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Submitted Solutions

Blinding Light 1

Solved Challenges

Crypto on the Web Decrypting TLS 1.3 35
Crypto on the Web Decrypting TLS 1.2 30
Mathematics Backpack Cryptography 120
Misc Bit by Bit 100
Mathematics No Way Back Home 100
Mathematics Prime and Prejudice 200
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 Secure Protocols 5
Misc Armory 100
Mathematics Find the Lattice 100
Elliptic Curves Curveball 100
Elliptic Curves Moving Problems 150
Elliptic Curves Elliptic Nodes 150
Elliptic Curves Micro Transmissions 120
RSA Let's Decrypt 80
RSA Vote for Pedro 150
RSA Blinding Light 120
Hash Functions MD0 80
Symmetric Ciphers Stream of Consciousness 80
Symmetric Ciphers CTRIME 70
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
Symmetric Ciphers Triple DES 60
Hash Functions Collider 50
Symmetric Ciphers Bean Counter 60
Elliptic Curves Exceptional Curves 100
Elliptic Curves Smooth Criminal 60
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 Symmetry 50
Diffie-Hellman Script Kiddie 70
Mathematics Broken RSA 100
Mathematics Adrien's Signs 80
Mathematics Unencryptable 125
Mathematics Modular Binomials 80
Mathematics Successive Powers 60
Diffie-Hellman Static Client 2 120
Diffie-Hellman Static Client 100
Symmetric Ciphers Diffusion through Permutation 30
Crypto on the Web JSON in JSON 40
Symmetric Ciphers Lazy CBC 60
Diffie-Hellman Additive 70
Misc No Leaks 100
Misc Gotta Go Fast 40
Crypto on the Web RSA or HMAC? Part 2 100
RSA Bespoke Padding 100
RSA Signing Server 60
Mathematics Gaussian Reduction 50
Mathematics What's a Lattice? 40
Mathematics Gram Schmidt 30
Mathematics Size and Basis 15
Mathematics Vectors 10
Mathematics Chinese Remainder Theorem 40
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Crypto on the Web RSA or HMAC? 35
General SSH Keys 35
Diffie-Hellman Export-grade 100
Diffie-Hellman Diffie-Hellman Starter 2 20
RSA Endless Emails 150
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers ECB CBC WTF 55
Symmetric Ciphers ECB Oracle 60
Symmetric Ciphers Bringing It All Together 50
Symmetric Ciphers Confusion through Substitution 25
Symmetric Ciphers Round Keys 20
Symmetric Ciphers Passwords as Keys 50
Symmetric Ciphers Modes of Operation Starter 15
Diffie-Hellman Parameter Injection 60
General Transparency 50
General Lemur XOR 40
Mathematics Quadratic Residues 25
Diffie-Hellman Diffie-Hellman Starter 5 40
Crypto on the Web JWT Secrets 25
Crypto on the Web No Way JOSE 20
Crypto on the Web JWT Sessions 10
Crypto on the Web Token Appreciation 5
Diffie-Hellman Diffie-Hellman Starter 4 30
Diffie-Hellman Diffie-Hellman Starter 3 20
Diffie-Hellman Diffie-Hellman Starter 1 10
RSA Null or Never 100
RSA RSA Backdoor Viability 175
RSA Ron was Wrong, Whit is Right 90
RSA Fast Primes 75
RSA Marin's Secrets 50
RSA Infinite Descent 50
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
Introduction Network Attacks 5
Introduction Great Snakes 3
General CERTainly not 30
General Privacy-Enhanced Mail? 25
General Modular Inverting 25
General Modular Arithmetic 2 20
General Modular Arithmetic 1 20
General Extended GCD 20
General Greatest Common Divisor 15
RSA Everything is Still Big 100
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 RSA Starter 6 25
Symmetric Ciphers Structure of AES 15
Symmetric Ciphers Resisting Bruteforce 10
General Bytes and Big Integers 10
General Base64 10
General Hex 5
General ASCII 5
Symmetric Ciphers Keyed Permutations 5
Introduction Finding Flags 2
RSA Factoring 15
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

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