func generateFromPrivate(in PrivateKeyDat, Private string) PrivateKeyDat {
var answer PrivateKeyDat
answer.Error = in.Error
answer.Priv2WIF = []string{}
answer.WIF2Priv = in.WIF2Priv
answer.WIFChecksum = in.WIFChecksum
answer.Minikey = in.Minikey
curve := bitelliptic.S256()
if bitecdsa.CheckIsOnCurve(curve, mymath.Str2Big(Private)) == false {
if answer.Error == "" {
answer.Error = "Private key is not on curve"
}
answer.Priv2WIF = []string{Private, "", "", "", "", "", ""}
return answer
}
priv := append([]byte{0x80}, mymath.Str2Hex(Private)...)
answer.Priv2WIF = append(answer.Priv2WIF, Private)
answer.Priv2WIF = append(answer.Priv2WIF, mymath.Hex2Str(priv))
sha := mymath.SingleSHA(priv)
answer.Priv2WIF = append(answer.Priv2WIF, mymath.Hex2Str(sha))
sha = mymath.SingleSHA(sha)
answer.Priv2WIF = append(answer.Priv2WIF, mymath.Hex2Str(sha))
answer.Priv2WIF = append(answer.Priv2WIF, mymath.Hex2Str(sha[0:4]))
priv = append(priv, sha[0:4]...)
answer.Priv2WIF = append(answer.Priv2WIF, mymath.Hex2Str(priv))
answer.Priv2WIF = append(answer.Priv2WIF, string(mymath.Hex2Base58(priv)))
return answer
}
func vanityMultTest(w http.ResponseWriter, r *http.Request) {
curve := bitelliptic.S256()
if r.FormValue("Random") != "" {
vd := new(VanityMultData)
priv, gx, gy, _ := curve.GenerateKey(rand.Reader)
vd.Private1 = mymath.Hex2Str(priv)
one, _ := mymath.NewAddressFromPrivateKey(mymath.Str2Hex(vd.Private1))
vd.Public1 = mymath.Hex2Str(one.PublicKey)
curve2 := curve.Copy()
curve2.Gx = gx
curve2.Gy = gy
priv, _, _, _ = curve2.GenerateKey(rand.Reader)
vd.Private2 = mymath.Hex2Str(priv)
two, _ := mymath.NewAddressFromPrivateKeyWithCurve(mymath.Str2Hex(vd.Private2), curve2)
vd.Public2 = mymath.Hex2Str(two.PublicKey)
vd.Public2Address = string(two.Base)
vd.PrivateMult = mymath.Hex2Str(mymath.Big2Hex(mymath.MultiplyPrivateKeys(vd.Private1, vd.Private2)))
zero, _ := mymath.NewAddressFromPrivateKey(mymath.Str2Hex(vd.PrivateMult))
vd.PrivateMultPublic = mymath.Hex2Str(zero.PublicKey)
vd.PrivateMultAddress = string(mymath.NewFromPublicKey(0x00, mymath.Str2Hex(vd.PrivateMultPublic)).Base)
VanityMultTestTemplate.Execute(w, vd)
return
} else if r.FormValue("Private") != "" {
vd := new(VanityMultData)
if bitecdsa.CheckIsOnCurve(curve, mymath.Str2Big(r.FormValue("Private1"))) != true {
vd.Error = "Private key 1 is invalid"
} else {
priv1, _ := bitecdsa.GenerateFromPrivateKey(mymath.Str2Big(r.FormValue("Private1")), curve)
vd.Private1 = mymath.Hex2Str(mymath.Big2Hex(priv1.D))
one, _ := mymath.NewAddressFromPrivateKey(mymath.Str2Hex(vd.Private1))
vd.Public1 = mymath.Hex2Str(one.PublicKey)
curve2 := curve.Copy()
curve2.Gx = priv1.PublicKey.X
curve2.Gy = priv1.PublicKey.Y
if bitecdsa.CheckIsOnCurve(curve2, mymath.Str2Big(r.FormValue("Private2"))) != true {
