2022-10-05T06:39:31Z |
CTF Archive |
1337crypt (DownUnderCTF) |
0
|
2022-10-04T09:11:21Z |
Mathematics |
Prime and Prejudice |
200
|
2022-10-03T19:37:24Z |
RSA |
RSA Backdoor Viability |
175
|
2022-09-29T13:10:29Z |
Hash Functions |
MDFlag |
125
|
2022-09-29T10:12:43Z |
Hash Functions |
Twin Keys |
100
|
2022-09-27T18:58:06Z |
RSA |
Fast Primes |
75
|
2022-09-27T08:07:52Z |
RSA |
Everything is Still Big |
100
|
2022-08-11T13:29:28Z |
RSA |
Endless Emails |
150
|
2022-07-18T05:50:15Z |
Misc |
LFSR Destroyer |
250
|
2022-07-11T21:39:16Z |
Elliptic Curves |
Moving Problems |
150
|
2022-07-10T19:53:11Z |
Symmetric Ciphers |
Oh SNAP |
120
|
2022-07-09T21:12:16Z |
Misc |
Jeff's LFSR |
150
|
2022-07-09T14:34:25Z |
Hash Functions |
Invariant |
250
|
2022-07-09T13:36:25Z |
Mathematics |
Backpack Cryptography |
120
|
2022-07-08T06:04:12Z |
Misc |
Trust Games |
150
|
2022-07-07T20:41:08Z |
Symmetric Ciphers |
Beatboxer |
150
|
2022-07-07T19:34:57Z |
Symmetric Ciphers |
Dancing Queen |
120
|
2022-07-06T21:41:14Z |
Elliptic Curves |
No Random, No Bias |
120
|
2022-07-06T20:56:33Z |
Mathematics |
Real Eisenstein |
150
|
2022-07-05T21:12:57Z |
Mathematics |
Cofactor Cofantasy |
150
|
2022-07-05T20:24:32Z |
Elliptic Curves |
Double and Broken |
50
|
2022-07-05T19:47:09Z |
RSA |
Null or Never |
100
|
2022-07-05T07:02:16Z |
Misc |
Bruce Schneier's Password: Part 2 |
250
|
2022-07-04T22:33:35Z |
Symmetric Ciphers |
Forbidden Fruit |
150
|
2022-07-03T22:10:23Z |
RSA |
Let's Decrypt Again |
175
|
2022-07-03T21:12:19Z |
RSA |
Let's Decrypt |
80
|
2022-07-03T20:55:01Z |
Crypto on the Web |
RSA or HMAC? Part 2 |
100
|
2022-07-03T20:12:00Z |
Crypto on the Web |
RSA or HMAC? |
35
|
2022-07-03T19:49:31Z |
Symmetric Ciphers |
Paper Plane |
120
|
2022-07-03T19:15:56Z |
Symmetric Ciphers |
Logon Zero |
80
|
2022-07-03T08:27:30Z |
Mathematics |
Find the Lattice |
100
|
2022-07-02T09:04:58Z |
Misc |
Toshi's Treasure |
150
|
2022-07-01T20:12:01Z |
Hash Functions |
PriMeD5 |
100
|
2022-07-01T06:08:00Z |
Hash Functions |
No Difference |
175
|
2022-07-01T05:03:36Z |
RSA |
Ron was Wrong, Whit is Right |
90
|
2022-06-30T23:04:40Z |
Post-Quantum |
Too Many Errors |
100
|
2022-06-30T22:38:07Z |
Crypto on the Web |
JSON in JSON |
40
|
2022-06-30T22:31:17Z |
Elliptic Curves |
Montgomery's Ladder |
40
|
2022-06-30T22:06:59Z |
RSA |
Everything is Big |
70
|
2022-06-30T05:36:57Z |
Misc |
Armory |
100
|
2022-06-29T22:07:10Z |
Misc |
L-Win |
120
|
2022-06-29T21:15:17Z |
Diffie-Hellman |
