func (round *RoundCosi) CheckChildren() {
c := round.Node.Children(round.Node.ViewNo)
if len(c) != len(round.Cosi.Children) {
dbg.Print("Children in cosi and node are different")
dbg.Printf("round.Cosi: %+v", round.Cosi)
dbg.Printf("Node.Children: %+v", round.Node.Children(round.Node.ViewNo))
dbg.Print("viewNbr:", round.SaveViewNo, "Node.ViewNo:", round.Node.ViewNo)
debug.PrintStack()
}
}
func (round *RoundSwsign) SignatureBroadcast(in *sign.SigningMessage, out []*sign.SigningMessage) error {
err := round.RoundException.SignatureBroadcast(in, out)
if round.IsRoot {
dbg.Print("Broadcasting signature")
round.Signature <- *in.SBm
}
return err
}
// Verify signature takes a file name and the name of the signature file
// if signature file is empty ( sigFile == ""), then the signature file is
// simply the name of the file appended with ".sig" extension.
func VerifyFileSignature(file, sigFile string) bool {
if file == "" {
dbg.Fatal("Can not verify anything with an empty file name !")
}
// by default
if sigFile == "" {
sigFile = file + sigExtension
}
// read the sig
signature := conode.StampSignature{
SuiteStr: suite.String(),
}
if err := signature.Open(sigFile); err != nil {
dbg.Fatal("Couldn't read signature-file", sigFile, ":", err)
}
hash := hashFile(file)
dbg.Print(base64.StdEncoding.EncodeToString(hash))
// Then verify the proper signature
return conode.VerifySignature(suite, &signature, public_X0, hash)
}