University of Isfahan Textual Criticism of Persian Literature 2476-3268 3 3 2011 09 23 Puzzle Script (Research in varieties and methods of encryption of letters) Puzzle Script (Research in varieties and methods of encryption of letters) 109 134 19305 FA M Mohammadi Fesharaki Assistant Professor of Persian language and literature, Isfahan University M Shirani PhD student of Persian language and literature, Isfahan University Journal Article 2016 06 14 حفظ اسرار دولتی در مکاتبات اداری از مسائل مهم حکومتها در همه دوره ها به حساب می آید وهرروز به اهمیت آن افزوده می شود، به طوری که دانشمندان کوشش می کنند، شیوه های تازه ای برای رمز کردن اطلاعات و کشف رمز نوشتجات خصم به دست آورند.امروز در دانش ریاضیات و رایانه رشته ها و گرایش هایی برای رمزنویسی ایجاد کرده اند.پیشینه این کار براساس منابع و اسنادی که به جا مانده است، به تمدن یونان برمی گردد.دربین برخی طبقات مردم همانند خلافکاران، زندانیان و گدایان حرفه ای نیز زبان های رمزی به کار می رود که Keeping governmental secrets in official letters is one of the important issues of governments in all periods and its importance increases every day so that scientists try to find new methods for encoding and decoding of information. Nowadays, in mathematics and computer science a number of fields and trends have been created for encryption. On the basis of sources and documents, the history of this practice goes back to Greek civilization. Some groups of people like criminals, prisoners and professional beggars use coded languages which linguists call them Argo. <br />There is almost no scientific research about history and types of puzzle language and script in Persian literature, and even there is no entry for this issue in Persian encyclopedias. The main reasons of this are that, on the one hand, there are not enough sources and references about this issue and, on the other, the rules of such knowledge were not taught to people in fear of revealing the secrets. <br />This article introduces not only the methods of encryption in Islamic culture but also encoding fonts, inks for invisible writing and the terminology of this science whose secrets have been hidden.  حفظ اسرار دولتی در مکاتبات اداری از مسائل مهم حکومتها در همه دوره ها به حساب می آید وهرروز به اهمیت آن افزوده می شود، به طوری که دانشمندان کوشش می کنند، شیوه های تازه ای برای رمز کردن اطلاعات و کشف رمز نوشتجات خصم به دست آورند.امروز در دانش ریاضیات و رایانه رشته ها و گرایش هایی برای رمزنویسی ایجاد کرده اند.پیشینه این کار براساس منابع و اسنادی که به جا مانده است، به تمدن یونان برمی گردد.دربین برخی طبقات مردم همانند خلافکاران، زندانیان و گدایان حرفه ای نیز زبان های رمزی به کار می رود که Keeping governmental secrets in official letters is one of the important issues of governments in all periods and its importance increases every day so that scientists try to find new methods for encoding and decoding of information. Nowadays, in mathematics and computer science a number of fields and trends have been created for encryption. On the basis of sources and documents, the history of this practice goes back to Greek civilization. Some groups of people like criminals, prisoners and professional beggars use coded languages which linguists call them Argo. <br />There is almost no scientific research about history and types of puzzle language and script in Persian literature, and even there is no entry for this issue in Persian encyclopedias. The main reasons of this are that, on the one hand, there are not enough sources and references about this issue and, on the other, the rules of such knowledge were not taught to people in fear of revealing the secrets. <br />This article introduces not only the methods of encryption in Islamic culture but also encoding fonts, inks for invisible writing and the terminology of this science whose secrets have been hidden.  https://rpll.ui.ac.ir/article_19305_a010b5aee2fd2efe05124c34f8fd4320.pdf