kropotkin69

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Submitted Solutions

The Matrix 0
Jeff's LFSR 1
Additive 0
Bruce Schneier's Password 0

Solved Challenges

Elliptic Curves Double and Broken 50
Misc Bit by Bit 100
Misc Trust Games 150
Hash Functions Mixed Up 120
Symmetric Ciphers Triple DES 60
RSA Let's Decrypt 80
RSA Bespoke Padding 100
RSA Null or Never 100
RSA Everything is Still Big 100
RSA Vote for Pedro 150
Diffie-Hellman The Matrix 75
RSA RSA Backdoor Viability 175
RSA Ron was Wrong, Whit is Right 90
Diffie-Hellman Additive 70
Misc Jeff's LFSR 150
Misc L-Win 120
Diffie-Hellman Static Client 100
Hash Functions MD0 80
Elliptic Curves Curveball 100
Elliptic Curves Smooth Criminal 60
Elliptic Curves Montgomery's Ladder 40
Diffie-Hellman Export-grade 100
Mathematics Modular Binomials 80
Misc Armory 100
Symmetric Ciphers CTRIME 70
Hash Functions Hash Stuffing 50
Misc Nothing Up My Sleeve 150
Misc Lo-Hi Card Game 120
RSA Blinding Light 120
RSA Signing Server 60
Symmetric Ciphers Dancing Queen 120
Crypto on the Web RSA or HMAC? Part 2 100
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
Crypto on the Web JWT Sessions 10
Crypto on the Web Token Appreciation 5
Elliptic Curves Efficient Exchange 50
Elliptic Curves Curves and Logs 40
Elliptic Curves Scalar Multiplication 35
Elliptic Curves Point Addition 30
Elliptic Curves Point Negation 10
Mathematics Backpack Cryptography 120
Mathematics Find the Lattice 100
RSA Fast Primes 75
RSA Marin's Secrets 50
RSA Infinite Descent 50
RSA Endless Emails 150
RSA Crossed Wires 100
RSA Everything is Big 70
RSA Square Eyes 35
Diffie-Hellman Parameter Injection 60
Symmetric Ciphers Bean Counter 60
Symmetric Ciphers Stream of Consciousness 80
Mathematics Successive Powers 60
Mathematics Prime and Prejudice 200
Mathematics Unencryptable 125
Misc Bruce Schneier's Password 100
Misc No Leaks 100
Misc Gotta Go Fast 40
Hash Functions Collider 50
RSA Modulus Inutilis 50
RSA Salty 20
Symmetric Ciphers Logon Zero 80
Symmetric Ciphers Symmetry 50
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers Flipping Cookie 60
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 Diffie-Hellman Starter 1 10
Symmetric Ciphers ECB Oracle 60
RSA Manyprime 40
RSA Monoprime 30
RSA Inferius Prime 30
RSA Factoring 15
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
Diffie-Hellman Script Kiddie 70
Elliptic Curves Background Reading 5
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
Symmetric Ciphers ECB CBC WTF 55
Symmetric Ciphers Passwords as Keys 50
Symmetric Ciphers Modes of Operation Starter 15
Mathematics Adrien's Signs 80
Symmetric Ciphers Bringing It All Together 50
Symmetric Ciphers Diffusion through Permutation 30
Symmetric Ciphers Confusion through Substitution 25
Symmetric Ciphers Round Keys 20
Symmetric Ciphers Structure of AES 15
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
Mathematics Gaussian Reduction 50
Mathematics What's a Lattice? 40
Mathematics Gram Schmidt 30
Mathematics Size and Basis 15
Mathematics Vectors 10
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Mathematics Quadratic Residues 25
General Transparency 50
General SSH Keys 35
General CERTainly not 30
General Privacy-Enhanced Mail? 25
General Modular Inverting 25
General Modular Arithmetic 2 20
General Modular Arithmetic 1 20
General Extended GCD 20
General Greatest Common Divisor 15
General Lemur XOR 40
General Encoding Challenge 40
Introduction Network Attacks 5
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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