[taler-anastasis] 05/05: initial work on introduction

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dennis-neufeld pushed a commit to branch master
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commit 7b417b4267bf9efaa90b9607af7d52034418a0ab
Author: Dennis Neufeld <dennis.neufeld@students.bfh.ch>
AuthorDate: Wed Jun 3 22:20:02 2020 +0000

    initial work on introduction
---
 doc/thesis/introduction.tex | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/doc/thesis/introduction.tex b/doc/thesis/introduction.tex
index e68a050..5123595 100644
--- a/doc/thesis/introduction.tex
+++ b/doc/thesis/introduction.tex
@@ -1,3 +1,15 @@
 \section{Introduction}
+Secure storage of private cryptographic keys or in general every kind of core 
secret is a big problem
+because there is no reasonable solution solving it while meeting the following 
criteria:
+\begin{itemize}
+       \item Only the user must be in control of the core secret.
+       \item The solution must ensure confidentiality of the stored core 
secret.
+       \item The solution must ensure availability of the core secret.
+       \item The user doesn't need to memorize a password.
+\end{itemize}
 
-Introduction here
+There are several applications which are in need of a key escrow system with 
the described properties. For example for email encryption using Pretty Good 
Privacy (PGP) \cite{garfinkel1995} you need a private key which is stored to 
the device running PGP. Losing the PGP private key means following: All 
received emails which are encrypted with a key derived from the private key are 
unreadable and you need to build your trust network again. Because emails could 
contain high sensitive inform [...]
+
+Another application relying on a core secret are cryptocurrencies like 
Bitcoin. Each user of Bitcoin needs a so called Wallet which stores and 
protects the private keys of the user. Those private keys legitimate its owners 
to spend the bitcoins corresponding to the keys \cite{LLLW*2017}. Therefor 
losing those keys means losing all the corresponding Bitcoins which in some 
cases could be a loss of millions of Euros \cite{millions_lost}.\\
+
+FIXME: PEP, TALER, Europaeische Zentralbank

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