MIME media type name: --------------------- application MIME subtype name: ------------------ sema Required parameters: -------------------- none Optional parameters: -------------------- none Encoding considerations: ------------------------ SEMA files is the result of an encryption of an email and it consists of binary data. Security considerations: ------------------------ A SEMA file is the result of an encryption of an email (including additional attachments) and some of the security issues raised when dealing with email still remains. However, SEMA files requires password(s) to open the email, it uses internal security for creation of mail and makes it possible to securely identify senders, therefore it cannot be used as means to widely spread viruses and potential dangerous data. Published specification: ------------------------ Secured eMail is a system for encrypting/decrypting email. It consists of two parts; The Secured eMail "writer" which is a pice of software which is installed on the senders computer and is used to encrypt email; and a "reader" which is installed at the recipients computer to enable decryption of the email. The first implementation of the "writer" is distributed as an add-in to Microsoft Outlook on the Win32 platform but other implementations will follow. The first implementation of the "reader" is distributed both as an Microsoft Outlook add-in and as a standalone Win32 executable for recipients who do not use Microsoft Outlook. When an email is encrypted, it is transformed into a document with encrypted binary data called a Secured eMail Archive file and this registration is intended to register this document format as a mime type. Applications which use this media type: --------------------------------------- To this date (2004-02-11): Secured eMail Outlook Add-In Secured eMail Standalone Reader Additional information: ----------------------- Magic number(s): File extension(s): .SEMA Macintosh File Type Code(s): Person & email address to contact for further information: ---------------------------------------------------------- 1. Name : Peter Svensson 2. E-mail : peter.svensson@securedemail.se Intended usage: --------------- Common Author/Change controller: ------------------------- Secured eMail AB, Kungsporten 4e, 427 50 Billdal, Sweden http://www.securedemail.se