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https://github.com/Jermolene/TiddlyWiki5
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15 lines
1.2 KiB
Plaintext
15 lines
1.2 KiB
Plaintext
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title: EncryptionMechanism
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tags: docs mechanism
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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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The EncryptionMechanism is implemented with the following elements:
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* A crypto "password vault" 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 SetPasswordMessage and ClearPasswordMessage that handle the user interface for password changes
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* The `<$encrypt>` widget within the main file template that encrypts a filtered list of tiddlers with the currently held password
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* The [[$:/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 that displays the current encryption status
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