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Infrastructure of public keys
Bědajánek, Ondřej ; Malý, Jan (referee) ; Pust, Radim (advisor)
The subject of my thesis dscribes function and principles of the public key infrastructure as well as certificate authority. Under the operation system Linux was created self signed certificate authority. Web interface was devoloped in PHP for the purpose of the generation, distribution and rejection certificates. Configuration files for OpenVPN are included in the thesis and wireless security is achived by OpenVPN.
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Certification authority
Herinek, Denis ; Sikora, Marek (referee) ; Zeman, Václav (advisor)
There is a lot of available services on the internet those need to be more secured and trusted. Public key infrastructure is used in sectors where are higher expectations in case of authentication, integrity and confidentality. It is almost impossible to imagine how internet banking or electronic signatures of important documents would work without PKI. There is a lot of open-source realisations of PKI created by users. Digital certificates as a part of PKI are issued by certificate authorities. This diploma thesis consists of open- source realisation of certificate authority and timestamping authority to demonstrate services which they provide.
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Model EDI in e-commerce
Grohmann, Jiří ; Mareth, Zdeněk (referee) ; Dvořák, Jiří (advisor)
This work is containing a model EDI in e-commerce. There is a situation about electronic signature in the a accounting is taking to parts and chosen cases of safety of electronic signature. In this work are chosen possibilities of protecting data in the e-commerce.
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Electronic signature in practice
Blahušová, Klára ; Sikora, Marek (referee) ; Zeman, Václav (advisor)
The topic of this work is electronic signatures and their use in the European Union, while consideration is also given to nations in the European Free Trade Association (Iceland, Liechtenstein, Norway and Switzerland) and others, such as Great Britain, USA and China. Description is given of legislation governing electronic signatures, the form this takes and differences between the aforementioned countries. Each section contains a list of relevant certificate authorities for the territories discussed therein. The first part defines what an electronic signature is and the theory behind it, whereas the other is devoted to application in said territories. A summary of the information provided herein is available online via a dedicated web app.
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Lab of public key infrastructure
Slavík, Petr ; Lambertová, Petra (referee) ; Burda, Karel (advisor)
The aim of this thesis is to study and describe the theme of Public Key Infrastructure (PKI). Within the scope of minute PKI characterization there is a gradual depiction of particular structural elements, which are above all represented by cryptographic operations (asymetric and symetric cryptography, hash function and digital signature); then, there are also individual PKI subjects that are dealt with, like eg. certification authority, certificates, security protocols, secure heap etc. Last but not least there are a few complete Public Key Infrastructure implementation solutions described (OpenSSL, Microsft CA). The practical part of the thesis, a lab exercise, gives potential students the knowledge of installing OpenSSL system based certification authority. The next task educate students how to secure web server with certificate signed with own CA and also how to secure web server users‘ access control through certificates signed by the previously installed CA.
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Interception of Modern Encrypted Protocols
Marček, Ján ; Korček, Pavol (referee) ; Kajan, Michal (advisor)
This thesis deals with the introduction to the security mechanism.The procedure explains the basic concepts, principles of cryptography and security of modern protocols and basic principles that are used for information transmission network. The work also describes the most common types of attacks targeting the eavesdropping of communication. The result is a design of the eavesdropping and the implementation of an attack on the secure communication of the SSL protocol..The attacker uses a false certificate and attacks based on poisoning the ARP and DNS tables for this purpose. The thesis discusses the principles of the SSL protocol and methodology of attacks on the ARP and DNS tables.
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Electronic signature in practice
Blahušová, Klára ; Sikora, Marek (referee) ; Zeman, Václav (advisor)
The topic of this work is electronic signatures and their use in the European Union, while consideration is also given to nations in the European Free Trade Association (Iceland, Liechtenstein, Norway and Switzerland) and others, such as Great Britain, USA and China. Description is given of legislation governing electronic signatures, the form this takes and differences between the aforementioned countries. Each section contains a list of relevant certificate authorities for the territories discussed therein. The first part defines what an electronic signature is and the theory behind it, whereas the other is devoted to application in said territories. A summary of the information provided herein is available online via a dedicated web app.
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Certification authority
Herinek, Denis ; Sikora, Marek (referee) ; Zeman, Václav (advisor)
There is a lot of available services on the internet those need to be more secured and trusted. Public key infrastructure is used in sectors where are higher expectations in case of authentication, integrity and confidentality. It is almost impossible to imagine how internet banking or electronic signatures of important documents would work without PKI. There is a lot of open-source realisations of PKI created by users. Digital certificates as a part of PKI are issued by certificate authorities. This diploma thesis consists of open- source realisation of certificate authority and timestamping authority to demonstrate services which they provide.
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Model EDI in e-commerce
Grohmann, Jiří ; Mareth, Zdeněk (referee) ; Dvořák, Jiří (advisor)
This work is containing a model EDI in e-commerce. There is a situation about electronic signature in the a accounting is taking to parts and chosen cases of safety of electronic signature. In this work are chosen possibilities of protecting data in the e-commerce.
|
|
|
Interception of Modern Encrypted Protocols
Marček, Ján ; Korček, Pavol (referee) ; Kajan, Michal (advisor)
This thesis deals with the introduction to the security mechanism.The procedure explains the basic concepts, principles of cryptography and security of modern protocols and basic principles that are used for information transmission network. The work also describes the most common types of attacks targeting the eavesdropping of communication. The result is a design of the eavesdropping and the implementation of an attack on the secure communication of the SSL protocol..The attacker uses a false certificate and attacks based on poisoning the ARP and DNS tables for this purpose. The thesis discusses the principles of the SSL protocol and methodology of attacks on the ARP and DNS tables.
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