vd.Error = "Private key 2 is invalid"
} else {
priv2, _ := bitecdsa.GenerateFromPrivateKey(mymath.Str2Big(r.FormValue("Private2")), curve2)
vd.Private2 = mymath.Hex2Str(mymath.Big2Hex(priv2.D))
two, _ := mymath.NewAddressFromPrivateKeyWithCurve(mymath.Str2Hex(vd.Private2), curve2)
vd.Public2 = mymath.Hex2Str(two.PublicKey)
vd.Public2Address = string(two.Base)
vd.PrivateMult = mymath.Hex2Str(mymath.Big2Hex(mymath.MultiplyPrivateKeys(vd.Private1, vd.Private2)))
zero, _ := mymath.NewAddressFromPrivateKey(mymath.Str2Hex(vd.PrivateMult))
vd.PrivateMultPublic = mymath.Hex2Str(zero.PublicKey)
vd.PrivateMultAddress = string(mymath.NewFromPublicKey(0x00, mymath.Str2Hex(vd.PrivateMultPublic)).Base)
}
}
VanityMultTestTemplate.Execute(w, vd)
return
} else if r.FormValue("Public") != "" {
vd := new(VanityMultData)
vd.Public1 = r.FormValue("Public1")
if len(vd.Public1) != 130 {
vd.Error = "Public key is invalid"
} else if vd.Public1[0] != '0' || vd.Public1[1] != '4' {
vd.Error = "Public key is invalid"
} else {
gx, gy := mymath.PublicKeyToPointCoordinates(vd.Public1)
curve2 := curve.Copy()
curve2.Gx = gx
curve2.Gy = gy
vd.Private1 = ""
if bitecdsa.CheckIsOnCurve(curve2, mymath.Str2Big(r.FormValue("Private2"))) != true {
vd.Error = "Private key is invalid"
} else {
priv2, _ := bitecdsa.GenerateFromPrivateKey(mymath.Str2Big(r.FormValue("Private2")), curve2)
vd.Private2 = mymath.Hex2Str(mymath.Big2Hex(priv2.D))
two, _ := mymath.NewAddressFromPrivateKeyWithCurve(mymath.Str2Hex(vd.Private2), curve2)
vd.Public2 = mymath.Hex2Str(two.PublicKey)
vd.Public2Address = string(two.Base)
vd.PrivateMult = "??"
vd.PrivateMultPublic = "??"
vd.PrivateMultAddress = "??"
}
}
VanityMultTestTemplate.Execute(w, vd)
return
} else {
VanityMultTestTemplate.Execute(w, DefaultVanityMultData)
}
}
func vanitySumTest(w http.ResponseWriter, r *http.Request) {
if r.FormValue("Random") != "" {
vd := new(VanitySumData)
curve := bitelliptic.S256()
priv, _, _, _ := curve.GenerateKey(rand.Reader)
vd.Private1 = mymath.Hex2Str(priv)
priv, _, _, _ = curve.GenerateKey(rand.Reader)
vd.Private2 = mymath.Hex2Str(priv)
vd.PrivateSum = mymath.Hex2Str(mymath.Big2Hex(mymath.AddPrivateKeys(vd.Private1, vd.Private2)))
zero, _ := mymath.NewAddressFromPrivateKey(mymath.Str2Hex(vd.PrivateSum))
vd.PrivateSumPublic = mymath.Hex2Str(zero.PublicKey)
vd.PrivateSumAddress = string(mymath.NewFromPublicKey(0x00, mymath.Str2Hex(vd.PrivateSumPublic)).Base)
one, _ := mymath.NewAddressFromPrivateKey(mymath.Str2Hex(vd.Private1))
two, _ := mymath.NewAddressFromPrivateKey(mymath.Str2Hex(vd.Private2))
vd.Public1 = mymath.Hex2Str(one.PublicKey)
vd.Public2 = mymath.Hex2Str(two.PublicKey)
a, b := mymath.AddPublicKeys(vd.Public1, vd.Public2)
