2024-07-11T23:02:48Z |
Elliptic Curves |
Checkpoint |
150
|
2024-07-11T21:21:20Z |
Hash Functions |
WOTS Up 2 |
90
|
2024-07-11T20:56:15Z |
Hash Functions |
WOTS Up |
75
|
2024-07-11T20:42:10Z |
Hash Functions |
Merkle Trees |
25
|
2023-10-26T12:34:23Z |
Lattices |
LWE Intro |
10
|
2023-10-26T12:25:45Z |
Lattices |
From Private to Public Key LWE |
25
|
2023-10-26T12:23:04Z |
Lattices |
Noise Cheap |
90
|
2023-10-26T12:08:19Z |
Lattices |
Missing Modulus |
80
|
2023-10-26T12:07:50Z |
Lattices |
Nativity |
60
|
2023-10-26T12:07:30Z |
Lattices |
Noise Free |
40
|
2023-10-26T12:07:09Z |
Lattices |
LWE Low Bits Message |
20
|
2023-10-26T12:06:53Z |
Lattices |
LWE High Bits Message |
15
|
2023-06-01T13:58:36Z |
Crypto on the Web |
Megalomaniac 3 |
120
|
2023-06-01T13:39:31Z |
Crypto on the Web |
Megalomaniac 2 |
120
|
2023-06-01T13:30:08Z |
Crypto on the Web |
Megalomaniac 1 |
100
|
2023-06-01T13:22:57Z |
Crypto on the Web |
Authenticated Handshake |
40
|
2023-01-25T20:37:46Z |
Crypto on the Web |
Decrypting TLS 1.3 |
35
|
2023-01-25T20:36:48Z |
Crypto on the Web |
Decrypting TLS 1.2 |
30
|
2023-01-25T20:30:24Z |
Misc |
RSA vs RNG |
150
|
2023-01-25T20:27:22Z |
Elliptic Curves |
Digestive |
60
|
2022-12-16T10:23:43Z |
Lattices |
LWE Background |
5
|
2022-08-17T22:17:10Z |
Elliptic Curves |
Real Curve Crypto |
200
|
2022-08-17T22:06:26Z |
Symmetric Ciphers |
Beatboxer |
150
|
2022-08-07T22:14:42Z |
CTF Archive |
2020 (TETCTF) |
0
|
2022-07-07T14:56:55Z |
Hash Functions |
MDFlag |
125
|
2022-07-01T12:07:52Z |
Mathematics |
No Way Back Home |
100
|
2022-07-01T11:52:55Z |
Crypto on the Web |
Saying Hello |
20
|
2022-07-01T11:50:03Z |
Crypto on the Web |
TLS Handshake |
15
|
2022-07-01T11:47:50Z |
Crypto on the Web |
Sharks on the Wire |
10
|
2022-07-01T11:46:49Z |
Crypto on the Web |
Secure Protocols |
5
|
2022-04-13T12:18:45Z |
Misc |
LFSR Destroyer |
250
|
2021-11-29T12:14:30Z |
Misc |
Bruce Schneier's Password: Part 2 |
250
|
2021-11-29T12:06:37Z |
Diffie-Hellman |
The Matrix Revolutions |
125
|
2021-08-02T14:41:52Z |
Mathematics |
Roll your Own |
125
|
2021-07-03T00:29:27Z |
Symmetric Ciphers |
Dancing Queen |
120
|
2021-06-27T23:47:56Z |
Crypto on the Web |
RSA or HMAC? Part 2 |
100
|
2021-06-27T23:27:03Z |
Diffie-Hellman |
The Matrix Reloaded |
100
|
2021-06-25T07:02:18Z |
Elliptic Curves |
Montgomery's Ladder |
40
|
2021-06-25T06:40:13Z |
Elliptic Curves |
Double and Broken |
50
|
2021-06-25T03:49:19Z |
Diffie-Hellman |
The Matrix |
75
|
2021-06-24T21:27:40Z |
Hash Functions |
Hash Stuffing |
50
|
2021-06-24T21:20:54Z |
General |
SSH Keys |
35
|
2021-06-08T12:53:25Z |
Misc |
Jeff's LFSR |
150
|
2021-06-08T12:49:29Z |
Misc |
L-Win |
120
|
2021-04-28T19:24:02Z |
Symmetric Ciphers |
Oh SNAP |
120
|
2021-04-28T12:28:15Z |
RSA |
Let's Decrypt Again |
175
|
