Functionsยง
- calculate_mac 
- HMAC-SHA256 calculation
- calculate_sha512 
- Calculate SHA-512 hash (alias for hash function)
- decrypt
- AES-256-CBC decryption
- derive_secrets 
- HKDF implementation (RFC 5869) - specific implementation that returns the first 3 32-byte chunks
- encrypt
- AES-256-CBC encryption
- hash
- SHA-512 hashing
- verify_mac 
- Verify HMAC