2024-08-28T21:39:04Z |
Lattices |
Noise Free |
40
|
2024-08-28T14:11:34Z |
Misc |
Toshi's Treasure |
150
|
2024-08-28T10:10:59Z |
Hash Functions |
No Difference |
175
|
2024-08-28T07:54:59Z |
Hash Functions |
Twin Keys |
100
|
2024-08-27T10:02:06Z |
Hash Functions |
WOTS Up 2 |
90
|
2024-08-27T08:45:26Z |
Hash Functions |
WOTS Up |
75
|
2024-08-26T15:37:27Z |
Misc |
Lo-Hi Card Game |
120
|
2024-08-26T12:12:05Z |
Hash Functions |
MDFlag |
125
|
2024-08-26T09:25:13Z |
Hash Functions |
Mixed Up |
120
|
2024-08-25T20:27:12Z |
Misc |
Armory |
100
|
2024-08-25T16:38:34Z |
Crypto on the Web |
RSA or HMAC? Part 2 |
100
|
2024-08-25T13:27:21Z |
Misc |
Bruce Schneier's Password |
100
|
2024-08-25T13:10:41Z |
Crypto on the Web |
JSON in JSON |
40
|
2024-08-24T20:46:17Z |
Symmetric Ciphers |
Pad Thai |
80
|
2024-08-23T15:40:48Z |
Diffie-Hellman |
The Matrix Revolutions |
125
|
2024-08-23T15:32:23Z |
Symmetric Ciphers |
Paper Plane |
120
|
2024-08-23T15:26:22Z |
Elliptic Curves |
No Random, No Bias |
120
|
2024-08-23T15:21:38Z |
Elliptic Curves |
Digestive |
60
|
2024-08-23T15:19:17Z |
Elliptic Curves |
Edwards Goes Degenerate |
100
|
2024-08-23T08:17:16Z |
Hash Functions |
Merkle Trees |
25
|
2024-08-22T16:37:41Z |
RSA |
Let's Decrypt Again |
175
|
2024-08-22T15:12:54Z |
Lattices |
Too Many Errors |
100
|
2024-08-21T14:30:57Z |
Mathematics |
Real Eisenstein |
150
|
2024-08-02T07:48:33Z |
ZKPs |
OR Proof |
75
|
2024-07-31T07:09:38Z |
ZKPs |
Too Honest |
50
|
2024-07-30T20:15:14Z |
ZKPs |
Non-Interactive |
35
|
2024-07-30T19:49:47Z |
ZKPs |
Honest Verifier Zero Knowledge |
30
|
2024-07-30T18:13:58Z |
ZKPs |
Special Soundness |
25
|
2024-07-30T17:57:44Z |
ZKPs |
Proofs of Knowledge |
20
|
2024-07-30T15:18:01Z |
ZKPs |
ZKP Introduction |
5
|
2024-06-24T14:39:32Z |
Elliptic Curves |
Elliptic Nodes |
150
|
2024-06-24T11:10:11Z |
CTF Archive |
RRSSAA (ECSC 2023 (Norway)) |
0
|
2024-06-20T08:41:13Z |
Misc |
Bit by Bit |
100
|
2024-06-19T13:09:56Z |
Hash Functions |
PriMeD5 |
100
|
2024-06-17T17:20:16Z |
Elliptic Curves |
ProSign 3 |
100
|
2024-06-17T15:00:39Z |
Elliptic Curves |
Curveball |
100
|
2024-06-17T14:18:25Z |
Elliptic Curves |
Moving Problems |
150
|
2024-06-17T12:10:55Z |
Elliptic Curves |
Micro Transmissions |
120
|
2024-06-17T10:41:31Z |
Elliptic Curves |
Exceptional Curves |
100
|
2024-06-17T09:52:12Z |
Elliptic Curves |
Double and Broken |
50
|
2024-06-14T13:48:34Z |
Crypto on the Web |
RSA or HMAC? |
35
|
2024-06-13T18:45:47Z |
Misc |
No Leaks |
100
|
2024-06-12T19:48:41Z |
Symmetric Ciphers |
Oh SNAP |
120
|
2024-06-11T16:44:15Z |
Hash Functions |
MD0 |
80
|
2024-06-11T11:33:51Z |
