2023-01-10T08:32:59Z |
CTF Archive |
ed25519 magic (ICC Athens) |
0
|
2023-01-10T08:31:31Z |
CTF Archive |
Unimplemented (TETCTF) |
0
|
2023-01-01T07:03:38Z |
CTF Archive |
Calm Down (HKCERT CTF) |
0
|
2022-12-29T02:26:44Z |
CTF Archive |
1337crypt (DownUnderCTF) |
0
|
2022-12-28T07:34:33Z |
CTF Archive |
2020 (TETCTF) |
0
|
2022-12-28T04:41:52Z |
CTF Archive |
Sign in Please (HKCERT CTF) |
0
|
2022-12-24T02:16:53Z |
Crypto on the Web |
Megalomaniac 3 |
120
|
2022-12-24T01:36:11Z |
Crypto on the Web |
Megalomaniac 2 |
120
|
2022-12-24T01:33:30Z |
Crypto on the Web |
Megalomaniac 1 |
100
|
2022-12-23T14:32:12Z |
Elliptic Curves |
Digestive |
60
|
2022-12-22T08:44:51Z |
Misc |
RSA vs RNG |
150
|
2022-12-21T12:13:05Z |
Post-Quantum |
Noise Cheap |
90
|
2022-12-20T10:45:06Z |
Post-Quantum |
Missing Modulus |
80
|
2022-12-18T13:53:29Z |
Post-Quantum |
Nativity |
60
|
2022-12-18T11:35:26Z |
Post-Quantum |
Noise Free |
40
|
2022-12-18T11:08:13Z |
Post-Quantum |
From Private to Public Key LWE |
25
|
2022-12-18T11:04:55Z |
Post-Quantum |
LWE Low Bits Message |
20
|
2022-12-18T10:47:40Z |
Post-Quantum |
LWE High Bits Message |
15
|
2022-12-18T10:32:09Z |
Post-Quantum |
LWE Intro |
10
|
2022-12-18T10:30:49Z |
Post-Quantum |
LWE Background |
5
|
2022-12-18T10:25:21Z |
Crypto on the Web |
Authenticated Handshake |
40
|
2022-12-18T07:49:15Z |
Crypto on the Web |
Decrypting TLS 1.3 |
35
|
2022-12-18T07:46:17Z |
Crypto on the Web |
Decrypting TLS 1.2 |
30
|
2022-07-02T01:01:21Z |
Misc |
LFSR Destroyer |
250
|
2022-06-30T12:07:19Z |
Hash Functions |
MDFlag |
125
|
2022-06-30T12:05:42Z |
Crypto on the Web |
Saying Hello |
20
|
2022-06-30T11:52:21Z |
Crypto on the Web |
TLS Handshake |
15
|
2022-06-30T11:46:12Z |
Crypto on the Web |
Sharks on the Wire |
10
|
2022-06-30T11:41:41Z |
Crypto on the Web |
Secure Protocols |
5
|
2022-06-25T06:52:25Z |
Elliptic Curves |
Real Curve Crypto |
200
|
2022-06-25T03:56:22Z |
Symmetric Ciphers |
Beatboxer |
150
|
2022-06-25T00:19:37Z |
Mathematics |
No Way Back Home |
100
|
2021-07-03T04:08:55Z |
Crypto on the Web |
RSA or HMAC? Part 2 |
100
|
2021-06-30T12:54:12Z |
Elliptic Curves |
Double and Broken |
50
|
2021-06-30T12:25:32Z |
Diffie-Hellman |
The Matrix Revolutions |
125
|
2021-06-27T01:50:57Z |
Diffie-Hellman |
The Matrix Reloaded |
100
|
2021-06-26T12:16:11Z |
Diffie-Hellman |
The Matrix |
75
|
2021-06-25T11:52:44Z |
Hash Functions |
Hash Stuffing |
50
|
2021-06-25T10:51:07Z |
Elliptic Curves |
Montgomery's Ladder |
40
|
2021-06-25T09:17:59Z |
Symmetric Ciphers |
Dancing Queen |
120
|
2021-06-25T07:42:35Z |
Mathematics |
Roll your Own |
125
|
2021-06-25T06:12:07Z |
General |
SSH Keys |
35
|
2021-05-11T04:43:27Z |
Misc |
Bruce Schneier's Password: Part 2 |
250
|
2021-05-09T09:34:13Z |
Hash Functions |
Invariant |
250
|
2021-05-09T03:20:40Z |
Hash Functions |
Twin Keys |
