lethang29

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Submitted Solutions

Ron was Wrong, Whit is Right -3

Solved Challenges

Elliptic Curves Double and Broken 50
RSA Let's Decrypt Again 175
Post-Quantum LWE Background 5
Crypto on the Web Decrypting TLS 1.3 35
Crypto on the Web Decrypting TLS 1.2 30
Mathematics Cofactor Cofantasy 150
Mathematics Real Eisenstein 150
Mathematics Backpack Cryptography 120
Misc Bit by Bit 100
Misc Bruce Schneier's Password 100
Misc Armory 100
Mathematics Find the Lattice 100
Elliptic Curves Edwards Goes Degenerate 100
Elliptic Curves Montgomery's Ladder 40
Elliptic Curves ProSign 3 100
Elliptic Curves Curveball 100
Mathematics No Way Back Home 100
Crypto on the Web TLS Handshake 15
Crypto on the Web Saying Hello 20
Crypto on the Web Sharks on the Wire 10
Crypto on the Web Secure Protocols 5
Elliptic Curves Moving Problems 150
Elliptic Curves Elliptic Nodes 150
RSA Vote for Pedro 150
Misc Lo-Hi Card Game 120
Symmetric Ciphers Paper Plane 120
Symmetric Ciphers Logon Zero 80
Elliptic Curves Micro Transmissions 120
Crypto on the Web RSA or HMAC? Part 2 100
Crypto on the Web JSON in JSON 40
Crypto on the Web RSA or HMAC? 35
Mathematics Prime and Prejudice 200
Elliptic Curves Exceptional Curves 100
Crypto on the Web JWT Secrets 25
Hash Functions MD0 80
Diffie-Hellman The Matrix 75
Symmetric Ciphers Stream of Consciousness 80
RSA Let's Decrypt 80
RSA Blinding Light 120
Hash Functions PriMeD5 100
Hash Functions Twin Keys 100
Hash Functions Hash Stuffing 50
Hash Functions Collider 50
RSA Bespoke Padding 100
RSA Null or Never 100
Diffie-Hellman Static Client 2 120
Symmetric Ciphers Triple DES 60
Misc No Leaks 100
Elliptic Curves Smooth Criminal 60
Hash Functions Jack's Birthday Hash 20
Mathematics Broken RSA 100
Hash Functions Jack's Birthday Confusion 30
Mathematics Adrien's Signs 80
Mathematics Gaussian Reduction 50
Mathematics Gram Schmidt 30
Symmetric Ciphers CTRIME 70
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
Crypto on the Web No Way JOSE 20
Symmetric Ciphers Bean Counter 60
Mathematics What's a Lattice? 40
Mathematics Size and Basis 15
Mathematics Successive Powers 60
RSA RSA Backdoor Viability 175
RSA Ron was Wrong, Whit is Right 90
RSA Fast Primes 75
RSA Endless Emails 150
Elliptic Curves Background Reading 5
RSA Signing Server 60
Mathematics Modular Binomials 80
Mathematics Unencryptable 125
General SSH Keys 35
Misc Gotta Go Fast 40
Symmetric Ciphers Symmetry 50
Crypto on the Web JWT Sessions 10
Mathematics Vectors 10
RSA Marin's Secrets 50
RSA Infinite Descent 50
RSA Everything is Still Big 100
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
RSA Crossed Wires 100
RSA Everything is Big 70
RSA Modulus Inutilis 50
RSA Salty 20
RSA Manyprime 40
General Transparency 50
RSA Square Eyes 35
Crypto on the Web Token Appreciation 5
Diffie-Hellman Diffie-Hellman Starter 1 10
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Mathematics Quadratic Residues 25
General CERTainly not 30
General Privacy-Enhanced Mail? 25
RSA Monoprime 30
RSA Inferius Prime 30
General Modular Inverting 25
General Modular Arithmetic 2 20
General Modular Arithmetic 1 20
General Extended GCD 20
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers Flipping Cookie 60
General You either know, XOR you don't 30
General Lemur XOR 40
General Favourite byte 20
RSA Factoring 15
Symmetric Ciphers ECB CBC WTF 55
Symmetric Ciphers ECB Oracle 60
General Greatest Common Divisor 15
General Encoding Challenge 40
General XOR Properties 15
General XOR Starter 10
Symmetric Ciphers Passwords as Keys 50
Symmetric Ciphers Modes of Operation Starter 15
Symmetric Ciphers Bringing It All Together 50
General Bytes and Big Integers 10
General Base64 10
General Hex 5
General ASCII 5
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
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
Introduction Network Attacks 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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