Symmetric Ciphers |
Dancing Queen |
120
|
2024-06-09T19:21:50Z |
Lattices |
LWE High Bits Message |
15
|
2024-06-09T19:15:12Z |
Lattices |
LWE Low Bits Message |
20
|
2024-06-09T10:26:25Z |
Lattices |
From Private to Public Key LWE |
25
|
2024-06-07T11:11:53Z |
Symmetric Ciphers |
Stream of Consciousness |
80
|
2024-06-07T10:50:52Z |
Symmetric Ciphers |
Logon Zero |
80
|
2024-06-05T20:44:14Z |
Diffie-Hellman |
The Matrix Reloaded |
100
|
2024-06-05T09:56:26Z |
Diffie-Hellman |
The Matrix |
75
|
2024-06-04T13:37:19Z |
Mathematics |
Cofactor Cofantasy |
150
|
2024-06-03T16:48:33Z |
Lattices |
LWE Intro |
10
|
2024-06-03T14:41:32Z |
Mathematics |
Prime and Prejudice |
200
|
2024-06-03T12:54:14Z |
Mathematics |
Ellipse Curve Cryptography |
125
|
2024-06-02T17:24:40Z |
Lattices |
Backpack Cryptography |
120
|
2024-06-02T17:05:09Z |
Mathematics |
Unencryptable |
125
|
2024-06-02T12:02:06Z |
Mathematics |
Roll your Own |
125
|
2024-06-02T06:45:01Z |
Lattices |
Find the Lattice |
100
|
2024-06-01T13:36:32Z |
Diffie-Hellman |
Static Client 2 |
120
|
2024-05-27T16:41:42Z |
Elliptic Curves |
Smooth Criminal |
60
|
2024-05-26T18:50:43Z |
Elliptic Curves |
Montgomery's Ladder |
40
|
2024-05-25T19:18:42Z |
Elliptic Curves |
Efficient Exchange |
50
|
2024-05-25T16:49:43Z |
Elliptic Curves |
Curves and Logs |
40
|
2024-05-23T14:27:28Z |
Elliptic Curves |
Scalar Multiplication |
35
|
2024-05-23T14:24:26Z |
Elliptic Curves |
Point Addition |
30
|
2024-05-22T10:48:24Z |
Elliptic Curves |
Point Negation |
10
|
2024-05-21T14:43:09Z |
Elliptic Curves |
Background Reading |
5
|
2024-05-16T14:37:53Z |
Lattices |
LWE Background |
5
|
2024-05-16T14:36:19Z |
RSA |
Vote for Pedro |
150
|
2024-05-15T23:53:49Z |
Crypto on the Web |
Decrypting TLS 1.3 |
35
|
2024-05-15T15:27:16Z |
Crypto on the Web |
Decrypting TLS 1.2 |
30
|
2024-05-15T15:03:46Z |
Crypto on the Web |
Saying Hello |
20
|
2024-05-15T13:51:23Z |
Crypto on the Web |
TLS Handshake |
15
|
2024-05-15T13:29:47Z |
Crypto on the Web |
Sharks on the Wire |
10
|
2024-05-08T10:22:24Z |
RSA |
Blinding Light |
120
|
2024-05-06T12:34:30Z |
RSA |
Ron was Wrong, Whit is Right |
90
|
2024-05-02T08:58:45Z |
Crypto on the Web |
Secure Protocols |
5
|
2024-05-02T06:57:55Z |
Crypto on the Web |
JWT Secrets |
25
|
2024-05-01T16:53:40Z |
Crypto on the Web |
No Way JOSE |
20
|
2024-05-01T15:46:04Z |
RSA |
Null or Never |
100
|
2024-05-01T13:34:17Z |
RSA |
RSA Backdoor Viability |
175
|
2024-04-29T16:13:50Z |
RSA |
Bespoke Padding |
100
|
2024-04-29T10:45:53Z |
Crypto on the Web |
JWT Sessions |
10
|
2024-04-29T10:22:37Z |
Crypto on the Web |
Token Appreciation |
5
|
2024-04-23T09:10:52Z |
