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Solved Challenges

Hash Functions MD0 80
Mathematics Broken RSA 100
Mathematics Successive Powers 60
Crypto on the Web Saying Hello 20
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
Crypto on the Web JWT Secrets 25
Hash Functions Collider 50
RSA Null or Never 100
RSA RSA Backdoor Viability 175
RSA Ron was Wrong, Whit is Right 90
RSA Fast Primes 75
RSA Factoring 15
Mathematics Unencryptable 125
Mathematics Roll your Own 125
Mathematics Ellipse Curve Cryptography 125
Mathematics No Way Back Home 100
RSA Signing Server 60
RSA Bespoke Padding 100
Hash Functions Hash Stuffing 50
Hash Functions Jack's Birthday Hash 20
General Encoding Challenge 40
Introduction Network Attacks 5
RSA Blinding Light 120
RSA Vote for Pedro 150
RSA Let's Decrypt Again 175
RSA Let's Decrypt 80
RSA Marin's Secrets 50
RSA Endless Emails 150
RSA Infinite Descent 50
RSA Everything is Still Big 100
RSA Manyprime 40
RSA Square Eyes 35
RSA Inferius Prime 30
RSA Crossed Wires 100
RSA Everything is Big 70
RSA Modulus Inutilis 50
RSA Salty 20
RSA Monoprime 30
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 From Private to Public Key LWE 25
Lattices LWE High Bits Message 15
Lattices LWE Intro 10
Lattices What's a Lattice? 40
Lattices Size and Basis 15
Lattices Vectors 10
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
Hash Functions Jack's Birthday Confusion 30
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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