Solves

Data for the 50 most recent submitted challenge solves. To read writeups for our challenges, visit Solutions.
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Recent Solves
DateUserChallengeScore
Elineeman Privacy-Enhanced Mail? 25
toomuchcoffee Factoring 15
salmansayad78_7 Mixed Up 120
taboctf Secret Exponents 60
taboctf Composite Isogenies 60
Cano_il_Marsi Privacy-Enhanced Mail? 25
toomuchcoffee RSA Signatures 25
sgrenz Non-Interactive 35
hungtrab Script Kiddie 70
Elineeman Modular Inverting 25
Elineeman Modular Arithmetic 2 20
Elineeman Modular Arithmetic 1 20
Elineeman Extended GCD 20
domepetz Chinese Remainder Theorem 40
Elineeman Greatest Common Divisor 15
sgrenz Honest Verifier Zero Knowledge 30
toomuchcoffee RSA Decryption 20
toomuchcoffee Private Keys 20
an1kv Modular Arithmetic 2 20
taboctf Digestive 60
a_windy_crow Bytes and Big Integers 10
Elineeman Lemur XOR 40
toomuchcoffee Euler's Totient 20
anas123 Factoring 15
toomuchcoffee Public Keys 15
toomuchcoffee Modular Exponentiation 10
taboctf Smooth Criminal 60
hungtrab Ron was Wrong, Whit is Right 90
nasser20 WOTS Up 2 90
nasser20 WOTS Up 75
hungtrab Signing Server 60
nasser20 Merkle Trees 25
nasser20 Invariant 250
Elineeman You either know, XOR you don't 30
nasser20 Mixed Up 120
duckpancakes Greatest Common Divisor 15
nasser20 MDFlag 125
nasser20 MD0 80
anas123 RSA Signatures 25
nasser20 No Difference 175
sgrenz Special Soundness 25
nasser20 Twin Keys 100
nasser20 PriMeD5 100
kynex7510 Crossed Wires 100
nasser20 Hash Stuffing 50
Maram_2026 MDFlag 125
domepetz Modular Square Root 35
nasser20 Collider 50
nasser20 Jack's Birthday Confusion 30
nasser20 Jack's Birthday Hash 20

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