2021-04-28T11:27:48Z |
Misc |
Bruce Schneier's Password |
100
|
2021-04-28T11:13:51Z |
Hash Functions |
Mixed Up |
120
|
2021-04-28T10:55:25Z |
Crypto on the Web |
JSON in JSON |
40
|
2020-11-13T13:44:16Z |
RSA |
RSA Backdoor Viability |
175
|
2020-11-13T01:54:34Z |
Mathematics |
Cofactor Cofantasy |
150
|
2020-11-13T01:08:05Z |
Hash Functions |
Jack's Birthday Confusion |
30
|
2020-11-13T01:07:04Z |
Hash Functions |
Jack's Birthday Hash |
20
|
2020-11-12T19:18:23Z |
Symmetric Ciphers |
Logon Zero |
80
|
2020-11-12T18:40:40Z |
Crypto on the Web |
JWT Secrets |
25
|
2020-11-12T18:35:34Z |
Crypto on the Web |
No Way JOSE |
20
|
2020-11-12T18:31:33Z |
Crypto on the Web |
JWT Sessions |
10
|
2020-11-12T18:30:50Z |
Crypto on the Web |
Token Appreciation |
5
|
2020-11-12T18:25:29Z |
Crypto on the Web |
RSA or HMAC? |
35
|
2020-10-01T11:50:00Z |
Hash Functions |
Invariant |
250
|
2020-09-11T12:24:18Z |
Misc |
Trust Games |
150
|
2020-09-11T09:02:24Z |
Elliptic Curves |
Edwards Goes Degenerate |
100
|
2020-09-10T22:37:44Z |
Hash Functions |
No Difference |
175
|
2020-09-10T19:00:37Z |
Hash Functions |
Twin Keys |
100
|
2020-09-10T18:00:59Z |
General |
Transparency |
50
|
2020-08-26T09:58:17Z |
Symmetric Ciphers |
Forbidden Fruit |
150
|
2020-08-25T18:11:17Z |
Mathematics |
Ellipse Curve Cryptography |
125
|
2020-08-21T10:36:22Z |
RSA |
Let's Decrypt |
80
|
2020-08-21T09:09:46Z |
Elliptic Curves |
No Random, No Bias |
120
|
2020-08-20T18:17:34Z |
Hash Functions |
PriMeD5 |
100
|
2020-08-19T11:02:53Z |
Lattices |
Backpack Cryptography |
120
|
2020-08-17T03:25:27Z |
Mathematics |
Real Eisenstein |
150
|
2020-07-24T00:41:25Z |
Lattices |
Find the Lattice |
100
|
2020-07-23T01:13:27Z |
Lattices |
Too Many Errors |
100
|
2020-07-22T21:57:24Z |
Misc |
Toshi's Treasure |
150
|
2020-07-10T23:55:23Z |
Misc |
Nothing Up My Sleeve |
150
|
2020-07-09T17:36:35Z |
Diffie-Hellman |
Static Client 2 |
120
|
2020-07-09T13:24:19Z |
Elliptic Curves |
Elliptic Nodes |
150
|
2020-07-09T00:55:24Z |
RSA |
Bespoke Padding |
100
|
2020-07-08T21:06:32Z |
Hash Functions |
MD0 |
80
|
2020-07-08T17:49:08Z |
Hash Functions |
Collider |
50
|
2020-07-08T17:13:48Z |
Symmetric Ciphers |
Triple DES |
60
|
2020-07-07T23:57:36Z |
Elliptic Curves |
Moving Problems |
150
|
2020-06-11T18:02:23Z |
Lattices |
Gaussian Reduction |
50
|
2020-06-11T17:14:04Z |
Lattices |
What's a Lattice? |
40
|
2020-06-10T21:57:59Z |
Lattices |
Gram Schmidt |
30
|
2020-06-10T21:20:52Z |
Lattices |
Size and Basis |
15
|
2020-06-10T21:17:49Z |
Lattices |
Vectors |
10
|
2020-05-30T18:41:28Z |
Mathematics |
Unencryptable |
125
|
2020-05-06T17:24:48Z |
Symmetric Ciphers |
Paper Plane |
120
|
2020-05-06T11:19:21Z |
Symmetric Ciphers |
Confusion through Substitution |
25
|
2020-05-06T11:17:14Z |
Symmetric Ciphers |
Round Keys |
