rootdiver

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Submitted Solutions

Too Many Errors 2
The Matrix 3
SSH Keys 16
Curveball 0
Bean Counter 2
Everything is Still Big 2

Solved Challenges

Mathematics Real Eisenstein 150
RSA Let's Decrypt Again 175
Crypto on the Web Saying Hello 20
Crypto on the Web TLS Handshake 15
Crypto on the Web Sharks on the Wire 10
Crypto on the Web Secure Protocols 5
Mathematics No Way Back Home 100
Elliptic Curves No Random, No Bias 120
Elliptic Curves Edwards Goes Degenerate 100
Misc Jeff's LFSR 150
Misc Too Many Errors 100
Hash Functions Jack's Birthday Hash 20
Hash Functions Jack's Birthday Confusion 30
Mathematics Cofactor Cofantasy 150
Diffie-Hellman The Matrix Reloaded 100
Mathematics Backpack Cryptography 120
Misc Toshi's Treasure 150
Misc L-Win 120
Misc Nothing Up My Sleeve 150
RSA Vote for Pedro 150
Hash Functions No Difference 175
Hash Functions PriMeD5 100
Elliptic Curves Moving Problems 150
Symmetric Ciphers Forbidden Fruit 150
Diffie-Hellman The Matrix 75
Mathematics Find the Lattice 100
Crypto on the Web RSA or HMAC? Part 2 100
Misc Lo-Hi Card Game 120
Symmetric Ciphers Dancing Queen 120
Hash Functions Hash Stuffing 50
Mathematics Gaussian Reduction 50
Misc Armory 100
RSA Blinding Light 120
Hash Functions MD0 80
Misc Bit by Bit 100
RSA Bespoke Padding 100
RSA Null or Never 100
Elliptic Curves Montgomery's Ladder 40
General SSH Keys 35
Elliptic Curves ProSign 3 100
Diffie-Hellman Static Client 2 120
Symmetric Ciphers Triple DES 60
Elliptic Curves Elliptic Nodes 150
Elliptic Curves Curveball 100
Misc No Leaks 100
Elliptic Curves Exceptional Curves 100
Elliptic Curves Micro Transmissions 120
Elliptic Curves Smooth Criminal 60
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
Diffie-Hellman Script Kiddie 70
Elliptic Curves Background Reading 5
Mathematics Broken RSA 100
Mathematics Modular Binomials 80
RSA Let's Decrypt 80
RSA RSA Backdoor Viability 175
RSA Signing Server 60
RSA Fast Primes 75
Crypto on the Web RSA or HMAC? 35
Hash Functions Collider 50
Symmetric Ciphers Logon Zero 80
Crypto on the Web JSON in JSON 40
Misc Gotta Go Fast 40
Symmetric Ciphers Lazy CBC 60
Symmetric Ciphers Stream of Consciousness 80
Symmetric Ciphers CTRIME 70
RSA Ron was Wrong, Whit is Right 90
Symmetric Ciphers Bean Counter 60
Symmetric Ciphers Symmetry 50
Mathematics What's a Lattice? 40
Mathematics Gram Schmidt 30
Mathematics Size and Basis 15
Mathematics Vectors 10
Mathematics Adrien's Signs 80
Mathematics Successive Powers 60
Diffie-Hellman Static Client 100
Crypto on the Web JWT Secrets 25
Mathematics Chinese Remainder Theorem 40
Mathematics Legendre Symbol 35
Crypto on the Web No Way JOSE 20
Crypto on the Web JWT Sessions 10
Crypto on the Web Token Appreciation 5
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
Symmetric Ciphers Flipping Cookie 60
Symmetric Ciphers ECB CBC WTF 55
General Lemur XOR 40
General CERTainly not 30
General Transparency 50
General Privacy-Enhanced Mail? 25
RSA Marin's Secrets 50
RSA Infinite Descent 50
General Favourite byte 20
General XOR Properties 15
Symmetric Ciphers Passwords as Keys 50
Symmetric Ciphers ECB Oracle 60
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
RSA Endless Emails 150
RSA Everything is Still Big 100
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
RSA Crossed Wires 100
RSA Monoprime 30
RSA Manyprime 40
RSA Square Eyes 35
Mathematics Modular Square Root 35
RSA Everything is Big 70
RSA Modulus Inutilis 50
RSA Salty 20
Mathematics Unencryptable 125
General Encoding Challenge 40
General XOR Starter 10
General Modular Inverting 25
General Modular Arithmetic 2 20
General Modular Arithmetic 1 20
General Extended GCD 20
General Greatest Common Divisor 15
Mathematics Quadratic Residues 25
General You either know, XOR you don't 30
General Bytes and Big Integers 10
General Base64 10
Introduction Network Attacks 5
General Hex 5
General ASCII 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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