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Submitted Solutions

Real Curve Crypto 1
Real Eisenstein 3
CERTainly not 3
ProSign 3 1

Solved Challenges

Misc LFSR Destroyer 250
Hash Functions MDFlag 125
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
Elliptic Curves Real Curve Crypto 200
Symmetric Ciphers Beatboxer 150
Mathematics No Way Back Home 100
Crypto on the Web RSA or HMAC? Part 2 100
Elliptic Curves Double and Broken 50
Diffie-Hellman The Matrix Revolutions 125
Diffie-Hellman The Matrix Reloaded 100
Diffie-Hellman The Matrix 75
Hash Functions Hash Stuffing 50
Elliptic Curves Montgomery's Ladder 40
Symmetric Ciphers Dancing Queen 120
Mathematics Roll your Own 125
General SSH Keys 35
Misc Bruce Schneier's Password: Part 2 250
Hash Functions Invariant 250
Hash Functions Twin Keys 100
Hash Functions PriMeD5 100
Misc Jeff's LFSR 150
Misc L-Win 120
RSA Let's Decrypt Again 175
Hash Functions No Difference 175
Hash Functions Mixed Up 120
Misc Trust Games 150
Misc Bruce Schneier's Password 100
Elliptic Curves No Random, No Bias 120
Elliptic Curves Edwards Goes Degenerate 100
Symmetric Ciphers Oh SNAP 120
Symmetric Ciphers Logon Zero 80
RSA RSA Backdoor Viability 175
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
Mathematics Cofactor Cofantasy 150
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
General Transparency 50
RSA Let's Decrypt 80
Mathematics Ellipse Curve Cryptography 125
Symmetric Ciphers Forbidden Fruit 150
Symmetric Ciphers Triple DES 60
Misc Too Many Errors 100
Hash Functions MD0 80
Hash Functions Collider 50
Mathematics Unencryptable 125
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 Real Eisenstein 150
Symmetric Ciphers Paper Plane 120
Misc Nothing Up My Sleeve 150
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
Elliptic Curves Moving Problems 150
RSA Bespoke Padding 100
Mathematics Broken RSA 100
Mathematics Modular Square Root 35
Diffie-Hellman Static Client 2 120
Misc Lo-Hi Card Game 120
Mathematics Prime and Prejudice 200
Misc Toshi's Treasure 150
Elliptic Curves Elliptic Nodes 150
RSA Crossed Wires 100
Mathematics Legendre Symbol 35
Mathematics Quadratic Residues 25
General XOR Properties 15
RSA Fast Primes 75
Symmetric Ciphers CTRIME 70
RSA Endless Emails 150
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers Stream of Consciousness 80
Symmetric Ciphers Bean Counter 60
Symmetric Ciphers Symmetry 50
RSA Vote for Pedro 150
RSA Blinding Light 120
RSA Signing Server 60
RSA Null or Never 100
RSA Ron was Wrong, Whit is Right 90
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers ECB CBC WTF 55
Misc Armory 100
Misc Bit by Bit 100
Misc No Leaks 100
Misc Gotta Go Fast 40
Elliptic Curves ProSign 3 100
Elliptic Curves Curveball 100
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 Script Kiddie 70
Diffie-Hellman Additive 70
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
RSA Marin's Secrets 50
RSA Infinite Descent 50
RSA Everything is Still Big 100
RSA Everything is Big 70
RSA Modulus Inutilis 50
RSA Salty 20
RSA Manyprime 40
Symmetric Ciphers ECB Oracle 60
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
Symmetric Ciphers Passwords as Keys 50
Symmetric Ciphers Modes of Operation Starter 15
Mathematics Modular Binomials 80
General Encoding Challenge 40
Mathematics Successive Powers 60
Mathematics Adrien's Signs 80
General CERTainly not 30
General Privacy-Enhanced Mail? 25
Mathematics Chinese Remainder Theorem 40
General Modular Inverting 25
General Modular Arithmetic 2 20
General Modular Arithmetic 1 20
General Extended GCD 20
General Greatest Common Divisor 15
General Lemur XOR 40
General You either know, XOR you don't 30
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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