org.snmp4j.asn1.BER Maven / Gradle / Ivy
/*_############################################################################
_##
_## SNMP4J - BER.java
_##
_## Copyright (C) 2003-2018 Frank Fock and Jochen Katz (SNMP4J.org)
_##
_## Licensed under the Apache License, Version 2.0 (the "License");
_## you may not use this file except in compliance with the License.
_## You may obtain a copy of the License at
_##
_## http://www.apache.org/licenses/LICENSE-2.0
_##
_## Unless required by applicable law or agreed to in writing, software
_## distributed under the License is distributed on an "AS IS" BASIS,
_## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
_## See the License for the specific language governing permissions and
_## limitations under the License.
_##
_##########################################################################*/
package org.snmp4j.asn1;
import java.io.OutputStream;
import java.io.IOException;
import java.math.BigInteger;
/**
* The BER class provides utility methods for the BER encoding and decoding.
*
* @author Frank Fock
* @author Jochen Katz
* @version 2.5.8
*/
public class BER {
public static final byte ASN_BOOLEAN = 0x01;
public static final byte ASN_INTEGER = 0x02;
public static final byte ASN_BIT_STR = 0x03;
public static final byte ASN_OCTET_STR = 0x04;
public static final byte ASN_NULL = 0x05;
public static final byte ASN_OBJECT_ID = 0x06;
public static final byte ASN_SEQUENCE = 0x10;
public static final byte ASN_SET = 0x11;
public static final byte ASN_UNIVERSAL = 0x00;
public static final byte ASN_APPLICATION = 0x40;
public static final byte ASN_CONTEXT = (byte)0x80;
public static final byte ASN_PRIVATE = (byte)0xC0;
public static final byte ASN_PRIMITIVE = (byte)0x00;
public static final byte ASN_CONSTRUCTOR = (byte)0x20;
public static final byte ASN_LONG_LEN = (byte)0x80;
public static final byte ASN_EXTENSION_ID = (byte)0x1F;
public static final byte ASN_BIT8 = (byte)0x80;
public static final byte INTEGER = ASN_UNIVERSAL | 0x02;
public static final byte INTEGER32 = ASN_UNIVERSAL | 0x02;
public static final byte BITSTRING = ASN_UNIVERSAL | 0x03;
public static final byte OCTETSTRING = ASN_UNIVERSAL | 0x04;
public static final byte NULL = ASN_UNIVERSAL | 0x05;
public static final byte OID = ASN_UNIVERSAL | 0x06;
public static final byte SEQUENCE = ASN_CONSTRUCTOR | 0x10;
public static final byte IPADDRESS = ASN_APPLICATION | 0x00;
public static final byte COUNTER = ASN_APPLICATION | 0x01;
public static final byte COUNTER32 = ASN_APPLICATION | 0x01;
public static final byte GAUGE = ASN_APPLICATION | 0x02;
public static final byte GAUGE32 = ASN_APPLICATION | 0x02;
public static final byte TIMETICKS = ASN_APPLICATION | 0x03;
public static final byte OPAQUE = ASN_APPLICATION | 0x04;
public static final byte COUNTER64 = ASN_APPLICATION | 0x06;
public static final int NOSUCHOBJECT = 0x80;
public static final int NOSUCHINSTANCE = 0x81;
public static final int ENDOFMIBVIEW = 0x82;
private static final int LENMASK = 0x0ff;
public static final int MAX_OID_LENGTH = 127;
private static boolean checkSequenceLength = true;
private static boolean checkValueLength = true;
private static boolean checkFirstSubID012 = true;
/**
* The {@code MutableByte} class serves for exchanging type information
* from the various decode* methods.
*
* @author Frank Fock
* @version 1.0
*/
public static class MutableByte {
byte value = 0;
public MutableByte() { }
public MutableByte(byte value) {
setValue(value);
}
public void setValue(byte value) {
this.value = value;
}
public byte getValue() {
return value;
}
}
/**
* Encodes an ASN.1 header for an object with the ID and
* length specified.
* @param os
* an {@code OutputStream} to which the header is encoded.
* @param type
* the type of the ASN.1 object. Must be < 30, i.e. no extension octets.
* @param length
* the length of the object. The maximum length is 0xFFFFFFFF;
* @throws IOException
* if the output stream fails to store the encoded header.
