From SCU 2023-2 onwards, CCS uses the LibSSH third-party library for SSH communication, replacing the PuTTY library.
Following is the list of algorithms supported in CCS for SSH connection:
Key Exchange Algorithms |
diffie-hellman-group-exchange-sha256 |
diffie-hellman-group14-sha256 |
diffie-hellman-group16-sha512 |
diffie-hellman-group18-sha512 |
curve25519-sha256 |
ecdh-sha2-nistp256 |
ecdh-sha2-nistp384 |
ecdh-sha2-nistp521 |
diffie-hellman-group1-sha1 |
diffie-hellman-group14-sha1 |
diffie-hellman-group-exchange-sha1 |
MAC |
hmac-sha2-256 |
hmac-sha2-512 |
macs hmac-sha1 |
macs [email protected] |
HostKey Algorithms |
rsa-sha2-256 |
rsa-sha2-512 |
ssh-ed25519 |
ecdsa-sha2-nistp256 |
ssh-rsa |
Cipher/Encryption Algorithms |
aes256-ctr |
aes192-ctr |
aes128-ctr |
chacha20-poly1305 |
aes256-cbc |
aes192-cbc |
aes128-cbc |
3des-cbc |