Static Client 2 |
120
|
2022-06-29T21:08:31Z |
Diffie-Hellman |
Static Client |
100
|
2022-06-29T20:22:42Z |
Symmetric Ciphers |
CTRIME |
70
|
2022-06-29T19:45:00Z |
Symmetric Ciphers |
Triple DES |
60
|
2022-06-29T19:27:42Z |
Mathematics |
Gram Schmidt |
30
|
2022-06-29T05:51:49Z |
Misc |
Nothing Up My Sleeve |
150
|
2022-06-29T05:00:26Z |
Elliptic Curves |
ProSign 3 |
100
|
2022-06-29T04:21:02Z |
Elliptic Curves |
Curveball |
100
|
2022-06-29T04:04:49Z |
Hash Functions |
MD0 |
80
|
2022-06-28T21:28:07Z |
RSA |
Manyprime |
40
|
2022-06-28T20:55:27Z |
Crypto on the Web |
JWT Secrets |
25
|
2022-06-28T20:44:34Z |
Diffie-Hellman |
The Matrix Revolutions |
125
|
2022-06-28T20:14:57Z |
Diffie-Hellman |
The Matrix Reloaded |
100
|
2022-06-28T19:17:16Z |
RSA |
Infinite Descent |
50
|
2022-06-28T18:54:28Z |
RSA |
Salty |
20
|
2022-06-28T18:47:33Z |
RSA |
Inferius Prime |
30
|
2022-06-28T18:37:56Z |
Crypto on the Web |
No Way JOSE |
20
|
2022-06-28T18:27:55Z |
General |
Transparency |
50
|
2022-06-28T18:14:07Z |
Symmetric Ciphers |
ECB Oracle |
60
|
2022-06-28T17:52:40Z |
Symmetric Ciphers |
Bringing It All Together |
50
|
2022-06-28T17:43:10Z |
Symmetric Ciphers |
Diffusion through Permutation |
30
|
2022-06-28T17:38:47Z |
Symmetric Ciphers |
Confusion through Substitution |
25
|
2022-06-28T17:36:22Z |
Symmetric Ciphers |
Round Keys |
20
|
2022-06-28T17:34:32Z |
Symmetric Ciphers |
Structure of AES |
15
|
2022-06-28T17:32:29Z |
Symmetric Ciphers |
Resisting Bruteforce |
10
|
2022-06-28T06:14:11Z |
Symmetric Ciphers |
Bean Counter |
60
|
2022-06-28T06:02:49Z |
Symmetric Ciphers |
Symmetry |
50
|
2022-06-28T05:57:25Z |
Symmetric Ciphers |
Modes of Operation Starter |
15
|
2022-06-28T05:02:25Z |
Elliptic Curves |
Edwards Goes Degenerate |
100
|
2022-06-27T22:27:53Z |
Misc |
Bruce Schneier's Password |
100
|
2022-06-27T22:07:11Z |
Misc |
Bit by Bit |
100
|
2022-06-27T21:48:07Z |
Symmetric Ciphers |
Passwords as Keys |
50
|
2022-06-27T21:42:25Z |
Symmetric Ciphers |
Stream of Consciousness |
80
|
2022-06-27T21:11:23Z |
Hash Functions |
Mixed Up |
120
|
2022-06-27T19:51:39Z |
Elliptic Curves |
Micro Transmissions |
120
|
2022-06-27T19:12:16Z |
Mathematics |
Modular Square Root |
35
|
2022-06-27T18:51:17Z |
Mathematics |
Broken RSA |
100
|
2022-06-27T18:09:22Z |
General |
CERTainly not |
30
|
2022-06-27T18:04:44Z |
General |
Privacy-Enhanced Mail? |
25
|
2022-06-27T05:52:29Z |
Elliptic Curves |
Elliptic Nodes |
150
|
2022-06-27T05:02:49Z |
Mathematics |
No Way Back Home |
