var publicKey *rsa.PublicKey = (*rsa.PublicKey)(unsafe.Pointer(reflect.ValueOf(pubKey).Pointer()))
    var hashAlg crypto.Hash
    var hashLen int
    switch (signee.SignitureAlgorithm.Algorithm.String()){
        case "1.2.840.113549.1.1.4":
            if !crypto.MD5.Available() {
                fmt.Println("crypto/md5 not linked")
                panic(1)
            }
            hashAlg = crypto.MD5
            hashLen = 16
            break
        case "1.2.840.113549.1.1.5":
            if !crypto.SHA1.Available() {
                fmt.Println("crypto/sha1 not linked")
                panic(1)
            }
            hashAlg = crypto.SHA1
            hashLen = 20
            break

        case "1.2.840.113549.1.1.12":
            if !crypto.SHA384.Available() {
                fmt.Println("crypto/sha512 not linked (384)")
                panic(1)
            }
            hashAlg = crypto.SHA384
            hashLen = 48
            break
        case "1.2.840.113549.1.1.11":
            if !crypto.SHA256.Available() {
                fmt.Println("crypto/sha256 not linked")
                panic(1)
            }
            hashAlg = crypto.SHA256
            hashLen = 32
            break
        case "1.2.840.113549.1.1.13":
            if !crypto.SHA512.Available() {
                fmt.Println("crypto/sha512 not linked")
                panic(1)
            }
            hashAlg = crypto.SHA512
            hashLen = 64
            break
        default:
            println(signee.SignitureAlgorithm.Algorithm.String())
            panic(1)

    }
    pkac, err := asn1.Marshal(signee.PublicKeyAndChallenge)
    if err != nil {
        log.Fatal(err)
    }
    pkacHash := hashAlg.New().Sum(pkac)
    hash := pkacHash[len(pkacHash) - hashLen:]
    fmt.Printf("%v \t Start: %v, Len: %v, Alg: %v\n", hash, len(pkacHash)-hashLen, hashLen, hashAlg)
    err = rsa.VerifyPKCS1v15(publicKey, hashAlg, hash, signee.Signiture.Bytes)
    if err != nil {
        log.Fatal(err)
    }