2024-09-27T12:09:22Z |
CTF Archive |
Key Backup Service 1 (HKCERT CTF) |
0
|
2024-09-26T14:00:40Z |
CTF Archive |
Blind (ECSC 2023 (Norway)) |
0
|
2024-08-29T14:00:58Z |
CTF Archive |
Hyper512 (HITCON CTF) |
0
|
2024-08-05T23:27:12Z |
CTF Archive |
Leet Universe (ImaginaryCTF (Daily)) |
0
|
2024-07-21T14:59:33Z |
Isogenies |
Breaking SIDH |
250
|
2024-07-21T14:59:07Z |
ZKPs |
Ticket Maestro |
200
|
2024-07-21T14:58:59Z |
ZKPs |
Fischlin Transform |
180
|
2024-07-21T14:58:33Z |
Elliptic Curves |
An Evil Twisted Mind |
175
|
2024-07-21T14:58:26Z |
Elliptic Curves |
An Exceptional Twisted Mind |
125
|
2024-07-21T14:33:11Z |
ZKPs |
Hamiltonicity 2 |
175
|
2024-07-21T10:13:36Z |
Isogenies |
A True Genus |
175
|
2024-07-21T07:11:05Z |
Isogenies |
Meet me in the Claw |
120
|
2024-07-21T00:16:40Z |
Elliptic Curves |
A Twisted Mind |
80
|
2024-07-20T14:18:27Z |
Isogenies |
Dual Masters |
90
|
2024-07-20T07:24:45Z |
ZKPs |
Let's Prove It Again |
175
|
2024-07-18T22:06:45Z |
ZKPs |
Mister Saplins The Prover |
125
|
2024-07-18T05:00:16Z |
ZKPs |
Mister Saplin's Preview |
80
|
2024-07-17T06:48:38Z |
Isogenies |
Abelian SIDH |
90
|
2024-07-16T17:08:04Z |
Elliptic Curves |
Checkpoint |
150
|
2024-07-16T11:11:50Z |
Isogenies |
Better than Linear |
85
|
2024-07-16T02:03:27Z |
ZKPs |
Couples |
100
|
2024-07-15T23:54:47Z |
Isogenies |
André Encoding |
80
|
2024-07-15T14:24:07Z |
ZKPs |
Let's Prove It |
120
|
2024-07-13T22:49:41Z |
Isogenies |
What's My Kernel |
70
|
2024-07-13T12:58:11Z |
Isogenies |
CSIDH Key Exchange |
90
|
2024-07-13T11:21:12Z |
Symmetric Ciphers |
Oracular Spectacular |
150
|
2024-07-13T10:21:18Z |
Symmetric Ciphers |
The Good, The Pad, The Ugly |
100
|
2024-07-13T09:08:36Z |
Isogenies |
Twisted CSIDH Isogenies |
70
|
2024-07-13T07:56:31Z |
Isogenies |
Secret Exponents |
60
|
2024-07-12T13:32:16Z |
Symmetric Ciphers |
Pad Thai |
80
|
2024-07-12T11:15:43Z |
Hash Functions |
Merkle Trees |
25
|
2024-07-12T11:09:40Z |
Isogenies |
SIDH Key Exchange |
80
|
2024-07-12T11:03:54Z |
CTF Archive |
Hamiltonicity (CryptoHack) |
0
|
2024-07-12T11:03:39Z |
ZKPs |
Hamiltonicity 1 |
100
|
2024-07-12T10:19:07Z |
Lattices |
Bounded Noise |
50
|
2024-07-12T09:44:38Z |
Isogenies |
DLOG on the Surface |
40
|
2024-07-12T08:28:30Z |
Isogenies |
Prime Power Isogenies |
50
|
2024-07-12T08:15:42Z |
Isogenies |
Special Isogenies |
30
|
2024-07-12T07:39:07Z |
Isogenies |
Image Point Arithmetic |
30
|
2024-07-12T07:19:29Z |
Isogenies |
Composite Isogenies |
60
|
2024-07-12T07:03:33Z |
Isogenies |
Three Isogenies |
35
|
2024-07-12T06:57:16Z |
Isogenies |
Two Isogenies |
30
|
2024-07-12T06:49:38Z |
CTF Archive |
OR Proof (CryptoHack) |
0
|
