bobflanagan

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Rank: #80

Level: md5
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Submitted Solutions

Endless Emails 1
Bespoke Padding 1
Blinding Light 5
Signing Server 2
No Leaks 1
Manyprime 0
Lemur XOR 1
Symmetry 1
Lazy CBC 2
Flipping Cookie 1
ECB CBC WTF 1
ECB Oracle 1

Solved Challenges

Mathematics Gram Schmidt 30
Mathematics Gaussian Reduction 50
Mathematics What's a Lattice? 40
Mathematics Size and Basis 15
Mathematics Vectors 10
RSA Endless Emails 150
RSA Fast Primes 75
Block Ciphers Paper Plane 120
RSA Ron was Wrong, Whit is Right 90
Elliptic Curves Smooth Criminal 60
RSA Bespoke Padding 100
RSA Null or Never 100
Misc Bit by Bit 120
Diffie-Hellman Static Client 150
Mathematics Adrien's Signs 60
RSA Everything is Big 70
RSA Crossed Wires 100
RSA Infinite Descent 50
Misc Armory 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 Broken RSA 100
RSA Blinding Light 120
RSA Signing Server 60
Misc No Leaks 100
Misc Gotta Go Fast 40
RSA Marin's Secrets 50
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 Starter 6 25
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
Mathematics Modular Square Root 35
Diffie-Hellman Script Kiddie 70
Diffie-Hellman Additive 70
Diffie-Hellman Export-grade 100
Diffie-Hellman Parameter Injection 60
Diffie-Hellman Diffie-Hellman Starter 5 40
Diffie-Hellman Diffie-Hellman Starter 4 30
Diffie-Hellman Diffie-Hellman Starter 3 20
Diffie-Hellman Diffie-Hellman Starter 2 20
Diffie-Hellman Diffie-Hellman Starter 1 10
Block Ciphers Bringing It All Together 50
Block Ciphers Diffusion through Permutation 30
Block Ciphers Confusion through Substitution 25
Block Ciphers Round Keys 20
Block Ciphers Structure of AES 15
Block Ciphers Resisting Bruteforce 10
Block Ciphers Keyed Permutations 5
Block Ciphers Bean Counter 60
Block Ciphers Stream of Consciousness 80
Block Ciphers CTRIME 70
Mathematics Successive Powers 60
General CERTainly not 30
General Privacy-Enhanced Mail? 25
Block Ciphers Symmetry 50
Block Ciphers Lazy CBC 60
Block Ciphers Flipping Cookie 60
Block Ciphers ECB CBC WTF 55
Block Ciphers ECB Oracle 60
Block Ciphers Passwords as Keys 50
Block Ciphers Block Cipher Mode Starter 15
Mathematics Chinese Remainder Theorem 40
Mathematics Legendre Symbol 35
General Extended GCD 20
Mathematics Quadratic Residues 25
Elliptic Curves Background Reading 5
General Modular Inverting 25
General Modular Arithmetic 2 20
General Modular Arithmetic 1 20
General Greatest Common Divisor 15
General Lemur XOR 40
General You either know, XOR you don't 30
General Favourite byte 20
General Encoding Challenge 40
General XOR Properties 15
General XOR Starter 10
General Bytes and Big Integers 10
General Base64 10
General Hex 5
General ASCII 5
Introduction Network Attacks 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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