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Solved Challenges

Elliptic Curves Edwards Goes Degenerate 100
Misc Toshi's Treasure 150
Hash Functions PriMeD5 100
Hash Functions Invariant 250
Symmetric Ciphers Beatboxer 150
Elliptic Curves Real Curve Crypto 200
Mathematics Ellipse Curve Cryptography 125
Mathematics Roll your Own 125
Misc RSA vs RNG 150
Misc LFSR Destroyer 250
Diffie-Hellman The Matrix Revolutions 125
Misc Bit by Bit 100
Post-Quantum LWE Intro 10
Post-Quantum Missing Modulus 80
Elliptic Curves No Random, No Bias 120
Elliptic Curves ProSign 3 100
Elliptic Curves Curveball 100
Elliptic Curves Digestive 60
Hash Functions Mixed Up 120
Hash Functions MDFlag 125
Hash Functions MD0 80
Hash Functions No Difference 175
Hash Functions Hash Stuffing 50
Hash Functions Collider 50
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
Mathematics Cofactor Cofantasy 150
Misc Jeff's LFSR 150
Misc Trust Games 150
Misc Nothing Up My Sleeve 150
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
Symmetric Ciphers Modes of Operation Starter 15
Post-Quantum Too Many Errors 100
Post-Quantum Noise Cheap 90
Post-Quantum Nativity 60
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
General CERTainly not 30
General Privacy-Enhanced Mail? 25
RSA RSA Backdoor Viability 175
RSA Ron was Wrong, Whit is Right 90
RSA Endless Emails 150
RSA Vote for Pedro 150
Misc Bruce Schneier's Password 100
Misc Armory 100
Mathematics Prime and Prejudice 200
Misc Lo-Hi Card Game 120
Mathematics Real Eisenstein 150
Misc No Leaks 100
Misc Gotta Go Fast 40
Misc L-Win 120
Mathematics Unencryptable 125
General Lemur XOR 40
RSA Let's Decrypt Again 175
RSA Blinding Light 120
RSA Let's Decrypt 80
RSA Signing Server 60
RSA Bespoke Padding 100
RSA Null or Never 100
RSA Fast Primes 75
Diffie-Hellman The Matrix Reloaded 100
Post-Quantum LWE Background 5
Diffie-Hellman The Matrix 75
Diffie-Hellman Script Kiddie 70
Diffie-Hellman Additive 70
Diffie-Hellman Static Client 2 120
Diffie-Hellman Static Client 100
Diffie-Hellman Export-grade 100
Diffie-Hellman Parameter Injection 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
Mathematics Modular Binomials 80
RSA Marin's Secrets 50
RSA Infinite Descent 50
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 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
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
Introduction Network Attacks 5
General Modular Inverting 25
General Modular Arithmetic 2 20
General Modular Arithmetic 1 20
General Extended GCD 20
General Greatest Common Divisor 15
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Mathematics No Way Back Home 100
Mathematics Broken RSA 100
Mathematics Adrien's Signs 80
Mathematics Successive Powers 60
Mathematics Backpack Cryptography 120
Mathematics Find the Lattice 100
Mathematics Gaussian Reduction 50
Mathematics What's a Lattice? 40
Mathematics Gram Schmidt 30
Mathematics Size and Basis 15
Mathematics Vectors 10
Mathematics Quadratic Residues 25
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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