amenhotep

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Submitted Solutions

Bespoke Padding 11

Solved Challenges

Mathematics No Way Back Home 100
Hash Functions MDFlag 125
Symmetric Ciphers Beatboxer 150
Crypto on the Web JSON in JSON 40
Crypto on the Web RSA or HMAC? 35
Crypto on the Web No Way JOSE 20
Hash Functions Mixed Up 120
Symmetric Ciphers Logon Zero 80
Hash Functions Invariant 250
Hash Functions No Difference 175
RSA Let's Decrypt Again 175
Mathematics Cofactor Cofantasy 150
Elliptic Curves Edwards Goes Degenerate 100
Crypto on the Web JWT Secrets 25
Crypto on the Web JWT Sessions 10
Crypto on the Web Token Appreciation 5
General Transparency 50
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
RSA Let's Decrypt 80
Hash Functions PriMeD5 100
Mathematics Ellipse Curve Cryptography 125
Lattices Find the Lattice 100
Lattices Backpack Cryptography 120
Lattices Too Many Errors 100
Lattices Gram Schmidt 30
Hash Functions MD0 80
Mathematics Unencryptable 125
Hash Functions Collider 50
Lattices Gaussian Reduction 50
Lattices What's a Lattice? 40
Lattices Size and Basis 15
Lattices Vectors 10
Symmetric Ciphers Forbidden Fruit 150
Symmetric Ciphers Triple DES 60
Symmetric Ciphers Bringing It All Together 50
Symmetric Ciphers Diffusion through Permutation 30
Symmetric Ciphers Confusion through Substitution 25
Elliptic Curves Moving Problems 150
Symmetric Ciphers Round Keys 20
Symmetric Ciphers Structure of AES 15
Misc Nothing Up My Sleeve 150
Symmetric Ciphers Paper Plane 120
Mathematics Real Eisenstein 150
Mathematics Broken RSA 100
Mathematics Modular Square Root 35
RSA Bespoke Padding 100
Symmetric Ciphers Resisting Bruteforce 10
Symmetric Ciphers Keyed Permutations 5
Elliptic Curves Elliptic Nodes 150
RSA Everything is Still Big 100
Elliptic Curves Micro Transmissions 120
RSA Crossed Wires 100
Diffie-Hellman Static Client 2 120
RSA Everything is Big 70
Mathematics Legendre Symbol 35
Mathematics Prime and Prejudice 200
Misc Toshi's Treasure 150
Mathematics Quadratic Residues 25
General XOR Properties 15
RSA Null or Never 100
Symmetric Ciphers CTRIME 70
RSA Endless Emails 150
Elliptic Curves Exceptional Curves 100
Elliptic Curves Curveball 100
Symmetric Ciphers Stream of Consciousness 80
RSA Fast Primes 75
Mathematics Modular Binomials 80
Elliptic Curves ProSign 3 100
Diffie-Hellman Static Client 100
Misc Bit by Bit 100
RSA Vote for Pedro 150
RSA Ron was Wrong, Whit is Right 90
RSA Manyprime 40
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
Elliptic Curves Background Reading 5
Diffie-Hellman Export-grade 100
Diffie-Hellman Parameter Injection 60
RSA Signing Server 60
RSA RSA Signatures 25
Mathematics Adrien's Signs 80
Misc Lo-Hi Card Game 120
RSA Marin's Secrets 50
RSA Infinite Descent 50
RSA Blinding Light 120
Elliptic Curves Smooth Criminal 60
RSA Modulus Inutilis 50
RSA Salty 20
RSA Square Eyes 35
RSA Monoprime 30
RSA Inferius Prime 30
RSA Factoring 15
Symmetric Ciphers ECB Oracle 60
Diffie-Hellman Script Kiddie 70
Symmetric Ciphers Bean Counter 60
Symmetric Ciphers Symmetry 50
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers ECB CBC WTF 55
General CERTainly not 30
General Privacy-Enhanced Mail? 25
Mathematics Chinese Remainder Theorem 40
General Extended GCD 20
General Lemur XOR 40
General Encoding Challenge 40
Diffie-Hellman Additive 70
Diffie-Hellman Deriving Symmetric Keys 40
Diffie-Hellman Computing Shared Secrets 30
Diffie-Hellman Computing Public Values 25
Diffie-Hellman Generators of Groups 20
Diffie-Hellman Working with Fields 10
Misc No Leaks 100
Misc Gotta Go Fast 40
RSA RSA Decryption 20
RSA Private Keys 20
Symmetric Ciphers Passwords as Keys 50
Symmetric Ciphers Modes of Operation Starter 15
Mathematics Successive Powers 60
General Modular Inverting 25
General Modular Arithmetic 2 20
General Greatest Common Divisor 15
General You either know, XOR you don't 30
General Favourite byte 20
General XOR Starter 10
RSA Euler's Totient 20
RSA Public Keys 15
RSA Modular Exponentiation 10
General Bytes and Big Integers 10
General Base64 10
General Hex 5
General ASCII 5
General Modular Arithmetic 1 20
Introduction Network Attacks 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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