| 2026-08-22T06:44:20Z |
Crypto on the Web |
Authenticated Handshake |
40
|
| 2026-08-22T06:40:50Z |
Crypto on the Web |
Decrypting TLS 1.3 |
35
|
| 2026-08-22T06:36:17Z |
Crypto on the Web |
Decrypting TLS 1.2 |
30
|
| 2026-08-22T06:30:02Z |
Crypto on the Web |
Saying Hello |
20
|
| 2026-08-22T06:25:54Z |
Crypto on the Web |
TLS Handshake |
15
|
| 2026-08-22T06:23:25Z |
Crypto on the Web |
Sharks on the Wire |
10
|
| 2026-07-29T02:19:19Z |
Crypto on the Web |
Secure Protocols |
5
|
| 2026-07-29T02:07:28Z |
Crypto on the Web |
RSA or HMAC? Part 2 |
100
|
| 2026-07-28T15:43:54Z |
Crypto on the Web |
JSON in JSON |
40
|
| 2026-07-28T15:23:34Z |
Crypto on the Web |
RSA or HMAC? |
35
|
| 2026-07-28T15:15:16Z |
Crypto on the Web |
JWT Secrets |
25
|
| 2026-07-28T15:04:03Z |
Crypto on the Web |
No Way JOSE |
20
|
| 2026-07-28T14:50:52Z |
Hash Functions |
WOTS Up 2 |
90
|
| 2026-07-28T12:58:11Z |
Hash Functions |
WOTS Up |
75
|
| 2026-07-26T23:59:22Z |
Hash Functions |
Merkle Trees |
25
|
| 2026-07-26T23:45:14Z |
Hash Functions |
Invariant |
250
|
| 2026-07-26T22:42:57Z |
Hash Functions |
Mixed Up |
120
|
| 2026-07-26T20:14:47Z |
Hash Functions |
MDFlag |
125
|
| 2026-07-26T15:55:44Z |
Hash Functions |
MD0 |
80
|
| 2026-07-21T17:36:46Z |
Hash Functions |
No Difference |
175
|
| 2026-07-21T05:08:22Z |
Hash Functions |
Twin Keys |
100
|
| 2026-07-20T10:54:52Z |
Elliptic Curves |
Edwards Goes Degenerate |
100
|
| 2026-07-20T10:45:05Z |
Elliptic Curves |
No Random, No Bias |
120
|
| 2026-07-20T08:00:05Z |
Elliptic Curves |
Montgomery's Ladder |
40
|
| 2026-07-20T07:50:54Z |
Elliptic Curves |
ProSign 3 |
100
|
| 2026-07-20T07:07:14Z |
Elliptic Curves |
Curveball |
100
|
| 2026-07-20T06:54:18Z |
Elliptic Curves |
Real Curve Crypto |
200
|
| 2026-07-19T07:51:32Z |
Elliptic Curves |
An Evil Twisted Mind |
175
|
| 2026-07-19T07:48:38Z |
Lattices |
LWE Intro |
10
|
| 2026-07-18T22:30:33Z |
Elliptic Curves |
Checkpoint |
150
|
| 2026-07-18T21:31:39Z |
Elliptic Curves |
An Exceptional Twisted Mind |
125
|
| 2026-07-18T20:47:42Z |
Elliptic Curves |
A Twisted Mind |
80
|
| 2026-07-18T18:23:51Z |
Elliptic Curves |
Moving Problems |
150
|
| 2026-07-18T17:55:19Z |
Elliptic Curves |
Elliptic Nodes |
150
|
| 2026-07-18T16:29:25Z |
Elliptic Curves |
Smooth Criminal |
60
|
| 2026-07-12T20:59:04Z |
Symmetric Ciphers |
Beatboxer |
150
|
| 2026-07-12T20:47:06Z |
Symmetric Ciphers |
Paper Plane |
120
|
| 2026-07-12T19:55:42Z |
Symmetric Ciphers |
Oracular Spectacular |
150
|
| 2026-07-12T18:43:53Z |
ZKPs |
ZKP Introduction |
5
|
| 2026-07-12T18:15:12Z |
Symmetric Ciphers |
The Good, The Pad, The Ugly |
100
|
| 2026-07-12T17:38:22Z |
Symmetric Ciphers |
Pad Thai |
80
|
| 2026-07-12T16:57:43Z |
Symmetric Ciphers |
Oh SNAP |
120
|
| 2026-07-12T16:15:27Z |
Symmetric Ciphers |
Dancing Queen |
120
|
| 2026-07-12T14:40:29Z |
