RvSupTo

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Solved Challenges

Misc Bit by Bit 100
Hash Functions Collider 50
Misc Jeff's LFSR 150
Misc L-Win 120
Crypto on the Web No Way JOSE 20
Crypto on the Web JWT Sessions 10
Symmetric Ciphers Stream of Consciousness 80
Symmetric Ciphers CTRIME 70
Mathematics Cofactor Cofantasy 150
Mathematics No Way Back Home 100
Symmetric Ciphers Triple DES 60
Symmetric Ciphers Lazy CBC 60
Mathematics Prime and Prejudice 200
Post-Quantum From Private to Public Key LWE 25
Post-Quantum LWE Low Bits Message 20
Post-Quantum LWE High Bits Message 15
Post-Quantum LWE Intro 10
Post-Quantum LWE Background 5
Elliptic Curves Moving Problems 150
Elliptic Curves Exceptional Curves 100
Elliptic Curves ProSign 3 100
Elliptic Curves Curveball 100
General Transparency 50
General CERTainly not 30
Mathematics Unencryptable 125
RSA Fast Primes 75
Diffie-Hellman Script Kiddie 70
Diffie-Hellman Additive 70
Diffie-Hellman Static Client 100
General SSH Keys 35
RSA Endless Emails 150
RSA Everything is Still Big 100
RSA Crossed Wires 100
RSA Signing Server 60
Mathematics Find the Lattice 100
Mathematics Gaussian Reduction 50
Mathematics What's a Lattice? 40
Misc Gotta Go Fast 40
Mathematics Gram Schmidt 30
Mathematics Size and Basis 15
Mathematics Vectors 10
RSA Marin's Secrets 50
Crypto on the Web Token Appreciation 5
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
Mathematics Broken RSA 100
Mathematics Successive Powers 60
Elliptic Curves Smooth Criminal 60
Elliptic Curves Montgomery's Ladder 40
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
Elliptic Curves Background Reading 5
RSA Infinite Descent 50
RSA Everything is Big 70
RSA Square Eyes 35
RSA Inferius Prime 30
Diffie-Hellman Export-grade 100
Diffie-Hellman Parameter Injection 60
Diffie-Hellman Diffie-Hellman Starter 2 20
Diffie-Hellman Diffie-Hellman Starter 1 10
RSA Modulus Inutilis 50
RSA Salty 20
RSA Manyprime 40
RSA Monoprime 30
RSA Factoring 15
RSA RSA Starter 6 25
Symmetric Ciphers Bean Counter 60
Symmetric Ciphers Symmetry 50
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers ECB CBC WTF 55
Symmetric Ciphers ECB Oracle 60
Symmetric Ciphers Passwords as Keys 50
Symmetric Ciphers Modes of Operation Starter 15
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
General Privacy-Enhanced Mail? 25
Mathematics Modular Binomials 80
Mathematics Adrien's Signs 80
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 Greatest Common Divisor 15
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 Diffie-Hellman Starter 5 40
Diffie-Hellman Diffie-Hellman Starter 4 30
Diffie-Hellman Diffie-Hellman Starter 3 20
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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