diff options
Diffstat (limited to 'crypto/signature_cgo.go')
| -rw-r--r-- | crypto/signature_cgo.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/crypto/signature_cgo.go b/crypto/signature_cgo.go index 381d8a1bb..340bfc221 100644 --- a/crypto/signature_cgo.go +++ b/crypto/signature_cgo.go @@ -76,6 +76,11 @@ func DecompressPubkey(pubkey []byte) (*ecdsa.PublicKey, error) { return &ecdsa.PublicKey{X: x, Y: y, Curve: S256()}, nil } +// CompressPubkey encodes a public key to the 33-byte compressed format. +func CompressPubkey(pubkey *ecdsa.PublicKey) []byte { + return secp256k1.CompressPubkey(pubkey.X, pubkey.Y) +} + // S256 returns an instance of the secp256k1 curve. func S256() elliptic.Curve { return secp256k1.S256() |