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Solved Challenges

RSA Let's Decrypt 80
RSA Null or Never 100
RSA Bespoke Padding 100
Diffie-Hellman Export-grade 100
Diffie-Hellman Parameter Injection 60
Symmetric Ciphers Bean Counter 60
Symmetric Ciphers Stream of Consciousness 80
RSA Signing Server 60
Mathematics Modular Binomials 80
General SSH Keys 35
Symmetric Ciphers Lazy CBC 60
RSA RSA Backdoor Viability 175
RSA Ron was Wrong, Whit is Right 90
Crypto on the Web JSON in JSON 40
RSA Fast Primes 75
Misc Armory 100
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers Triple DES 60
Symmetric Ciphers ECB Oracle 60
RSA Endless Emails 150
Misc Bit by Bit 100
Mathematics Unencryptable 125
Mathematics Adrien's Signs 80
Mathematics Successive Powers 60
Hash Functions Collider 50
Diffie-Hellman Script Kiddie 70
General Encoding Challenge 40
Crypto on the Web RSA or HMAC? 35
General Transparency 50
Crypto on the Web JWT Secrets 25
Crypto on the Web No Way JOSE 20
General Privacy-Enhanced Mail? 25
General CERTainly not 30
General Lemur XOR 40
Hash Functions Jack's Birthday Hash 20
Crypto on the Web JWT Sessions 10
Crypto on the Web Token Appreciation 5
Diffie-Hellman Diffie-Hellman Starter 5 40
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
Elliptic Curves Smooth Criminal 60
Hash Functions Jack's Birthday Confusion 30
RSA Everything is Still Big 100
RSA Crossed Wires 100
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
Mathematics Gaussian Reduction 50
General You either know, XOR you don't 30
Mathematics What's a Lattice? 40
Mathematics Gram Schmidt 30
Mathematics Size and Basis 15
Mathematics Vectors 10
RSA Marin's Secrets 50
RSA Everything is Big 70
Elliptic Curves Background Reading 5
Mathematics Legendre Symbol 35
Mathematics Modular Square Root 35
Mathematics Quadratic Residues 25
General XOR Properties 15
Introduction Network Attacks 5
General Favourite byte 20
General XOR Starter 10
General Bytes and Big Integers 10
General Base64 10
Symmetric Ciphers Passwords as Keys 50
Symmetric Ciphers Modes of Operation Starter 15
RSA Modulus Inutilis 50
RSA RSA Starter 6 25
Diffie-Hellman Diffie-Hellman Starter 2 20
RSA Infinite Descent 50
RSA Salty 20
RSA Manyprime 40
RSA Square Eyes 35
RSA Monoprime 30
RSA Inferius Prime 30
Diffie-Hellman Diffie-Hellman Starter 4 30
Diffie-Hellman Diffie-Hellman Starter 3 20
Diffie-Hellman Diffie-Hellman Starter 1 10
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
RSA Factoring 15
General Modular Arithmetic 2 20
General Modular Inverting 25
General Extended GCD 20
General Modular Arithmetic 1 20
Mathematics Chinese Remainder Theorem 40
General Greatest Common Divisor 15
General Hex 5
General ASCII 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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