*/
public static void encodeHeader(OutputStream os, int type, int length)
throws IOException
{
os.write(type);
encodeLength(os, length);
}
/**
* Encodes an ASN.1 header for an object with the ID and
* length specified with a fixed length of the encoded length as supplied.
* @param os
* an {@code OutputStream} to which the header is encoded.
* @param type
* the type of the ASN.1 object. Must be < 30, i.e. no extension octets.
* @param length
* the length of the object. The maximum length is 0xFFFFFFFF;
* @param numBytesLength
* the number of bytes used to encode the length of the length.
* @throws IOException
* if the output stream fails to store the encoded header.
*/
public static void encodeHeader(OutputStream os, int type, int length,
int numBytesLength)
throws IOException
{
os.write(type);
encodeLength(os, length, numBytesLength);
}
/**
* Compute the space needed to encode the length.
*
* @param length
* Length to encode
* @return
* the count of bytes needed to encode the value {@code length}
*/
public static int getBERLengthOfLength(int length) {
if (length < 0) {
return 5;
}
else if (length < 0x80){
return 1;
}
else if (length <= 0xFF){
return 2;
}
else if (length <= 0xFFFF) { /* 0xFF < length <= 0xFFFF */
return 3;
}
else if (length <= 0xFFFFFF) { /* 0xFFFF < length <= 0xFFFFFF */
return 4;
}
return 5;
}
/**
* Encodes the length of an ASN.1 object.
* @param os
* an {@code OutputStream} to which the length is encoded.
* @param length
* the length of the object. The maximum length is 0xFFFFFFFF;
* @throws IOException
* if the output stream fails to store the encoded length.
*/
public static void encodeLength(OutputStream os, int length)
throws IOException
{
if (length < 0) {
os.write(0x04 | ASN_LONG_LEN);
os.write((length >> 24) & 0xFF);
os.write((length >> 16) & 0xFF);
os.write((length >> 8) & 0xFF);
os.write(length & 0xFF);
}
else if (length < 0x80){
os.write(length);
}
else if (length <= 0xFF){
os.write((0x01 | ASN_LONG_LEN));
os.write(length);
}
else if (length <= 0xFFFF) { /* 0xFF < length <= 0xFFFF */
os.write(0x02 | ASN_LONG_LEN);
os.write((length >> 8) & 0xFF);
os.write(length & 0xFF);
}
else if (length <= 0xFFFFFF) { /* 0xFFFF < length <= 0xFFFFFF */
os.write(0x03 | ASN_LONG_LEN);
os.write((length >> 16) & 0xFF);
os.write((length >> 8) & 0xFF);
os.write(length & 0xFF);
}
else {
os.write(0x04 | ASN_LONG_LEN);
os.write((length >> 24) & 0xFF);
os.write((length >> 16) & 0xFF);
os.write((length >> 8) & 0xFF);
os.write(length & 0xFF);
}
}
/**
* Encodes the length of an ASN.1 object.
* @param os
* an {@code OutputStream} to which the length is encoded.
* @param length
* the length of the object. The maximum length is 0xFFFFFFFF;
* @param numLengthBytes
* the number of bytes to be used to encode the length using the long
* form.
* @throws IOException
* if the output stream fails to store the encoded length.
*/
public static void encodeLength(OutputStream os, int length,
int numLengthBytes)
throws IOException
{
os.write((numLengthBytes | ASN_LONG_LEN));
for (int i=(numLengthBytes-1)*8; i>=0; i-=8) {
os.write(((length >> i) & 0xFF));
}
}
/**
* Encode a signed integer.
* @param os
* an {@code OutputStream} to which the length is encoded.
* @param type
* the tag type for the integer (typically 0x02)
* @param value
* the integer value to encode.
* @throws IOException
* if the output stream fails to store the encoded integer.
*/
public static void encodeInteger(OutputStream os, byte type, int value)
throws IOException
{
int integer = value;
int mask;
int intsize = 4;
/*
* Truncate "unnecessary" bytes off of the most significant end of this
* 2's complement integer. There should be no sequence of 9
* consecutive 1's or 0's at the most significant end of the
* integer.
