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package com.netscape.security.util;
import netscape.security.util.DerValue;
import org.mozilla.jss.asn1.ASN1Template;
import org.mozilla.jss.asn1.ASN1Util;
import org.mozilla.jss.asn1.ASN1Value;
import org.mozilla.jss.asn1.BMPString;
import org.mozilla.jss.asn1.IA5String;
import org.mozilla.jss.asn1.PrintableString;
import org.mozilla.jss.asn1.Tag;
import org.mozilla.jss.asn1.TeletexString;
import org.mozilla.jss.asn1.UTF8String;
import org.mozilla.jss.asn1.UniversalString;
public class JSSUtil {
public static byte[] encode(byte tag, String string) throws Exception {
ASN1Value value;
switch (tag) {
case DerValue.tag_BMPString:
value = new BMPString(string);
break;
case DerValue.tag_IA5String:
value = new IA5String(string);
break;
case DerValue.tag_PrintableString:
value = new PrintableString(string);
break;
case DerValue.tag_T61String:
value = new TeletexString(string);
break;
case DerValue.tag_UniversalString:
value = new UniversalString(string);
break;
case DerValue.tag_UTF8String:
value = new UTF8String(string);
break;
default:
throw new Exception("Unsupported tag: "+tag);
}
return ASN1Util.encode(value);
}
public static String decode(byte tag, byte[] bytes) throws Exception {
ASN1Template template;
switch (tag) {
case DerValue.tag_BMPString:
template = new BMPString.Template();
break;
case DerValue.tag_IA5String:
template = new IA5String.Template();
break;
case DerValue.tag_PrintableString:
template = new PrintableString.Template();
break;
case DerValue.tag_T61String:
template = new TeletexString.Template();
break;
case DerValue.tag_UniversalString:
template = new UniversalString.Template();
break;
case DerValue.tag_UTF8String:
template = new UTF8String.Template();
break;
default:
throw new Exception("Unsupported tag: "+tag);
}
return ASN1Util.decode(new Tag(Tag.UNIVERSAL, tag), template, bytes).toString();
}
}
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