2024-07-12T06:49:09Z |
ZKPs |
OR Proof |
75
|
2024-07-12T03:28:30Z |
ZKPs |
Pairing-Based Cryptography |
50
|
2024-07-12T03:15:58Z |
ZKPs |
Too Honest |
50
|
2024-07-12T02:31:02Z |
ZKPs |
Non-Interactive |
35
|
2024-07-12T01:51:56Z |
ZKPs |
Honest Verifier Zero Knowledge |
30
|
2024-07-12T00:46:04Z |
ZKPs |
Special Soundness |
25
|
2024-07-12T00:12:01Z |
ZKPs |
Proofs of Knowledge |
20
|
2024-07-11T22:39:18Z |
Isogenies |
Montgomery Curves |
30
|
2024-07-11T22:18:45Z |
Isogenies |
Where's the Supersingular Curve |
25
|
2024-07-11T22:04:48Z |
Isogenies |
The j-invariant |
20
|
2024-07-11T21:52:11Z |
ZKPs |
ZKP Introduction |
5
|
2024-07-11T21:49:33Z |
Isogenies |
Introduction to Isogenies |
10
|
2024-07-10T04:11:09Z |
CTF Archive |
RRSSAA (ECSC 2023 (Norway)) |
0
|
2024-07-10T03:40:29Z |
CTF Archive |
Key Backup Service 2 (HKCERT CTF) |
0
|
2024-07-09T11:27:32Z |
CTF Archive |
Real Mersenne (Zh3r0 CTF V2) |
0
|
2024-07-05T03:23:09Z |
CTF Archive |
Authenticator (Firebird Internal CTF) |
0
|
2024-07-05T00:27:26Z |
CTF Archive |
C0ll1d3r (Firebird Internal CTF) |
0
|
2024-07-04T23:23:09Z |
CTF Archive |
1337crypt v2 (DownUnderCTF) |
0
|
2024-07-04T23:11:11Z |
CTF Archive |
Sign In Please, Again (HKCERT CTF) |
0
|
2024-07-04T08:58:32Z |
CTF Archive |
Substitution Cipher III (DownUnderCTF) |
0
|
2024-07-01T12:15:03Z |
CTF Archive |
SpongeBob SquarePants / Battle for Bikini Bottom - Rehydrated (HTB Cyber Apocalypse) |
0
|
2024-06-28T13:03:46Z |
CTF Archive |
Sratslla SEA (HKCERT CTF) |
0
|
2024-06-21T10:21:29Z |
CTF Archive |
Tenet: The Plagarism (HKCERT CTF) |
0
|
2024-06-19T11:23:26Z |
CTF Archive |
Twist and Shout (Zh3r0 CTF V2) |
0
|
2024-06-18T12:50:24Z |
CTF Archive |
Unevaluated (TETCTF) |
0
|
2024-06-17T01:41:14Z |
CTF Archive |
Unimplemented (TETCTF) |
0
|
2024-06-15T06:39:08Z |
CTF Archive |
import numpy as MT (Zh3r0 CTF V2) |
0
|
2024-06-10T03:53:36Z |
CTF Archive |
Sign in Please (HKCERT CTF) |
0
|
2024-05-28T23:41:59Z |
CTF Archive |
Oofbleck (Firebird Internal CTF) |
0
|
2024-05-28T12:22:03Z |
CTF Archive |
Calm Down (HKCERT CTF) |
0
|
2024-05-26T03:09:02Z |
CTF Archive |
2020 (TETCTF) |
0
|
2024-05-24T20:58:04Z |
CTF Archive |
d-phi-enc (HackTM CTF) |
0
|
2024-05-24T18:57:55Z |
Hash Functions |
WOTS Up 2 |
90
|
2024-05-20T06:15:52Z |
CTF Archive |
1337crypt (DownUnderCTF) |
0
|
2024-05-20T04:49:48Z |
Hash Functions |
WOTS Up |
75
|
2023-09-19T14:28:05Z |
Misc |
LFSR Destroyer |
250
|
2023-08-29T07:54:13Z |
Crypto on the Web |
Megalomaniac 3 |
120
|
2023-08-27T13:29:00Z |
Crypto on the Web |
Megalomaniac 2 |
120
|
2023-08-27T07:19:17Z |
Crypto on the Web |
Megalomaniac 1 |
100
|
2023-08-23T04:08:15Z |
