1 files changed, 28 insertions, 24 deletions

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 # Simple AES-256-CCM-PSK drop in front end script for the sjcl library
 
-This script is intended to be just included in any HTML document via a simple <script src="sjcl-front.js"></script>
-and provide ad-hoc group crypto for that site.
-
-The script walks through all text nodes and checks for the sjcl-front signature sjcl://
-and tries to retrieve a key from localStorage or sessionStorage whose name matches the
-one encoded as associated data in the encoded sjcl dictionary. If it can decrypt the
-string, the text node's content is replaced by the plaintext and a class sjcl-decrypted
-is added to its parent node.
-
-If the respective key can not be found, the class sjcl-undecrypted is added to the
-parent node, which also receives a copy of the ciphertext, before the text node is
-replaced by an informative message. A click handler for sjcl-undecrypted objects allows
-to later re-decrypt the text by providing a key.
-
-During initialisation, the script also walks through all TEXTAREA nodes and injects a
-hook revealing a contextual drop down menu that allows encrypting the TEXTAREA's content,
-decrypting it and adding/deleting keys in localStorage. Future versions may allow adding
-that hook to text input fields or filtering by class or id.
-
-Finally the script injects CSS to the document's head to get the injected nodes working.
-
-You can try the script at [https://erdgeist.org/webcrypto/].
-
-The library that does the heavy lifting can be found here: https://github.com/bitwiseshiftleft/sjcl
+This script is intended to be just included in any HTML document via a simple
+`<script src="sjcl-front.js"></script>` and provide ad-hoc group crypto for that
+site.
+
+The script walks through all text nodes and checks for the sjcl-front signature
+sjcl:// and tries to retrieve a key from localStorage or sessionStorage whose
+name matches the one encoded as associated data in the encoded sjcl dictionary.
+If it can decrypt the string, the text node's content is replaced by the
+plaintext and a class sjcl-decrypted is added to its parent node.
+
+If the respective key can not be found, the class sjcl-undecrypted is added to
+the parent node, which also receives a copy of the ciphertext, before the text
+node is replaced by an informative message. A click handler for sjcl-undecrypted
+objects allows to later re-decrypt the text by providing a key.
+
+During initialisation, the script also walks through all TEXTAREA nodes and
+injects a hook revealing a contextual drop down menu that allows encrypting the
+TEXTAREA's content, decrypting it and adding/deleting keys in localStorage.
+Future versions may allow adding that hook to text input fields or filtering by
+class or id.
+
+Finally the script injects CSS to the document's head to get the injected nodes
+working.
+
+You can try the script at https://erdgeist.org/webcrypto/.
+
+The library that does the heavy lifting can be found here:
+https://github.com/bitwiseshiftleft/sjcl