100
|
2022-06-27T04:40:49Z |
Mathematics |
Chinese Remainder Theorem |
40
|
2022-06-27T04:36:03Z |
General |
SSH Keys |
35
|
2022-06-27T04:29:00Z |
General |
Encoding Challenge |
40
|
2022-06-26T23:39:24Z |
RSA |
Marin's Secrets |
50
|
2022-06-26T23:26:14Z |
RSA |
Crossed Wires |
100
|
2022-06-26T23:09:36Z |
Hash Functions |
Hash Stuffing |
50
|
2022-06-26T22:44:18Z |
Hash Functions |
Collider |
50
|
2022-06-26T22:34:21Z |
RSA |
Factoring |
15
|
2022-06-26T22:31:09Z |
Symmetric Ciphers |
Flipping Cookie |
60
|
2022-06-26T22:23:26Z |
Symmetric Ciphers |
Lazy CBC |
60
|
2022-06-26T22:09:01Z |
Symmetric Ciphers |
ECB CBC WTF |
55
|
2022-06-26T21:58:42Z |
Crypto on the Web |
TLS Handshake |
15
|
2022-06-26T21:55:52Z |
Crypto on the Web |
Sharks on the Wire |
10
|
2022-06-26T16:55:47Z |
General |
Extended GCD |
20
|
2022-06-26T16:10:56Z |
Elliptic Curves |
Exceptional Curves |
100
|
2022-06-26T15:08:03Z |
Elliptic Curves |
Smooth Criminal |
60
|
2022-06-26T14:33:30Z |
Elliptic Curves |
Efficient Exchange |
50
|
2022-06-26T14:26:58Z |
Elliptic Curves |
Curves and Logs |
40
|
2022-06-26T14:22:49Z |
Elliptic Curves |
Scalar Multiplication |
35
|
2022-06-26T14:14:56Z |
Elliptic Curves |
Point Addition |
30
|
2022-06-26T13:18:17Z |
Elliptic Curves |
Real Curve Crypto |
200
|
2022-06-26T09:26:02Z |
Symmetric Ciphers |
Keyed Permutations |
5
|
2022-06-26T09:24:17Z |
Misc |
Gotta Go Fast |
40
|
2022-06-26T09:17:50Z |
Misc |
No Leaks |
100
|
2022-06-26T08:56:24Z |
Mathematics |
Unencryptable |
125
|
2022-06-25T09:55:15Z |
Mathematics |
Ellipse Curve Cryptography |
125
|
2022-06-25T08:49:26Z |
Mathematics |
Size and Basis |
15
|
2022-06-25T07:19:06Z |
Diffie-Hellman |
The Matrix |
75
|
2022-06-25T07:08:12Z |
RSA |
Blinding Light |
120
|
2022-06-25T06:54:23Z |
RSA |
Signing Server |
60
|
2022-06-25T06:47:03Z |
General |
Lemur XOR |
40
|
2022-06-25T06:37:57Z |
Mathematics |
Legendre Symbol |
35
|
2022-06-25T06:29:17Z |
Mathematics |
Quadratic Residues |
25
|
2022-06-25T06:25:39Z |
Mathematics |
Roll your Own |
125
|
2022-06-25T05:21:48Z |
Diffie-Hellman |
Script Kiddie |
70
|
2022-06-25T05:13:26Z |
Diffie-Hellman |
Export-grade |
100
|
2022-06-25T04:03:43Z |
Diffie-Hellman |
Parameter Injection |
60
|
2022-06-25T03:56:31Z |
Diffie-Hellman |
Additive |
70
|
2022-06-25T03:54:28Z |
Diffie-Hellman |
Diffie-Hellman Starter 5 |
40
|
2022-06-25T03:43:07Z |
RSA |
RSA Starter 6 |
25
|
2022-06-24T22:55:35Z |
RSA |
Square Eyes |
35
|
2022-06-24T22:51:49Z |
Crypto on the Web |
