// GoPublicKey converts the provided Java PublicKey into Go PublicKey.
func GoPublicKey(env jutil.Env, jKey jutil.Object) (security.PublicKey, error) {
der, err := JavaPublicKeyToDER(env, jKey)
if err != nil {
return nil, err
}
return security.UnmarshalPublicKey(der)
}
func (s *signer) PublicKey() security.PublicKey {
env, freeFunc := jutil.GetEnv()
defer freeFunc()
publicKeySign := jutil.ClassSign("java.security.interfaces.ECPublicKey")
jPublicKey, err := jutil.CallObjectMethod(env, s.jSigner, "publicKey", nil, publicKeySign)
if err != nil {
log.Printf("Couldn't get Java public key: %v", err)
return nil
}
// Get the encoded version of the public key.
encoded, err := jutil.CallByteArrayMethod(env, jPublicKey, "getEncoded", nil)
if err != nil {
log.Printf("Couldn't get encoded data for Java public key: %v", err)
return nil
}
key, err := security.UnmarshalPublicKey(encoded)
if err != nil {
log.Printf("Couldn't parse Java ECDSA public key: " + err.Error())
return nil
}
return key
}