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20 lines
1.4 KiB
Plaintext
20 lines
1.4 KiB
Plaintext
created: 20130825154200000
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modified: 20131129163653069
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tags: mechanism
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title: EncryptionMechanism
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type: text/vnd.tiddlywiki
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TiddlyWiki5 allows the entire content of a TiddlyWiki HTML file to be encrypted with the Stanford JavaScript Crypto Library. Opening an encrypted TiddlyWiki in the browser prompts for a password before decrypting and displaying the content.
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For instructions on how to use TiddlyWiki5's encryption features, see [[Saving with Encryption]].
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The EncryptionMechanism is implemented with the following elements:
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* A PasswordVault within the BootMechanism that holds the current encryption password
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* The ability of the BootMechanism to read a block of encrypted tiddlers from the TiddlyWiki file, to prompt the user for a password, and to decrypt the tiddlers
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* Handlers for the messages [[WidgetMessage: tw-set-password]] and [[WidgetMessage: tw-clear-password]] that handle the user interface for password changes
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* The EncryptWidget within the main file template that encrypts a filtered list of tiddlers with the currently held password
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* The [[$:/isEncrypted]] tiddler that contains "yes" or "no" according to whether there is a password in the password vault
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** The availability of this tiddler allows the RevealWidget to be used to selectively display user interface elements according to whether encryption is in force
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* The [[$:/snippets/encryptionstatus]] snippet displays the current encryption status
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