Crypto on the Web |
Authenticated Handshake |
40
|
2023-08-02T10:44:19Z |
Hash Functions |
Invariant |
250
|
2023-04-13T07:17:39Z |
Elliptic Curves |
Real Curve Crypto |
200
|
2023-02-09T11:24:20Z |
Crypto on the Web |
Decrypting TLS 1.3 |
35
|
2023-02-09T11:18:06Z |
Crypto on the Web |
Decrypting TLS 1.2 |
30
|
2023-01-28T07:40:51Z |
Lattices |
Noise Cheap |
90
|
2023-01-28T06:51:47Z |
Lattices |
Missing Modulus |
80
|
2023-01-27T23:51:46Z |
Lattices |
Nativity |
60
|
2023-01-26T06:29:32Z |
Lattices |
Noise Free |
40
|
2023-01-25T01:26:32Z |
Elliptic Curves |
Digestive |
60
|
2023-01-05T05:17:21Z |
Lattices |
From Private to Public Key LWE |
25
|
2023-01-05T05:08:29Z |
Lattices |
LWE Low Bits Message |
20
|
2023-01-05T04:47:46Z |
Lattices |
LWE High Bits Message |
15
|
2023-01-01T23:39:47Z |
Hash Functions |
No Difference |
175
|
2022-12-26T03:21:22Z |
Lattices |
LWE Intro |
10
|
2022-12-26T03:19:14Z |
Lattices |
LWE Background |
5
|
2022-12-25T13:33:02Z |
Misc |
RSA vs RNG |
150
|
2022-11-25T11:45:15Z |
Symmetric Ciphers |
Beatboxer |
150
|
2022-11-01T13:37:07Z |
Misc |
Trust Games |
150
|
2022-10-14T00:27:58Z |
Hash Functions |
Twin Keys |
100
|
2022-09-26T03:41:11Z |
Symmetric Ciphers |
Dancing Queen |
120
|
2022-08-21T08:05:43Z |
Hash Functions |
Mixed Up |
120
|
2022-08-21T03:05:33Z |
Hash Functions |
MDFlag |
125
|
2022-07-27T12:06:12Z |
Misc |
Toshi's Treasure |
150
|
2022-07-27T00:58:15Z |
Misc |
Jeff's LFSR |
150
|
2022-07-24T12:26:09Z |
Misc |
Nothing Up My Sleeve |
150
|
2022-07-12T11:40:29Z |
Misc |
Bit by Bit |
100
|
2022-07-10T07:04:31Z |
Misc |
Armory |
100
|
2022-07-07T12:35:46Z |
Lattices |
Too Many Errors |
100
|
2022-07-05T05:40:01Z |
RSA |
Let's Decrypt Again |
175
|
2022-07-02T11:24:06Z |
Crypto on the Web |
Saying Hello |
20
|
2022-07-02T11:13:41Z |
Crypto on the Web |
TLS Handshake |
15
|
2022-07-02T11:03:40Z |
Crypto on the Web |
Sharks on the Wire |
10
|
2022-07-02T11:02:02Z |
Crypto on the Web |
Secure Protocols |
5
|
2022-06-30T00:45:35Z |
Mathematics |
No Way Back Home |
100
|
2022-06-26T03:51:19Z |
Misc |
Lo-Hi Card Game |
120
|
2022-06-22T20:37:07Z |
Symmetric Ciphers |
Forbidden Fruit |
150
|
2022-06-21T13:53:05Z |
Symmetric Ciphers |
Paper Plane |
120
|
2022-06-20T09:24:07Z |
Symmetric Ciphers |
Oh SNAP |
120
|
2022-06-18T23:32:33Z |
Hash Functions |
Hash Stuffing |
50
|
2022-05-16T02:36:54Z |
Symmetric Ciphers |
Logon Zero |
80
|
2022-05-06T20:19:58Z |
Elliptic Curves |
No Random, No Bias |
120
|
2022-04-15T09:30:11Z |
Misc |
L-Win |
120
|
2022-04-12T12:55:29Z |
Elliptic Curves |
Micro Transmissions |
120
|
2022-04-07T20:04:16Z |
Symmetric Ciphers |
Symmetry |
50
|
2022-04-07T19:59:24Z |
