mathysEthical

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Solved Challenges

Symmetric Ciphers Stream of Consciousness 80
Hash Functions PriMeD5 100
Symmetric Ciphers CTRIME 70
Elliptic Curves Elliptic Nodes 150
Elliptic Curves Micro Transmissions 120
Misc RSA vs RNG 150
Misc Lo-Hi Card Game 120
RSA Blinding Light 120
RSA Let's Decrypt 80
RSA RSA Backdoor Viability 175
RSA Ron was Wrong, Whit is Right 90
RSA Fast Primes 75
Hash Functions Mixed Up 120
Misc Armory 100
Post-Quantum Too Many Errors 100
Post-Quantum Noise Free 40
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
Crypto on the Web Decrypting TLS 1.2 30
Crypto on the Web Saying Hello 20
Mathematics No Way Back Home 100
Elliptic Curves Exceptional Curves 100
Elliptic Curves Curveball 100
Elliptic Curves Smooth Criminal 60
Symmetric Ciphers Triple DES 60
Symmetric Ciphers Bean Counter 60
Hash Functions Hash Stuffing 50
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers ECB Oracle 60
Symmetric Ciphers Bringing It All Together 50
Symmetric Ciphers Diffusion through Permutation 30
Mathematics Unencryptable 125
Mathematics Prime and Prejudice 200
Mathematics Broken RSA 100
General Encoding Challenge 40
Mathematics Gaussian Reduction 50
Mathematics What's a Lattice? 40
Mathematics Gram Schmidt 30
Crypto on the Web RSA or HMAC? 35
Symmetric Ciphers Symmetry 50
Symmetric Ciphers ECB CBC WTF 55
Symmetric Ciphers Passwords as Keys 50
Mathematics Modular Binomials 80
Misc Bruce Schneier's Password 100
RSA Signing Server 60
RSA Null or Never 100
RSA Bespoke Padding 100
RSA Endless Emails 150
RSA Everything is Still Big 100
RSA Crossed Wires 100
RSA Everything is Big 70
RSA Manyprime 40
Mathematics Successive Powers 60
Hash Functions Collider 50
Hash Functions MD0 80
Mathematics Adrien's Signs 80
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Diffie-Hellman Script Kiddie 70
General Transparency 50
General SSH Keys 35
General CERTainly not 30
Post-Quantum LWE Background 5
Elliptic Curves Montgomery's Ladder 40
Elliptic Curves Efficient Exchange 50
Elliptic Curves Curves and Logs 40
Elliptic Curves Scalar Multiplication 35
Diffie-Hellman Additive 70
Hash Functions Jack's Birthday Hash 20
Hash Functions Jack's Birthday Confusion 30
Mathematics Vectors 10
Mathematics Size and Basis 15
Misc No Leaks 100
Diffie-Hellman Static Client 100
Diffie-Hellman Export-grade 100
Diffie-Hellman Parameter Injection 60
Crypto on the Web TLS Handshake 15
Crypto on the Web JSON in JSON 40
Crypto on the Web JWT Secrets 25
Crypto on the Web No Way JOSE 20
Misc Gotta Go Fast 40
Symmetric Ciphers Confusion through Substitution 25
Symmetric Ciphers Round Keys 20
Symmetric Ciphers Structure of AES 15
Elliptic Curves Point Addition 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
Mathematics Quadratic Residues 25
General Lemur XOR 40
Symmetric Ciphers Modes of Operation Starter 15
General Privacy-Enhanced Mail? 25
Mathematics Chinese Remainder Theorem 40
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
General Modular Inverting 25
General You either know, XOR you don't 30
General Favourite byte 20
Diffie-Hellman Diffie-Hellman Starter 1 10
Introduction Network Attacks 5
Introduction Great Snakes 3
Introduction Finding Flags 2
Crypto on the Web Sharks on the Wire 10
Crypto on the Web Secure Protocols 5
Crypto on the Web Token Appreciation 5
Crypto on the Web JWT Sessions 10
RSA Marin's Secrets 50
RSA Infinite Descent 50
RSA Modulus Inutilis 50
RSA Salty 20
RSA Square Eyes 35
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
General XOR Properties 15
General XOR Starter 10
General Bytes and Big Integers 10
General Base64 10
General Hex 5
General ASCII 5
Elliptic Curves Point Negation 10
Elliptic Curves Background Reading 5
General Modular Arithmetic 2 20
General Modular Arithmetic 1 20
General Extended GCD 20
General Greatest Common Divisor 15

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