commit 23c29715af210f49899d5a68f948b4f594135a52
parent 7cee37dfb83710cd0b5cf8caa83066174ff0766b
Author: tiagotrs <tiago@posteo.de>
Date: Thu, 19 Apr 2018 15:47:41 +0200
Add "Revealer" seed backup plugin (#4228)
* revealer commit
* fix seed font, added license
* fixed strings for translation
* better calibration instructions, fixed position
* removed html from translatable strings, fixed typo
* Added monospace font for codes, cleaned up redundant font formatting
* Monospace font for codes and respective license
* fix redundancies, typos
* inner function to only move forward if no exception
* paint QR qith QT to not depend on PIL
catch exeptions when creating a digital Revealer
* clarity
* Added SourceSans font License
* fix fonts paths, typo
* broke long lines, changed some words for clarity,
removed redundant font license
Diffstat:
11 files changed, 889 insertions(+), 0 deletions(-)
diff --git a/gui/qt/seed_dialog.py b/gui/qt/seed_dialog.py
@@ -26,6 +26,8 @@
from electrum.i18n import _
from electrum.mnemonic import Mnemonic
import electrum.old_mnemonic
+from electrum.plugins import run_hook
+
from .util import *
from .qrtextedit import ShowQRTextEdit, ScanQRTextEdit
@@ -194,4 +196,5 @@ class SeedDialog(WindowModalDialog):
title = _("Your wallet generation seed is:")
slayout = SeedLayout(title=title, seed=seed, msg=True, passphrase=passphrase)
vbox.addLayout(slayout)
+ run_hook('set_seed', seed, slayout.seed_e)
vbox.addLayout(Buttons(CloseButton(self)))
diff --git a/icons.qrc b/icons.qrc
@@ -13,6 +13,7 @@
<file>icons/expired.png</file>
<file>icons/electrum_light_icon.png</file>
<file>icons/electrum_dark_icon.png</file>
+ <file>icons/electrumb.png</file>
<file>icons/file.png</file>
<file>icons/info.png</file>
<file>icons/keepkey.png</file>
@@ -24,6 +25,8 @@
<file>icons/microphone.png</file>
<file>icons/network.png</file>
<file>icons/offline_tx.png</file>
+ <file>icons/revealer.png</file>
+ <file>icons/revealer_c.png</file>
<file>icons/qrcode.png</file>
<file>icons/qrcode_white.png</file>
<file>icons/preferences.png</file>
diff --git a/icons/electrumb.png b/icons/electrumb.png
Binary files differ.
diff --git a/icons/revealer.png b/icons/revealer.png
Binary files differ.
diff --git a/icons/revealer_c.png b/icons/revealer_c.png
Binary files differ.
diff --git a/plugins/revealer/DejaVuSansMono-Bold.ttf b/plugins/revealer/DejaVuSansMono-Bold.ttf
Binary files differ.
diff --git a/plugins/revealer/LICENSE_DEJAVU b/plugins/revealer/LICENSE_DEJAVU
@@ -0,0 +1,99 @@
+Fonts are (c) Bitstream (see below). DejaVu changes are in public domain.
+Glyphs imported from Arev fonts are (c) Tavmjong Bah (see below)
+
+Bitstream Vera Fonts Copyright
+------------------------------
+
+Copyright (c) 2003 by Bitstream, Inc. All Rights Reserved. Bitstream Vera is
+a trademark of Bitstream, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of the fonts accompanying this license ("Fonts") and associated
+documentation files (the "Font Software"), to reproduce and distribute the
+Font Software, including without limitation the rights to use, copy, merge,
+publish, distribute, and/or sell copies of the Font Software, and to permit
+persons to whom the Font Software is furnished to do so, subject to the
+following conditions:
+
+The above copyright and trademark notices and this permission notice shall
+be included in all copies of one or more of the Font Software typefaces.
+
+The Font Software may be modified, altered, or added to, and in particular
+the designs of glyphs or characters in the Fonts may be modified and
+additional glyphs or characters may be added to the Fonts, only if the fonts
+are renamed to names not containing either the words "Bitstream" or the word
+"Vera".
+
+This License becomes null and void to the extent applicable to Fonts or Font
+Software that has been modified and is distributed under the "Bitstream
+Vera" names.
+
+The Font Software may be sold as part of a larger software package but no
+copy of one or more of the Font Software typefaces may be sold by itself.
+
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF COPYRIGHT, PATENT,
+TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL BITSTREAM OR THE GNOME
+FOUNDATION BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, INCLUDING
+ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM OTHER DEALINGS IN THE
+FONT SOFTWARE.
+
+Except as contained in this notice, the names of Gnome, the Gnome
+Foundation, and Bitstream Inc., shall not be used in advertising or
+otherwise to promote the sale, use or other dealings in this Font Software
+without prior written authorization from the Gnome Foundation or Bitstream
+Inc., respectively. For further information, contact: fonts at gnome dot
+org.
+
+Arev Fonts Copyright
+------------------------------
+
+Copyright (c) 2006 by Tavmjong Bah. All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of the fonts accompanying this license ("Fonts") and
+associated documentation files (the "Font Software"), to reproduce
+and distribute the modifications to the Bitstream Vera Font Software,
+including without limitation the rights to use, copy, merge, publish,
+distribute, and/or sell copies of the Font Software, and to permit
+persons to whom the Font Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright and trademark notices and this permission notice
+shall be included in all copies of one or more of the Font Software
+typefaces.
