BlackyCTF

Two robots

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Solved Challenges

Elliptic Curves Background Reading 5
Elliptic Curves Efficient Exchange 50
Elliptic Curves Scalar Multiplication 35
Elliptic Curves Point Addition 30
Elliptic Curves Point Negation 10
RSA RSA Signatures 25
RSA Modular Exponentiation 10
RSA Let's Decrypt Again 175
RSA Blinding Light 120
RSA Ron was Wrong, Whit is Right 90
RSA RSA Backdoor Viability 175
RSA Vote for Pedro 150
RSA Let's Decrypt 80
RSA Signing Server 60
RSA Bespoke Padding 100
RSA Null or Never 100
RSA Fast Primes 75
RSA Infinite Descent 50
RSA Everything is Still Big 100
RSA Marin's Secrets 50
RSA Endless Emails 150
RSA Crossed Wires 100
RSA Everything is Big 70
RSA Manyprime 40
RSA Modulus Inutilis 50
RSA Salty 20
RSA Square Eyes 35
RSA Monoprime 30
RSA Inferius Prime 30
RSA Factoring 15
RSA RSA Decryption 20
RSA Private Keys 20
RSA Euler's Totient 20
RSA Public Keys 15
Symmetric Ciphers Beatboxer 150
Symmetric Ciphers Logon Zero 80
Symmetric Ciphers Dancing Queen 120
Symmetric Ciphers The Good, The Pad, The Ugly 100
Symmetric Ciphers Pad Thai 80
Symmetric Ciphers Paper Plane 120
Symmetric Ciphers Oh SNAP 120
Symmetric Ciphers CTRIME 70
Symmetric Ciphers Stream of Consciousness 80
Symmetric Ciphers Forbidden Fruit 150
Symmetric Ciphers Bean Counter 60
Symmetric Ciphers Symmetry 50
Symmetric Ciphers Triple DES 60
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers ECB Oracle 60
Symmetric Ciphers ECB CBC WTF 55
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
General Lemur XOR 40
General Privacy-Enhanced Mail? 25
General Transparency 50
General Encoding Challenge 40
General Extended GCD 20
General ASCII 5
General SSH Keys 35
General CERTainly not 30
General Modular Inverting 25
General Modular Arithmetic 1 20
General Modular Arithmetic 2 20
General Greatest Common Divisor 15
General Base64 10
General Hex 5
General Favourite byte 20
General XOR Properties 15
General XOR Starter 10
General Bytes and Big Integers 10
General You either know, XOR you don't 30
Introduction Network Attacks 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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