Elliptic Curves |
Moving Problems |
150
|
2022-03-22T12:01:42Z |
Elliptic Curves |
ProSign 3 |
100
|
2022-03-19T17:17:37Z |
Elliptic Curves |
Edwards Goes Degenerate |
100
|
2022-03-16T22:42:35Z |
Elliptic Curves |
Curveball |
100
|
2022-03-14T10:28:59Z |
Elliptic Curves |
Double and Broken |
50
|
2022-03-10T10:50:28Z |
Hash Functions |
PriMeD5 |
100
|
2022-03-06T00:21:31Z |
RSA |
Blinding Light |
120
|
2022-03-04T22:20:19Z |
RSA |
Let's Decrypt |
80
|
2022-03-02T11:14:48Z |
Mathematics |
Ellipse Curve Cryptography |
125
|
2022-03-01T10:04:38Z |
Elliptic Curves |
Elliptic Nodes |
150
|
2022-02-20T22:55:33Z |
Diffie-Hellman |
Static Client 2 |
120
|
2022-02-19T23:32:13Z |
Mathematics |
Roll your Own |
125
|
2022-01-25T06:38:29Z |
Diffie-Hellman |
Script Kiddie |
70
|
2022-01-24T00:44:39Z |
Diffie-Hellman |
The Matrix |
75
|
2022-01-11T12:49:58Z |
Diffie-Hellman |
Additive |
70
|
2022-01-10T20:31:35Z |
Elliptic Curves |
Exceptional Curves |
100
|
2022-01-08T21:11:33Z |
Elliptic Curves |
Montgomery's Ladder |
40
|
2022-01-08T03:15:23Z |
Misc |
No Leaks |
100
|
2022-01-08T01:06:32Z |
Diffie-Hellman |
Static Client |
100
|
2022-01-08T00:39:08Z |
Lattices |
Backpack Cryptography |
120
|
2022-01-07T23:55:23Z |
Misc |
Gotta Go Fast |
40
|
2022-01-07T23:51:34Z |
Symmetric Ciphers |
ECB CBC WTF |
55
|
2022-01-07T22:55:45Z |
Diffie-Hellman |
The Matrix Revolutions |
125
|
2022-01-07T22:37:20Z |
Diffie-Hellman |
The Matrix Reloaded |
100
|
2022-01-07T22:31:56Z |
RSA |
Vote for Pedro |
150
|
2022-01-07T22:16:31Z |
Misc |
Bruce Schneier's Password |
100
|
2022-01-07T21:13:49Z |
Misc |
Bruce Schneier's Password: Part 2 |
250
|
2022-01-07T21:01:18Z |
Mathematics |
Prime and Prejudice |
200
|
2022-01-07T20:39:13Z |
Mathematics |
Cofactor Cofantasy |
150
|
2022-01-06T20:33:42Z |
Hash Functions |
Collider |
50
|
2022-01-05T00:59:43Z |
RSA |
Bespoke Padding |
100
|
2022-01-01T06:40:34Z |
Lattices |
What's a Lattice? |
40
|
2022-01-01T00:37:32Z |
Lattices |
Gram Schmidt |
30
|
2021-12-31T10:05:47Z |
Mathematics |
Real Eisenstein |
150
|
2021-12-31T08:29:11Z |
Mathematics |
Adrien's Signs |
80
|
2021-12-31T05:54:18Z |
RSA |
Signing Server |
60
|
2021-12-31T05:47:52Z |
RSA |
Null or Never |
100
|
2021-12-31T05:29:58Z |
Mathematics |
Unencryptable |
125
|
2021-12-31T04:54:23Z |
Lattices |
Find the Lattice |
100
|
2021-12-31T04:44:22Z |
Lattices |
Gaussian Reduction |
50
|
2021-12-31T01:19:03Z |
Mathematics |
Broken RSA |
100
|
2021-12-30T03:07:28Z |
Mathematics |
Modular Binomials |
80
|
2021-12-30T01:38:57Z |
Mathematics |
Successive Powers |
60
|
2021-12-28T12:10:37Z |
Symmetric Ciphers |
Passwords as Keys |
50
|