+
+The Font Software may be modified, altered, or added to, and in
+particular the designs of glyphs or characters in the Fonts may be
+modified and additional glyphs or characters may be added to the
+Fonts, only if the fonts are renamed to names not containing either
+the words "Tavmjong Bah" or the word "Arev".
+
+This License becomes null and void to the extent applicable to Fonts
+or Font Software that has been modified and is distributed under the
+"Tavmjong Bah Arev" names.
+
+The Font Software may be sold as part of a larger software package but
+no copy of one or more of the Font Software typefaces may be sold by
+itself.
+
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL
+TAVMJONG BAH BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
+DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
+OTHER DEALINGS IN THE FONT SOFTWARE.
+
+Except as contained in this notice, the name of Tavmjong Bah shall not
+be used in advertising or otherwise to promote the sale, use or other
+dealings in this Font Software without prior written authorization
+from Tavmjong Bah. For further information, contact: tavmjong @ free
+. fr.
+
+$Id: LICENSE 2133 2007-11-28 02:46:28Z lechimp $
diff --git a/plugins/revealer/SIL Open Font License.txt b/plugins/revealer/SIL Open Font License.txt
@@ -0,0 +1,43 @@
+Copyright 2010, 2012 Adobe Systems Incorporated (http://www.adobe.com/), with Reserved Font Name 'Source'. All Rights Reserved. Source is a trademark of Adobe Systems Incorporated in the United States and/or other countries.
+
+This Font Software is licensed under the SIL Open Font License, Version 1.1.
+This license is copied below, and is also available with a FAQ at: http://scripts.sil.org/OFL
+
+-----------------------------------------------------------
+SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
+-----------------------------------------------------------
+
+PREAMBLE
+The goals of the Open Font License (OFL) are to stimulate worldwide development of collaborative font projects, to support the font creation efforts of academic and linguistic communities, and to provide a free and open framework in which fonts may be shared and improved in partnership with others.
+
+The OFL allows the licensed fonts to be used, studied, modified and redistributed freely as long as they are not sold by themselves. The fonts, including any derivative works, can be bundled, embedded, redistributed and/or sold with any software provided that any reserved names are not used by derivative works. The fonts and derivatives, however, cannot be released under any other type of license. The requirement for fonts to remain under this license does not apply to any document created using the fonts or their derivatives.
+
+DEFINITIONS
+"Font Software" refers to the set of files released by the Copyright Holder(s) under this license and clearly marked as such. This may include source files, build scripts and documentation.
+
+"Reserved Font Name" refers to any names specified as such after the copyright statement(s).
+
+"Original Version" refers to the collection of Font Software components as distributed by the Copyright Holder(s).
+
+"Modified Version" refers to any derivative made by adding to, deleting, or substituting -- in part or in whole -- any of the components of the Original Version, by changing formats or by porting the Font Software to a new environment.
+
+"Author" refers to any designer, engineer, programmer, technical writer or other person who contributed to the Font Software.
+
+PERMISSION & CONDITIONS
+Permission is hereby granted, free of charge, to any person obtaining a copy of the Font Software, to use, study, copy, merge, embed, modify, redistribute, and sell modified and unmodified copies of the Font Software, subject to the following conditions:
+
+1) Neither the Font Software nor any of its individual components, in Original or Modified Versions, may be sold by itself.
+
+2) Original or Modified Versions of the Font Software may be bundled, redistributed and/or sold with any software, provided that each copy contains the above copyright notice and this license. These can be included either as stand-alone text files, human-readable headers or in the appropriate machine-readable metadata fields within text or binary files as long as those fields can be easily viewed by the user.
+
+3) No Modified Version of the Font Software may use the Reserved Font Name(s) unless explicit written permission is granted by the corresponding Copyright Holder. This restriction only applies to the primary font name as presented to the users.
+
+4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font Software shall not be used to promote, endorse or advertise any Modified Version, except to acknowledge the contribution(s) of the Copyright Holder(s) and the Author(s) or with their explicit written permission.
+
+5) The Font Software, modified or unmodified, in part or in whole, must be distributed entirely under this license, and must not be distributed under any other license. The requirement for fonts to remain under this license does not apply to any document created using the Font Software.
+
+TERMINATION
+This license becomes null and void if any of the above conditions are not met.
+
+DISCLAIMER
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM OTHER DEALINGS IN THE FONT SOFTWARE.+
\ No newline at end of file
diff --git a/plugins/revealer/SourceSansPro-Bold.otf b/plugins/revealer/SourceSansPro-Bold.otf
Binary files differ.
diff --git a/plugins/revealer/__init__.py b/plugins/revealer/__init__.py
@@ -0,0 +1,17 @@
+from electrum.i18n import _
+
+fullname = _('Revealer')
+description = ''.join(["<br/>",
+ "<b>"+_("Do you have something to hide ?")+"</b>", '<br/>', '<br/>',
+ _("Revealer is a seed phrase back-up solution. It allows you to create a cold, analog, multi-factor backup of your wallet seeds, or of any arbitrary secret."), '<br/>', '<br/>',
+ _("Using a Revealer is better than writing your seed phrases on paper: a revealer is invulnerable to physical access and allows creation of trustless redundancy."), '<br/>', '<br/>',
+ _("This plug-in allows you to generate a pdf file of your secret phrase encrypted visually for your physical Revealer. You can print it trustlessly - it can only be decrypted optically with your Revealer."), '<br/>', '<br/>',
+ _("The plug-in also allows you to generate a digital Revealer file and print it yourself on a transparent overhead foil."), '<br/>', '<br/>',
+ _("Once activated you can access the plug-in through the icon at the seed dialog."), '<br/>', '<br/>',
+ _("For more information, visit"),
+ " <a href=\"https://revealer.cc\">https://revealer.cc</a>", '<br/>', '<br/>',
+
+])
+available_for = ['qt']
+
+
diff --git a/plugins/revealer/qt.py b/plugins/revealer/qt.py
@@ -0,0 +1,723 @@
+'''
+
+Revealer
+So you have something to hide?