JWT Sessions |
10
|
2022-06-24T22:50:18Z |
Crypto on the Web |
Token Appreciation |
5
|
2022-06-24T22:30:18Z |
Crypto on the Web |
Secure Protocols |
5
|
2022-06-24T22:29:51Z |
Crypto on the Web |
Saying Hello |
20
|
2022-06-24T22:22:45Z |
Mathematics |
What's a Lattice? |
40
|
2022-06-24T22:18:42Z |
Mathematics |
Gaussian Reduction |
50
|
2022-06-24T22:03:25Z |
RSA |
Bespoke Padding |
100
|
2022-06-24T21:27:58Z |
RSA |
Vote for Pedro |
150
|
2022-06-23T06:44:55Z |
RSA |
Modulus Inutilis |
50
|
2022-06-23T06:38:57Z |
RSA |
Monoprime |
30
|
2022-06-23T06:33:51Z |
General |
Greatest Common Divisor |
15
|
2022-06-23T06:32:14Z |
General |
Bytes and Big Integers |
10
|
2022-06-23T05:38:27Z |
Mathematics |
Adrien's Signs |
80
|
2022-06-23T05:22:52Z |
Elliptic Curves |
Point Negation |
10
|
2022-06-23T05:21:12Z |
Elliptic Curves |
Background Reading |
5
|
2022-06-23T05:03:58Z |
Mathematics |
Modular Binomials |
80
|
2022-06-23T04:51:15Z |
RSA |
RSA Starter 5 |
20
|
2022-06-23T04:49:54Z |
RSA |
RSA Starter 4 |
20
|
2022-06-23T04:48:55Z |
RSA |
RSA Starter 3 |
20
|
2022-06-23T04:48:11Z |
RSA |
RSA Starter 2 |
15
|
2022-06-23T04:47:11Z |
RSA |
RSA Starter 1 |
10
|
2022-06-23T04:42:24Z |
Diffie-Hellman |
Diffie-Hellman Starter 4 |
30
|
2022-06-23T04:40:45Z |
Diffie-Hellman |
Diffie-Hellman Starter 3 |
20
|
2022-06-23T04:39:02Z |
Diffie-Hellman |
Diffie-Hellman Starter 2 |
20
|
2022-06-23T04:35:32Z |
Diffie-Hellman |
Diffie-Hellman Starter 1 |
10
|
2022-06-22T22:59:11Z |
General |
Modular Arithmetic 1 |
20
|
2022-06-22T22:55:50Z |
General |
Modular Arithmetic 2 |
20
|
2022-06-22T22:54:36Z |
General |
Modular Inverting |
25
|
2022-06-22T22:52:29Z |
Hash Functions |
Jack's Birthday Confusion |
30
|
2022-06-22T22:47:34Z |
Hash Functions |
Jack's Birthday Hash |
20
|
2022-06-22T22:42:09Z |
Misc |
Lo-Hi Card Game |
120
|
2022-06-22T06:36:08Z |
General |
You either know, XOR you don't |
30
|
2022-06-22T06:30:29Z |
General |
Favourite byte |
20
|
2022-06-22T06:27:50Z |
General |
XOR Properties |
15
|
2022-06-22T06:25:53Z |
General |
XOR Starter |
10
|
2022-06-22T06:23:01Z |
Mathematics |
Successive Powers |
60
|
2022-06-22T06:13:31Z |
Mathematics |
Vectors |
10
|
2022-06-22T03:10:26Z |
General |
Base64 |
10
|
2022-06-22T03:09:09Z |
General |
Hex |
5
|
2022-06-22T03:08:25Z |
General |
ASCII |
5
|
2022-06-22T03:06:58Z |
Introduction |
Network Attacks |
5
|
2022-06-22T03:04:24Z |
Introduction |
Great Snakes |
3
|
2022-06-22T03:01:07Z |
Introduction |
Finding Flags |
2
|