*/
mask = 0x1FF << ((8 * 3) - 1);
/* mask is 0xFF800000 on a big-endian machine */
while((((integer & mask) == 0) || ((integer & mask) == mask))
&& intsize > 1){
intsize--;
integer <<= 8;
}
encodeHeader(os, type, intsize);
mask = 0xFF << (8 * 3);
/* mask is 0xFF000000 on a big-endian machine */
while ((intsize--) > 0){
os.write(((integer & mask) >> (8 * 3)));
integer <<= 8;
}
}
/**
* Encode a signed integer.
* @param os
* an {@code OutputStream} to which the length is encoded.
* @param type
* the tag type for the integer (typically 0x02)
* @param value
* the integer value to encode.
* @throws IOException
* if the output stream fails to store the encoded integer.
*/
public static void encodeBigInteger(OutputStream os, byte type, BigInteger value)
throws IOException
{
byte[] bytes = value.toByteArray();
encodeHeader(os, type, bytes.length);
os.write(bytes);
}
/**
* Get the BER encoded length of a BigInteger value.
* @param value
* a BigInteger value with a length that is less 2^31.
* @return
* the length of the BER encoding of the supplied BigInteger as INTEGER value.
*/
public static int getBigIntegerBERLength(BigInteger value) {
int length = value.toByteArray().length;
return length + getBERLengthOfLength(length) + 1;
}
/**
* Encode an unsigned integer.
* ASN.1 integer ::= 0x02 asnlength byte {byte}*
* @param os
* an {@code OutputStream} to which the length is encoded.
* @param type
* the tag type for the integer (typically 0x02)
* @param value
* the integer value to encode.
* @throws IOException
* if the output stream fails to store the encoded value.
*/
public static void encodeUnsignedInteger(OutputStream os, byte type, long value)
throws IOException
{
// figure out the len
int len = 1;
if ((( value >> 24) & LENMASK) != 0) {
len = 4;
}
else if ((( value >> 16) & LENMASK) !=0) {
len = 3;
}
else if ((( value >> 8) & LENMASK) !=0) {
len = 2;
}
// check for 5 byte len where first byte will be
// a null
if ((( value >> (8 * (len -1))) & 0x080) !=0) {
len++;
}
// build up the header
encodeHeader(os, type, len); // length of BER encoded item
// special case, add a null byte for len of 5
if (len == 5) {
os.write(0);
for (int x=1; x> (8 * (4 - x) & LENMASK)));
}
}
else
{
for (int x=0; x> (8 * ((len - 1) - x) & LENMASK)));
}
}
}
/**
* Encode an ASN.1 octet string filled with the supplied input string.
* @param os
* an {@code OutputStream} to which the length is encoded.
* @param type
* the tag type for the integer (typically 0x02)
* @param string
* the {@code byte} array containing the octet string value.
* @throws IOException
* if the output stream fails to store the encoded value.
*/
public static void encodeString(OutputStream os, byte type, byte[] string)
throws IOException
{
/*
* ASN.1 octet string ::= primstring | cmpdstring
* primstring ::= 0x04 asnlength byte {byte}*
* cmpdstring ::= 0x24 asnlength string {string}*
* This code will never send a compound string.
*/
encodeHeader(os, type, string.length);
// fixed
os.write(string);
}
/**
* Encode an ASN.1 header for a sequence with the ID and length specified.
* This only works on data types < 30, i.e. no extension octets.
* The maximum length is 0xFFFF;
*
* @param os
* an {@code OutputStream} to which the length is encoded.
* @param type
* the tag type for the integer (typically 0x02)
* @param length
* the length of the sequence to encode.
* @throws IOException
* if the output stream fails to store the encoded value.
*/
public static void encodeSequence(OutputStream os, byte type, int length)
throws IOException
{
os.write(type);
encodeLength(os, length);
}
/**
* Gets the payload length in bytes of the BER encoded OID value.
* @param value
* an array of unsigned integer values representing an object identifier.
* @return
* the BER encoded length of the OID without header and length.
*/
public static int getOIDLength(int[] value) {
int length = 1;
if (value.length > 1) { // for first 2 subids, one sub-id is saved by special encoding
length = getSubIDLength((value[0] * 40) + value[1]);
}
for (int i = 2; i < value.length; i++) {
length += getSubIDLength(value[i]);
}
return length;
}
public static int getSubIDLength(int subID) {
int length;
long v = subID & 0xFFFFFFFFL;
if (v < 0x80) { // 7 bits long subid
length = 1;
}
else if (v < 0x4000) { // 14 bits long subid
length = 2;
}
else if (v < 0x200000) { // 21 bits long subid
length = 3;
}
else if (v < 0x10000000) { // 28 bits long subid
length = 4;
}
else { // 32 bits long subid
length = 5;
}
return length;
}
/**
* Encode an ASN.1 oid filled with the supplied oid value.