+
+plug-in for the electrum wallet.
+
+Features:
+ - Deep Cold multi-factor backup solution
+ - Safety - One time pad security
+ - Redundancy - Trustless printing & distribution
+ - Encrypt your seedphrase or any secret you want for your revealer
+ - Based on crypto by legendary cryptographers Naor and Shamir
+
+Tiago Romagnani Silveira, 2017
+
+'''
+
+import os
+import random
+import qrcode
+import traceback
+from hashlib import sha256
+
+from PyQt5.QtPrintSupport import QPrinter
+
+from electrum.plugins import BasePlugin, hook
+from electrum.i18n import _
+from electrum_gui.qt.util import *
+from electrum_gui.qt.qrtextedit import ScanQRTextEdit
+from electrum.util import to_bytes
+
+
+class Plugin(BasePlugin):
+
+ def __init__(self, parent, config, name):
+ BasePlugin.__init__(self, parent, config, name)
+ self.base_dir = config.electrum_path()+'/revealer/'
+
+ if self.config.get('calibration_h') == None:
+ self.config.set_key('calibration_h', 0)
+ if self.config.get('calibration_v') == None:
+ self.config.set_key('calibration_v', 0)
+
+ self.calibration_h = self.config.get('calibration_h')
+ self.calibration_v = self.config.get('calibration_v')
+
+ self.version = '0'
+ self.size = (159, 97)
+ self.f_size = QSize(1014*2, 642*2)
+ self.abstand_h = 21
+ self.abstand_v = 34
+ self.calibration_noise = int('10' * 128)
+ self.rawnoise = False
+ if not os.path.exists(self.base_dir):
+ os.mkdir(self.base_dir)
+
+ @hook
+ def set_seed(self, seed, parent):
+ self.cseed = seed.upper()
+ parent.addButton(':icons/revealer.png', partial(self.setup_dialog, parent), "Revealer"+_(" secret backup utility"))
+
+ def requires_settings(self):
+ return True
+
+ def settings_widget(self, window):
+ return EnterButton(_('Printer Calibration'), partial(self.calibration_dialog, window))
+
+ def setup_dialog(self, window):
+ self.update_wallet_name(window.parent().parent().wallet)
+ self.user_input = False
+ self.noise_seed = False
+ self.d = WindowModalDialog(window, "Revealer")
+ self.d.setMinimumWidth(420)
+ vbox = QVBoxLayout(self.d)
+ vbox.addSpacing(21)
+ logo = QLabel()
+ vbox.addWidget(logo)
+ logo.setPixmap(QPixmap(':icons/revealer.png'))
+ logo.setAlignment(Qt.AlignCenter)
+ vbox.addSpacing(42)
+
+ self.load_noise = ScanQRTextEdit()
+ self.load_noise.setTabChangesFocus(True)
+ self.load_noise.textChanged.connect(self.on_edit)
+ self.load_noise.setMaximumHeight(33)
+
+ vbox.addWidget(WWLabel("<b>"+_("Enter your physical revealer code:")+"<b>"))
+ vbox.addWidget(self.load_noise)
+ vbox.addSpacing(11)
+
+ self.next_button = QPushButton(_("Next"), self.d)
+ self.next_button.setDefault(True)
+ self.next_button.setEnabled(False)
+ vbox.addLayout(Buttons(self.next_button))
+ self.next_button.clicked.connect(self.d.close)
+ self.next_button.clicked.connect(partial(self.cypherseed_dialog, window))
+ vbox.addSpacing(21)
+
+ vbox.addWidget(WWLabel(_("or, alternatively: ")))
+ bcreate = QPushButton(_("Create a digital Revealer"))
+
+ def mk_digital():
+ try:
+ self.make_digital(self.d)
+ except Exception:
+ traceback.print_exc(file=sys.stdout)
+ else:
+ self.cypherseed_dialog(window)
+
+ bcreate.clicked.connect(mk_digital)
+
+ vbox.addWidget(bcreate)
+ vbox.addSpacing(11)
+ vbox.addWidget(QLabel(''.join([ "<b>"+_("WARNING")+ "</b>:" + _("Printing a revealer and encrypted seed"), '<br/>',
+ _("on the same printer is not trustless towards the printer."), '<br/>',
+ ])))
+ vbox.addSpacing(11)
+ vbox.addLayout(Buttons(CloseButton(self.d)))
+
+ return bool(self.d.exec_())
+
+ def get_noise(self):
+ text = self.load_noise.text()
+ return ''.join(text.split()).lower()
+
+ def on_edit(self):
+ s = self.get_noise()
+ b = self.is_noise(s)
+ if b:
+ self.noise_seed = s[:-3]
+ self.user_input = True
+ self.next_button.setEnabled(b)
+
+ def code_hashid(self, txt):
+ x = to_bytes(txt, 'utf8')
+ hash = sha256(x).hexdigest()
+ return hash[-3:].upper()
+
+ def is_noise(self, txt):
+ if (len(txt) >= 34):
+ try:
+ int(txt, 16)
+ except:
+ self.user_input = False
+ return False
+ else:
+ id = self.code_hashid(txt[:-3])
+ if (txt[-3:].upper() == id.upper()):
+ self.code_id = id
+ self.user_input = True
+ return True
+ else:
+ return False
+ else:
+ self.user_input = False
+ return False
+
+ def make_digital(self, dialog):
+ self.make_rawnoise(True)
+ self.bdone(dialog)