100
|
2021-05-07T09:23:21Z |
Hash Functions |
PriMeD5 |
100
|
2021-05-06T04:40:49Z |
Misc |
Jeff's LFSR |
150
|
2021-05-06T02:30:07Z |
Misc |
L-Win |
120
|
2021-05-03T13:27:28Z |
RSA |
Let's Decrypt Again |
175
|
2021-05-01T04:32:11Z |
Hash Functions |
No Difference |
175
|
2021-04-30T07:22:51Z |
Hash Functions |
Mixed Up |
120
|
2021-04-30T02:13:19Z |
Misc |
Trust Games |
150
|
2021-04-29T11:16:01Z |
Misc |
Bruce Schneier's Password |
100
|
2021-04-28T02:34:12Z |
Elliptic Curves |
No Random, No Bias |
120
|
2021-04-27T13:43:17Z |
Elliptic Curves |
Edwards Goes Degenerate |
100
|
2021-04-27T09:17:28Z |
Symmetric Ciphers |
Oh SNAP |
120
|
2021-04-27T01:11:51Z |
Symmetric Ciphers |
Logon Zero |
80
|
2021-04-26T11:03:52Z |
RSA |
RSA Backdoor Viability |
175
|
2021-04-25T09:27:38Z |
Crypto on the Web |
JSON in JSON |
40
|
2021-04-25T08:42:08Z |
Crypto on the Web |
RSA or HMAC? |
35
|
2021-04-25T08:08:57Z |
Crypto on the Web |
JWT Secrets |
25
|
2021-04-25T08:03:28Z |
Crypto on the Web |
No Way JOSE |
20
|
2021-04-25T07:56:23Z |
Crypto on the Web |
JWT Sessions |
10
|
2021-04-25T07:46:02Z |
Crypto on the Web |
Token Appreciation |
5
|
2021-04-20T22:58:58Z |
Mathematics |
Cofactor Cofantasy |
150
|
2021-04-20T11:34:25Z |
Hash Functions |
Jack's Birthday Confusion |
30
|
2021-04-20T11:28:53Z |
Hash Functions |
Jack's Birthday Hash |
20
|
2021-04-20T08:43:02Z |
General |
Transparency |
50
|
2020-08-30T08:58:24Z |
RSA |
Let's Decrypt |
80
|
2020-08-30T08:23:36Z |
Mathematics |
Ellipse Curve Cryptography |
125
|
2020-06-06T00:24:17Z |
Symmetric Ciphers |
Forbidden Fruit |
150
|
2020-05-31T11:03:02Z |
Symmetric Ciphers |
Triple DES |
60
|
2020-05-31T08:32:11Z |
Post-Quantum |
Too Many Errors |
100
|
2020-05-31T07:38:44Z |
Hash Functions |
MD0 |
80
|
2020-05-31T05:34:50Z |
Hash Functions |
Collider |
50
|
2020-05-31T04:00:12Z |
Mathematics |
Unencryptable |
125
|
2020-05-31T03:00:43Z |
Mathematics |
Backpack Cryptography |
120
|
2020-05-31T02:01:16Z |
Mathematics |
Find the Lattice |
100
|
2020-05-31T01:03:55Z |
Mathematics |
Gaussian Reduction |
50
|
2020-05-31T00:37:25Z |
Mathematics |
What's a Lattice? |
40
|
2020-05-31T00:28:01Z |
Mathematics |
Gram Schmidt |
30
|
2020-05-31T00:10:11Z |
Mathematics |
Size and Basis |
15
|
2020-05-31T00:08:38Z |
Mathematics |
Vectors |
10
|
2020-05-02T03:53:24Z |
Mathematics |
Real Eisenstein |
150
|
2020-05-01T23:58:39Z |
Symmetric Ciphers |
Paper Plane |
120
|
2020-05-01T07:28:45Z |
Misc |
Nothing Up My Sleeve |
150
|
2020-05-01T04:59:03Z |
Symmetric Ciphers |
Bringing It All Together |
50
|
2020-05-01T04:25:32Z |
Symmetric Ciphers |
Diffusion through Permutation |
30
|
2020-05-01T01:00:43Z |
Symmetric Ciphers |
Confusion through Substitution |
25
|
2020-05-01T00:55:02Z |
Symmetric Ciphers |
Round Keys |
20
|
2020-05-01T00:49:48Z |
Symmetric Ciphers |
Structure of AES |
