@ryanc @jima As of 0.80 (latest release, addresses the Terrapin vulnerability), PuTTY supports:
Key exchange algorithms:
- NTRU Prime / Curve25519 hybrid
- ECDH
- Diffie-Hellman (no group specified)
- Diffie-Hellman groups 16, 17, 18, 15, 14, 1
- RSACiphers:
- AES
- ChaCha20
- AES-GCM
- Blowfish
- 3DES
- DES
- Arcfour