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ts.go
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ts.go
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package main
import (
"crypto/cipher"
"crypto/x509"
"encoding/base64"
"encoding/pem"
"fmt"
"golang.org/x/crypto/blowfish"
"log"
"os"
)
func main() {
// TimeStamp b64-encoded
ts := ""
// MachineId b64-encoded
iv := ""
tsb, _ := base64.StdEncoding.DecodeString(ts)
ivb, _ := base64.StdEncoding.DecodeString(iv)
raw, _ := os.ReadFile("keys/orig/Unity.Licensing.EntitlementResolver.Unity.cer")
block, _ := pem.Decode(raw)
originalCert, _ := x509.ParseCertificate(block.Bytes)
var b64cert = make([]byte, base64.StdEncoding.EncodedLen(len(originalCert.Raw)))
base64.StdEncoding.Encode(b64cert, originalCert.Raw)
bfc, err := blowfish.NewCipher(b64cert[:16])
if err != nil {
log.Fatal(err)
}
decrypter := cipher.NewCFBDecrypter(bfc, ivb[:bfc.BlockSize()])
decrypter.XORKeyStream(tsb, tsb)
fmt.Println("raw ts: ", string(tsb))
encrypter := cipher.NewCFBEncrypter(bfc, ivb[:bfc.BlockSize()])
encrypter.XORKeyStream(tsb, tsb)
fmt.Println("encoded ts: ", base64.StdEncoding.EncodeToString(tsb))
}