However, the primary focus is on generating random keys directly from system entropy.
| Algorithm | Key lengths (bits) | |-----------|--------------------| | AES | 128, 192, 256 | | ChaCha20 | 256 | | RSA | 2048, 3072, 4096 | | ECDSA/EdDSA | 256, 384 (curve‑dependent) | encryption key generator