2024-01-26T17:21:10Z |
CTF Archive |
Cipher Mode Picker (HKCERT CTF) |
0
|
2024-01-14T22:26:43Z |
CTF Archive |
RRSSAA (ECSC 2023 (Norway)) |
0
|
2024-01-14T14:49:49Z |
CTF Archive |
Unimplemented (TETCTF) |
0
|
2023-09-19T14:37:58Z |
Misc |
LFSR Destroyer |
250
|
2023-09-12T14:44:16Z |
Hash Functions |
Invariant |
250
|
2023-09-09T01:06:32Z |
Symmetric Ciphers |
Beatboxer |
150
|
2023-08-31T20:01:42Z |
Misc |
Trust Games |
150
|
2023-08-31T17:20:51Z |
Crypto on the Web |
Authenticated Handshake |
40
|
2023-08-31T14:17:29Z |
Misc |
Nothing Up My Sleeve |
150
|
2023-08-30T09:22:38Z |
Crypto on the Web |
Megalomaniac 3 |
120
|
2023-08-29T11:06:11Z |
Crypto on the Web |
Megalomaniac 2 |
120
|
2023-08-28T13:09:11Z |
Crypto on the Web |
Megalomaniac 1 |
100
|
2023-08-20T11:15:30Z |
Misc |
Jeff's LFSR |
150
|
2023-08-18T13:16:15Z |
Elliptic Curves |
Real Curve Crypto |
200
|
2023-08-03T21:21:40Z |
Misc |
Bruce Schneier's Password: Part 2 |
250
|
2023-07-28T17:17:21Z |
Misc |
L-Win |
120
|
2023-07-27T00:20:41Z |
Misc |
Toshi's Treasure |
150
|
2023-07-25T20:25:45Z |
Symmetric Ciphers |
Oh SNAP |
120
|
2023-07-25T12:37:33Z |
CTF Archive |
1337crypt (DownUnderCTF) |
0
|
2023-07-22T15:43:33Z |
Crypto on the Web |
RSA or HMAC? Part 2 |
100
|
2023-07-20T16:38:49Z |
Misc |
Lo-Hi Card Game |
120
|
2023-07-20T14:32:48Z |
Hash Functions |
Mixed Up |
120
|
2023-07-20T14:10:52Z |
Hash Functions |
Twin Keys |
100
|
2023-07-20T14:07:32Z |
Hash Functions |
MDFlag |
125
|
2023-07-17T18:52:15Z |
Symmetric Ciphers |
Dancing Queen |
120
|
2023-07-14T23:18:14Z |
Diffie-Hellman |
The Matrix Revolutions |
125
|
2023-07-04T19:53:14Z |
Symmetric Ciphers |
Forbidden Fruit |
150
|
2023-07-02T22:10:04Z |
Symmetric Ciphers |
Paper Plane |
120
|
2023-06-30T16:01:35Z |
Elliptic Curves |
No Random, No Bias |
120
|
2023-06-28T18:54:10Z |
Misc |
RSA vs RNG |
150
|
2023-06-27T23:49:31Z |
Misc |
Armory |
100
|
2023-06-27T22:42:32Z |
Elliptic Curves |
Edwards Goes Degenerate |
100
|
2023-06-27T15:46:29Z |
Elliptic Curves |
Double and Broken |
50
|
2023-06-26T12:08:17Z |
Crypto on the Web |
Decrypting TLS 1.3 |
35
|
2023-06-26T11:30:47Z |
Crypto on the Web |
Decrypting TLS 1.2 |
30
|
2023-06-26T00:36:11Z |
Misc |
Bit by Bit |
100
|
2023-06-25T19:07:48Z |
Crypto on the Web |
Saying Hello |
20
|
2023-06-25T18:44:58Z |
Crypto on the Web |
TLS Handshake |
15
|
2023-06-25T17:52:08Z |
Crypto on the Web |
Sharks on the Wire |
10
|
2023-06-25T16:29:44Z |
Crypto on the Web |
RSA or HMAC? |
35
|
2023-06-25T00:55:22Z |
Crypto on the Web |
Secure Protocols |
5
|
2023-06-25T00:51:33Z |
Crypto on the Web |
JSON in JSON |
40
|
2023-06-24T21:42:32Z |
Crypto on the Web |
JWT Secrets |
25
|
2023-06-24T21:36:21Z |
Crypto on the Web |
No Way JOSE |
20
|
2023-06-24T20:52:08Z |
CTF Archive |
d-phi-enc (HackTM CTF) |
0
|
2023-06-24T15:10:15Z |
Elliptic Curves |
