func main() {
var challenge = os.Args[1]
var err error
var parthandle *os.File
parthandle, err = os.Open(os.Args[2])
if err != nil {
log.Fatal(err)
}
var partreader = bufio.NewReader(parthandle)
var randreader *os.File
randreader, err = os.Open("/dev/random")
if err != nil {
log.Fatal(err)
}
var group *bbssig.Group = new(bbssig.Group)
var mem *bbssig.MemberKey = new(bbssig.MemberKey)
var hash = sha256.New()
var cb []byte
var response []byte
objpack.UnPackPart(partreader, group, mem)
cb, err = base64.StdEncoding.DecodeString(challenge)
if err != nil {
log.Fatal("Invalid Challenge")
}
response, err = mem.Sign(randreader, cb, hash)
if err != nil {
log.Fatal(err)
}
basepack.Packout(os.Stdout, response)
}
func main() {
var err error
var parthandle *os.File
parthandle, err = os.Open(os.Args[1])
if err != nil {
log.Fatal(err)
}
var partreader = bufio.NewReader(parthandle)
var group *bbssig.Group = new(bbssig.Group)
var part *bbssig.MemberKey = new(bbssig.MemberKey)
objpack.UnPackPart(partreader, group, part)
var tagbytes = part.Tag()
fmt.Printf("Tag is %s\n", base64.StdEncoding.EncodeToString(tagbytes))
}
