JavaScript Message Security Format

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Last updated 2012-12-17 (latest revision 2012-06-15)
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Many applications require the ability to send cryptographically secured messages. While the IETF has defined a number of formats for such messages (e.g. CMS) those formats use encodings which are not easy to use in modern applications. This document describes the JavaScript Message Security format (JSMS), a new cryptographic message format which is based on JavaScript Object Notation (JSON) and thus is easy for many applications to generate and parse.


Richard Barnes (

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