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@@ -0,0 +1,56 @@
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+# Work in progress
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+
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+
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+enc = CryptoEngine.get() in ui/cli.py (L:940)
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+
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+is called before the db is even set !
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+
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+when priniting nodes, decrypt is first called by:
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+this initializes CryptoEngine instance,
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+and sets the following instance properties:
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+ - _callback
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+ - _instance
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+ - _keycrypted
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+ - _timeout
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+ - _cypher
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+
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+this initialization asks the user for the decryption key
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+of the database.
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+
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+the action that user does called the respective db function which
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+returns an ENCRYPTED STRING!,
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+which is then given to decryption via nodes.py or tags.py which do the
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+actual decryption on each decrypted string returned from the DB.
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+
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+for example print_node:
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+
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+initializing a _db instance, then we call _db.open()
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+
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+calling do_print(10) calls _db.getnodes([i]) at this point
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+the database is still not decrypted ... e.g. _cypher is still empty
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+
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+when _db.getnodes([i]) is done node inside print_node is containing
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+alot of encrypted string.
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+
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+now print_node will be called, at which point the different methods
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+of node instance will decrypt their respective string:
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+
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+e.g. get_username(self) instide nodes.py:
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+
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+ self._username -> OexYH7vT/WVpXO0ZBM93RF/l8+o8/QU8ykgDB4qY8+BxBaKylAOeJWEQ+edjpLTU\n
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+ enc = CryptoEngine.get()
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+ enc.decrypt(self._username) -> nahum.oz@gmail.com
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+
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+
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+to see this in work:
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+insert
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+ import ipdb; ipdb.set_trace()
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+to def getnodes(self, ids) in "pwman/data/drivers/sqlite.py.
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+
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+continue to pwman3/pwman/ui/cli.py(382) self.print_node(node[0])
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+and then step into this function.
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+continue further into def print_node(self, node) inside pwman3/pwman/ui/cli.py,
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+finally you should step into:
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+
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+ node.get_username()
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+
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oz123