Cryptography and Computer Security
Jupyter notebooks - past years
2020/21
Tutorial 13.10.2020 - Cryptanalysis of classical ciphers
VigenereCipher.ipynb: Vigenère cipher in Python
Tutorial 27./28.10.2020 - LFSR
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LFSR.ipynb: LFSR in Sage
Tutorial 17./18.11.2020 - Attacks on RSA
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Coppersmith.ipynb: Coppersmith’s attack on a small exponent -
CommonModulus.ipynb: Common modulus attack -
RSA-ECB.ipynb: RSA in ECB mode
Tutorial 24.11.2020 - Jacobi symbols
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Jacobi.ipynb: Computing Jacobi symbols
Tutorial 1./2.12.2020 - Integer factorization
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Factorization.ipynb: Integer factorization
Tutorial 15./16.12.2020 - Discrete logarithm problem
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BabyStepGiantStep.ipynb: Shanks’s baby-step/giant-step algorithm -
PohligHellman.ipynb: The Pohlig-Hellman algorithm -
IndexCalculus.ipynb: The Index calculus algorithm
Tutorial 12./13.1.2021 - Elliptic curves
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EllipticCurves.ipynb: Elliptic curves
2019/20
Tutorial 23./28.10.2019 - LFSR
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LFSR.ipynb: LFSR in Sage
Tutorial 13./18.11.2019 - Attacks on RSA
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Coppersmith.ipynb: Coppersmith’s attack on a small exponent -
CommonModulus.ipynb: Common modulus attack -
RSA-ECB.ipynb: RSA in ECB mode
Tutorial 27.11./2.12.2019 - Integer factorization
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Factorization.ipynb: Integer factorization
Tutorial 11./16.12.2019 - Discrete logarithm problem
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BabyStepGiantStep.ipynb: Shanks’s baby-step/giant-step algorithm -
PohligHellman.ipynb: The Pohlig-Hellman algorithm -
IndexCalculus.ipynb: The Index calculus algorithm
2018/19
Tutorial 22.10.2018 - LFSR
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LFSR.ipynb: LFSR in Sage
Tutorial 13.11.2018 - Attacks on RSA
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Coppersmith.ipynb: Coppersmith’s attack on a small exponent -
CommonModulus.ipynb: Common modulus attack -
RSA-ECB.ipynb: RSA in ECB mode
Tutorial 19.11.2018 - Integer factorization
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Factorization.ipynb: Integer factorization
Tutorial 10.12.2018 - Discrete logarithm problem
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BabyStepGiantStep.ipynb: Shanks’s baby-step/giant-step algorithm -
PohligHellman.ipynb: The Pohlig-Hellman algorithm -
IndexCalculus.ipynb: The Index calculus algorithm
Tutorial 17.12.2018 - Digital signatures
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ReblockingProblem.ipynb: The reblocking problem for RSA -
GroupSignature.ipynb: The ACJT2000 group signature scheme