needed to parse field 55 from iso 8583 message. as I understand it the field is encoded in the format BER-TLV Encoding of EMV Tags. Never encountered asn.1. If anyone has experience with asn.1, can you share a description for use?
ASN.1 is a protocol specification language. In OTP we have the asn1 application which provides a compiler which can produce an Erlang module (e.g. foo.erl) from an ASN.1 specification file (e.g. foo.asn). You may then compile that CODEC module and use it to decode your BER encoded data.
so I’m using this file
Some time ago I was wrote some intro about ASN.1 in Erlang https://medium.com/erlang-battleground/erlang-asn-1-abstract-syntax-notation-one-deeb8300f479 maybe this topic will be helpful.
Bedsite reading:
I am looking for a ready -made EMV description in ASN.1 notations