getExtensionData static method
Implementation
static List<int>? getExtensionData(
{required ExtensionType extension, required List<int> tlvData}) {
int extensionTypeIndex = 0;
while (extensionTypeIndex + typeSize + lengthSize <= tlvData.length) {
int entryType = IntUtils.fromBytes(
tlvData.sublist(extensionTypeIndex, extensionTypeIndex + typeSize),
byteOrder: Endian.little);
int entryLength = IntUtils.fromBytes(
tlvData.sublist(extensionTypeIndex + typeSize,
extensionTypeIndex + typeSize + lengthSize),
byteOrder: Endian.little);
int typeIndex = extensionTypeIndex + typeSize + lengthSize;
if (entryType == extension.value) {
return tlvData.sublist(typeIndex, typeIndex + entryLength);
}
extensionTypeIndex = typeIndex + entryLength;
}
return null;
}