What is Diffie-Hellman Group
Diffie-Hellman Groups are used to determine the strength of the key used in the Diffie-Hellman key exchange process. Higher Diffie-Hellman Group numbers are more secure, but Higher Diffie-Hellman Groups require additional processing resources to compute the key.
| Diffie-Hellman Group | Description |
|---|---|
| Diffie-Hellman Group 1 | 768-bit group |
| Diffie-Hellman Group 2 | 1024-bit group |
| Diffie-Hellman Group 5 | 1536-bit group |
| Diffie-Hellman Group 14 | 2048-bit group |
| Diffie-Hellman Group 15 | 3072-bit group |
| Diffie-Hellman Group 19 | 256-bit elliptic curve group |
| Diffie-Hellman Group 20 | 384-bit elliptic curve group |
| Diffie-Hellman Group 21 | 521-bit elliptic curve group |
| Diffie-Hellman Group 24 | 2048-bit, 256 bit subgroup |