Digestive |
60
|
2023-06-23T17:24:13Z |
Symmetric Ciphers |
Triple DES |
60
|
2023-06-23T15:00:00Z |
Elliptic Curves |
Elliptic Nodes |
150
|
2023-06-22T23:37:07Z |
Misc |
No Leaks |
100
|
2023-06-22T12:52:47Z |
Elliptic Curves |
Micro Transmissions |
120
|
2023-06-22T12:06:53Z |
Elliptic Curves |
ProSign 3 |
100
|
2023-06-20T22:01:45Z |
Hash Functions |
MD0 |
80
|
2023-04-30T21:52:29Z |
CTF Archive |
Lack of Entropy (Firebird Internal CTF) |
0
|
2023-03-04T21:18:59Z |
Misc |
Gotta Go Fast |
40
|
2022-12-24T14:01:44Z |
Post-Quantum |
Noise Cheap |
90
|
2022-12-24T14:01:23Z |
Post-Quantum |
Missing Modulus |
80
|
2022-12-24T13:08:27Z |
Post-Quantum |
Nativity |
60
|
2022-12-19T18:18:09Z |
Hash Functions |
No Difference |
175
|
2022-12-19T18:16:21Z |
Post-Quantum |
Too Many Errors |
100
|
2022-12-15T22:07:26Z |
Post-Quantum |
Noise Free |
40
|
2022-12-15T20:43:50Z |
Post-Quantum |
From Private to Public Key LWE |
25
|
2022-12-15T20:40:39Z |
Post-Quantum |
LWE Low Bits Message |
20
|
2022-12-15T20:32:54Z |
Post-Quantum |
LWE High Bits Message |
15
|
2022-12-15T20:25:30Z |
Post-Quantum |
LWE Intro |
10
|
2022-12-15T20:24:25Z |
Post-Quantum |
LWE Background |
5
|
2022-12-12T11:32:59Z |
RSA |
Let's Decrypt Again |
175
|
2022-11-11T17:20:57Z |
Hash Functions |
PriMeD5 |
100
|
2022-11-11T17:18:18Z |
Hash Functions |
Hash Stuffing |
50
|
2022-11-11T17:17:56Z |
Hash Functions |
Collider |
50
|
2022-11-11T17:17:44Z |
Hash Functions |
Jack's Birthday Confusion |
30
|
2022-11-11T17:13:27Z |
Symmetric Ciphers |
Stream of Consciousness |
80
|
2022-11-11T17:12:26Z |
Symmetric Ciphers |
Lazy CBC |
60
|
2022-11-11T17:12:05Z |
Symmetric Ciphers |
Logon Zero |
80
|
2022-11-11T17:11:49Z |
Symmetric Ciphers |
CTRIME |
70
|
2022-11-11T17:09:51Z |
Mathematics |
Cofactor Cofantasy |
150
|
2022-10-29T19:31:41Z |
Diffie-Hellman |
The Matrix Reloaded |
100
|
2022-10-28T13:49:14Z |
RSA |
Vote for Pedro |
150
|
2022-10-28T13:03:04Z |
RSA |
Blinding Light |
120
|
2022-10-28T12:36:54Z |
RSA |
Let's Decrypt |
80
|
2022-10-27T20:24:07Z |
Mathematics |
Real Eisenstein |
150
|
2022-10-24T22:58:14Z |
Symmetric Ciphers |
Bean Counter |
60
|
2022-10-24T22:57:06Z |
Symmetric Ciphers |
Symmetry |
50
|
2022-10-24T17:55:23Z |
Symmetric Ciphers |
Flipping Cookie |
60
|
2022-10-24T17:55:13Z |
Symmetric Ciphers |
ECB Oracle |
60
|
2022-10-24T17:53:55Z |
Symmetric Ciphers |
ECB CBC WTF |
55
|
2022-10-24T16:54:26Z |
RSA |
Null or Never |
100
|
2022-10-24T16:24:38Z |
RSA |
Bespoke Padding |
100
|
2022-10-24T16:11:49Z |
RSA |
RSA Backdoor Viability |
175
|
2022-10-24T16:04:34Z |
RSA |
Ron was Wrong, Whit is Right |
90
|
2022-10-20T14:32:59Z |
RSA |
Endless Emails |
150
|
2022-10-19T22:17:40Z |
Misc |
Bruce Schneier's Password |
100
|
2022-10-18T23:08:04Z |
Mathematics |
Unencryptable |
125
|
2022-10-18T16:15:12Z |
Elliptic Curves |
Exceptional Curves |
