asn1.go

package main

import (
	"encoding/asn1"
	"fmt"
)

type attr struct {
	Type    int
	Version int
	Value   []byte
}

func main() {
	var ra1 attr
	ra1.Type = 0
	v1, _ := asn1.Marshal("ProductionSandbox")
	ra1.Value = v1

	var ra2 attr
	ra2.Type = 2
	v2, _ := asn1.Marshal(34)
	ra2.Value = v2

	data, _ := asn1.Marshal([]attr{ra1, ra2})

	var r asn1.RawValue
	asn1.Unmarshal(data, &r)

	data = r.Bytes
	for len(data) > 0 {
		var ra attr
		data, _ = asn1.Unmarshal(data, &ra)

		switch ra.Type {
		case 0:
			var s string
			if _, err := asn1.Unmarshal(ra.Value, &s); err != nil {
				fmt.Println(err)
			} else {
				fmt.Println(s)
			}
		case 2:
			var i int64
			if _, err := asn1.Unmarshal(ra.Value, &i); err != nil {
				fmt.Println(err)
			} else {
				fmt.Println(i)
			}

		}
	}
}