CTF Archive |
1337crypt (DownUnderCTF) |
0
|
| 2026-07-12T13:40:59Z |
RSA |
Let's Decrypt Again |
175
|
| 2025-09-13T15:38:14Z |
Hash Functions |
PriMeD5 |
100
|
| 2025-09-12T18:05:55Z |
Hash Functions |
Hash Stuffing |
50
|
| 2025-09-12T17:59:50Z |
Hash Functions |
Collider |
50
|
| 2025-09-12T17:33:26Z |
Hash Functions |
Jack's Birthday Confusion |
30
|
| 2025-09-12T16:57:25Z |
Hash Functions |
Jack's Birthday Hash |
20
|
| 2023-10-27T04:31:34Z |
Lattices |
LWE Background |
5
|
| 2023-10-04T18:16:34Z |
Symmetric Ciphers |
Forbidden Fruit |
150
|
| 2023-08-20T09:04:13Z |
CTF Archive |
Sign in Please (HKCERT CTF) |
0
|
| 2023-08-20T09:02:08Z |
CTF Archive |
Calm Down (HKCERT CTF) |
0
|
| 2023-08-20T08:54:20Z |
CTF Archive |
2020 (TETCTF) |
0
|
| 2023-08-14T16:31:56Z |
Elliptic Curves |
Micro Transmissions |
120
|
| 2023-08-14T16:18:07Z |
Elliptic Curves |
Exceptional Curves |
100
|
| 2023-08-14T15:51:00Z |
Elliptic Curves |
Double and Broken |
50
|
| 2023-08-14T15:14:56Z |
Misc |
Toshi's Treasure |
150
|
| 2023-08-14T15:12:08Z |
Misc |
Armory |
100
|
| 2023-08-14T14:52:28Z |
Misc |
Bit by Bit |
100
|
| 2023-08-14T14:32:55Z |
Misc |
L-Win |
120
|
| 2023-08-14T14:27:18Z |
Misc |
Trust Games |
150
|
| 2023-08-14T14:03:45Z |
Misc |
RSA vs RNG |
150
|
| 2023-08-14T13:40:10Z |
Misc |
No Leaks |
100
|
| 2023-08-14T13:31:21Z |
Misc |
Nothing Up My Sleeve |
150
|
| 2023-08-14T13:25:47Z |
Misc |
Lo-Hi Card Game |
120
|
| 2023-08-14T13:18:50Z |
Misc |
Gotta Go Fast |
40
|
| 2023-08-06T06:19:49Z |
Elliptic Curves |
Digestive |
60
|
| 2023-02-18T03:41:47Z |
Mathematics |
Prime and Prejudice |
200
|
| 2023-02-18T03:39:49Z |
Mathematics |
Cofactor Cofantasy |
150
|
| 2023-02-18T03:39:20Z |
Mathematics |
Real Eisenstein |
150
|
| 2023-02-18T03:34:26Z |
Mathematics |
Unencryptable |
125
|
| 2023-02-18T03:33:23Z |
Mathematics |
Roll your Own |
125
|
| 2023-02-17T02:37:53Z |
Symmetric Ciphers |
Stream of Consciousness |
80
|
| 2023-02-16T18:39:04Z |
Symmetric Ciphers |
ECB Oracle |
60
|
| 2023-02-16T18:36:21Z |
Symmetric Ciphers |
Flipping Cookie |
60
|
| 2023-02-16T18:32:56Z |
Symmetric Ciphers |
Symmetry |
50
|
| 2023-02-16T18:31:07Z |
Symmetric Ciphers |
Bean Counter |
60
|
| 2023-02-16T18:28:59Z |
Symmetric Ciphers |
Lazy CBC |
60
|
| 2023-02-16T18:27:28Z |
Symmetric Ciphers |
Logon Zero |
80
|
| 2023-02-16T18:18:51Z |
Symmetric Ciphers |
CTRIME |
70
|
| 2023-02-16T18:16:59Z |
Symmetric Ciphers |
Triple DES |
60
|
| 2023-02-16T18:06:58Z |
Symmetric Ciphers |
ECB CBC WTF |
55
|
| 2023-02-16T17:09:53Z |
Symmetric Ciphers |
Bringing It All Together |
50
|
| 2023-02-16T17:05:02Z |
Symmetric Ciphers |
Passwords as Keys |
50
|
| 2023-02-16T16:58:21Z |
Symmetric Ciphers |
Modes of Operation Starter |
15
|
| 2023-02-16T16:02:30Z |
Symmetric Ciphers |
Diffusion through Permutation |
30
|
| 2023-02-15T13:38:22Z |
