Solutions to some of the Matasano Crypto Challenges found at cryptopals.com
learn programming in C/python, and my first crack at GIT and GitHub.
##Set 1: Basics
| Challenge | Progress |
|---|---|
| 1: Set 1 challenges are complete |
|
##Set 2: Block crypto
| Challenge | Progress |
|---|---|
| 9: Implement PKCS#7 padding | Complete |
| 10:Implement CBC moode | Complete |
| 11: An ECB/CBC detection oracle | Complete |
| 12: Byte-at-a-time ECB decryption (simple) | Complete |
| 13: ECB cut-and-paste | complete |
| 14: Byte-at-a-time ECB decryption (Harder) | complete |
| 15: PKCS#7 padding validation | complete |
| 16: CBC bitflipping attacks | complete |
##Set 3: Block & stream crypto
| Challenge | Progress |
|---|---|
| 17: The CBC padding oracle | Complete |
| 18: Implement CTR, the stream cipher mode | |
| 19: Break fixed-nonce CTR mode using substitutions | |
| 20: Break fixed-nonce CTR statistically | |
| 21: Implement the MT19937 Mersenne Twister RNG | |
| 22: Crack an MT19937 seed | |
| 23: Clone an MT19937 RNG from its output | |
| 24: Create the MT19937 stream cipher and break it |
##Set 4: Stream crypto and randomness
| Challenge | Progress |
|---|---|
| 25: Break "random access read/write" AES CTR | |
| 26: CTR bitflipping | |
| 27: Recover the key from CBC with IV=Key | |
| 28: Implement a SHA-1 keyed MAC | |
| 29: Break a SHA-1 keyed MAC using length extension | |
| 30: Break an MD4 keyed MAC using length extension | |
| 32: Break HMAC-SHA1 with a slightly less artificial timing leak |
##Set 5: Diffie-Hellman and friends
| Challenge | Progress |
|---|---|
| 33: Implement Diffie-Hellman | |
| 34: Implement a MITM key-fixing attack on Diffie-Hellman with parameter injection | |
| 35: Implement DH with negotiated groups, and break with malicious "g" parameters | |
| 36: Implement Secure Remote Password (SRP) | |
| 37: Break SRP with a zero key | |
| 38: Offline dictionary attack on simplified SRP | |
| 39: Implement RSA | |
| 40: Implement an E=3 RSA Broadcast attack |