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Hash Functions Invariant 250
Misc Jeff's LFSR 150
Mathematics Roll your Own 125
Hash Functions MDFlag 125
Misc Trust Games 150
Misc Nothing Up My Sleeve 150
Mathematics Ellipse Curve Cryptography 125
Mathematics Cofactor Cofantasy 150
Mathematics Real Eisenstein 150
Misc Toshi's Treasure 150
Symmetric Ciphers Oh SNAP 120
Symmetric Ciphers Forbidden Fruit 150
Symmetric Ciphers Dancing Queen 120
Misc Lo-Hi Card Game 120
Elliptic Curves Micro Transmissions 120
Elliptic Curves No Random, No Bias 120
Mathematics Backpack Cryptography 120
Misc Too Many Errors 100
Elliptic Curves Elliptic Nodes 150
Misc Bit by Bit 100
Mathematics Find the Lattice 100
Diffie-Hellman The Matrix Reloaded 100
Mathematics Unencryptable 125
Diffie-Hellman Static Client 2 120
Diffie-Hellman Static Client 100
Elliptic Curves Moving Problems 150
Mathematics Prime and Prejudice 200
RSA RSA Backdoor Viability 175
Misc Bruce Schneier's Password 100
RSA Vote for Pedro 150
RSA Null or Never 100
Symmetric Ciphers Paper Plane 120
Diffie-Hellman The Matrix 75
Elliptic Curves Edwards Goes Degenerate 100
Misc L-Win 120
Mathematics No Way Back Home 100
Misc Armory 100
RSA Let's Decrypt 80
Elliptic Curves Double and Broken 50
Elliptic Curves Montgomery's Ladder 40
Hash Functions Twin Keys 100
Hash Functions No Difference 175
Crypto on the Web RSA or HMAC? Part 2 100
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
Hash Functions Mixed Up 120
Hash Functions PriMeD5 100
Hash Functions Hash Stuffing 50
Symmetric Ciphers Logon Zero 80
Mathematics Modular Binomials 80
RSA Bespoke Padding 100
Hash Functions MD0 80
Symmetric Ciphers Triple DES 60
Elliptic Curves ProSign 3 100
Elliptic Curves Curveball 100
Elliptic Curves Exceptional Curves 100
Elliptic Curves Smooth Criminal 60
Hash Functions Collider 50
Symmetric Ciphers Stream of Consciousness 80
Symmetric Ciphers CTRIME 70
Crypto on the Web JSON in JSON 40
Mathematics Gaussian Reduction 50
Mathematics Successive Powers 60
Mathematics Adrien's Signs 80
Mathematics Broken RSA 100
Diffie-Hellman Script Kiddie 70
Diffie-Hellman Additive 70
Misc No Leaks 100
RSA Blinding Light 120
RSA Signing Server 60
Mathematics Gram Schmidt 30
Crypto on the Web RSA or HMAC? 35
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
Misc Gotta Go Fast 40
Crypto on the Web JWT Secrets 25
Elliptic Curves Efficient Exchange 50
Elliptic Curves Curves and Logs 40
Elliptic Curves Scalar Multiplication 35
Elliptic Curves Point Addition 30
Symmetric Ciphers Bean Counter 60
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers Symmetry 50
Diffie-Hellman Export-grade 100
Diffie-Hellman Parameter Injection 60
RSA Ron was Wrong, Whit is Right 90
RSA Fast Primes 75
RSA Endless Emails 150
RSA Everything is Still Big 100
RSA Marin's Secrets 50
RSA Infinite Descent 50
Symmetric Ciphers Flipping Cookie 60
RSA Crossed Wires 100
Crypto on the Web No Way JOSE 20
Symmetric Ciphers ECB CBC WTF 55
Elliptic Curves Point Negation 10
Mathematics What's a Lattice? 40
Symmetric Ciphers ECB Oracle 60
Diffie-Hellman Diffie-Hellman Starter 5 40
Symmetric Ciphers Bringing It All Together 50
General SSH Keys 35
RSA Everything is Big 70
Crypto on the Web JWT Sessions 10
Symmetric Ciphers Passwords as Keys 50
Diffie-Hellman Diffie-Hellman Starter 4 30
Elliptic Curves Background Reading 5
Diffie-Hellman Diffie-Hellman Starter 2 20
Diffie-Hellman Diffie-Hellman Starter 3 20
Mathematics Size and Basis 15
RSA Modulus Inutilis 50
RSA Square Eyes 35
Mathematics Vectors 10
Symmetric Ciphers Diffusion through Permutation 30
Crypto on the Web Token Appreciation 5
RSA Manyprime 40
General Transparency 50
RSA Salty 20
RSA Inferius Prime 30
Diffie-Hellman Diffie-Hellman Starter 1 10
Symmetric Ciphers Confusion through Substitution 25
Symmetric Ciphers Modes of Operation Starter 15
RSA Monoprime 30
Mathematics Modular Square Root 35
Symmetric Ciphers Round Keys 20
RSA RSA Starter 6 25
RSA Factoring 15
Symmetric Ciphers Structure of AES 15
Mathematics Chinese Remainder Theorem 40
Mathematics Legendre Symbol 35
General CERTainly not 30
General Privacy-Enhanced Mail? 25
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
Mathematics Quadratic Residues 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 Lemur XOR 40
General Modular Inverting 25
General Modular Arithmetic 2 20
General Encoding Challenge 40
General Extended GCD 20
General Modular Arithmetic 1 20
General You either know, XOR you don't 30
General Greatest Common Divisor 15
General XOR Properties 15
General Favourite byte 20
General XOR Starter 10
General Bytes and Big Integers 10
General Base64 10
General Hex 5
General ASCII 5
Introduction Network Attacks 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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