HappyHacker22

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Submitted Solutions

Modular Inverting 0

Solved Challenges

Symmetric Ciphers Logon Zero 80
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 RSA or HMAC? Part 2 100
Crypto on the Web JSON in JSON 40
Crypto on the Web RSA or HMAC? 35
Mathematics Ellipse Curve Cryptography 125
Mathematics Cofactor Cofantasy 150
Mathematics Real Eisenstein 150
Mathematics Roll your Own 125
Mathematics Unencryptable 125
Mathematics No Way Back Home 100
Mathematics Prime and Prejudice 200
RSA Blinding Light 120
Mathematics Backpack Cryptography 120
Crypto on the Web Secure Protocols 5
RSA RSA Backdoor Viability 175
Hash Functions MD0 80
Hash Functions PriMeD5 100
RSA Ron was Wrong, Whit is Right 90
Misc No Leaks 100
Misc Gotta Go Fast 40
Diffie-Hellman Export-grade 100
RSA Let's Decrypt 80
RSA Signing Server 60
RSA Null or Never 100
RSA Bespoke Padding 100
Symmetric Ciphers Symmetry 50
RSA Fast Primes 75
Elliptic Curves Exceptional Curves 100
Hash Functions Hash Stuffing 50
RSA Marin's Secrets 50
RSA Infinite Descent 50
RSA Endless Emails 150
Crypto on the Web JWT Secrets 25
Hash Functions Collider 50
Hash Functions Jack's Birthday Confusion 30
Elliptic Curves Smooth Criminal 60
Elliptic Curves Montgomery's Ladder 40
Diffie-Hellman Parameter Injection 60
RSA Crossed Wires 100
RSA Everything is Big 70
RSA Everything is Still Big 100
Symmetric Ciphers ECB CBC WTF 55
Symmetric Ciphers Passwords as Keys 50
Mathematics Find the Lattice 100
General SSH Keys 35
Mathematics Modular Binomials 80
General Encoding Challenge 40
General Transparency 50
General CERTainly not 30
General Privacy-Enhanced Mail? 25
Symmetric Ciphers Triple DES 60
Symmetric Ciphers ECB Oracle 60
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers Stream of Consciousness 80
Symmetric Ciphers CTRIME 70
Symmetric Ciphers Bean Counter 60
Mathematics Gaussian Reduction 50
Mathematics What's a Lattice? 40
Mathematics Gram Schmidt 30
Mathematics Size and Basis 15
Mathematics Vectors 10
Crypto on the Web No Way JOSE 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
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
Diffie-Hellman Diffie-Hellman Starter 1 10
RSA Modulus Inutilis 50
RSA Salty 20
Crypto on the Web JWT Sessions 10
Crypto on the Web Token Appreciation 5
RSA Manyprime 40
RSA Square Eyes 35
RSA Monoprime 30
RSA Inferius Prime 30
RSA Factoring 15
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
Hash Functions Jack's Birthday Hash 20
Mathematics Broken RSA 100
Mathematics Successive Powers 60
Mathematics Modular Square Root 35
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 Adrien's Signs 80
Mathematics Chinese Remainder Theorem 40
General Lemur XOR 40
Introduction Network Attacks 5
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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