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Solved Challenges

Misc Bruce Schneier's Password 100
Misc Toshi's Treasure 150
Mathematics Ellipse Curve Cryptography 125
Mathematics Real Eisenstein 150
Mathematics Cofactor Cofantasy 150
ZKPs Honest Verifier Zero Knowledge 30
ZKPs Proofs of Knowledge 20
ZKPs Special Soundness 25
ZKPs Too Honest 50
Mathematics No Way Back Home 100
Elliptic Curves Digestive 60
Elliptic Curves No Random, No Bias 120
Symmetric Ciphers Paper Plane 120
Elliptic Curves Moving Problems 150
Symmetric Ciphers Dancing Queen 120
Mathematics Unencryptable 125
Mathematics Roll your Own 125
Hash Functions Twin Keys 100
Hash Functions MD0 80
Hash Functions No Difference 175
Hash Functions PriMeD5 100
Hash Functions Mixed Up 120
Hash Functions MDFlag 125
RSA Blinding Light 120
Misc Nothing Up My Sleeve 150
Misc Lo-Hi Card Game 120
Misc Gotta Go Fast 40
Misc No Leaks 100
Misc Bit by Bit 100
Misc Armory 100
General Greatest Common Divisor 15
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
Lattices Gaussian Reduction 50
Lattices Gram Schmidt 30
Lattices What's a Lattice? 40
Lattices Size and Basis 15
Lattices Vectors 10
Mathematics Legendre Symbol 35
Mathematics Successive Powers 60
Mathematics Modular Square Root 35
Lattices Find the Lattice 100
Mathematics Chinese Remainder Theorem 40
Crypto on the Web JWT Secrets 25
Crypto on the Web JWT Sessions 10
Crypto on the Web No Way JOSE 20
Crypto on the Web Token Appreciation 5
RSA Let's Decrypt 80
RSA Signing Server 60
RSA Null or Never 100
RSA Bespoke Padding 100
RSA RSA Backdoor Viability 175
RSA Ron was Wrong, Whit is Right 90
RSA Marin's Secrets 50
RSA Infinite Descent 50
RSA Endless Emails 150
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 Signatures 25
RSA RSA Decryption 20
RSA Private Keys 20
RSA Euler's Totient 20
RSA Public Keys 15
RSA Modular Exponentiation 10
RSA Let's Decrypt Again 175
RSA Vote for Pedro 150
Symmetric Ciphers Stream of Consciousness 80
Symmetric Ciphers Logon Zero 80
Symmetric Ciphers CTRIME 70
Symmetric Ciphers Bean Counter 60
Symmetric Ciphers Symmetry 50
Symmetric Ciphers Triple DES 60
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers ECB Oracle 60
Symmetric Ciphers Passwords as Keys 50
Symmetric Ciphers Modes of Operation Starter 15
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 Micro Transmissions 120
Elliptic Curves Exceptional Curves 100
Elliptic Curves Smooth Criminal 60
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
Diffie-Hellman Working with Fields 10
Diffie-Hellman Computing Public Values 25
Diffie-Hellman Computing Shared Secrets 30
Diffie-Hellman Deriving Symmetric Keys 40
Diffie-Hellman Generators of Groups 20
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

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