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33 lines (30 loc) · 1.26 KB
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'use strict';
const baAsn1 = require('../asn1');
module.exports.encode = (buffer, deviceId, objectId, objectName) => {
baAsn1.encodeApplicationObjectId(buffer, deviceId.type, deviceId.instance);
baAsn1.encodeApplicationObjectId(buffer, objectId.type, objectId.instance);
baAsn1.encodeApplicationCharacterString(buffer, objectName);
};
module.exports.decode = (buffer, offset, apduLen) => {
let len = 0;
let result;
let decodedValue;
let value = {};
result = baAsn1.decodeTagNumberAndValue(buffer, offset + len);
len += result.len;
decodedValue = baAsn1.decodeObjectId(buffer, offset + len);
len += decodedValue.len;
value.deviceId = {type: decodedValue.objectType, instance: decodedValue.instance};
result = baAsn1.decodeTagNumberAndValue(buffer, offset + len);
len += result.len;
decodedValue = baAsn1.decodeObjectId(buffer, offset + len);
len += decodedValue.len;
value.objectId = {type: decodedValue.objectType, instance: decodedValue.instance};
result = baAsn1.decodeTagNumberAndValue(buffer, offset + len);
len += result.len;
decodedValue = baAsn1.decodeCharacterString(buffer, offset + len, apduLen - (offset + len), result.value);
len += decodedValue.len;
value.objectName = decodedValue.value;
value.len = len;
return value;
};