RSA |
Fast Primes |
75
|
2024-04-12T13:40:38Z |
Symmetric Ciphers |
CTRIME |
70
|
2024-04-10T11:59:17Z |
Hash Functions |
Hash Stuffing |
50
|
2024-04-09T20:39:19Z |
Misc |
Gotta Go Fast |
40
|
2024-04-09T19:20:12Z |
Symmetric Ciphers |
Triple DES |
60
|
2024-04-09T13:38:29Z |
Mathematics |
No Way Back Home |
100
|
2024-04-08T21:39:56Z |
Mathematics |
Broken RSA |
100
|
2024-04-07T11:59:01Z |
Symmetric Ciphers |
Lazy CBC |
60
|
2024-03-27T15:27:42Z |
Symmetric Ciphers |
Bean Counter |
60
|
2024-03-27T13:38:34Z |
Symmetric Ciphers |
Symmetry |
50
|
2024-03-25T14:22:54Z |
Symmetric Ciphers |
Flipping Cookie |
60
|
2024-03-19T12:46:58Z |
Symmetric Ciphers |
ECB CBC WTF |
55
|
2024-03-18T21:17:42Z |
Hash Functions |
Collider |
50
|
2024-03-18T19:59:25Z |
Hash Functions |
Jack's Birthday Confusion |
30
|
2024-03-18T19:00:55Z |
Hash Functions |
Jack's Birthday Hash |
20
|
2024-03-17T16:16:47Z |
Symmetric Ciphers |
ECB Oracle |
60
|
2024-03-17T14:14:47Z |
Symmetric Ciphers |
Passwords as Keys |
50
|
2024-03-17T13:46:25Z |
Symmetric Ciphers |
Modes of Operation Starter |
15
|
2024-03-17T12:24:36Z |
Symmetric Ciphers |
Bringing It All Together |
50
|
2024-03-16T10:00:24Z |
Diffie-Hellman |
Script Kiddie |
70
|
2024-03-16T09:05:10Z |
Diffie-Hellman |
Additive |
70
|
2024-03-15T14:43:45Z |
Diffie-Hellman |
Export-grade |
100
|
2024-03-15T09:40:07Z |
RSA |
Let's Decrypt |
80
|
2024-03-14T14:42:32Z |
RSA |
Signing Server |
60
|
2024-03-14T13:59:12Z |
Mathematics |
Successive Powers |
60
|
2024-03-14T11:46:14Z |
Lattices |
Gaussian Reduction |
50
|
2024-03-14T10:22:04Z |
Lattices |
What's a Lattice? |
40
|
2024-03-14T10:03:17Z |
Lattices |
Gram Schmidt |
30
|
2024-03-13T13:23:51Z |
Diffie-Hellman |
Static Client |
100
|
2024-03-13T12:47:56Z |
General |
Transparency |
50
|
2024-03-13T12:10:57Z |
General |
SSH Keys |
35
|
2024-03-13T11:45:17Z |
General |
CERTainly not |
30
|
2024-03-13T11:36:32Z |
General |
Privacy-Enhanced Mail? |
25
|
2024-03-13T10:08:34Z |
General |
Encoding Challenge |
40
|
2024-03-09T08:54:27Z |
Lattices |
Size and Basis |
15
|
2024-03-09T08:48:30Z |
Lattices |
Vectors |
10
|
2024-03-07T15:59:00Z |
Diffie-Hellman |
Generators of Groups |
20
|
2024-03-07T15:25:09Z |
General |
Lemur XOR |
40
|
2024-03-07T14:51:35Z |
Introduction |
Network Attacks |
5
|
2024-03-05T12:56:29Z |
Diffie-Hellman |
Parameter Injection |
60
|
2024-03-04T19:38:02Z |
Diffie-Hellman |
Deriving Symmetric Keys |
40
|
2024-03-03T22:40:20Z |
Diffie-Hellman |
Computing Shared Secrets |
30
|
2024-03-03T22:33:45Z |
Diffie-Hellman |
Computing Public Values |
25
|
2024-03-03T21:48:44Z |
Diffie-Hellman |
