rkvl

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Submitted Solutions

From Private to Public Key LWE -1

Solved Challenges

ZKPs Special Soundness 25
Isogenies Where's the Supersingular Curve 25
Isogenies The j-invariant 20
ZKPs Proofs of Knowledge 20
ZKPs ZKP Introduction 5
Isogenies Introduction to Isogenies 10
RSA Fast Primes 75
Elliptic Curves Double and Broken 50
Misc RSA vs RNG 150
Symmetric Ciphers Logon Zero 80
Misc Armory 100
Diffie-Hellman Script Kiddie 70
Hash Functions Twin Keys 100
Symmetric Ciphers CTRIME 70
Mathematics No Way Back Home 100
Hash Functions MD0 80
Symmetric Ciphers Triple DES 60
Elliptic Curves ProSign 3 100
Misc Bruce Schneier's Password 100
Hash Functions Jack's Birthday Confusion 30
Crypto on the Web RSA or HMAC? Part 2 100
Crypto on the Web RSA or HMAC? 35
Crypto on the Web Authenticated Handshake 40
Elliptic Curves Exceptional Curves 100
Symmetric Ciphers Lazy CBC 60
Lattices Gaussian Reduction 50
Lattices What's a Lattice? 40
Diffie-Hellman Static Client 2 120
Lattices Gram Schmidt 30
General CERTainly not 30
General Privacy-Enhanced Mail? 25
General SSH Keys 35
Elliptic Curves Curveball 100
Symmetric Ciphers Bean Counter 60
Diffie-Hellman Export-grade 100
Elliptic Curves Digestive 60
Crypto on the Web JSON in JSON 40
Diffie-Hellman Additive 70
Diffie-Hellman Parameter Injection 60
Diffie-Hellman Deriving Symmetric Keys 40
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers ECB CBC WTF 55
Misc No Leaks 100
Misc Bit by Bit 100
Lattices From Private to Public Key LWE 25
Lattices LWE Low Bits Message 20
Lattices LWE High Bits Message 15
Lattices LWE Intro 10
General Transparency 50
Hash Functions Collider 50
Symmetric Ciphers Symmetry 50
Mathematics Ellipse Curve Cryptography 125
RSA Signing Server 60
Lattices Size and Basis 15
Lattices Vectors 10
Mathematics Broken RSA 100
Mathematics Successive Powers 60
Misc Gotta Go Fast 40
RSA Crossed Wires 100
RSA Everything is Still Big 100
RSA Everything is Big 70
RSA Marin's Secrets 50
RSA Infinite Descent 50
Hash Functions Hash Stuffing 50
Crypto on the Web Decrypting TLS 1.3 35
Crypto on the Web Decrypting TLS 1.2 30
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 JWT Secrets 25
RSA Inferius Prime 30
RSA Square Eyes 35
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
Mathematics Modular Binomials 80
Mathematics Adrien's Signs 80
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Symmetric Ciphers Diffusion through Permutation 30
Symmetric Ciphers Confusion through Substitution 25
Symmetric Ciphers Round Keys 20
Symmetric Ciphers Structure of AES 15
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
Lattices LWE Background 5
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
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
Hash Functions Jack's Birthday Hash 20
Crypto on the Web Secure Protocols 5
Crypto on the Web No Way JOSE 20
Crypto on the Web JWT Sessions 10
Crypto on the Web Token Appreciation 5
General Lemur XOR 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 You either know, XOR you don't 30
General Favourite byte 20
General XOR Properties 15
Mathematics Quadratic Residues 25
General XOR Starter 10
General Encoding Challenge 40
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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