shoshin 

Parser for Apple Receipt that represented in base64 and encoded with ASN.1

Describes Apple Receipt Models

Library for validating receipts with the App Store

using (WordprocessingDocument document = WordprocessingDocument.Open(filePath, true)) { MainDocumentPart mainPart = document.MainDocumentPart; Dictionary<string, string> replacers = new Dictionary<string, string>(32); _openXmlVariableReplacer.ReplaceVariables(mainPart.Document, replacers); }