*
* @param os
* an {@code OutputStream} to which the length is encoded.
* @param type
* the tag type for the integer (typically 0x06)
* @param oid
* the {@code int} array containing the OID value.
* @throws IOException
* if the output stream fails to store the encoded value.
*/
public static void encodeOID(OutputStream os, byte type, int[] oid)
throws IOException
{
/*
* ASN.1 objid ::= 0x06 asnlength subidentifier {subidentifier}*
* subidentifier ::= {leadingbyte}* lastbyte
* leadingbyte ::= 1 7bitvalue
* lastbyte ::= 0 7bitvalue
*/
encodeHeader(os, type, getOIDLength(oid));
int encodedLength = oid.length;
int rpos = 0;
if (oid.length < 2){
os.write(0);
encodedLength = 0;
}
else {
int firstSubID = oid[0];
if (checkFirstSubID012 && (firstSubID < 0 || firstSubID > 2)) {
throw new IOException("Invalid first sub-identifier (must be 0, 1, or 2)");
}
encodeSubID(os, oid[1] + (firstSubID * 40));
encodedLength -= 2;
rpos = 2;
}
while (encodedLength-- > 0){
encodeSubID(os, oid[rpos++]);
}
}
public static void encodeSubID(OutputStream os, int subID) throws IOException {
long subid = (subID & 0xFFFFFFFFL);
if (subid < 127) {
os.write((int)subid & 0xFF);
}
else {
long mask = 0x7F; /* handle subid == 0 case */
long bits = 0;
/* testmask *MUST* !!!! be of an unsigned type */
for (long testmask = 0x7F, testbits = 0; testmask != 0;
testmask <<= 7, testbits += 7) {
if ((subid & testmask) > 0) { /* if any bits set */
mask = testmask;
bits = testbits;
}
}
/* mask can't be zero here */
for (; mask != 0x7F; mask >>= 7, bits -= 7){
/* fix a mask that got truncated above */
if (mask == 0x1E00000) {
mask = 0xFE00000;
}
os.write((int)(((subid & mask) >> bits) | ASN_BIT8));
}
os.write((int)(subid & mask));
}
}
public static void encodeUnsignedInt64(OutputStream os, byte type, long value)
throws IOException
{
int len;
/*
* Truncate "unnecessary" bytes off of the most significant end of this
* 2's complement integer. There should be no sequence of 9
* consecutive 1's or 0's at the most significant end of the
* integer.
*/
for (len = 8; len > 1; len--) {
if (((value >> (8 * (len - 1))) & 0xFF) != 0) {
break;
}
}
if ((( value >> (8 * (len -1))) & 0x080) !=0) {
len++;
}
encodeHeader(os, type, len);
if (len == 9) {
os.write(0);
len--;
}
for (int x=0; x> (8 * ((len - 1) - x) & LENMASK)));
}
}
/**
* Decodes a ASN.1 length.
* @param is
* an {@code InputStream}
* @return
* the decoded length.
* @throws IOException
* if the input stream contains an invalid BER encoding or an IO
* exception occurred while reading from the stream.
*/
public static int decodeLength(BERInputStream is)
throws IOException
{
return decodeLength(is, true);
}
/**
* Decodes a ASN.1 length.
* @param is
* an {@code InputStream}
* @param checkLength
* if {@code false} length check is always suppressed.
* @return
* the decoded length.
* @throws IOException
* if the input stream contains an invalid BER encoding or an IO
* exception occurred while reading from the stream.
*/
public static int decodeLength(BERInputStream is, boolean checkLength)
throws IOException
{
int length = 0;
int lengthbyte = is.read();
if ((lengthbyte & ASN_LONG_LEN) > 0) {
lengthbyte &= ~ASN_LONG_LEN; /* turn MSb off */
if (lengthbyte == 0){
throw new IOException("Indefinite lengths are not supported");
}
if (lengthbyte > 4){
throw new IOException("Data length > 4 bytes are not supported!");
}
for (int i=0; i 2^31");
}
}
else { /* short asnlength */
length = lengthbyte & 0xFF;
}
/*
* If activated we do a length check here: length > is.available() then throw
* exception
*/
if (checkLength) {
checkLength(is, length);
}
return length;
}
/**
* Decodes an ASN.1 header for an object with the ID and
* length specified.