+ self.d.close()
+
+ def bcrypt(self, dialog):
+ self.rawnoise = False
+ dialog.show_message(''.join([_("{} encrypted for Revealer {}_{} saved as PNG and PDF at:").format(self.was, self.version, self.code_id),
+ "<br/>","<b>", self.base_dir+ self.filename+self.version+"_"+self.code_id,"</b>"]))
+ dialog.close()
+
+ def bdone(self, dialog):
+ dialog.show_message(''.join([_("Digital Revealer ({}_{}) saved as PNG and PDF at:").format(self.version, self.code_id),
+ "<br/>","<b>", self.base_dir + 'revealer_' +self.version + '_'+ self.code_id, '</b>']))
+
+
+ def customtxt_limits(self):
+ txt = self.text.text()
+ self.max_chars.setVisible(False)
+ self.char_count.setText("("+str(len(txt))+"/216)")
+ if len(txt)>0:
+ self.ctext.setEnabled(True)
+ if len(txt) > 216:
+ self.text.setPlainText(self.text.toPlainText()[:216])
+ self.max_chars.setVisible(True)
+
+ def t(self):
+ self.txt = self.text.text()
+ self.seed_img(is_seed=False)
+
+ def cypherseed_dialog(self, window):
+
+ d = WindowModalDialog(window, "Revealer")
+ d.setMinimumWidth(420)
+
+ self.c_dialog = d
+
+ self.vbox = QVBoxLayout(d)
+ self.vbox.addSpacing(21)
+
+ logo = QLabel()
+ self.vbox.addWidget(logo)
+ logo.setPixmap(QPixmap(':icons/revealer.png'))
+ logo.setAlignment(Qt.AlignCenter)
+ self.vbox.addSpacing(42)
+
+ grid = QGridLayout()
+ self.vbox.addLayout(grid)
+
+ cprint = QPushButton(_("Generate encrypted seed PDF"))
+ cprint.clicked.connect(partial(self.seed_img, True))
+ self.vbox.addWidget(cprint)
+ self.vbox.addSpacing(14)
+
+ self.vbox.addWidget(WWLabel(_("and/or type any secret below:")))
+ self.text = ScanQRTextEdit()
+ self.text.setTabChangesFocus(True)
+ self.text.setMaximumHeight(70)
+ self.text.textChanged.connect(self.customtxt_limits)
+ self.vbox.addWidget(self.text)
+
+ self.char_count = WWLabel("")
+ self.char_count.setAlignment(Qt.AlignRight)
+ self.vbox.addWidget(self.char_count)
+
+ self.max_chars = WWLabel("<font color='red'>" + _("This version supports a maximum of 216 characters.")+"</font>")
+ self.vbox.addWidget(self.max_chars)
+ self.max_chars.setVisible(False)
+
+ self.ctext = QPushButton(_("Generate custom secret encrypted PDF"))
+ self.ctext.clicked.connect(self.t)
+
+ self.vbox.addWidget(self.ctext)
+ self.ctext.setEnabled(False)
+
+ self.vbox.addSpacing(21)
+ self.vbox.addLayout(Buttons(CloseButton(d)))
+ return bool(d.exec_())
+
+
+ def update_wallet_name (self, name):
+ self.wallet_name = str(name)
+ self.base_name = self.base_dir + self.wallet_name
+
+ def seed_img(self, is_seed = True):
+
+ if not self.cseed and self.txt == False:
+ return
+
+ if is_seed:
+ txt = self.cseed
+ else:
+ txt = self.txt.upper()
+
+ img = QImage(self.size[0],self.size[1], QImage.Format_Mono)
+ bitmap = QBitmap.fromImage(img, Qt.MonoOnly)
+ bitmap.fill(Qt.white)
+ painter = QPainter()
+ painter.begin(bitmap)
+ QFontDatabase.addApplicationFont(os.path.join(os.path.dirname(__file__), 'SourceSansPro-Bold.otf') )
+ if len(txt) < 102 :
+ fontsize = 12
+ linespace = 15
+ max_letters = 17
+ max_lines = 6
+ max_words = 3
+ if len(txt) > 102:
+ fontsize = 9
+ linespace = 10
+ max_letters = 24
+ max_lines = 9
+ max_words = int(max_letters/4)
+
+ font = QFont('Source Sans Pro', fontsize, QFont.Bold)
+ font.setLetterSpacing(QFont.PercentageSpacing, 100)
+ painter.setFont(font)
+ seed_array = txt.split(' ')
+
+ for n in range(max_lines):
+ nwords = max_words
+ temp_seed = seed_array[:nwords]
+ while len(' '.join(map(str, temp_seed))) > max_letters:
+ nwords = nwords - 1
+ temp_seed = seed_array[:nwords]
+ painter.drawText(QRect(0, linespace*n , self.size[0], self.size[1]), Qt.AlignHCenter, ' '.join(map(str, temp_seed)))
+ del seed_array[:nwords]
+
+ painter.end()
+ img = bitmap.toImage()
+ if (self.rawnoise == False):
+ self.make_rawnoise()
+
+ self.make_cypherseed(img, self.rawnoise, False, is_seed)
+ return img
+
+ def make_rawnoise(self, create_revealer=False):
+ w = self.size[0]
+ h = self.size[1]
+ rawnoise = QImage(w, h, QImage.Format_Mono)
+
+ if(self.noise_seed == False):
+ self.noise_seed = random.SystemRandom().getrandbits(128)
+ self.hex_noise = format(self.noise_seed, '02x')
+ self.hex_noise = self.version + str(self.hex_noise)
+
+ if (self.user_input == True):
+ self.noise_seed = int(self.noise_seed, 16)
+ self.hex_noise = self.version + str(format(self.noise_seed, '02x'))