15
|
2020-05-01T00:46:23Z |
Symmetric Ciphers |
Resisting Bruteforce |
10
|
2020-05-01T00:42:33Z |
Symmetric Ciphers |
Keyed Permutations |
5
|
2020-05-01T00:22:33Z |
Elliptic Curves |
Moving Problems |
150
|
2020-05-01T00:03:03Z |
RSA |
Bespoke Padding |
100
|
2020-04-30T21:53:28Z |
Mathematics |
Broken RSA |
100
|
2020-04-30T21:42:16Z |
Mathematics |
Modular Square Root |
35
|
2020-04-24T02:34:28Z |
Diffie-Hellman |
Static Client 2 |
120
|
2020-04-23T10:24:13Z |
Misc |
Lo-Hi Card Game |
120
|
2020-04-21T08:51:58Z |
Mathematics |
Prime and Prejudice |
200
|
2020-04-21T03:34:34Z |
Misc |
Toshi's Treasure |
150
|
2020-04-17T14:25:23Z |
Elliptic Curves |
Elliptic Nodes |
150
|
2020-04-16T22:52:05Z |
RSA |
Crossed Wires |
100
|
2020-04-16T21:22:11Z |
Mathematics |
Legendre Symbol |
35
|
2020-04-16T21:16:13Z |
Mathematics |
Quadratic Residues |
25
|
2020-04-16T21:14:19Z |
General |
XOR Properties |
15
|
2020-04-16T12:56:14Z |
RSA |
Fast Primes |
75
|
2020-04-15T21:11:02Z |
Symmetric Ciphers |
CTRIME |
70
|
2020-04-15T11:49:30Z |
RSA |
Endless Emails |
150
|
2020-04-14T12:12:39Z |
Symmetric Ciphers |
Lazy CBC |
60
|
2020-04-12T11:58:54Z |
Symmetric Ciphers |
Stream of Consciousness |
80
|
2020-04-12T10:28:07Z |
Symmetric Ciphers |
Bean Counter |
60
|
2020-04-12T09:09:26Z |
Symmetric Ciphers |
Symmetry |
50
|
2020-04-12T08:56:53Z |
RSA |
Vote for Pedro |
150
|
2020-04-12T07:51:22Z |
RSA |
Blinding Light |
120
|
2020-04-12T07:40:20Z |
RSA |
Signing Server |
60
|
2020-04-12T07:30:02Z |
RSA |
Null or Never |
100
|
2020-04-12T06:15:48Z |
RSA |
Ron was Wrong, Whit is Right |
90
|
2020-04-12T04:53:12Z |
Symmetric Ciphers |
Flipping Cookie |
60
|
2020-04-12T04:44:41Z |
Symmetric Ciphers |
ECB CBC WTF |
55
|
2020-04-12T04:34:22Z |
Misc |
Armory |
100
|
2020-04-12T03:10:11Z |
Misc |
Bit by Bit |
100
|
2020-04-12T02:33:54Z |
Misc |
No Leaks |
100
|
2020-04-12T01:21:36Z |
Misc |
Gotta Go Fast |
40
|
2020-04-11T15:10:23Z |
Elliptic Curves |
ProSign 3 |
100
|
2020-04-11T13:51:09Z |
Elliptic Curves |
Curveball |
100
|
2020-04-11T13:10:41Z |
Elliptic Curves |
Micro Transmissions |
120
|
2020-04-11T12:34:40Z |
Elliptic Curves |
Exceptional Curves |
100
|
2020-04-11T11:39:01Z |
Elliptic Curves |
Smooth Criminal |
60
|
2020-04-11T11:23:55Z |
Elliptic Curves |
Efficient Exchange |
50
|
2020-04-11T11:15:05Z |
Elliptic Curves |
Curves and Logs |
40
|
2020-04-11T11:12:19Z |
Elliptic Curves |
Scalar Multiplication |
35
|
2020-04-11T11:10:47Z |
Elliptic Curves |
Point Addition |
30
|
2020-04-11T10:50:13Z |
Elliptic Curves |
Point Negation |
10
|
2020-04-11T10:49:24Z |
Elliptic Curves |
Background Reading |
5
|
2020-04-11T10:42:49Z |
Diffie-Hellman |
Script Kiddie |
70
|
2020-04-11T10:24:06Z |
Diffie-Hellman |
Additive |
70
|
2020-04-11T09:48:09Z |
Diffie-Hellman |
Static Client |
100
|
2020-04-11T08:01:13Z |