100
|
2022-10-18T01:05:49Z |
Crypto on the Web |
JWT Sessions |
10
|
2022-10-18T01:04:19Z |
Crypto on the Web |
Token Appreciation |
5
|
2022-10-16T20:18:28Z |
Mathematics |
Roll your Own |
125
|
2022-10-15T19:57:46Z |
Mathematics |
Ellipse Curve Cryptography |
125
|
2022-10-15T13:39:21Z |
Diffie-Hellman |
The Matrix |
75
|
2022-10-15T12:40:45Z |
Diffie-Hellman |
Script Kiddie |
70
|
2022-10-13T18:13:38Z |
Symmetric Ciphers |
Passwords as Keys |
50
|
2022-10-13T14:52:23Z |
Symmetric Ciphers |
Modes of Operation Starter |
15
|
2022-10-13T14:45:13Z |
Symmetric Ciphers |
Bringing It All Together |
50
|
2022-10-13T01:24:28Z |
Mathematics |
Backpack Cryptography |
120
|
2022-10-12T13:26:37Z |
Symmetric Ciphers |
Diffusion through Permutation |
30
|
2022-10-12T13:08:25Z |
Symmetric Ciphers |
Confusion through Substitution |
25
|
2022-10-12T12:52:59Z |
Symmetric Ciphers |
Round Keys |
20
|
2022-10-12T00:41:53Z |
Diffie-Hellman |
Static Client 2 |
120
|
2022-10-11T10:55:55Z |
Elliptic Curves |
Curveball |
100
|
2022-10-11T09:53:36Z |
Elliptic Curves |
Moving Problems |
150
|
2022-10-11T02:21:12Z |
RSA |
Signing Server |
60
|
2022-10-11T01:12:18Z |
RSA |
Fast Primes |
75
|
2022-10-10T23:51:11Z |
RSA |
Marin's Secrets |
50
|
2022-10-10T22:36:28Z |
Mathematics |
Successive Powers |
60
|
2022-10-10T21:22:36Z |
Mathematics |
No Way Back Home |
100
|
2022-10-10T17:45:55Z |
RSA |
Infinite Descent |
50
|
2022-10-10T17:09:44Z |
RSA |
Crossed Wires |
100
|
2022-10-10T16:33:22Z |
RSA |
Everything is Still Big |
100
|
2022-10-10T16:28:19Z |
RSA |
Everything is Big |
70
|
2022-10-09T21:57:33Z |
Mathematics |
Prime and Prejudice |
200
|
2022-10-09T19:41:51Z |
Hash Functions |
Jack's Birthday Hash |
20
|
2022-10-09T18:25:53Z |
Diffie-Hellman |
Additive |
70
|
2022-10-09T18:15:59Z |
Diffie-Hellman |
Static Client |
100
|
2022-10-09T17:41:27Z |
Diffie-Hellman |
Export-grade |
100
|
2022-10-09T16:58:02Z |
Diffie-Hellman |
Parameter Injection |
60
|
2022-10-08T23:27:06Z |
Elliptic Curves |
Smooth Criminal |
60
|
2022-10-08T21:56:16Z |
Elliptic Curves |
Montgomery's Ladder |
40
|
2022-10-08T13:32:07Z |
General |
Encoding Challenge |
40
|
2022-10-08T12:29:10Z |
Mathematics |
Broken RSA |
100
|
2022-10-08T11:57:03Z |
Mathematics |
Gram Schmidt |
30
|
2022-10-08T02:03:28Z |
Mathematics |
Find the Lattice |
100
|
2022-10-08T01:45:03Z |
Mathematics |
Gaussian Reduction |
50
|
2022-10-08T01:42:49Z |
Mathematics |
What's a Lattice? |
40
|
2022-10-08T01:23:54Z |
Mathematics |
Size and Basis |
15
|
2022-10-08T01:23:27Z |
Mathematics |
Vectors |
10
|
2022-10-08T01:18:34Z |
General |
Lemur XOR |
40
|
2022-10-08T01:04:21Z |
General |
Transparency |
50
|
2022-10-08T00:56:25Z |
General |
SSH Keys |
35
|
2022-10-08T00:29:31Z |
General |
CERTainly not |
30
|
2022-10-08T00:23:11Z |
General |
Privacy-Enhanced Mail? |
25
|
2022-10-07T18:18:31Z |
