SISroot

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Solved Challenges

Elliptic Curves Montgomery's Ladder 40
Diffie-Hellman Static Client 2 120
Misc Bruce Schneier's Password 100
Misc Bruce Schneier's Password: Part 2 250
Diffie-Hellman Static Client 100
Misc No Leaks 100
RSA Blinding Light 120
Misc Gotta Go Fast 40
RSA Signing Server 60
Mathematics Backpack Cryptography 120
Hash Functions Collider 50
Diffie-Hellman Additive 70
Crypto on the Web JSON in JSON 40
Crypto on the Web RSA or HMAC? 35
Crypto on the Web JWT Secrets 25
Crypto on the Web No Way JOSE 20
Symmetric Ciphers Symmetry 50
Mathematics Ellipse Curve Cryptography 125
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
Elliptic Curves Point Negation 10
Elliptic Curves Background Reading 5
Elliptic Curves Smooth Criminal 60
Hash Functions MD0 80
Elliptic Curves Efficient Exchange 50
Elliptic Curves Scalar Multiplication 35
Elliptic Curves Point Addition 30
Elliptic Curves Curves and Logs 40
Symmetric Ciphers CTRIME 70
Symmetric Ciphers Stream of Consciousness 80
Symmetric Ciphers Bean Counter 60
Symmetric Ciphers Triple DES 60
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers ECB Oracle 60
Symmetric Ciphers Flipping Cookie 60
Diffie-Hellman Export-grade 100
Symmetric Ciphers ECB CBC WTF 55
Symmetric Ciphers Passwords as Keys 50
Symmetric Ciphers Modes of Operation Starter 15
Diffie-Hellman Parameter Injection 60
Symmetric Ciphers Bringing It All Together 50
Symmetric Ciphers Diffusion through Permutation 30
Diffie-Hellman Diffie-Hellman Starter 5 40
Diffie-Hellman Diffie-Hellman Starter 4 30
Diffie-Hellman Diffie-Hellman Starter 3 20
Diffie-Hellman Diffie-Hellman Starter 2 20
Diffie-Hellman The Matrix 75
Diffie-Hellman Script Kiddie 70
Crypto on the Web JWT Sessions 10
Crypto on the Web Token Appreciation 5
Mathematics Modular Binomials 80
Mathematics Gaussian Reduction 50
Mathematics Cofactor Cofantasy 150
Mathematics What's a Lattice? 40
Mathematics Gram Schmidt 30
Mathematics Prime and Prejudice 200
Diffie-Hellman The Matrix Revolutions 125
Diffie-Hellman The Matrix Reloaded 100
General Transparency 50
Symmetric Ciphers Confusion through Substitution 25
Symmetric Ciphers Round Keys 20
Mathematics Size and Basis 15
Diffie-Hellman Diffie-Hellman Starter 1 10
Mathematics Vectors 10
Mathematics Find the Lattice 100
RSA Ron was Wrong, Whit is Right 90
RSA Inferius Prime 30
RSA Factoring 15
RSA Marin's Secrets 50
RSA RSA Backdoor Viability 175
RSA Fast Primes 75
RSA Infinite Descent 50
RSA Endless Emails 150
RSA Everything is Still Big 100
RSA Crossed Wires 100
RSA Everything is Big 70
RSA Modulus Inutilis 50
RSA Salty 20
RSA Manyprime 40
RSA Square Eyes 35
RSA Monoprime 30
RSA RSA Starter 6 25
RSA RSA Starter 5 20
RSA RSA Starter 4 20
RSA RSA Starter 3 20
RSA RSA Starter 2 15
RSA RSA Starter 1 10
Mathematics Unencryptable 125
Mathematics Broken RSA 100
Mathematics Successive Powers 60
General SSH Keys 35
General CERTainly not 30
Mathematics Adrien's Signs 80
Symmetric Ciphers Structure of AES 15
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
General Privacy-Enhanced Mail? 25
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Mathematics Quadratic Residues 25
General Modular Inverting 25
General Modular Arithmetic 2 20
General Modular Arithmetic 1 20
General Extended GCD 20
General Lemur XOR 40
General Encoding Challenge 40
Introduction Network Attacks 5
General Greatest Common Divisor 15
General You either know, XOR you don't 30
General Favourite byte 20
General XOR Properties 15
General XOR Starter 10
General Bytes and Big Integers 10
General Base64 10
General Hex 5
General ASCII 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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