+
+
+ self.code_id = self.code_hashid(self.hex_noise)
+ self.hex_noise = ' '.join(self.hex_noise[i:i+4] for i in range(0,len(self.hex_noise),4))
+ random.seed(self.noise_seed)
+
+ for x in range(w):
+ for y in range(h):
+ rawnoise.setPixel(x,y,random.randint(0, 1))
+
+ self.rawnoise = rawnoise
+ if create_revealer==True:
+ self.make_revealer()
+ self.noise_seed = False
+
+ def make_calnoise(self):
+ random.seed(self.calibration_noise)
+ w = self.size[0]
+ h = self.size[1]
+ rawnoise = QImage(w, h, QImage.Format_Mono)
+ for x in range(w):
+ for y in range(h):
+ rawnoise.setPixel(x,y,random.randint(0, 1))
+ self.calnoise = self.pixelcode_2x2(rawnoise)
+
+ def make_revealer(self):
+ revealer = self.pixelcode_2x2(self.rawnoise)
+ revealer.invertPixels()
+ revealer = QBitmap.fromImage(revealer)
+ revealer = self.overlay_marks(revealer)
+ revealer = revealer.scaled(1014, 642)
+ self.filename = 'Revealer - '
+ revealer.save(self.base_dir + self.filename + self.version+'_'+self.code_id + '.png')
+ self.toPdf(QImage(revealer))
+ QDesktopServices.openUrl(QUrl.fromLocalFile(os.path.abspath(self.base_dir + self.filename + self.version+'_'+ self.code_id + '.pdf')))
+
+ def make_cypherseed(self, img, rawnoise, calibration=False, is_seed = True):
+ img = img.convertToFormat(QImage.Format_Mono)
+ p = QPainter()
+ p.begin(img)
+ p.setCompositionMode(26) #xor
+ p.drawImage(0, 0, rawnoise)
+ p.end()
+ cypherseed = self.pixelcode_2x2(img)
+ cypherseed = QBitmap.fromImage(cypherseed)
+ cypherseed = cypherseed.scaled(self.f_size, Qt.KeepAspectRatio)
+ cypherseed = self.overlay_marks(cypherseed, True, calibration)
+
+ if not is_seed:
+ self.filename = _('custom_secret')+'_'
+ self.was = _('Custom secret')
+ else:
+ self.filename = self.wallet_name+'_'+ _('seed')+'_'
+ self.was = self.wallet_name +' ' + _('seed')
+
+ if not calibration:
+ self.toPdf(QImage(cypherseed))
+ QDesktopServices.openUrl (QUrl.fromLocalFile(os.path.abspath(self.base_dir+self.filename+self.version+'_'+self.code_id+'.pdf')))
+ cypherseed.save(self.base_dir + self.filename +self.version + '_'+ self.code_id + '.png')
+ self.bcrypt(self.c_dialog)
+ return cypherseed
+
+ def calibration(self):
+ img = QImage(self.size[0],self.size[1], QImage.Format_Mono)
+ bitmap = QBitmap.fromImage(img, Qt.MonoOnly)
+ bitmap.fill(Qt.black)
+ self.make_calnoise()
+ img = self.overlay_marks(self.calnoise.scaledToHeight(self.f_size.height()), False, True)
+ self.calibration_pdf(img)
+ QDesktopServices.openUrl (QUrl.fromLocalFile(os.path.abspath(self.base_dir+_('calibration')+'.pdf')))
+ return img
+
+ def toPdf(self, image):
+ printer = QPrinter()
+ printer.setPaperSize(QSizeF(210, 297), QPrinter.Millimeter)
+ printer.setResolution(600)
+ printer.setOutputFormat(QPrinter.PdfFormat)
+ printer.setOutputFileName(self.base_dir+self.filename+self.version + '_'+self.code_id+'.pdf')
+ printer.setPageMargins(0,0,0,0,6)
+ painter = QPainter()
+ painter.begin(printer)
+
+ delta_h = round(image.width()/self.abstand_v)
+ delta_v = round(image.height()/self.abstand_h)
+
+ size_h = 2028+((int(self.calibration_h)*2028/(2028-(delta_h*2)+int(self.calibration_h)))/2)
+ size_v = 1284+((int(self.calibration_v)*1284/(1284-(delta_v*2)+int(self.calibration_v)))/2)
+
+ image = image.scaled(size_h, size_v)
+
+ painter.drawImage(553,533, image)
+ wpath = QPainterPath()
+ wpath.addRoundedRect(QRectF(553,533, size_h, size_v), 19, 19)
+ painter.setPen(QPen(Qt.black, 1))
+ painter.drawPath(wpath)
+ painter.end()
+
+ def calibration_pdf(self, image):
+ printer = QPrinter()
+ printer.setPaperSize(QSizeF(210, 297), QPrinter.Millimeter)
+ printer.setResolution(600)
+ printer.setOutputFormat(QPrinter.PdfFormat)
+ printer.setOutputFileName(self.base_dir+_('calibration')+'.pdf')
+ printer.setPageMargins(0,0,0,0,6)
+
+ painter = QPainter()
+ painter.begin(printer)
+ painter.drawImage(553,533, image)
+ font = QFont('Source Sans Pro', 10, QFont.Bold)
+ painter.setFont(font)
+ painter.drawText(254,277, _("Calibration sheet"))
+ font = QFont('Source Sans Pro', 7, QFont.Bold)
+ painter.setFont(font)
+ painter.drawText(600,2077, _("Instructions:"))
+ font = QFont('Source Sans Pro', 7, QFont.Normal)
+ painter.setFont(font)
+ painter.drawText(700, 2177, _("1. Place this paper on a flat and well iluminated surface."))
