| Bytes | Bits | Use Cases | Notes |
| 2 bytes | 16 bits | ||
| 4 bytes | 32 bits | ||
| 8 bytes | 64 bits | ||
| 16 bytes | 128 bits | Guid | |
| 24 bytes | 192 bits | ||
| 32 bytes | 256 bits | SHA-2 | |
| 64 bytes | 512 bits | ||
| 128 bytes | 1024 bits |
collision-free 1-way hash function y = g^x mod p block cipher - - - - - - - - - - | API | | Resource Server | - - - - - - - - - -