Crypto Challenges

Solutions to CryptoPals, implemented in Rust with a focus on practical cryptographic algorithms.

Challenge Set 1

Challenge	Status	Path
Base64 Encoder	✅ Completed	./challenges/base64
Fixed XOR	✅ Completed	./challenges/fixed_xor
Single-byte XOR cipher	✅ Completed	./challenges/single_xor
Detect single-character XOR	⏳ Pending	-
Implement repeating-key XOR	⏳ Pending	-
Break repeating-key XOR	⏳ Pending	-
AES in ECB mode	⏳ Pending	-
Detect AES in ECB mode	⏳ Pending	-

Goals

• Explore core concepts of modern cryptography
• Build practical Rust skills focused on security
• Solve real-world cryptanalysis challenges efficiently

Requirements

• Rust >= 1.70
• Cargo (to run examples and tests)

Running

cargo run --bin base64