20
|
2020-05-06T11:14:27Z |
Symmetric Ciphers |
Diffusion through Permutation |
30
|
2020-05-06T11:11:31Z |
Symmetric Ciphers |
Structure of AES |
15
|
2020-05-05T23:10:19Z |
Mathematics |
Prime and Prejudice |
200
|
2020-04-30T21:20:52Z |
Symmetric Ciphers |
Bringing It All Together |
50
|
2020-04-30T21:19:11Z |
Symmetric Ciphers |
Resisting Bruteforce |
10
|
2020-04-30T21:16:46Z |
Symmetric Ciphers |
Keyed Permutations |
5
|
2020-04-30T21:04:01Z |
Mathematics |
Broken RSA |
100
|
2020-04-30T20:59:00Z |
Mathematics |
Modular Square Root |
35
|
2020-04-16T19:57:25Z |
Mathematics |
Legendre Symbol |
35
|
2020-04-16T19:48:32Z |
RSA |
Crossed Wires |
100
|
2020-04-16T19:23:35Z |
Mathematics |
Quadratic Residues |
25
|
2020-04-16T19:21:06Z |
General |
XOR Properties |
15
|
2020-04-07T10:59:10Z |
Elliptic Curves |
Micro Transmissions |
120
|
2020-04-06T23:43:08Z |
Misc |
Bit by Bit |
100
|
2020-04-06T21:38:58Z |
Misc |
Lo-Hi Card Game |
120
|
2020-04-04T20:39:55Z |
Elliptic Curves |
Curveball |
100
|
2020-04-02T00:18:25Z |
Diffie-Hellman |
Export-grade |
100
|
2020-04-01T22:50:37Z |
RSA |
Vote for Pedro |
150
|
2020-04-01T19:44:29Z |
RSA |
Null or Never |
100
|
2020-04-01T19:10:09Z |
Misc |
Armory |
100
|
2020-04-01T18:31:01Z |
Diffie-Hellman |
Static Client |
100
|
2020-04-01T13:37:03Z |
Diffie-Hellman |
Script Kiddie |
70
|
2020-04-01T13:29:04Z |
Diffie-Hellman |
Additive |
70
|
2020-04-01T13:09:50Z |
Elliptic Curves |
Exceptional Curves |
100
|
2020-04-01T12:56:14Z |
Elliptic Curves |
ProSign 3 |
100
|
2020-04-01T11:56:04Z |
Elliptic Curves |
Smooth Criminal |
60
|
2020-04-01T11:26:09Z |
RSA |
Everything is Still Big |
100
|
2020-04-01T10:47:41Z |
RSA |
Blinding Light |
120
|
2020-04-01T09:58:29Z |
RSA |
Signing Server |
60
|
2020-04-01T09:50:47Z |
Mathematics |
Modular Binomials |
80
|
2020-03-31T23:31:15Z |
Diffie-Hellman |
Parameter Injection |
60
|
2020-03-31T23:06:31Z |
Diffie-Hellman |
Deriving Symmetric Keys |
40
|
2020-03-31T23:03:33Z |
Diffie-Hellman |
Computing Shared Secrets |
30
|
2020-03-31T23:02:20Z |
Diffie-Hellman |
Computing Public Values |
25
|
2020-03-31T22:58:55Z |
Diffie-Hellman |
Generators of Groups |
20
|
2020-03-31T22:50:53Z |
Diffie-Hellman |
Working with Fields |
10
|
2020-03-31T22:48:33Z |
Symmetric Ciphers |
Stream of Consciousness |
80
|
2020-03-31T22:26:47Z |
Symmetric Ciphers |
CTRIME |
70
|
2020-03-31T22:15:52Z |
Symmetric Ciphers |
Bean Counter |
60
|
2020-03-31T21:54:14Z |
Symmetric Ciphers |
Symmetry |
50
|
2020-03-31T21:42:05Z |
Symmetric Ciphers |
Lazy CBC |
60
|
2020-03-31T21:35:27Z |
Symmetric Ciphers |
Flipping Cookie |
60
|
2020-03-31T18:13:54Z |
Symmetric Ciphers |
ECB CBC WTF |
55
|
2020-03-31T18:07:10Z |
Symmetric Ciphers |
ECB Oracle |
60
|
2020-03-31T17:50:22Z |
RSA |
Fast Primes |
75
|
2020-03-31T15:31:24Z |
