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Solved Challenges

Misc Jeff's LFSR 150
Misc Bit by Bit 100
Misc L-Win 120
Misc Armory 100
ZKPs Pairing-Based Cryptography 50
Misc RSA vs RNG 150
ZKPs ZKP Introduction 5
Isogenies Abelian SIDH 90
Isogenies Dual Masters 90
Isogenies Secret Exponents 60
Isogenies CSIDH Key Exchange 90
Isogenies Twisted CSIDH Isogenies 70
Isogenies What's My Kernel 70
Isogenies Prime Power Isogenies 50
Isogenies Special Isogenies 30
Isogenies Composite Isogenies 60
Isogenies SIDH Key Exchange 80
Isogenies Three Isogenies 35
Isogenies DLOG on the Surface 40
Isogenies Montgomery Curves 30
Isogenies Two Isogenies 30
Isogenies Image Point Arithmetic 30
Isogenies Where's the Supersingular Curve 25
Lattices Bounded Noise 50
Isogenies The j-invariant 20
Isogenies Introduction to Isogenies 10
Lattices Nativity 60
Lattices LWE Low Bits Message 20
Lattices From Private to Public Key LWE 25
Lattices LWE Intro 10
Lattices LWE Background 5
Lattices LWE High Bits Message 15
Lattices Gaussian Reduction 50
Lattices Backpack Cryptography 120
Lattices What's a Lattice? 40
Lattices Find the Lattice 100
Lattices Size and Basis 15
Lattices Vectors 10
Crypto on the Web Decrypting TLS 1.3 35
Crypto on the Web Authenticated Handshake 40
Lattices Gram Schmidt 30
Crypto on the Web Decrypting TLS 1.2 30
Crypto on the Web TLS Handshake 15
Crypto on the Web Secure Protocols 5
Crypto on the Web Sharks on the Wire 10
Crypto on the Web Saying Hello 20
Crypto on the Web RSA or HMAC? Part 2 100
Crypto on the Web JWT Secrets 25
Crypto on the Web JSON in JSON 40
Crypto on the Web RSA or HMAC? 35
Crypto on the Web No Way JOSE 20
Crypto on the Web JWT Sessions 10
Elliptic Curves Edwards Goes Degenerate 100
Hash Functions WOTS Up 75
Hash Functions WOTS Up 2 90
Crypto on the Web Token Appreciation 5
Hash Functions Jack's Birthday Hash 20
Elliptic Curves Double and Broken 50
Hash Functions Merkle Trees 25
Hash Functions Jack's Birthday Confusion 30
Elliptic Curves Real Curve Crypto 200
Elliptic Curves Elliptic Nodes 150
Elliptic Curves Micro Transmissions 120
Elliptic Curves No Random, No Bias 120
Elliptic Curves Digestive 60
Elliptic Curves Exceptional Curves 100
Diffie-Hellman The Matrix Revolutions 125
Diffie-Hellman The Matrix 75
RSA Null or Never 100
Diffie-Hellman Script Kiddie 70
RSA Ron was Wrong, Whit is Right 90
RSA Infinite Descent 50
RSA Marin's Secrets 50
RSA Everything is Still Big 100
RSA Endless Emails 150
RSA Everything is Big 70
RSA Crossed Wires 100
RSA Square Eyes 35
Mathematics Unencryptable 125
RSA Inferius Prime 30
Mathematics Real Eisenstein 150
Mathematics Ellipse Curve Cryptography 125
Mathematics No Way Back Home 100
Symmetric Ciphers CTRIME 70
Symmetric Ciphers Forbidden Fruit 150
Mathematics Broken RSA 100
Mathematics Successive Powers 60
Mathematics Common Ground 75
Symmetric Ciphers Paper Plane 120
Symmetric Ciphers Stream of Consciousness 80
Symmetric Ciphers Oh SNAP 120
Symmetric Ciphers Dancing Queen 120
Symmetric Ciphers Triple DES 60
Symmetric Ciphers Lazy CBC 60
General Transparency 50
General SSH Keys 35
General CERTainly not 30
General Privacy-Enhanced Mail? 25
General Lemur XOR 40
Elliptic Curves Moving Problems 150
Elliptic Curves Smooth Criminal 60
Elliptic Curves Montgomery's Ladder 40
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 Deriving Symmetric Keys 40
Diffie-Hellman Computing Shared Secrets 30
Diffie-Hellman Computing Public Values 25
Diffie-Hellman Generators of Groups 20
Diffie-Hellman Working with Fields 10
RSA Modulus Inutilis 50
RSA Salty 20
RSA Manyprime 40
RSA Monoprime 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
Symmetric Ciphers Bean Counter 60
Symmetric Ciphers Symmetry 50
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers ECB CBC WTF 55
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
Mathematics Modular Binomials 80
Mathematics Adrien's Signs 80
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
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 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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