Kotlin solutions to cryptopals challenges.

Helpful code

Simple kotlin Implementation of AES 128

Mersenne Twister

Set 1:Basics

No.	Topic
1	Convert hex to base64
2	Fixed XOR
3	Single-byte XOR cipher
4	Detect single-character XOR
5	Implement repeating-key XOR
6	Break repeating-key XOR
7	AES in ECB mode
8	Detect AES in ECB mode

Set 2:Block crypto

No.	Topic
9	Implement PKCS#7 padding
10	Implement CBC mode
11	An ECB/CBC detection oracle
12	Byte-at-a-time ECB decryption (Simple)
13	ECB cut-and-paste
14	Byte-at-a-time ECB decryption (Harder)
15	PKCS#7 padding validation
16	CBC bitflipping attacks

Set 3:Block & Stream crypto

No.	Topic
17	The CBC padding oracle
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

No.	Topic
25	Break "random access read/write" AES CTR