Elliptic Curves |
Efficient Exchange |
50
|
2022-10-07T17:59:48Z |
Elliptic Curves |
Curves and Logs |
40
|
2022-10-07T17:56:11Z |
Elliptic Curves |
Scalar Multiplication |
35
|
2022-10-07T17:54:56Z |
Elliptic Curves |
Point Addition |
30
|
2022-10-07T17:27:41Z |
Elliptic Curves |
Point Negation |
10
|
2022-10-07T17:23:24Z |
Elliptic Curves |
Background Reading |
5
|
2022-10-07T10:10:46Z |
Diffie-Hellman |
Diffie-Hellman Starter 5 |
40
|
2022-10-07T02:49:08Z |
Diffie-Hellman |
Diffie-Hellman Starter 4 |
30
|
2022-10-07T02:46:39Z |
Diffie-Hellman |
Diffie-Hellman Starter 3 |
20
|
2022-10-07T02:45:03Z |
Diffie-Hellman |
Diffie-Hellman Starter 2 |
20
|
2022-10-07T02:44:36Z |
Diffie-Hellman |
Diffie-Hellman Starter 1 |
10
|
2022-10-07T01:09:27Z |
RSA |
Modulus Inutilis |
50
|
2022-10-07T00:52:37Z |
RSA |
Salty |
20
|
2022-10-07T00:51:07Z |
RSA |
Manyprime |
40
|
2022-10-07T00:42:53Z |
RSA |
Square Eyes |
35
|
2022-10-07T00:39:19Z |
RSA |
Monoprime |
30
|
2022-10-07T00:25:19Z |
RSA |
Inferius Prime |
30
|
2022-10-06T23:49:35Z |
RSA |
Factoring |
15
|
2022-10-06T23:49:02Z |
RSA |
RSA Starter 6 |
25
|
2022-10-06T23:44:46Z |
RSA |
RSA Starter 5 |
20
|
2022-10-06T23:41:30Z |
RSA |
RSA Starter 4 |
20
|
2022-10-06T23:39:52Z |
RSA |
RSA Starter 3 |
20
|
2022-10-06T23:39:31Z |
RSA |
RSA Starter 2 |
15
|
2022-10-06T23:38:50Z |
RSA |
RSA Starter 1 |
10
|
2022-10-06T23:09:06Z |
Introduction |
Network Attacks |
5
|
2022-10-06T21:19:50Z |
Symmetric Ciphers |
Structure of AES |
15
|
2022-10-06T21:04:29Z |
Symmetric Ciphers |
Resisting Bruteforce |
10
|
2022-10-06T20:54:34Z |
Symmetric Ciphers |
Keyed Permutations |
5
|
2022-10-06T19:47:08Z |
Mathematics |
Modular Binomials |
80
|
2022-10-06T17:47:52Z |
Mathematics |
Adrien's Signs |
80
|
2022-10-06T17:27:18Z |
Mathematics |
Chinese Remainder Theorem |
40
|
2022-10-06T17:23:10Z |
Mathematics |
Modular Square Root |
35
|
2022-10-06T17:16:55Z |
Mathematics |
Legendre Symbol |
35
|
2022-10-06T16:58:26Z |
Mathematics |
Quadratic Residues |
25
|
2022-10-06T16:54:46Z |
General |
Modular Inverting |
25
|
2022-10-06T16:53:08Z |
General |
Modular Arithmetic 2 |
20
|
2022-10-06T16:52:15Z |
General |
Modular Arithmetic 1 |
20
|
2022-10-06T16:50:38Z |
General |
Extended GCD |
20
|
2022-10-06T16:42:35Z |
General |
Greatest Common Divisor |
15
|
2022-10-06T16:22:04Z |
General |
You either know, XOR you don't |
30
|
2022-10-06T14:13:21Z |
General |
Favourite byte |
20
|
2022-10-06T13:31:11Z |
General |
XOR Properties |
15
|
2022-10-06T12:48:12Z |
General |
XOR Starter |
10
|
2022-10-06T12:35:02Z |
General |
Bytes and Big Integers |
10
|
2022-10-06T12:27:10Z |
General |
Base64 |
10
|
2022-10-06T12:24:16Z |
General |
Hex |
5
|
2022-10-06T12:18:55Z |
General |
ASCII |
5
|
2022-10-06T12:14:21Z |
Introduction |
Great Snakes |
3
|
2022-10-06T12:07:11Z |
Introduction |
Finding Flags |
2
|