+ painter.drawText(700, 2277, _("2. Align your Revealer borderlines to the dashed lines on the top and left."))
+ painter.drawText(700, 2377, _("3. Press slightly the Revealer against the paper and read the numbers that best "
+ "match on the opposite sides. "))
+ painter.drawText(700, 2477, _("4. Type the numbers in the software"))
+ painter.end()
+
+ def pixelcode_2x2(self, img):
+ result = QImage(img.width()*2, img.height()*2, QImage.Format_ARGB32 )
+ white = qRgba(255,255,255,0)
+ black = qRgba(0,0,0,255)
+
+ for x in range(img.width()):
+ for y in range(img.height()):
+ c = img.pixel(QPoint(x,y))
+ colors = QColor(c).getRgbF()
+ if colors[0]:
+ result.setPixel(x*2+1,y*2+1, black)
+ result.setPixel(x*2,y*2+1, white)
+ result.setPixel(x*2+1,y*2, white)
+ result.setPixel(x*2, y*2, black)
+
+ else:
+ result.setPixel(x*2+1,y*2+1, white)
+ result.setPixel(x*2,y*2+1, black)
+ result.setPixel(x*2+1,y*2, black)
+ result.setPixel(x*2, y*2, white)
+ return result
+
+ def overlay_marks(self, img, is_cseed=False, calibration_sheet=False):
+ border_color = Qt.white
+ base_img = QImage(self.f_size.width(),self.f_size.height(), QImage.Format_ARGB32)
+ base_img.fill(border_color)
+ img = QImage(img)
+
+ painter = QPainter()
+ painter.begin(base_img)
+
+ total_distance_h = round(base_img.width() / self.abstand_v)
+ dist_v = round(total_distance_h) / 2
+ dist_h = round(total_distance_h) / 2
+
+ img = img.scaledToWidth(base_img.width() - (2 * (total_distance_h)))
+ painter.drawImage(total_distance_h,
+ total_distance_h,
+ img)
+
+ #frame around image
+ pen = QPen(Qt.black, 2)
+ painter.setPen(pen)
+
+ #horz
+ painter.drawLine(0, total_distance_h, base_img.width(), total_distance_h)
+ painter.drawLine(0, base_img.height()-(total_distance_h), base_img.width(), base_img.height()-(total_distance_h))
+ #vert
+ painter.drawLine(total_distance_h, 0, total_distance_h, base_img.height())
+ painter.drawLine(base_img.width()-(total_distance_h), 0, base_img.width()-(total_distance_h), base_img.height())
+
+ #border around img
+ border_thick = 6
+ Rpath = QPainterPath()
+ Rpath.addRect(QRectF((total_distance_h)+(border_thick/2),
+ (total_distance_h)+(border_thick/2),
+ base_img.width()-((total_distance_h)*2)-((border_thick)-1),
+ (base_img.height()-((total_distance_h))*2)-((border_thick)-1)))
+ pen = QPen(Qt.black, border_thick)
+ pen.setJoinStyle (Qt.MiterJoin)
+
+ painter.setPen(pen)
+ painter.drawPath(Rpath)
+
+ Bpath = QPainterPath()
+ Bpath.addRect(QRectF((total_distance_h), (total_distance_h),
+ base_img.width()-((total_distance_h)*2), (base_img.height()-((total_distance_h))*2)))
+ pen = QPen(Qt.black, 1)
+ painter.setPen(pen)
+ painter.drawPath(Bpath)
+
+ pen = QPen(Qt.black, 1)
+ painter.setPen(pen)
+ painter.drawLine(0, base_img.height()/2, total_distance_h, base_img.height()/2)
+ painter.drawLine(base_img.width()/2, 0, base_img.width()/2, total_distance_h)
+
+ painter.drawLine(base_img.width()-total_distance_h, base_img.height()/2, base_img.width(), base_img.height()/2)
+ painter.drawLine(base_img.width()/2, base_img.height(), base_img.width()/2, base_img.height() - total_distance_h)
+
+ #print code
+ f_size = 37
+ QFontDatabase.addApplicationFont(os.path.join(os.path.dirname(__file__), 'DejaVuSansMono-Bold.ttf'))
+ font = QFont("DejaVu Sans Mono", f_size-11, QFont.Bold)
+ painter.setFont(font)
+
+ if not calibration_sheet:
+ if is_cseed: #its a secret
+ painter.setPen(QPen(Qt.black, 1, Qt.DashDotDotLine))
+ painter.drawLine(0, dist_v, base_img.width(), dist_v)
+ painter.drawLine(dist_h, 0, dist_h, base_img.height())
+ painter.drawLine(0, base_img.height()-dist_v, base_img.width(), base_img.height()-(dist_v))
+ painter.drawLine(base_img.width()-(dist_h), 0, base_img.width()-(dist_h), base_img.height())
+
+ painter.drawImage(((total_distance_h))+11, ((total_distance_h))+11,
+ QImage(':icons/electrumb.png').scaledToWidth(2.1*(total_distance_h), Qt.SmoothTransformation))
+
+ painter.setPen(QPen(Qt.white, border_thick*8))
