func unarm_stealth(p string) {
if len(wallet.ArmedStealthSecrets) == 0 {
fmt.Println("You have no armed seed keys")
listarmkeys("")
return
}
if p == "*" || p == "all" {
for i := range wallet.ArmedStealthSecrets {
sys.ClearBuffer(wallet.ArmedStealthSecrets[i])
}
wallet.ArmedStealthSecrets = nil
fmt.Println("Removed all armed stealth keys")
return
}
v, e := strconv.ParseUint(p, 10, 32)
if e != nil {
println(e.Error())
fmt.Println("Specify a valid armed seed key index. Type 'armed seed' to list them.")
return
}
if v >= uint64(len(wallet.ArmedStealthSecrets)) {
fmt.Println("Specify a valid armed seed key index. Type 'armed seed' to list them.")
return
}
sys.ClearBuffer(wallet.ArmedStealthSecrets[v])
wallet.ArmedStealthSecrets = append(wallet.ArmedStealthSecrets[:v],
wallet.ArmedStealthSecrets[v+1:len(wallet.ArmedStealthSecrets)]...)
fmt.Println("Removed armed stealth key number", v)
}
// exit after cleaning up private data from memory
func cleanExit(code int) {
if *verbose {
fmt.Println("Cleaning up private keys")
}
for k := range keys {
sys.ClearBuffer(keys[k].Key)
}
if type2_secret != nil {
sys.ClearBuffer(type2_secret)
}
os.Exit(code)
}
func arm_stealth(p string) {
var buf, b2 [256]byte
create := p != ""
fmt.Print("Enter seed password of the stealth key (empty line to abort) : ")
le := sys.ReadPassword(buf[:])
if le <= 0 {
fmt.Println("Aborted")
return
}
if create {
fmt.Print("Re-enter the seed password : "******"The passwords you entered do not match")
return
}
}
nw := make([]byte, 32)
btc.ShaHash(buf[:le], nw) // seed
sys.ClearBuffer(buf[:le])
btc.ShaHash(nw, nw) // 1st key
wallet.ArmedStealthSecrets = append(wallet.ArmedStealthSecrets, nw)
if create {
fmt.Println("You have created a new stealth scan-key. Make sure to not forget this password!")
pk := btc.PublicFromPrivate(nw, true)
fmt.Println("Public hexdump:", hex.EncodeToString(pk))
fmt.Println(" Go to your wallet machine and execute:")
fmt.Println(" wallet -scankey", hex.EncodeToString(pk), "-prefix 0")
fmt.Println(" (change the prefix to a different value if you want)")
}
fmt.Println("Stealth key number", len(wallet.ArmedStealthSecrets)-1, "has been stored in memory")
fmt.Println("Reloading the current wallet...")
usif.ExecUiReq(&usif.OneUiReq{Handler: func(p string) {
wallet.LoadWallet(wallet.MyWallet.FileName)
}})
show_prompt = false
}
func listarmkeys(p string) {
if p != "seed" {
if len(wallet.StealthSecrets) > 0 {
fmt.Println("Persistent secret scan keys:")
for i := range wallet.StealthSecrets {
pk := btc.PublicFromPrivate(wallet.StealthSecrets[i], true)
fmt.Print(" #", i, " ", hex.EncodeToString(pk))
if p == "addr" {
fmt.Print(" ", btc.NewAddrFromPubkey(pk, btc.AddrVerPubkey(common.Testnet)).String())
}
fmt.Println()
}
} else {
fmt.Println("You have no persistent secret scan keys")
}
}
if p != "file" {
if len(wallet.ArmedStealthSecrets) > 0 {
fmt.Println("Volatile secret scan keys:")
for i := range wallet.ArmedStealthSecrets {
pk := btc.PublicFromPrivate(wallet.ArmedStealthSecrets[i], true)
fmt.Print(" #", i, " ", hex.EncodeToString(pk))
if p == "addr" {
fmt.Print(" ", btc.NewAddrFromPubkey(pk, btc.AddrVerPubkey(common.Testnet)).String())
}
if p == "save" {
fn := common.GocoinHomeDir + "wallet/stealth/" + hex.EncodeToString(pk)
if fi, er := os.Stat(fn); er == nil && fi.Size() >= 32 {
fmt.Print(" already on disk")
} else {
ioutil.WriteFile(fn, wallet.ArmedStealthSecrets[i], 0600)
fmt.Print(" saved")
}
sys.ClearBuffer(wallet.ArmedStealthSecrets[i])
}
fmt.Println()
}
} else {
fmt.Println("You have no volatile secret scan keys")
}
}
if p == "save" {
wallet.ArmedStealthSecrets = nil
wallet.FetchStealthKeys()
}
}
func FreeStealthSecrets() {
for i := range StealthSecrets {
sys.ClearBuffer(StealthSecrets[i])
}
StealthSecrets = nil
}
func getpass() []byte {
var pass [1024]byte
var n int
var e error
var f *os.File
if !*ask4pass {
f, e = os.Open(PassSeedFilename)
if e == nil {
n, e = f.Read(pass[:])
f.Close()
if n <= 0 {
return nil
}
goto check_pass
}
fmt.Println("Seed file", PassSeedFilename, "not found")
}
fmt.Print("Enter your wallet's seed password: "******"" {
if !*singleask {
fmt.Print("Re-enter the seed password (to be sure): ")
var pass2 [1024]byte
p2len := sys.ReadPassword(pass2[:])
if p2len != n || !bytes.Equal(pass[:n], pass2[:p2len]) {
sys.ClearBuffer(pass[:n])
sys.ClearBuffer(pass2[:p2len])
println("The two passwords you entered do not match")
return nil
}
sys.ClearBuffer(pass2[:p2len])
}
if *list {
// Maybe he wants to save the password?
