martinetlee/PyCrypto

PyCrypto

Using Python libraries [PyNacl]/[pyca/Cryptography] to implement some cryptography schemes.

Cryptographic Tools

• Msg Digest using Hash Function (PyNacl)
• Public-Key Cryptography, Generate key pairs and sign msgs (PyNacl)

Cryptogrqphic protocols

Key agreement and establishment

• Diffie-Hellman key exchange https://en.wikipedia.org/wiki/Diffie%E2%80%93Hellman_key_exchange

Enitity authentication

Message Authentication

Non-repudiation

Secret Sharing

Secure multi-party computation

Special Data structures

• a Hashed linked list (prototype of blockchain) (PyNacl)
• Merkel Tree (PyNacl)

Cryptocurrency schemes

• Proof of work scheme
• Proof of stake scheme
• Algorand consensus

Reference

• https://en.wikipedia.org/wiki/Cryptographic_protocol