Symmetric-key cryptanalysis by quantum computers

Cryptography is widely used and implemented, particularly in a modern-day setting. Of note to the field of cryptography is the advent of quantum computing in speeding up computations. Particularly, existing asymmetric-key cryptographic schemes have already been found to be broken in a post-quantum s...

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書目詳細資料
主要作者: Hsu, Gabriel Kai Nan
其他作者: Guo Jian
格式: Final Year Project
語言:English
出版: Nanyang Technological University 2022
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在線閱讀:https://hdl.handle.net/10356/156948
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機構: Nanyang Technological University
語言: English
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總結:Cryptography is widely used and implemented, particularly in a modern-day setting. Of note to the field of cryptography is the advent of quantum computing in speeding up computations. Particularly, existing asymmetric-key cryptographic schemes have already been found to be broken in a post-quantum setting, through the ability of quantum algorithms in solving difficult mathematical problems such as integer factorisation and discrete logarithms. In contrast, current symmetric-key cryptographic schemes are touted as quantum resistant, and it is often assumed that merely an increase of key length is needed to update current schemes in a post-quantum setting. Hence this project analyses the security of symmetric-key cryptography schemes against quantum computers, particularly compared against recent developments in classical cryptanalysis.