if ask_yes_no("Save the password on disk, so you won't be asked for it later?") {
e = ioutil.WriteFile(PassSeedFilename, pass[:n], 0600)
if e != nil {
fmt.Println("WARNING: Could not save the password", e.Error())
} else {
fmt.Println("The seed password has been stored in", PassSeedFilename)
}
}
}
}
check_pass:
for i := 0; i < n; i++ {
if pass[i] < ' ' || pass[i] > 126 {
fmt.Println("WARNING: Your secret contains non-printable characters")
break
}
}
outpass := make([]byte, n+len(secret_seed))
if len(secret_seed) > 0 {
copy(outpass, secret_seed)
}
copy(outpass[len(secret_seed):], pass[:n])
sys.ClearBuffer(pass[:n])
return outpass
}
// Get the secret seed and generate "keycnt" key pairs (both private and public)
func make_wallet() {
var lab string
load_others()
var seed_key []byte
var hdwal *btc.HDWallet
defer func() {
sys.ClearBuffer(seed_key)
if hdwal != nil {
sys.ClearBuffer(hdwal.Key)
sys.ClearBuffer(hdwal.ChCode)
}
}()
pass := getpass()
if pass == nil {
cleanExit(0)
}
if waltype >= 1 && waltype <= 3 {
seed_key = make([]byte, 32)
btc.ShaHash(pass, seed_key)
sys.ClearBuffer(pass)
lab = fmt.Sprintf("Typ%c", 'A'+waltype-1)
if waltype == 1 {
println("WARNING: Wallet Type 1 is obsolete")
} else if waltype == 2 {
if type2sec != "" {
d, e := hex.DecodeString(type2sec)
if e != nil {
println("t2sec error:", e.Error())
cleanExit(1)
}
type2_secret = d
} else {
type2_secret = make([]byte, 20)
btc.RimpHash(seed_key, type2_secret)
}
}
} else if waltype == 4 {
lab = "TypHD"
hdwal = btc.MasterKey(pass, testnet)
sys.ClearBuffer(pass)
} else {
sys.ClearBuffer(pass)
println("ERROR: Unsupported wallet type", waltype)
cleanExit(1)
}
if *verbose {
fmt.Println("Generating", keycnt, "keys, version", ver_pubkey(), "...")
}
first_determ_idx = len(keys)
for i := uint(0); i < keycnt; {
prv_key := make([]byte, 32)
if waltype == 3 {
btc.ShaHash(seed_key, prv_key)
seed_key = append(seed_key, byte(i))
} else if waltype == 2 {
seed_key = btc.DeriveNextPrivate(seed_key, type2_secret)
copy(prv_key, seed_key)
} else if waltype == 1 {
btc.ShaHash(seed_key, prv_key)
copy(seed_key, prv_key)
} else /*if waltype==4*/ {
// HD wallet
_hd := hdwal.Child(uint32(0x80000000 | i))
copy(prv_key, _hd.Key[1:])
sys.ClearBuffer(_hd.Key)
sys.ClearBuffer(_hd.ChCode)
}
if *scankey != "" {
new_stealth_address(prv_key)
return
}
rec := btc.NewPrivateAddr(prv_key, ver_secret(), !uncompressed)
if *pubkey != "" && *pubkey == rec.BtcAddr.String() {
fmt.Println("Public address:", rec.BtcAddr.String())
fmt.Println("Public hexdump:", hex.EncodeToString(rec.BtcAddr.Pubkey))
return
}
rec.BtcAddr.Extra.Label = fmt.Sprint(lab, " ", i+1)
keys = append(keys, rec)
i++
}
if *verbose {
fmt.Println("Private keys re-generated")
}
}