Mathematics |
Ellipse Curve Cryptography |
125
|
| 2023-02-15T13:35:14Z |
Lattices |
Find the Lattice |
100
|
| 2023-02-15T13:21:09Z |
Mathematics |
No Way Back Home |
100
|
| 2023-02-15T13:19:24Z |
Mathematics |
Broken RSA |
100
|
| 2023-02-11T15:19:22Z |
RSA |
Vote for Pedro |
150
|
| 2023-02-11T15:17:01Z |
RSA |
Blinding Light |
120
|
| 2023-02-11T15:15:05Z |
RSA |
Let's Decrypt |
80
|
| 2023-02-11T15:13:37Z |
RSA |
Signing Server |
60
|
| 2023-02-11T15:10:21Z |
RSA |
Null or Never |
100
|
| 2023-02-11T15:08:35Z |
RSA |
Bespoke Padding |
100
|
| 2023-02-11T15:04:58Z |
RSA |
Ron was Wrong, Whit is Right |
90
|
| 2023-02-11T15:01:52Z |
Diffie-Hellman |
The Matrix |
75
|
| 2023-02-11T14:25:55Z |
Diffie-Hellman |
The Matrix Revolutions |
125
|
| 2023-02-11T14:25:03Z |
Diffie-Hellman |
The Matrix Reloaded |
100
|
| 2023-02-11T14:21:55Z |
Diffie-Hellman |
Script Kiddie |
70
|
| 2023-02-11T14:18:44Z |
Diffie-Hellman |
Static Client 2 |
120
|
| 2023-02-11T14:16:55Z |
Diffie-Hellman |
Additive |
70
|
| 2023-02-11T14:15:39Z |
Diffie-Hellman |
Static Client |
100
|
| 2023-02-11T14:14:10Z |
Diffie-Hellman |
Export-grade |
100
|
| 2023-02-11T14:11:58Z |
Diffie-Hellman |
Parameter Injection |
60
|
| 2023-02-11T13:13:57Z |
Symmetric Ciphers |
Confusion through Substitution |
25
|
| 2023-02-10T10:01:50Z |
Symmetric Ciphers |
Round Keys |
20
|
| 2023-02-10T09:58:55Z |
Symmetric Ciphers |
Structure of AES |
15
|
| 2023-02-10T09:54:02Z |
Symmetric Ciphers |
Resisting Bruteforce |
10
|
| 2023-02-10T09:49:47Z |
Symmetric Ciphers |
Keyed Permutations |
5
|
| 2023-02-10T09:42:12Z |
General |
Transparency |
50
|
| 2023-02-10T09:33:37Z |
General |
CERTainly not |
30
|
| 2023-02-10T08:59:44Z |
General |
SSH Keys |
35
|
| 2023-02-10T08:44:20Z |
Crypto on the Web |
JWT Sessions |
10
|
| 2023-02-10T08:40:41Z |
Crypto on the Web |
Token Appreciation |
5
|
| 2023-02-10T08:29:40Z |
Mathematics |
Successive Powers |
60
|
| 2023-02-10T08:16:04Z |
Lattices |
Backpack Cryptography |
120
|
| 2023-02-10T07:58:52Z |
Lattices |
Gaussian Reduction |
50
|
| 2023-02-10T07:46:25Z |
Lattices |
Gram Schmidt |
30
|
| 2023-02-10T07:19:45Z |
General |
Lemur XOR |
40
|
| 2023-02-10T07:10:15Z |
General |
Privacy-Enhanced Mail? |
25
|
| 2023-02-10T06:46:35Z |
General |
Encoding Challenge |
40
|
| 2023-02-10T06:38:39Z |
RSA |
RSA Backdoor Viability |
175
|
| 2023-02-10T05:11:03Z |
RSA |
Fast Primes |
75
|
| 2023-02-10T05:08:59Z |
RSA |
Marin's Secrets |
50
|
| 2023-02-10T05:06:40Z |
RSA |
Infinite Descent |
50
|
| 2023-02-10T05:01:05Z |
RSA |
Crossed Wires |
100
|
| 2023-02-10T05:00:44Z |
RSA |
Endless Emails |
150
|
| 2023-02-10T04:34:16Z |
RSA |
Everything is Still Big |
100
|
| 2023-02-10T04:32:48Z |
RSA |
Everything is Big |
70
|
| 2023-02-10T04:16:09Z |
RSA |
Square Eyes |
35
|
| 2023-02-10T04:01:31Z |
RSA |
Inferius Prime |
