Description
The TETRA TEA1 keystream generator implements a key register initialization function that compresses the 80-bit key to only 32 bits for usage during the keystream generation phase, which is insufficient to safeguard against exhaustive search attacks.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| ETSI | TETRA Standard | TEA1 | — |
References
- TETRA:BURST related