+ painter.drawLine(base_img.width()-((total_distance_h))-(border_thick*8)/2-(border_thick/2)-2,
+ (base_img.height()-((total_distance_h)))-((border_thick*8)/2)-(border_thick/2)-2,
+ base_img.width()-((total_distance_h))-(border_thick*8)/2-(border_thick/2)-2 - 77,
+ (base_img.height()-((total_distance_h)))-((border_thick*8)/2)-(border_thick/2)-2)
+ painter.setPen(QColor(0,0,0,255))
+ painter.drawText(QRect(0, base_img.height()-107, base_img.width()-total_distance_h - border_thick - 11,
+ base_img.height()-total_distance_h - border_thick), Qt.AlignRight, self.version + '_'+self.code_id)
+ painter.end()
+
+ else: # revealer
+
+ painter.setPen(QPen(border_color, 17))
+ painter.drawLine(0, dist_v, base_img.width(), dist_v)
+ painter.drawLine(dist_h, 0, dist_h, base_img.height())
+ painter.drawLine(0, base_img.height()-dist_v, base_img.width(), base_img.height()-(dist_v))
+ painter.drawLine(base_img.width()-(dist_h), 0, base_img.width()-(dist_h), base_img.height())
+
+ painter.setPen(QPen(Qt.black, 2))
+ painter.drawLine(0, dist_v, base_img.width(), dist_v)
+ painter.drawLine(dist_h, 0, dist_h, base_img.height())
+ painter.drawLine(0, base_img.height()-dist_v, base_img.width(), base_img.height()-(dist_v))
+ painter.drawLine(base_img.width()-(dist_h), 0, base_img.width()-(dist_h), base_img.height())
+ logo = QImage(':icons/revealer_c.png').scaledToWidth(1.3*(total_distance_h))
+ painter.drawImage((total_distance_h)+ (border_thick), ((total_distance_h))+ (border_thick), logo, Qt.SmoothTransformation)
+
+ #frame around logo
+ painter.setPen(QPen(Qt.black, border_thick))
+ painter.drawLine(total_distance_h+border_thick, total_distance_h+logo.height()+3*(border_thick/2),
+ total_distance_h+logo.width()+border_thick, total_distance_h+logo.height()+3*(border_thick/2))
+ painter.drawLine(logo.width()+total_distance_h+3*(border_thick/2), total_distance_h+(border_thick),
+ total_distance_h+logo.width()+3*(border_thick/2), total_distance_h+logo.height()+(border_thick))
+
+ #frame around code/qr
+ qr_size = 179
+
+ painter.drawLine((base_img.width()-((total_distance_h))-(border_thick/2)-2)-qr_size,
+ (base_img.height()-((total_distance_h)))-((border_thick*8))-(border_thick/2)-2,
+ (base_img.width()/2+(total_distance_h/2)-border_thick-(border_thick*8)/2)-qr_size,
+ (base_img.height()-((total_distance_h)))-((border_thick*8))-(border_thick/2)-2)
+
+ painter.drawLine((base_img.width()/2+(total_distance_h/2)-border_thick-(border_thick*8)/2)-qr_size,
+ (base_img.height()-((total_distance_h)))-((border_thick*8))-(border_thick/2)-2,
+ base_img.width()/2 + (total_distance_h/2)-border_thick-(border_thick*8)/2-qr_size,
+ ((base_img.height()-((total_distance_h)))-(border_thick/2)-2))
+
+ painter.setPen(QPen(Qt.white, border_thick * 8))
+ painter.drawLine(
+ base_img.width() - ((total_distance_h)) - (border_thick * 8) / 2 - (border_thick / 2) - 2,
+ (base_img.height() - ((total_distance_h))) - ((border_thick * 8) / 2) - (border_thick / 2) - 2,
+ base_img.width() / 2 + (total_distance_h / 2) - border_thick - qr_size,
+ (base_img.height() - ((total_distance_h))) - ((border_thick * 8) / 2) - (border_thick / 2) - 2)
+
+ painter.setPen(QColor(0,0,0,255))
+ painter.drawText(QRect(((base_img.width()/2) +21)-qr_size, base_img.height()-107,
+ base_img.width()-total_distance_h - border_thick -93,
+ base_img.height()-total_distance_h - border_thick), Qt.AlignLeft, self.hex_noise.upper())
+ painter.drawText(QRect(0, base_img.height()-107, base_img.width()-total_distance_h - border_thick -3 -qr_size,
+ base_img.height()-total_distance_h - border_thick), Qt.AlignRight, self.code_id)
+
+ # draw qr code
+ qr_qt = self.paintQR(self.hex_noise.upper() +self.code_id)
+ target = QRectF(base_img.width()-65-qr_size,
+ base_img.height()-65-qr_size,
+ qr_size, qr_size );
+ painter.drawImage(target, qr_qt);
+ painter.setPen(QPen(Qt.black, 4))
+ painter.drawLine(base_img.width()-65-qr_size,
+ base_img.height()-65-qr_size,