30
|
| 2023-01-17T11:03:05Z |
Elliptic Curves |
Efficient Exchange |
50
|
| 2023-01-17T11:02:22Z |
Elliptic Curves |
Curves and Logs |
40
|
| 2023-01-17T11:01:53Z |
Elliptic Curves |
Scalar Multiplication |
35
|
| 2023-01-17T11:01:09Z |
Elliptic Curves |
Point Addition |
30
|
| 2023-01-17T11:00:09Z |
Elliptic Curves |
Point Negation |
10
|
| 2023-01-17T10:59:01Z |
Elliptic Curves |
Background Reading |
5
|
| 2023-01-17T00:50:26Z |
Diffie-Hellman |
Deriving Symmetric Keys |
40
|
| 2023-01-17T00:44:50Z |
Diffie-Hellman |
Computing Shared Secrets |
30
|
| 2023-01-17T00:43:16Z |
Diffie-Hellman |
Computing Public Values |
25
|
| 2023-01-17T00:39:29Z |
Diffie-Hellman |
Generators of Groups |
20
|
| 2023-01-17T00:34:33Z |
Diffie-Hellman |
Working with Fields |
10
|
| 2023-01-17T00:33:14Z |
RSA |
Modulus Inutilis |
50
|
| 2023-01-17T00:30:52Z |
RSA |
Manyprime |
40
|
| 2023-01-17T00:16:01Z |
RSA |
Monoprime |
30
|
| 2023-01-17T00:08:55Z |
RSA |
Salty |
20
|
| 2023-01-17T00:01:13Z |
RSA |
Factoring |
15
|
| 2023-01-16T23:59:03Z |
RSA |
RSA Signatures |
25
|
| 2023-01-16T23:50:33Z |
Mathematics |
Adrien's Signs |
80
|
| 2022-06-12T15:20:41Z |
Mathematics |
Modular Binomials |
80
|
| 2022-04-21T09:17:30Z |
Introduction |
Network Attacks |
5
|
| 2022-02-27T03:09:46Z |
Lattices |
What's a Lattice? |
40
|
| 2022-02-27T01:15:40Z |
Lattices |
Size and Basis |
15
|
| 2022-02-27T01:13:22Z |
Lattices |
Vectors |
10
|
| 2022-02-26T11:03:22Z |
RSA |
RSA Decryption |
20
|
| 2022-02-26T09:24:59Z |
RSA |
Private Keys |
20
|
| 2022-02-26T09:14:24Z |
RSA |
Euler's Totient |
20
|
| 2022-02-26T09:11:19Z |
RSA |
Public Keys |
15
|
| 2022-02-26T09:08:13Z |
RSA |
Modular Exponentiation |
10
|
| 2022-02-26T07:56:40Z |
Mathematics |
Chinese Remainder Theorem |
40
|
| 2022-02-26T07:36:39Z |
Mathematics |
Modular Square Root |
35
|
| 2022-02-26T05:11:26Z |
Mathematics |
Legendre Symbol |
35
|
| 2022-02-26T04:37:55Z |
Mathematics |
Quadratic Residues |
25
|
| 2022-02-26T04:20:44Z |
General |
Modular Inverting |
25
|
| 2022-02-26T04:17:18Z |
General |
Modular Arithmetic 2 |
20
|
| 2022-02-26T04:08:17Z |
General |
Modular Arithmetic 1 |
20
|
| 2022-02-26T03:53:19Z |
General |
Extended GCD |
20
|
| 2022-02-26T02:14:19Z |
General |
Greatest Common Divisor |
15
|
| 2022-02-16T06:56:43Z |
General |
You either know, XOR you don't |
30
|
| 2022-01-31T16:03:43Z |
General |
Favourite byte |
20
|
| 2022-01-31T15:09:20Z |
General |
XOR Properties |
15
|
| 2022-01-31T14:55:31Z |
General |
XOR Starter |
10
|
| 2022-01-31T14:48:42Z |
General |
Bytes and Big Integers |
10
|
| 2022-01-26T16:25:04Z |
General |
Base64 |
10
|
| 2022-01-26T16:21:04Z |
General |
Hex |
5
|
| 2022-01-26T16:17:20Z |
General |
ASCII |
5
|
| 2022-01-26T16:06:34Z |
Introduction |
Great Snakes |
3
|
| 2022-01-26T15:37:05Z |
Introduction |
Finding Flags |
2
|