Symmetric Ciphers |
Passwords as Keys |
50
|
2020-03-31T15:26:53Z |
Symmetric Ciphers |
Modes of Operation Starter |
15
|
2020-03-31T13:41:48Z |
RSA |
Ron was Wrong, Whit is Right |
90
|
2020-03-31T13:19:45Z |
RSA |
Marin's Secrets |
50
|
2020-03-31T13:19:02Z |
RSA |
Infinite Descent |
50
|
2020-03-31T13:13:07Z |
RSA |
Endless Emails |
150
|
2020-03-31T12:54:09Z |
RSA |
Everything is Big |
70
|
2020-03-31T12:52:19Z |
RSA |
Modulus Inutilis |
50
|
2020-03-31T12:51:32Z |
RSA |
Salty |
20
|
2020-03-31T12:50:20Z |
RSA |
Manyprime |
40
|
2020-03-31T12:42:43Z |
RSA |
Square Eyes |
35
|
2020-03-31T12:41:35Z |
RSA |
Monoprime |
30
|
2020-03-31T12:40:11Z |
RSA |
Inferius Prime |
30
|
2020-03-31T12:34:21Z |
RSA |
Factoring |
15
|
2020-03-31T12:33:39Z |
RSA |
RSA Signatures |
25
|
2020-03-31T12:31:17Z |
RSA |
RSA Decryption |
20
|
2020-03-31T12:30:43Z |
RSA |
Private Keys |
20
|
2020-03-31T12:30:04Z |
RSA |
Euler's Totient |
20
|
2020-03-31T12:29:43Z |
RSA |
Public Keys |
15
|
2020-03-31T12:29:20Z |
RSA |
Modular Exponentiation |
10
|
2020-03-31T12:11:19Z |
Mathematics |
Successive Powers |
60
|
2020-03-31T12:04:04Z |
Mathematics |
Adrien's Signs |
80
|
2020-03-31T11:48:43Z |
General |
CERTainly not |
30
|
2020-03-31T11:43:32Z |
General |
Privacy-Enhanced Mail? |
25
|
2020-03-31T11:41:37Z |
Mathematics |
Chinese Remainder Theorem |
40
|
2020-03-31T11:38:12Z |
General |
Modular Inverting |
25
|
2020-03-31T11:36:11Z |
General |
Modular Arithmetic 2 |
20
|
2020-03-31T11:35:43Z |
General |
Modular Arithmetic 1 |
20
|
2020-03-31T11:34:28Z |
General |
Extended GCD |
20
|
2020-03-31T11:31:53Z |
General |
Greatest Common Divisor |
15
|
2020-03-31T11:30:38Z |
General |
Lemur XOR |
40
|
2020-03-31T11:29:50Z |
General |
You either know, XOR you don't |
30
|
2020-03-31T11:29:12Z |
General |
Favourite byte |
20
|
2020-03-31T11:28:28Z |
General |
XOR Starter |
10
|
2020-03-31T11:13:08Z |
Elliptic Curves |
Efficient Exchange |
50
|
2020-03-31T11:06:54Z |
Elliptic Curves |
Curves and Logs |
40
|
2020-03-31T11:04:27Z |
Elliptic Curves |
Scalar Multiplication |
35
|
2020-03-31T11:03:45Z |
Elliptic Curves |
Point Addition |
30
|
2020-03-31T11:01:31Z |
Elliptic Curves |
Point Negation |
10
|
2020-03-31T10:57:10Z |
Elliptic Curves |
Background Reading |
5
|
2020-03-31T09:59:17Z |
Misc |
No Leaks |
100
|
2020-03-31T09:35:24Z |
Misc |
Gotta Go Fast |
40
|
2020-03-31T09:28:48Z |
General |
Encoding Challenge |
40
|
2020-03-31T09:11:17Z |
General |
Bytes and Big Integers |
10
|
2020-03-31T09:10:28Z |
General |
Base64 |
10
|
2020-03-31T09:10:07Z |
General |
Hex |
5
|
2020-03-31T09:09:56Z |
General |
ASCII |
5
|
2020-03-31T09:02:30Z |
Introduction |
Network Attacks |
5
|
2020-03-31T09:02:09Z |
Introduction |
Great Snakes |
3
|
2020-03-31T09:01:00Z |
Introduction |
Finding Flags |
2
|