* On entry, datalength is input as the number of valid bytes following
* "data". On exit, it is returned as the number of valid bytes
* in this object following the id and length.
*
* This only works on data types < 30, i.e. no extension octets.
* The maximum length is 0xFFFF;
*
* @param is
* the BERInputStream to decode.
* @param type
* returns the type of the object at the current position in the input
* stream.
* @param checkLength
* if {@code false} length check is always suppressed.
* @return
* the decoded length of the object.
* @throws IOException
* if the input stream contains an invalid BER encoding or an IO
* exception occurred while reading from the stream.
*/
public static int decodeHeader(BERInputStream is, MutableByte type,
boolean checkLength)
throws IOException
{
/* this only works on data types < 30, i.e. no extension octets */
byte t = (byte)is.read();
if ((t & ASN_EXTENSION_ID) == ASN_EXTENSION_ID) {
throw new IOException("Cannot process extension IDs"+
getPositionMessage(is));
}
type.setValue(t);
return decodeLength(is, checkLength);
}
/**
* Decodes an ASN.1 header for an object with the ID and
* length specified.
* On entry, datalength is input as the number of valid bytes following
* "data". On exit, it is returned as the number of valid bytes
* in this object following the id and length.
*
* This only works on data types < 30, i.e. no extension octets.
* The maximum length is 0xFFFF;
*
* @param is
* the BERInputStream to decode.
* @param type
* returns the type of the object at the current position in the input
* stream.
* @return
* the decoded length of the object.
* @throws IOException
* if the input stream contains an invalid BER encoding or an IO
* exception occurred while reading from the stream.
*/
public static int decodeHeader(BERInputStream is, MutableByte type)
throws IOException
{
return decodeHeader(is, type, true);
}
public static int decodeInteger(BERInputStream is, MutableByte type)
throws IOException
{
int length;
int value = 0;
type.setValue((byte)is.read());
if ((type.value != 0x02) && (type.value != 0x43) &&
(type.value != 0x41)) {
throw new IOException("Wrong ASN.1 type. Not an integer: "+type.value+
getPositionMessage(is));
}
length = decodeLength(is);
if (length > 4) {
throw new IOException("Length greater than 32bit are not supported "+
" for integers: "+getPositionMessage(is));
}
int b = is.read() & 0xFF;
if ((b & 0x80) > 0) {
value = -1; /* integer is negative */
}
while (length-- > 0) {
value = (value << 8) | b;
if (length > 0) {
b = is.read();
}
}
return value;
}
public static BigInteger decodeBigInteger(BERInputStream is, MutableByte type)
throws IOException
{
int length;
type.setValue((byte)is.read());
if (type.value != 0x02) {
throw new IOException("Wrong ASN.1 type. Not an INTEGER: "+type.value+
getPositionMessage(is));
}
length = decodeLength(is);
if (length < 0) {
throw new IOException("Length greater than "+Integer.MAX_VALUE+" are not supported "+
" for integers: "+getPositionMessage(is));
}
byte[] bytes = new byte[length];
int actualRead = is.read(bytes);
if (actualRead != length) {
throw new IOException("Length of INTEGER ("+length+") is greater than number of bytes left in BER stream: "+
actualRead);
}
return new BigInteger(bytes);
}
public static String getPositionMessage(BERInputStream is) {
return " at position "+is.getPosition();
}
public static long decodeUnsignedInteger(BERInputStream is, MutableByte type)
throws IOException
{
int length;
long value = 0;
// get the type
type.setValue((byte)is.read());
if ((type.value != 0x02) && (type.value != 0x43) &&
(type.value != 0x41) && (type.value != 0x42) &&
(type.value != 0x47)) {
throw new IOException("Wrong ASN.1 type. Not an unsigned integer: "+
type.value+
getPositionMessage(is));
}
// pick up the len
length = decodeLength(is);
// check for legal uint size
int b = is.read();
