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Submitted Solutions

ProSign 3 2
MD0 1

Solved Challenges

Crypto on the Web JSON in JSON 40
Block Ciphers Logon Zero 80
Misc No Difference 175
Mathematics Jack's Birthday Confusion 30
Mathematics Jack's Birthday Hash 20
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 No Random, No Bias 120
RSA Let's Decrypt 80
Mathematics Real Eisenstein 150
Diffie-Hellman Static Client 2 120
Elliptic Curves Moving Problems 150
RSA Vote for Pedro 150
Mathematics Unencryptable 125
Mathematics Backpack Cryptography 120
Mathematics Find the Lattice 100
RSA Null or Never 100
Misc Bit by Bit 100
Mathematics Modular Binomials 80
Elliptic Curves Micro Transmissions 120
Elliptic Curves Elliptic Nodes 150
Elliptic Curves Exceptional Curves 100
Mathematics Prime and Prejudice 200
Elliptic Curves ProSign 3 100
Block Ciphers Forbidden Fruit 150
Misc Nothing Up My Sleeve 150
Misc Too Many Errors 100
Misc Toshi's Treasure 150
Misc Armory 100
Mathematics Gram Schmidt 30
Misc Lo-Hi Card Game 120
RSA Bespoke Padding 100
RSA Everything is Still Big 100
Block Ciphers Triple DES 60
Misc MD0 80
Diffie-Hellman Export-grade 100
Diffie-Hellman Additive 70
Diffie-Hellman Static Client 100
Mathematics What's a Lattice? 40
Mathematics Gaussian Reduction 50
Elliptic Curves Curveball 100
Diffie-Hellman Script Kiddie 70
RSA Endless Emails 150
Elliptic Curves Smooth Criminal 60
RSA Ron was Wrong, Whit is Right 90
Mathematics Size and Basis 15
Mathematics Vectors 10
RSA Fast Primes 75
Mathematics Adrien's Signs 80
Misc Collider 50
Block Ciphers Paper Plane 120
RSA Infinite Descent 50
General CERTainly not 30
Diffie-Hellman Diffie-Hellman Starter 2 20
RSA RSA Starter 6 25
RSA Blinding Light 120
RSA Signing Server 60
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 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
Mathematics Broken RSA 100
Mathematics Modular Square Root 35
RSA Marin's Secrets 50
RSA Crossed Wires 100
RSA Everything is Big 70
RSA Modulus Inutilis 50
RSA Manyprime 40
RSA Salty 20
RSA Square Eyes 35
Misc No Leaks 100
Misc Gotta Go Fast 40
Block Ciphers Bringing It All Together 50
Block Ciphers Diffusion through Permutation 30
Block Ciphers Confusion through Substitution 25
Block Ciphers Round Keys 20
Block Ciphers Structure of AES 15
Block Ciphers Resisting Bruteforce 10
Block Ciphers Keyed Permutations 5
RSA Monoprime 30
RSA Inferius Prime 30
RSA Factoring 15
Block Ciphers Stream of Consciousness 80
Block Ciphers CTRIME 70
Block Ciphers Bean Counter 60
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
Mathematics Successive Powers 60
General Privacy-Enhanced Mail? 25
Mathematics Chinese Remainder Theorem 40
Mathematics Legendre Symbol 35
Mathematics Quadratic Residues 25
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 Properties 15
General XOR Starter 10
General Encoding Challenge 40
General Bytes and Big Integers 10
General Base64 10
General Hex 5
General ASCII 5
Block Ciphers Symmetry 50
Block Ciphers Lazy CBC 60
Block Ciphers Flipping Cookie 60
Block Ciphers ECB CBC WTF 55
Block Ciphers ECB Oracle 60
Block Ciphers Passwords as Keys 50
Block Ciphers Block Cipher Mode Starter 15
Introduction Network Attacks 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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