Diffie-Hellman |
Export-grade |
100
|
2020-04-11T07:54:16Z |
Diffie-Hellman |
Parameter Injection |
60
|
2020-04-11T07:38:52Z |
Diffie-Hellman |
Diffie-Hellman Starter 5 |
40
|
2020-04-11T07:34:28Z |
Diffie-Hellman |
Diffie-Hellman Starter 4 |
30
|
2020-04-11T07:33:26Z |
Diffie-Hellman |
Diffie-Hellman Starter 3 |
20
|
2020-04-11T07:32:39Z |
Diffie-Hellman |
Diffie-Hellman Starter 2 |
20
|
2020-04-11T07:30:52Z |
Diffie-Hellman |
Diffie-Hellman Starter 1 |
10
|
2020-04-11T05:31:18Z |
RSA |
Marin's Secrets |
50
|
2020-04-11T05:18:54Z |
RSA |
Infinite Descent |
50
|
2020-04-11T02:45:31Z |
RSA |
Everything is Still Big |
100
|
2020-04-11T02:30:25Z |
RSA |
Everything is Big |
70
|
2020-04-11T02:26:26Z |
RSA |
Modulus Inutilis |
50
|
2020-04-11T02:24:16Z |
RSA |
Salty |
20
|
2020-04-11T02:21:12Z |
RSA |
Manyprime |
40
|
2020-04-11T01:59:02Z |
Symmetric Ciphers |
ECB Oracle |
60
|
2020-04-11T01:48:33Z |
RSA |
Square Eyes |
35
|
2020-04-11T01:44:57Z |
RSA |
Monoprime |
30
|
2020-04-11T01:42:52Z |
RSA |
Inferius Prime |
30
|
2020-04-11T01:37:38Z |
RSA |
Factoring |
15
|
2020-04-11T01:36:11Z |
RSA |
RSA Starter 6 |
25
|
2020-04-11T01:31:53Z |
RSA |
RSA Starter 5 |
20
|
2020-04-11T01:31:07Z |
RSA |
RSA Starter 4 |
20
|
2020-04-11T01:30:26Z |
RSA |
RSA Starter 3 |
20
|
2020-04-11T01:29:46Z |
RSA |
RSA Starter 2 |
15
|
2020-04-11T01:29:09Z |
RSA |
RSA Starter 1 |
10
|
2020-04-11T00:02:11Z |
Symmetric Ciphers |
Passwords as Keys |
50
|
2020-04-10T23:27:18Z |
Symmetric Ciphers |
Modes of Operation Starter |
15
|
2020-04-10T23:24:21Z |
Mathematics |
Modular Binomials |
80
|
2020-04-10T22:57:31Z |
General |
Encoding Challenge |
40
|
2020-04-10T15:31:29Z |
Mathematics |
Successive Powers |
60
|
2020-04-10T15:19:23Z |
Mathematics |
Adrien's Signs |
80
|
2020-04-10T15:05:56Z |
General |
CERTainly not |
30
|
2020-04-10T14:51:32Z |
General |
Privacy-Enhanced Mail? |
25
|
2020-04-10T14:44:45Z |
Mathematics |
Chinese Remainder Theorem |
40
|
2020-04-10T14:42:30Z |
General |
Modular Inverting |
25
|
2020-04-10T14:42:08Z |
General |
Modular Arithmetic 2 |
20
|
2020-04-10T14:41:39Z |
General |
Modular Arithmetic 1 |
20
|
2020-04-10T14:40:20Z |
General |
Extended GCD |
20
|
2020-04-10T14:32:44Z |
General |
Greatest Common Divisor |
15
|
2020-04-10T14:32:08Z |
General |
Lemur XOR |
40
|
2020-04-10T14:13:47Z |
General |
You either know, XOR you don't |
30
|
2020-04-10T13:53:14Z |
General |
Favourite byte |
20
|
2020-04-10T13:51:17Z |
General |
XOR Starter |
10
|
2020-04-10T13:49:31Z |
General |
Bytes and Big Integers |
10
|
2020-04-10T13:46:45Z |
General |
Base64 |
10
|
2020-04-10T13:42:34Z |
General |
Hex |
5
|
2020-04-10T13:41:40Z |
General |
ASCII |
5
|
2020-04-10T13:40:50Z |
Introduction |
Network Attacks |
5
|
2020-04-10T13:40:09Z |
Introduction |
Great Snakes |
3
|
2020-04-10T13:39:43Z |
Introduction |
Finding Flags |
2
|