if ((length > 5) || ((length > 4) && (b != 0x00))) {
throw new IOException("Only 32bit unsigned integers are supported"+
getPositionMessage(is));
}
// check for leading 0 octet
if (b == 0x00) {
if (length > 1) {
b = is.read();
}
length--;
}
// calculate the value
for (int i=0; i 0) {
int read = is.read(value, 0, length);
if ((read < 0) || (read < length)) {
throw new IOException("Wrong string length " + read + " < " + length);
}
}
return value;
}
public static int[] decodeOID(BERInputStream is, MutableByte type)
throws IOException
{
/*
* ASN.1 objid ::= 0x06 asnlength subidentifier {subidentifier}*
* subidentifier ::= {leadingbyte}* lastbyte
* leadingbyte ::= 1 7bitvalue
* lastbyte ::= 0 7bitvalue
*/
int subidentifier;
int length;
// get the type
type.setValue((byte)is.read());
if (type.value != 0x06) {
throw new IOException("Wrong type. Not an OID: "+type.value+
getPositionMessage(is));
}
length = decodeLength(is);
int[] oid = new int[length+2];
/* Handle invalid object identifier encodings of the form 06 00 robustly */
if (length == 0) {
oid[0] = oid[1] = 0;
}
int pos = 1;
while (length > 0){
subidentifier = 0;
int b;
do { /* shift and add in low order 7 bits */
int next = is.read();
if (next < 0) {
throw new IOException("Unexpected end of input stream" +
getPositionMessage(is));
}
b = next & 0xFF;
subidentifier = (subidentifier << 7) + (b & ~ASN_BIT8);
length--;
} while ((length > 0) && ((b & ASN_BIT8) != 0)); /* last byte has high bit clear */
oid[pos++] = subidentifier;
}
/*
* The first two subidentifiers are encoded into the first component
* with the value (X * 40) + Y, where:
* X is the value of the first subidentifier.
* Y is the value of the second subidentifier.
*/
subidentifier = oid[1];
if (subidentifier == 0x2B){
oid[0] = 1;
oid[1] = 3;
}
else if (subidentifier >= 0 && subidentifier < 80) {
if (subidentifier < 40) {
oid[0] = 0;
// oid[1] = subidentifier;
}
else {
oid[0] = 1;
oid[1] = subidentifier - 40;
}
}
else {
oid[0] = 2;
oid[1] = subidentifier - 80;
}
if (pos < 2) {
pos = 2;
}
if (pos < oid.length) {
int[] value = new int[pos];
System.arraycopy(oid, 0, value, 0, pos);
return value;
}
return oid;
}
public static void decodeNull(BERInputStream is, MutableByte type)
throws IOException
{
// get the type
type.setValue((byte)(is.read() & 0xFF));
if ((type.value != (byte)0x05) && (type.value != (byte)0x80) &&
(type.value != (byte)0x81) && (type.value != (byte)0x82)) {
throw new IOException("Wrong ASN.1 type. Is not null: " + type.value+
getPositionMessage(is));
}
int length = decodeLength(is);
if (length != 0) {
throw new IOException("Invalid Null encoding, length is not zero: "+
length+getPositionMessage(is));
}
}
public static long decodeUnsignedInt64(BERInputStream is, MutableByte type)
throws IOException
{
// get the type
type.setValue((byte)is.read());
if ((type.value != 0x02) && (type.value != 0x46)) {
throw new IOException("Wrong type. Not an integer 64: "+type.value+
getPositionMessage(is));
}
int length = decodeLength(is);
int b = is.read() & 0xFF;
if (length > 9) {
throw new IOException("Invalid 64bit unsigned integer length: "+length+
getPositionMessage(is));
}
// check for leading 0 octet
if (b == 0x00) {
if (length > 1) {
b = is.read();
}
length--;
}
long value = 0;
// calculate the value
for (int i=0; i is.getAvailableBytes())) {
throw new IOException("The encoded length "+
length+
" exceeds the number of bytes left in input"+
getPositionMessage(is)+
" which actually is "+is.getAvailableBytes());
}
}
public boolean isCheckValueLength() {
return checkValueLength;
}
public void setCheckValueLength(boolean checkValueLength) {
BER.checkValueLength = checkValueLength;
}
public static boolean isCheckFirstSubID012() {
return checkFirstSubID012;
}
public static void setCheckFirstSubID012(boolean checkFirstSubID012) {
BER.checkFirstSubID012 = checkFirstSubID012;
}
}
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