Working with Fields |
10
|
2024-03-02T00:30:08Z |
RSA |
Marin's Secrets |
50
|
2024-03-02T00:26:03Z |
RSA |
Infinite Descent |
50
|
2024-03-02T00:05:54Z |
RSA |
Endless Emails |
150
|
2024-02-29T16:26:07Z |
RSA |
Everything is Still Big |
100
|
2024-02-29T16:19:39Z |
RSA |
Crossed Wires |
100
|
2024-02-29T12:36:14Z |
RSA |
Everything is Big |
70
|
2024-02-29T12:31:00Z |
RSA |
Modulus Inutilis |
50
|
2024-02-29T12:21:25Z |
RSA |
Salty |
20
|
2024-02-29T11:05:19Z |
RSA |
Manyprime |
40
|
2024-02-29T10:57:25Z |
RSA |
Square Eyes |
35
|
2024-02-29T10:41:50Z |
RSA |
Monoprime |
30
|
2024-02-29T10:28:29Z |
RSA |
Inferius Prime |
30
|
2024-02-29T10:11:03Z |
RSA |
Factoring |
15
|
2024-02-29T00:06:59Z |
RSA |
RSA Signatures |
25
|
2024-02-28T21:09:04Z |
RSA |
RSA Decryption |
20
|
2024-02-28T21:02:42Z |
RSA |
Private Keys |
20
|
2024-02-28T20:19:49Z |
RSA |
Euler's Totient |
20
|
2024-02-28T20:12:05Z |
RSA |
Public Keys |
15
|
2024-02-28T20:08:22Z |
RSA |
Modular Exponentiation |
10
|
2024-02-28T07:50:31Z |
Symmetric Ciphers |
Diffusion through Permutation |
30
|
2024-02-27T21:47:32Z |
Symmetric Ciphers |
Confusion through Substitution |
25
|
2024-02-27T19:24:32Z |
Symmetric Ciphers |
Round Keys |
20
|
2024-02-27T19:14:24Z |
Symmetric Ciphers |
Structure of AES |
15
|
2024-02-27T15:01:58Z |
Symmetric Ciphers |
Resisting Bruteforce |
10
|
2024-02-27T12:02:44Z |
Symmetric Ciphers |
Keyed Permutations |
5
|
2024-02-27T11:35:07Z |
Mathematics |
Modular Binomials |
80
|
2024-02-26T15:49:28Z |
Mathematics |
Adrien's Signs |
80
|
2024-02-25T22:24:16Z |
Mathematics |
Chinese Remainder Theorem |
40
|
2024-02-25T21:12:56Z |
Mathematics |
Modular Square Root |
35
|
2024-02-25T15:31:00Z |
Mathematics |
Legendre Symbol |
35
|
2024-02-24T15:41:29Z |
Mathematics |
Quadratic Residues |
25
|
2024-02-24T14:58:34Z |
General |
Modular Inverting |
25
|
2024-02-24T14:50:58Z |
General |
Modular Arithmetic 2 |
20
|
2024-02-24T12:38:25Z |
General |
Modular Arithmetic 1 |
20
|
2024-02-24T10:26:51Z |
General |
Extended GCD |
20
|
2024-02-24T09:04:40Z |
General |
Greatest Common Divisor |
15
|
2024-02-23T22:53:08Z |
General |
You either know, XOR you don't |
30
|
2024-02-23T22:18:32Z |
General |
Favourite byte |
20
|
2024-02-23T20:34:05Z |
General |
XOR Properties |
15
|
2024-02-23T14:23:41Z |
General |
XOR Starter |
10
|
2024-02-23T09:53:52Z |
General |
Bytes and Big Integers |
10
|
2024-02-23T09:25:52Z |
General |
Base64 |
10
|
2024-02-23T09:16:59Z |
General |
Hex |
5
|
2024-02-22T19:42:14Z |
General |
ASCII |
5
|
2024-02-22T19:15:44Z |
Introduction |
Great Snakes |
3
|
2024-02-22T19:12:00Z |
Introduction |
Finding Flags |
2
|