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Security design for system of remote quality measurement of electric power
Jakubíček, Michal ; Koutný, Martin (referee) ; Mlýnek, Petr (advisor)
Bachelor thesis in the first chapter deals with the concept of quality of electric power and its parameters. The next chapter is focused on systems that used remote data collection and the current direction of evolution of these systems. The third of the thesis discusses the symmetric and asymmetric cryptographic systems and their main representatives. The asymmetric system is described by the principle of calculating RSA and Diffie–Hellman. The next part deals with selected libraries that can count large numbers. Through the establishment of key using the Diffie–Hellman with these libraries and the subsequent measurement should be proved whether optimized library is faster than the other libraries. The evaluation of the used library in terms of speed and memory consumption is inculded in the final chapter. The appendix include installation instructions for the libraries BigDigits, GMP and OpenSSL in Visual Studio 2010.
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Security design for system of remote quality measurement of electric power
Jakubíček, Michal ; Koutný, Martin (referee) ; Mlýnek, Petr (advisor)
Bachelor thesis in the first chapter deals with the concept of quality of electric power and its parameters. The next chapter is focused on systems that used remote data collection and the current direction of evolution of these systems. The third of the thesis discusses the symmetric and asymmetric cryptographic systéme and their main representatives. The asymmetric system is described by the principle of calculating RSA and Diffie–Hellman. The next part deals with selected libraries that can count large numbers. Through the establishment of key using the Diffie–Hellman with these libraries. The evaluation of the used library in terms of speed, number of elementary cycles and memory consumption is inculded in the chapter 5. The last chapter explains the optimization focused on Ultra-Low Power MCU and shown Montgomery multiplication and squaring. It describes in detail the procedure of calculation and described why is his calculation faster than conventional modular multiplication and exponentiation. The appendix include installation instructions for the libraries BigDigits, GMP and OpenSSL in Visual Studio 2010.
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Applications for parallel processing in cryptography
Šánek, Jaromír ; Martinásek, Zdeněk (referee) ; Hajný, Jan (advisor)
This thesis is about parallel programming. In the first part of the thesis is compared speed of functions modular exponentiation from various C/C++ libraries for CPU. In the second part is transformed the LibTomMath library from CPU to GPU CUDA technology. For devices CPU and GPU is compared speed of processing the operation of modular exponentiation from modified library. In conclusion are created two applications “Client –Server” for computing the revocation function of the protocol HM12.
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Secure Two-Party Computation for weak Boneh-Boyen Signature
Sečkár, M. ; Ricci, S.
Secure two-party computation allows two entities to securely calculate a common result keeping their private inputs secret. By applying this to the weak Boneh-Boyen signature, a trusted third party is able to sign the user’s message (or a secret key) without knowing its content (or value). In this article, we present a C library that implements a two-party computation algorithm for generating a user’s secret key that can be used in a group signature scheme. The library provides a structured output ready to be serialized and sent over a network. We also show the computational benchmarks of the implemented algorithms. The computations on the sender’s side are relatively fast, which broadens the possibilities of deployment on constrained devices.
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Multipotent mesenchymal stromal cells in orthopedic: Potentiation of bone healing
Stehlík, David ; Trč, Tomáš (advisor) ; Janíček, Pavel (referee) ; Sedmera, David (referee)
The aim of the thesis was development of an innovative treatment of bone defects. Human multipotent mesenchymal stromal cells (MSC) play a crucial role in bone healing. Clinical applications of MSC require large amount of cells, which could be obtained by autologous expansion of MSC harvested from bone marrow. As a first step, the standard protocol of MSC expansion based on αMEM medium and fetal bovine serum (FBS) was used. Experiments replacing FBS by pooled human serum (HS) in the culture medium concluded in patenting of a new MSC cultivation protocol (EU 1999250, CR 301141). This one-step cultivation protocol and xenogeneic protein-free cultivation medium is based on CellGro® for Hematopoietic Cells' Medium, HS, human recombinant growth factors, dexamethasone, insulin and ascorbic acid. The preclinical in vitro and in vivo experiments with MSC from both expansion protocols were carried out. Fibrillar polylactic scaffolds were seeded with MSC, cultured, differentiated and implanted in immunodeficient mice (NOD/LtSz-Rag1-). Bone-like mineralized tissue containing vessels was observed. The MSC cultured according to patented method were classified as Advanced-therapy Medicinal Product and has to fulfil the European Medicines Agency regulations to enter the clinical trials. Nevertheless the use of MSC seems...