2021-12-27T05:05:38Z |
Crypto on the Web |
JSON in JSON |
40
|
2021-12-26T07:19:30Z |
Lattices |
Size and Basis |
15
|
2021-12-26T07:06:01Z |
Lattices |
Vectors |
10
|
2021-12-26T02:35:08Z |
Crypto on the Web |
RSA or HMAC? Part 2 |
100
|
2021-12-25T10:41:56Z |
Crypto on the Web |
RSA or HMAC? |
35
|
2021-12-25T07:36:40Z |
Crypto on the Web |
JWT Secrets |
25
|
2021-12-25T06:35:10Z |
Crypto on the Web |
No Way JOSE |
20
|
2021-12-24T23:15:22Z |
Crypto on the Web |
JWT Sessions |
10
|
2021-12-24T23:12:20Z |
Crypto on the Web |
Token Appreciation |
5
|
2021-12-24T23:03:37Z |
Diffie-Hellman |
Deriving Symmetric Keys |
40
|
2021-12-24T09:47:38Z |
Diffie-Hellman |
Computing Shared Secrets |
30
|
2021-12-24T09:43:59Z |
Diffie-Hellman |
Computing Public Values |
25
|
2021-12-24T09:37:20Z |
Diffie-Hellman |
Generators of Groups |
20
|
2021-12-24T09:34:27Z |
Diffie-Hellman |
Working with Fields |
10
|
2021-12-24T09:15:38Z |
Hash Functions |
Jack's Birthday Confusion |
30
|
2021-12-24T08:10:07Z |
Hash Functions |
Jack's Birthday Hash |
20
|
2021-12-24T03:39:12Z |
Symmetric Ciphers |
Modes of Operation Starter |
15
|
2021-12-23T08:17:03Z |
Symmetric Ciphers |
Bringing It All Together |
50
|
2021-12-23T04:34:14Z |
Symmetric Ciphers |
Diffusion through Permutation |
30
|
2021-12-23T04:18:05Z |
Symmetric Ciphers |
Confusion through Substitution |
25
|
2021-12-23T02:29:21Z |
Symmetric Ciphers |
Round Keys |
20
|
2021-12-22T03:02:11Z |
Symmetric Ciphers |
Structure of AES |
15
|
2021-12-22T02:49:05Z |
Symmetric Ciphers |
Resisting Bruteforce |
10
|
2021-12-22T02:20:58Z |
Symmetric Ciphers |
Keyed Permutations |
5
|
2021-12-22T01:58:14Z |
Symmetric Ciphers |
Triple DES |
60
|
2021-12-22T01:57:24Z |
Symmetric Ciphers |
Stream of Consciousness |
80
|
2021-12-22T01:56:01Z |
Diffie-Hellman |
Parameter Injection |
60
|
2021-12-22T01:54:18Z |
Hash Functions |
MD0 |
80
|
2021-12-22T01:53:00Z |
Symmetric Ciphers |
Lazy CBC |
60
|
2021-12-22T01:52:29Z |
Symmetric Ciphers |
Flipping Cookie |
60
|
2021-12-22T01:51:46Z |
Diffie-Hellman |
Export-grade |
100
|
2021-12-22T01:47:30Z |
Symmetric Ciphers |
ECB Oracle |
60
|
2021-12-22T01:46:14Z |
Symmetric Ciphers |
CTRIME |
70
|
2021-12-22T01:37:56Z |
Symmetric Ciphers |
Bean Counter |
60
|
2021-12-22T01:31:30Z |
Elliptic Curves |
Smooth Criminal |
60
|
2021-12-21T23:54:10Z |
Elliptic Curves |
Efficient Exchange |
50
|
2021-12-21T22:39:16Z |
Elliptic Curves |
Curves and Logs |
40
|
2021-12-21T22:01:50Z |
Elliptic Curves |
Scalar Multiplication |
35
|
2021-12-21T21:59:34Z |
Elliptic Curves |
Point Addition |
30
|
2021-12-20T04:24:37Z |
Elliptic Curves |
Point Negation |
10
|
2021-12-20T03:22:51Z |
Mathematics |