+ base_img.width() - 65 - qr_size,
+ (base_img.height() - ((total_distance_h))) - ((border_thick * 8)) - (border_thick / 2) - 4
+ )
+ painter.drawLine(base_img.width()-65-qr_size,
+ base_img.height()-65-qr_size,
+ base_img.width() - 65,
+ base_img.height()-65-qr_size
+ )
+ painter.end()
+
+ else: # calibration only
+ painter.end()
+ cal_img = QImage(self.f_size.width() + 100, self.f_size.height() + 100,
+ QImage.Format_ARGB32)
+ cal_img.fill(Qt.white)
+
+ cal_painter = QPainter()
+ cal_painter.begin(cal_img)
+ cal_painter.drawImage(0,0, base_img)
+
+ #black lines in the middle of border top left only
+ cal_painter.setPen(QPen(Qt.black, 1, Qt.DashDotDotLine))
+ cal_painter.drawLine(0, dist_v, base_img.width(), dist_v)
+ cal_painter.drawLine(dist_h, 0, dist_h, base_img.height())
+
+ pen = QPen(Qt.black, 2, Qt.DashDotDotLine)
+ cal_painter.setPen(pen)
+ n=15
+
+ cal_painter.setFont(QFont("DejaVu Sans Mono", 21, QFont.Bold))
+ for x in range(-n,n):
+ #lines on bottom (vertical calibration)
+ cal_painter.drawLine((((base_img.width())/(n*2)) *(x))+ (base_img.width()/2)-13,
+ x+2+base_img.height()-(dist_v),
+ (((base_img.width())/(n*2)) *(x))+ (base_img.width()/2)+13,
+ x+2+base_img.height()-(dist_v))
+
+ num_pos = 9
+ if x > 9 : num_pos = 17
+ if x < 0 : num_pos = 20
+ if x < -9: num_pos = 27
+
+ cal_painter.drawText((((base_img.width())/(n*2)) *(x))+ (base_img.width()/2)-num_pos,
+ 50+base_img.height()-(dist_v),
+ str(x))
+
+ #lines on the right (horizontal calibrations)
+
+ cal_painter.drawLine(x+2+(base_img.width()-(dist_h)),
+ ((base_img.height()/(2*n)) *(x))+ (base_img.height()/n)+(base_img.height()/2)-13,
+ x+2+(base_img.width()-(dist_h)),
+ ((base_img.height()/(2*n)) *(x))+ (base_img.height()/n)+(base_img.height()/2)+13)
+
+
+ cal_painter.drawText(30+(base_img.width()-(dist_h)),
+ ((base_img.height()/(2*n)) *(x))+ (base_img.height()/2)+13, str(x))
+
+ cal_painter.end()
+ base_img = cal_img
+
+ return base_img
+
+ def paintQR(self, data):
+ if not data:
+ return
+ qr = qrcode.QRCode()
+ qr.add_data(data)
+ matrix = qr.get_matrix()
+ k = len(matrix)
+ border_color = Qt.white
+ base_img = QImage(k * 5, k * 5, QImage.Format_ARGB32)
+ base_img.fill(border_color)
+ qrpainter = QPainter()
+ qrpainter.begin(base_img)
+ boxsize = 5
+ size = k * boxsize
+ left = (base_img.width() - size)/2
+ top = (base_img.height() - size)/2
+ qrpainter.setBrush(Qt.black)
+ qrpainter.setPen(Qt.black)
+
+ for r in range(k):
+ for c in range(k):
+ if matrix[r][c]:
+ qrpainter.drawRect(left+c*boxsize, top+r*boxsize, boxsize - 1, boxsize - 1)
+ qrpainter.end()
+ return base_img
+
+ def calibration_dialog(self, window):
+ d = WindowModalDialog(window, _("Revealer - Printer calibration settings"))
+
+ d.setMinimumSize(100, 200)
+
+ vbox = QVBoxLayout(d)
+ vbox.addWidget(QLabel(''.join(["<br/>", _("If you have an old printer, or want optimal precision"),"<br/>",
+ _("print the calibration pdf and follow the instructions "), "<br/>","<br/>",
+ ])))
+ self.calibration_h = self.config.get('calibration_h')
+ self.calibration_v = self.config.get('calibration_v')
+ cprint = QPushButton(_("Open calibration pdf"))
+ cprint.clicked.connect(self.calibration)
+ vbox.addWidget(cprint)
+
+ vbox.addWidget(QLabel(_('Calibration values:')))
+ grid = QGridLayout()
+ vbox.addLayout(grid)
+ grid.addWidget(QLabel(_('Right side')), 0, 0)
+ horizontal = QLineEdit()
+ horizontal.setText(str(self.calibration_h))
+ grid.addWidget(horizontal, 0, 1)
+
+ grid.addWidget(QLabel(_('Bottom')), 1, 0)
+ vertical = QLineEdit()
+ vertical.setText(str(self.calibration_v))
+ grid.addWidget(vertical, 1, 1)
+
+ vbox.addStretch()
+ vbox.addSpacing(13)
+ vbox.addLayout(Buttons(CloseButton(d), OkButton(d)))
+
+ if not d.exec_():
+ return
+
+ self.calibration_h = int(horizontal.text())
+ self.config.set_key('calibration_h', self.calibration_h)
+ self.calibration_v = int(vertical.text())
+ self.config.set_key('calibration_v', self.calibration_v)
+
+
