CRYPT1K

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Submitted Solutions

Vote for Pedro 1
Parameter Injection 0

Solved Challenges

Diffie-Hellman Export-grade 100
Mathematics Cofactor Cofantasy 150
Mathematics Adrien's Signs 80
Mathematics Modular Binomials 80
RSA RSA Backdoor Viability 175
RSA Null or Never 100
RSA Fast Primes 75
Mathematics Real Eisenstein 150
Mathematics Prime and Prejudice 200
Crypto on the Web JSON in JSON 40
Crypto on the Web JWT Sessions 10
Symmetric Ciphers Stream of Consciousness 80
Symmetric Ciphers Triple DES 60
Symmetric Ciphers Bean Counter 60
RSA Vote for Pedro 150
RSA Endless Emails 150
Mathematics Unencryptable 125
RSA Ron was Wrong, Whit is Right 90
Mathematics Broken RSA 100
Symmetric Ciphers CTRIME 70
General SSH Keys 35
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
Misc Gotta Go Fast 40
RSA RSA Starter 6 25
Crypto on the Web RSA or HMAC? 35
Crypto on the Web JWT Secrets 25
Crypto on the Web No Way JOSE 20
Diffie-Hellman Additive 70
RSA Everything is Still Big 100
General Transparency 50
Elliptic Curves Exceptional Curves 100
Elliptic Curves Smooth Criminal 60
RSA Manyprime 40
RSA Square Eyes 35
Diffie-Hellman Parameter Injection 60
Symmetric Ciphers Forbidden Fruit 150
RSA Blinding Light 120
RSA Signing Server 60
General Lemur XOR 40
Crypto on the Web Token Appreciation 5
Symmetric Ciphers Symmetry 50
Symmetric Ciphers ECB CBC WTF 55
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers ECB Oracle 60
Symmetric Ciphers Passwords as Keys 50
Elliptic Curves Curveball 100
RSA Crossed Wires 100
Elliptic Curves Efficient Exchange 50
Elliptic Curves Point Negation 10
Elliptic Curves Scalar Multiplication 35
Elliptic Curves Curves and Logs 40
RSA Marin's Secrets 50
Elliptic Curves Point Addition 30
Mathematics Gram Schmidt 30
Mathematics Modular Square Root 35
Mathematics Legendre Symbol 35
Mathematics Chinese Remainder Theorem 40
Mathematics What's a Lattice? 40
Mathematics Size and Basis 15
Mathematics Vectors 10
General XOR Properties 15
Mathematics Successive Powers 60
Mathematics Quadratic Residues 25
General Encoding Challenge 40
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
RSA Infinite Descent 50
Elliptic Curves Background Reading 5
RSA Inferius Prime 30
RSA Everything is Big 70
RSA Modulus Inutilis 50
General CERTainly not 30
General Privacy-Enhanced Mail? 25
General Extended GCD 20
General ASCII 5
RSA Salty 20
RSA Monoprime 30
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
Symmetric Ciphers Modes of Operation Starter 15
Diffie-Hellman Diffie-Hellman Starter 5 40
General Modular Arithmetic 1 20
General Modular Arithmetic 2 20
General Modular Inverting 25
Diffie-Hellman Diffie-Hellman Starter 4 30
Diffie-Hellman Diffie-Hellman Starter 2 20
Diffie-Hellman Diffie-Hellman Starter 3 20
Diffie-Hellman Diffie-Hellman Starter 1 10
General You either know, XOR you don't 30
General Favourite byte 20
General XOR Starter 10
General Base64 10
General Hex 5
General Bytes and Big Integers 10
General Greatest Common Divisor 15
Introduction Network Attacks 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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