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Tag: RSA

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RSA

Related:
#Number Theory
#Factorization
#Elliptic Curve
#Linear Congruential Generator
#LLL

RSA is a representative public-key cryptosystem whose security is based on the difficulty of integer factorization. (automatically translated from Japanese)

minaminao
·Updated Apr 24, 2026
RSA Challenges
size limit

jp3bgy

Crypto
337 solves
Safe Prime
ptr-yudai

ptr-yudai

Crypto
268 solves
qrime
xornet

xornet

Crypto
258 solves
one-p-rsa
kanon

kanon

Crypto
247 solves
Fully Padded RSA
yu212

yu212

Crypto
245 solves
Square RSA
hiikunz

hiikunz

Crypto
245 solves
RSA2026
theoremoon

theoremoon

Crypto
219 solves
RSA debug?

naan

jp3bgy

Crypto
200 solves
RBG
soon-haari

soon-haari

Crypto
126 solves
Rainbow Sweet Alchemist
keymoon

keymoon

Crypto
126 solves
Single Hint RSA
yu212

yu212

Crypto
123 solves
Small N
pppp4649

pppp4649

Crypto
120 solves
encrypted-p
minaminao

minaminao

Crypto
105 solves
trippple
minaminao

minaminao

Crypto
105 solves
CopperCopperCopper
pppp4649

pppp4649

Crypto
96 solves
reused n
hiikunz

hiikunz

Crypto
94 solves
RSARSARSARSARSARSA
yu212

yu212

Crypto
80 solves
frozen cake
theoremoon

theoremoon

Crypto
71 solves
Hat Trick
keymoon

keymoon

Crypto
66 solves
NNNN
xornet

xornet

Crypto
50 solves
ECRSA
theoremoon

theoremoon

Crypto
49 solves
RSAMPC
chocorusk

chocorusk

Crypto
35 solves
Anti-Fermat
ptr-yudai

ptr-yudai

Crypto
31 solves
Double Hint RSA
yu212

yu212

Crypto
31 solves
reiwa_rot13
kurenaif

kurenaif

Crypto
31 solves
Life is probably full of bugs
pppp4649

pppp4649

Crypto
28 solves
RANDOM IN THE FUTURE.
yu212

yu212

Crypto
28 solves
addprimes
chocorusk

chocorusk

Crypto
27 solves
Elliptic Ring RSA

mitsu

Crypto
5 solves
decryptyou
theoremoon

theoremoon

ptr-yudai

ptr-yudai

Crypto
Pwn
5 solves
OK
theoremoon

theoremoon

keymoon

keymoon

Crypto
3 solves
doloR Sit Amet
yu212

yu212

Crypto
2 solves
doloR Sit Amet Revenge
yu212

yu212

Crypto
2 solves
ARES
ptr-yudai

ptr-yudai

Crypto
1 solves
Try hard in my style
kanon

kanon

Crypto
1 solves
math

task4233

Crypto
1 solves
RSALCG2
keymoon

keymoon

Crypto
0 solves

reiwa_rot13

SECCON CTF 13 Quals
31 solves
Crypto

by

kurenaif

kurenaif

Reiwa is latest era name in Japanese(from 2019). it's latest rot13 challenge!

note: Please submit the flag as it is.

reiwa-rot13.tar.gz
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