blackhat69

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Solved Challenges

Crypto on the Web No Way JOSE 20
Crypto on the Web JSON in JSON 40
Crypto on the Web Authenticated Handshake 40
Isogenies DLOG on the Surface 40
Isogenies Composite Isogenies 60
Isogenies SIDH Key Exchange 80
Isogenies Better than Linear 85
Isogenies Prime Power Isogenies 50
Isogenies Secret Exponents 60
Isogenies Twisted CSIDH Isogenies 70
Isogenies What's My Kernel 70
Lattices Gram Schmidt 30
Lattices What's a Lattice? 40
Lattices Gaussian Reduction 50
Lattices Noise Free 40
Lattices Bounded Noise 50
Symmetric Ciphers Stream of Consciousness 80
Symmetric Ciphers Logon Zero 80
Symmetric Ciphers CTRIME 70
ZKPs Mister Saplin's Preview 80
ZKPs OR Proof 75
ZKPs Hamiltonicity 2 175
ZKPs Hamiltonicity 1 100
Hash Functions PriMeD5 100
Hash Functions Invariant 250
Hash Functions Mixed Up 120
Hash Functions No Difference 175
Symmetric Ciphers Dancing Queen 120
Symmetric Ciphers Oh SNAP 120
Symmetric Ciphers The Good, The Pad, The Ugly 100
Symmetric Ciphers Oracular Spectacular 150
Symmetric Ciphers Forbidden Fruit 150
Symmetric Ciphers Paper Plane 120
Elliptic Curves An Evil Twisted Mind 175
Elliptic Curves An Exceptional Twisted Mind 125
Elliptic Curves Micro Transmissions 120
Elliptic Curves Moving Problems 150
Elliptic Curves Edwards Goes Degenerate 100
Elliptic Curves ProSign 3 100
Elliptic Curves Real Curve Crypto 200
Isogenies CSIDH Key Exchange 90
Isogenies Breaking SIDH 250
Isogenies Meet me in the Claw 120
Isogenies Dual Masters 90
Isogenies Abelian SIDH 90
Isogenies A True Genus 175
Misc Gotta Go Fast 40
Misc Nothing Up My Sleeve 150
Misc Trust Games 150
Misc RSA vs RNG 150
Misc L-Win 120
Misc Jeff's LFSR 150
Misc Toshi's Treasure 150
Misc Bruce Schneier's Password 100
Misc Armory 100
ZKPs Couples 100
ZKPs Let's Prove It 120
ZKPs Let's Prove It Again 175
ZKPs Mister Saplins The Prover 125
ZKPs Pairing-Based Cryptography 50
Lattices Find the Lattice 100
Lattices Backpack Cryptography 120
Lattices Noise Cheap 90
Lattices Nativity 60
Lattices Missing Modulus 80
Lattices Too Many Errors 100
Crypto on the Web RSA or HMAC? Part 2 100
Crypto on the Web Decrypting TLS 1.2 30
Crypto on the Web Decrypting TLS 1.3 35
Elliptic Curves Curveball 100
Elliptic Curves No Random, No Bias 120
Diffie-Hellman The Matrix Revolutions 125
Diffie-Hellman The Matrix Reloaded 100
Diffie-Hellman The Matrix 75
Diffie-Hellman Script Kiddie 70
Diffie-Hellman Additive 70
Diffie-Hellman Static Client 2 120
Diffie-Hellman Parameter Injection 60
RSA Inferius Prime 30
RSA Monoprime 30
RSA Square Eyes 35
RSA Manyprime 40
RSA Factoring 15
RSA Marin's Secrets 50
RSA Fast Primes 75
RSA Ron was Wrong, Whit is Right 90
RSA Infinite Descent 50
RSA RSA Decryption 20
RSA Private Keys 20
RSA Euler's Totient 20
RSA Public Keys 15
RSA Modular Exponentiation 10
Mathematics Adrien's Signs 80
Mathematics Chinese Remainder Theorem 40
Mathematics Quadratic Residues 25
General You either know, XOR you don't 30
General Favourite byte 20
General XOR Properties 15
General XOR Starter 10
RSA Null or Never 100
RSA RSA Backdoor Viability 175
RSA Everything is Big 70
RSA Crossed Wires 100
RSA Everything is Still Big 100
RSA Endless Emails 150
Mathematics Unencryptable 125
Mathematics Ellipse Curve Cryptography 125
Mathematics Real Eisenstein 150
Mathematics No Way Back Home 100
Mathematics Broken RSA 100
General Modular Arithmetic 2 20
General Modular Arithmetic 1 20
General Extended GCD 20
General Modular Inverting 25
General Greatest Common Divisor 15
General Transparency 50
Hash Functions Jack's Birthday Confusion 30
Hash Functions Jack's Birthday Hash 20
Introduction Network Attacks 5
General Bytes and Big Integers 10
General Base64 10
General Hex 5
General ASCII 5
Introduction Great Snakes 3
Introduction Finding Flags 2

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