustav Simonsson <gustav.simonsson@gmail.com> | 2015-09-30 01:37:44 +0800 |
|---|---|---|
| committer | Gustav Simonsson <gustav.simonsson@gmail.com> | 2015-11-30 20:43:32 +0800 |
| commit | c8ad64f33cd04fc10ac6681260ea06e464908c91 (patch) | |
| tree | bd48055c50b57e2b17ca0bde4e9e5ae9ba7ca5ce /crypto/ecies/ecies.go | |
| parent | 27a50c8f4bc69f98e20db361859bfbb6cf371c00 (diff) | |
| download | dexon-c8ad64f33cd04fc10ac6681260ea06e464908c91.tar.gz dexon-c8ad64f33cd04fc10ac6681260ea06e464908c91.tar.zst dexon-c8ad64f33cd04fc10ac6681260ea06e464908c91.zip | |
crypto, crypto/ecies, crypto/secp256k1: libsecp256k1 scalar mult
thanks to Felix Lange (fjl) for help with design & impl
Diffstat (limited to 'crypto/ecies/ecies.go')
| -rw-r--r-- | crypto/ecies/ecies.go | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/crypto/ecies/ecies.go b/crypto/ecies/ecies.go index a3b520dd5..65dc5b38b 100644 --- a/crypto/ecies/ecies.go +++ b/crypto/ecies/ecies.go @@ -125,6 +125,7 @@ func (prv *PrivateKey) GenerateShared(pub *PublicKey, skLen, macLen int) (sk []b if skLen+macLen > MaxSharedKeyLength(pub) { return nil, ErrSharedKeyTooBig } + x, _ := pub.Curve.ScalarMult(pub.X, pub.Y, prv.D.Bytes()) if x == nil { return nil, ErrSharedKeyIsPointAtInfinity |