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Solved Challenges

ZKPs OR Proof 75
ZKPs Too Honest 50
ZKPs Non-Interactive 35
ZKPs Honest Verifier Zero Knowledge 30
ZKPs Special Soundness 25
ZKPs Proofs of Knowledge 20
ZKPs ZKP Introduction 5
Mathematics Roll your Own 125
Mathematics Prime and Prejudice 200
Lattices Nativity 60
Lattices Noise Free 40
Lattices From Private to Public Key LWE 25
Lattices LWE Low Bits Message 20
Lattices LWE High Bits Message 15
Lattices LWE Intro 10
Lattices LWE Background 5
Crypto on the Web Megalomaniac 1 100
Crypto on the Web Decrypting TLS 1.3 35
Crypto on the Web Decrypting TLS 1.2 30
Crypto on the Web Saying Hello 20
Crypto on the Web TLS Handshake 15
Crypto on the Web Sharks on the Wire 10
Crypto on the Web Secure Protocols 5
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 Montgomery's Ladder 40
Elliptic Curves Edwards Goes Degenerate 100
Elliptic Curves No Random, No Bias 120
Elliptic Curves ProSign 3 100
Elliptic Curves Curveball 100
Elliptic Curves Digestive 60
Elliptic Curves Double and Broken 50
Elliptic Curves Moving Problems 150
Elliptic Curves Elliptic Nodes 150
Elliptic Curves Micro Transmissions 120
Elliptic Curves Exceptional Curves 100
Elliptic Curves Smooth Criminal 60
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
Diffie-Hellman The Matrix Reloaded 100
Diffie-Hellman The Matrix 75
Diffie-Hellman Script Kiddie 70
Diffie-Hellman Static Client 2 120
Diffie-Hellman Additive 70
Diffie-Hellman Static Client 100
Diffie-Hellman Export-grade 100
Diffie-Hellman Parameter Injection 60
RSA Vote for Pedro 150
RSA Blinding Light 120
RSA Null or Never 100
RSA Bespoke Padding 100
RSA Manyprime 40
RSA Let's Decrypt 80
RSA Signing Server 60
RSA Ron was Wrong, Whit is Right 90
RSA Fast Primes 75
RSA Endless Emails 150
RSA Everything is Still Big 100
RSA Infinite Descent 50
RSA Crossed Wires 100
RSA Everything is Big 70
RSA Modulus Inutilis 50
RSA Salty 20
Symmetric Ciphers Paper Plane 120
RSA Square Eyes 35
RSA Monoprime 30
RSA Inferius Prime 30
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
Diffie-Hellman Deriving Symmetric Keys 40
Diffie-Hellman Computing Shared Secrets 30
Diffie-Hellman Computing Public Values 25
Diffie-Hellman Generators of Groups 20
Diffie-Hellman Working with Fields 10
RSA RSA Signatures 25
Symmetric Ciphers Oh SNAP 120
Symmetric Ciphers Dancing Queen 120
Symmetric Ciphers Logon Zero 80
Symmetric Ciphers Triple DES 60
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers Passwords as Keys 50
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
General Transparency 50
General CERTainly not 30
General SSH Keys 35
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Mathematics Quadratic Residues 25
Mathematics Legendre Symbol 35
General Modular Inverting 25
General Modular Arithmetic 2 20
General Modular Arithmetic 1 20
General Extended GCD 20
Mathematics No Way Back Home 100
Mathematics Broken RSA 100
Lattices Backpack Cryptography 120
General Privacy-Enhanced Mail? 25
General Lemur XOR 40
General Encoding Challenge 40
General Bytes and Big Integers 10
Introduction Network Attacks 5
Introduction Great Snakes 3
Symmetric Ciphers Stream of Consciousness 80
Symmetric Ciphers CTRIME 70
Symmetric Ciphers Bean Counter 60
Symmetric Ciphers Symmetry 50
Symmetric Ciphers Keyed Permutations 5
RSA RSA Backdoor Viability 175
RSA Marin's Secrets 50
RSA Factoring 15
RSA RSA Decryption 20
RSA Private Keys 20
RSA Euler's Totient 20
RSA Public Keys 15
RSA Modular Exponentiation 10
Mathematics Modular Binomials 80
Mathematics Adrien's Signs 80
Mathematics Successive Powers 60
Lattices Find the Lattice 100
Lattices Gaussian Reduction 50
Lattices What's a Lattice? 40
Lattices Gram Schmidt 30
Lattices Size and Basis 15
Lattices Vectors 10
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers ECB Oracle 60
Symmetric Ciphers ECB CBC WTF 55
Symmetric Ciphers Modes of Operation Starter 15
General Greatest Common Divisor 15
General You either know, XOR you don't 30
General Hex 5
General Favourite byte 20
General XOR Properties 15
General XOR Starter 10
General ASCII 5
General Base64 10
Introduction Finding Flags 2

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