vd.PublicSum = "04" + mymath.Hex2Str(mymath.Big2HexPadded(a, 32)) + mymath.Hex2Str(mymath.Big2HexPadded(b, 32))
vd.PublicAddress = string(mymath.NewFromPublicKey(0x00, mymath.Str2Hex(vd.PublicSum)).Base)
VanitySumTestTemplate.Execute(w, vd)
} else if r.FormValue("Private") != "" {
vd := new(VanitySumData)
vd.Private1 = r.FormValue("Private1")
vd.Private2 = r.FormValue("Private2")
curve := bitelliptic.S256()
if bitecdsa.CheckIsOnCurve(curve, mymath.Str2Big(vd.Private1)) == false || bitecdsa.CheckIsOnCurve(curve, mymath.Str2Big(vd.Private2)) == false {
if bitecdsa.CheckIsOnCurve(curve, mymath.Str2Big(vd.Private1)) == false && bitecdsa.CheckIsOnCurve(curve, mymath.Str2Big(vd.Private2)) == false {
vd.Error = "Both private keys appear to be invalid"
} else if bitecdsa.CheckIsOnCurve(curve, mymath.Str2Big(vd.Private1)) == false {
vd.Error = fmt.Sprintf("Private key one (%s) appears to be invalid", vd.Private1)
} else if bitecdsa.CheckIsOnCurve(curve, mymath.Str2Big(vd.Private2)) == false {
vd.Error = fmt.Sprintf("Private key two (%s) appears to be invalid", vd.Private2)
} else {
vd.Error = "One of the private keys is invalid, but we can't figure out which (this is an unexpected server behaviour)."
}
} else {
vd.PrivateSum = mymath.Hex2Str(mymath.Big2Hex(mymath.AddPrivateKeys(vd.Private1, vd.Private2)))
zero, _ := mymath.NewAddressFromPrivateKey(mymath.Str2Hex(vd.PrivateSum))
vd.PrivateSumPublic = mymath.Hex2Str(zero.PublicKey)
vd.PrivateSumAddress = string(mymath.NewFromPublicKey(0x00, mymath.Str2Hex(vd.PrivateSumPublic)).Base)
one, _ := mymath.NewAddressFromPrivateKey(mymath.Str2Hex(vd.Private1))
two, _ := mymath.NewAddressFromPrivateKey(mymath.Str2Hex(vd.Private2))
vd.Public1 = mymath.Hex2Str(one.PublicKey)
vd.Public2 = mymath.Hex2Str(two.PublicKey)
a, b := mymath.AddPublicKeys(vd.Public1, vd.Public2)
vd.PublicSum = "04" + mymath.Hex2Str(mymath.Big2HexPadded(a, 32)) + mymath.Hex2Str(mymath.Big2HexPadded(b, 32))
vd.PublicAddress = string(mymath.NewFromPublicKey(0x00, mymath.Str2Hex(vd.PublicSum)).Base)
}
VanitySumTestTemplate.Execute(w, vd)
} else if r.FormValue("Public") != "" {
vd := new(VanitySumData)
vd.Public1 = r.FormValue("Public1")
vd.Public2 = r.FormValue("Public2")
if len(vd.Public1) != 130 || len(vd.Public2) != 130 {
vd.Error = "Public keys are invalid"
} else if vd.Public1[0] != '0' || vd.Public1[1] != '4' || vd.Public2[0] != '0' || vd.Public2[1] != '4' {
vd.Error = "Public keys are invalid"
} else {
a, b := mymath.AddPublicKeys(vd.Public1, vd.Public2)
vd.PublicSum = "04" + mymath.Hex2Str(mymath.Big2HexPadded(a, 32)) + mymath.Hex2Str(mymath.Big2HexPadded(b, 32))
vd.PublicAddress = string(mymath.NewFromPublicKey(0x00, mymath.Str2Hex(vd.PublicSum)).Base)
}
VanitySumTestTemplate.Execute(w, vd)
} else {
VanitySumTestTemplate.Execute(w, DefaultVanitySumData)
}
}