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maven Build Status CircleCI

BER-TLV parser and builder

BerTlv is a java library for parsing and building BER TLV encoded data.

Features

  • supported types: amount, date, time, text, BCD, bytes
  • thread safe (provides immutable container BerTlv)
  • production ready (uses in several projects)
  • lightweight (no external dependencies)

Setup with dependency managers

Maven

<dependency>
  <groupId>com.payneteasy</groupId>
  <artifactId>ber-tlv</artifactId>
  <version>1.0-11</version>
</dependency>

Gradle

implementation 'com.payneteasy:ber-tlv:1.0-11'

How to parse

byte[] bytes = HexUtil.parseHex("50045649534157131000023100000033D44122011003400000481F");

BerTlvParser parser = new BerTlvParser(LOG);
BerTlvs tlvs = parser.parse(bytes, 0, bytes.length);
  
BerTlvLogger.log("    ", tlvs, LOG);

How to build

byte[] bytes =  new BerTlvBuilder()
                .addHex(new BerTag(0x50), "56495341")
                .addHex(new BerTag(0x57), "1000023100000033D44122011003400000481F")
                .buildArray();

License

The BerTlv framework is licensed under the Apache License 2.0