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Security design for system of remote quality measurement of electric power
Jakubíček, Michal ; Koutný, Martin (referee) ; Mlýnek, Petr (advisor)
Bachelor thesis in the first chapter deals with the concept of quality of electric power and its parameters. The next chapter is focused on systems that used remote data collection and the current direction of evolution of these systems. The third of the thesis discusses the symmetric and asymmetric cryptographic systems and their main representatives. The asymmetric system is described by the principle of calculating RSA and Diffie–Hellman. The next part deals with selected libraries that can count large numbers. Through the establishment of key using the Diffie–Hellman with these libraries and the subsequent measurement should be proved whether optimized library is faster than the other libraries. The evaluation of the used library in terms of speed and memory consumption is inculded in the final chapter. The appendix include installation instructions for the libraries BigDigits, GMP and OpenSSL in Visual Studio 2010.
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Multipotent mesenchymal stromal cells in orthopedic: Potentiation of bone healing
Stehlík, David ; Trč, Tomáš (advisor) ; Janíček, Pavel (referee) ; Sedmera, David (referee)
The aim of the thesis was development of an innovative treatment of bone defects. Human multipotent mesenchymal stromal cells (MSC) play a crucial role in bone healing. Clinical applications of MSC require large amount of cells, which could be obtained by autologous expansion of MSC harvested from bone marrow. As a first step, the standard protocol of MSC expansion based on αMEM medium and fetal bovine serum (FBS) was used. Experiments replacing FBS by pooled human serum (HS) in the culture medium concluded in patenting of a new MSC cultivation protocol (EU 1999250, CR 301141). This one-step cultivation protocol and xenogeneic protein-free cultivation medium is based on CellGro® for Hematopoietic Cells' Medium, HS, human recombinant growth factors, dexamethasone, insulin and ascorbic acid. The preclinical in vitro and in vivo experiments with MSC from both expansion protocols were carried out. Fibrillar polylactic scaffolds were seeded with MSC, cultured, differentiated and implanted in immunodeficient mice (NOD/LtSz-Rag1-). Bone-like mineralized tissue containing vessels was observed. The MSC cultured according to patented method were classified as Advanced-therapy Medicinal Product and has to fulfil the European Medicines Agency regulations to enter the clinical trials. Nevertheless the use of MSC seems...
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Security design for system of remote quality measurement of electric power
Jakubíček, Michal ; Koutný, Martin (referee) ; Mlýnek, Petr (advisor)
Bachelor thesis in the first chapter deals with the concept of quality of electric power and its parameters. The next chapter is focused on systems that used remote data collection and the current direction of evolution of these systems. The third of the thesis discusses the symmetric and asymmetric cryptographic systéme and their main representatives. The asymmetric system is described by the principle of calculating RSA and Diffie–Hellman. The next part deals with selected libraries that can count large numbers. Through the establishment of key using the Diffie–Hellman with these libraries. The evaluation of the used library in terms of speed, number of elementary cycles and memory consumption is inculded in the chapter 5. The last chapter explains the optimization focused on Ultra-Low Power MCU and shown Montgomery multiplication and squaring. It describes in detail the procedure of calculation and described why is his calculation faster than conventional modular multiplication and exponentiation. The appendix include installation instructions for the libraries BigDigits, GMP and OpenSSL in Visual Studio 2010.
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Applications for parallel processing in cryptography
Šánek, Jaromír ; Martinásek, Zdeněk (referee) ; Hajný, Jan (advisor)
This thesis is about parallel programming. In the first part of the thesis is compared speed of functions modular exponentiation from various C/C++ libraries for CPU. In the second part is transformed the LibTomMath library from CPU to GPU CUDA technology. For devices CPU and GPU is compared speed of processing the operation of modular exponentiation from modified library. In conclusion are created two applications “Client –Server” for computing the revocation function of the protocol HM12.
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Quality management system in the small and middle enterprise (SME)
MUSILOVÁ, Michala
This diploma thesis has been written on the topic:"Quality management system in the small and middle enterprise (SME)". The choosen enterprise is called "Roman Kovář company", which deals with cargo-transport services. The goal of this diploma thesis is to value and describe quality management system in choosen SME. In a theoretical part, there is quality management system described and divided due to literature.
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