Chinese Remainder Theorem |
40
|
2021-12-20T02:38:50Z |
Mathematics |
Modular Square Root |
35
|
2021-12-20T01:12:37Z |
Mathematics |
Legendre Symbol |
35
|
2021-12-19T23:28:31Z |
RSA |
Manyprime |
40
|
2021-12-19T23:28:09Z |
RSA |
Square Eyes |
35
|
2021-12-19T23:27:57Z |
RSA |
Inferius Prime |
30
|
2021-12-19T23:27:23Z |
General |
Transparency |
50
|
2021-12-19T23:27:11Z |
General |
SSH Keys |
35
|
2021-12-19T23:26:36Z |
General |
CERTainly not |
30
|
2021-12-19T23:25:39Z |
General |
Lemur XOR |
40
|
2021-12-19T23:25:31Z |
General |
You either know, XOR you don't |
30
|
2021-12-19T23:25:14Z |
General |
Favourite byte |
20
|
2021-12-19T23:25:07Z |
General |
XOR Properties |
15
|
2021-12-19T23:24:58Z |
General |
XOR Starter |
10
|
2021-12-19T23:24:51Z |
General |
Encoding Challenge |
40
|
2021-12-19T06:09:49Z |
RSA |
Monoprime |
30
|
2021-12-19T06:09:33Z |
RSA |
Factoring |
15
|
2021-12-19T06:08:14Z |
RSA |
RSA Decryption |
20
|
2021-12-19T06:08:05Z |
RSA |
Private Keys |
20
|
2021-12-10T01:12:34Z |
RSA |
Endless Emails |
150
|
2021-12-10T00:41:07Z |
RSA |
Everything is Still Big |
100
|
2021-12-08T06:11:38Z |
RSA |
Crossed Wires |
100
|
2021-12-08T05:53:13Z |
RSA |
Everything is Big |
70
|
2021-12-08T05:29:13Z |
RSA |
Modulus Inutilis |
50
|
2021-12-08T05:05:22Z |
RSA |
Salty |
20
|
2021-12-08T03:48:57Z |
RSA |
RSA Backdoor Viability |
175
|
2021-12-08T03:03:16Z |
RSA |
Ron was Wrong, Whit is Right |
90
|
2021-12-08T01:47:36Z |
RSA |
RSA Signatures |
25
|
2021-12-08T00:50:34Z |
RSA |
Fast Primes |
75
|
2021-12-03T07:41:26Z |
RSA |
Marin's Secrets |
50
|
2021-12-03T06:52:49Z |
RSA |
Infinite Descent |
50
|
2021-12-01T01:30:35Z |
RSA |
Public Keys |
15
|
2021-07-30T03:38:15Z |
Elliptic Curves |
Background Reading |
5
|
2021-07-13T14:19:36Z |
Mathematics |
Quadratic Residues |
25
|
2021-07-13T14:07:44Z |
General |
Privacy-Enhanced Mail? |
25
|
2021-07-13T13:59:27Z |
General |
Modular Inverting |
25
|
2021-07-13T13:57:26Z |
General |
Modular Arithmetic 2 |
20
|
2021-07-13T13:54:32Z |
General |
Modular Arithmetic 1 |
20
|
2021-07-13T13:23:07Z |
General |
Extended GCD |
20
|
2021-07-13T13:04:34Z |
General |
Greatest Common Divisor |
15
|
2021-07-13T12:57:03Z |
General |
Bytes and Big Integers |
10
|
2021-06-30T10:53:37Z |
RSA |
Euler's Totient |
20
|
2021-06-30T10:45:45Z |
RSA |
Modular Exponentiation |
10
|
2021-06-30T10:40:17Z |
General |
Base64 |
10
|
2021-06-30T10:38:28Z |
General |
Hex |
5
|
2021-06-30T10:37:21Z |
General |
ASCII |
5
|
2021-06-29T12:13:15Z |
Introduction |
Network Attacks |
5
|
2021-06-29T12:07:31Z |
Introduction |
Great Snakes |
3
|
2021-06-29T12:04:31Z |
Introduction |
Finding Flags |
2
|