From 717c574057443b7f5598c9fd3f024c22d53b6e44 Mon Sep 17 00:00:00 2001
From: Myzel394 <50424412+Myzel394@users.noreply.github.com>
Date: Sat, 31 Dec 2022 18:44:03 +0100
Subject: [PATCH] added Cryptography explanation

---
 docs/Cryptography.drawio | 1 +
 docs/Cryptography.svg    | 3 +++
 2 files changed, 4 insertions(+)
 create mode 100644 docs/Cryptography.drawio
 create mode 100644 docs/Cryptography.svg

diff --git a/docs/Cryptography.drawio b/docs/Cryptography.drawio
new file mode 100644
index 0000000..9920679
--- /dev/null
+++ b/docs/Cryptography.drawio
@@ -0,0 +1 @@
+<mxfile host="app.diagrams.net" modified="2022-12-31T15:56:38.243Z" agent="5.0 (Windows NT 11.0; WOW64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5378.102 Safari/537.36" version="20.7.4" etag="M6PdMIYhH2EpN2A765MG" type="device"><diagram id="0m0Wk9QBd3KOZ6xJ0Sey" name="Page-1">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</diagram></mxfile>
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diff --git a/docs/Cryptography.svg b/docs/Cryptography.svg
new file mode 100644
index 0000000..858186d
--- /dev/null
+++ b/docs/Cryptography.svg
@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="759px" height="357px" viewBox="-0.5 -0.5 759 357" style="background-color: rgb(255, 255, 255);"><defs/><g><path d="M 133.04 213 L 133.04 246.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 133.04 251.88 L 129.54 244.88 L 133.04 246.63 L 136.54 244.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="33" y="133" width="200" height="80" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 198px; height: 1px; padding-top: 173px; margin-left: 34px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">Password gets salted with unique user salt + instance salt + constant salt</div></div></div></foreignObject><text x="133" y="177" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">Password gets salted with unique...</text></switch></g><path d="M 133 93 L 133 126.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 133 131.88 L 129.5 124.88 L 133 126.63 L 136.5 124.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="58" y="53" width="150" height="40" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 148px; height: 1px; padding-top: 73px; margin-left: 59px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">User enters password</div></div></div></foreignObject><text x="133" y="77" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">User enters password</text></switch></g><path d="M 238 283.03 L 293.03 283.03 L 293.03 33.03 L 408 33.03 L 408 46.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 408 51.88 L 404.5 44.88 L 408 46.63 L 411.5 44.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="33" y="253" width="205" height="60" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 203px; height: 1px; padding-top: 283px; margin-left: 34px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">Encryption Password is derived using salted password</div></div></div></foreignObject><text x="136" y="287" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">Encryption Password is derived usi...</text></switch></g><path d="M 408 93 L 408 126.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 408 131.88 L 404.5 124.88 L 408 126.63 L 411.5 124.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><path d="M 468 73.03 L 638 73.03 L 638 126.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 638 131.88 L 634.5 124.88 L 638 126.63 L 641.5 124.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="348" y="53" width="120" height="40" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 73px; margin-left: 349px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">Encryption Password</div></div></div></foreignObject><text x="408" y="77" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">Encryption Password</text></switch></g><rect x="318" y="133" width="180" height="60" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 178px; height: 1px; padding-top: 163px; margin-left: 319px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">Symmetrically encrypted data can be encrypted and decrypted using encryption password</div></div></div></foreignObject><text x="408" y="167" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">Symmetrically encrypted data c...</text></switch></g><path d="M 638 193 L 638 226.63" fill="none" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 638 231.88 L 634.5 224.88 L 638 226.63 L 641.5 224.88 Z" fill="rgb(0, 0, 0)" stroke="rgb(0, 0, 0)" stroke-miterlimit="10" pointer-events="all"/><rect x="548" y="133" width="180" height="60" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 178px; height: 1px; padding-top: 163px; margin-left: 549px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">Private key is decrypted using encryption password</div></div></div></foreignObject><text x="638" y="167" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">Private key is decrypted using...</text></switch></g><rect x="538" y="233" width="200" height="60" fill="rgb(255, 255, 255)" stroke="rgb(0, 0, 0)" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 198px; height: 1px; padding-top: 263px; margin-left: 539px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: normal; overflow-wrap: normal;">Asymmetrically encrypted data can be encrypted and decrypted using private and public key</div></div></div></foreignObject><text x="638" y="267" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">Asymmetrically encrypted data can...</text></switch></g><rect x="0.5" y="325" width="270" height="30" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 340px; margin-left: 136px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: nowrap;">Encryption Password is derived using PBKDF2</div></div></div></foreignObject><text x="136" y="344" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">Encryption Password is derived using PBKDF2</text></switch></g><rect x="318" y="203" width="180" height="30" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 218px; margin-left: 408px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: nowrap;">Data is encrypted using AES</div></div></div></foreignObject><text x="408" y="222" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">Data is encrypted using AES</text></switch></g><rect x="518" y="305" width="240" height="30" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 320px; margin-left: 638px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: nowrap;">Keys are generated using RSA 4096 bits</div></div></div></foreignObject><text x="638" y="324" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">Keys are generated using RSA 4096 bits</text></switch></g><rect x="417" y="0" width="311" height="41" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility" style="overflow: visible; text-align: left;"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 21px; margin-left: 572px;"><div data-drawio-colors="color: rgb(0, 0, 0); " style="box-sizing: border-box; font-size: 0px; text-align: center;"><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: rgb(0, 0, 0); line-height: 1.2; pointer-events: all; white-space: nowrap;">Encryption Passwords are generated pseudo-randomly<br />with a length of 4096 characters</div></div></div></foreignObject><text x="572" y="24" fill="rgb(0, 0, 0)" font-family="Helvetica" font-size="12px" text-anchor="middle">Encryption Passwords are generated pseudo-randomly...</text></switch></g></g><switch><g requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"/><a transform="translate(0,-5)" xlink:href="https://www.diagrams.net/doc/faq/svg-export-text-problems" target="_blank"><text text-anchor="middle" font-size="10px" x="50%" y="100%">Text is not SVG - cannot display</text></a></switch></svg>
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