These are a series of programming solutions to the cryptopals challenges (website).
- Convert hex to base64
- Fixed XOR
- Single-byte XOR cipher
- Detect single-character XOR
- Implement repeating-key XOR
- Break repeating-key XOR
- AES in ECB mode
- Detect AES in ECB mode
- Implement PKCS#7 padding
- Implement CBC mode
- An ECB/CBC detection oracle
- Byte-at-a-time ECB decryption (Simple)
- ECB cut-and-paste
- Byte-at-a-time ECB decryption (Harder)
- PKCS#7 padding validation
- CBC bitflipping attacks