# 云堡垒机SSH运维支持哪些算法？
云堡垒机3.3.26.0及以上版本SSH运维支持的算法如[表1]所示。
 表1SSH运维支持服务器情况 
| 算法类型         | H5页面运维                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | SSH客户端运维                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
|:---|:---|:---|
| Key exchange | - diffie-hellman-group-exchange-sha256  - diffie-hellman-group-exchange-sha1  - diffie-hellman-group14-sha1  - diffie-hellman-group1-sha1  - ecdh-sha2-nistp256  - ecdh-sha2-nistp384  - ecdh-sha2-nistp521  - curve25519-sha256  - curve25519-sha256@libssh.org  - diffie-hellman-group14-sha256                                                                                                                                                                                                                                                                            | - diffie-hellman-group-exchange-sha256  - diffie-hellman-group-exchange-sha1  - diffie-hellman-group14-sha1  - diffie-hellman-group1-sha1  - ecdh-sha2-nistp521  - ecdh-sha2-nistp384  - ecdh-sha2-nistp256                                                                                                                                                                                                                                                                                |
| Encryption   | - aes128-ctr  - aes192-ctr  - aes256-ctr  - aes128-cbc  - aes192-cbc  - aes256-cbc  - 3des-cbc  - blowfish-cbc  - arcfour128  - arcfour  - cast128-cbc  - 3des-cbc  - rijndael-cbc@lysator.liu.se   | - aes128-ctr  - aes192-ctr  - aes256-ctr  - aes128-cbc  - aes192-cbc  - aes256-cbc  - 3des-cbc  - blowfish-cbc  - arcfour128  - arcfour256   |
| HMAC         | - hmac-md5  - hmac-md5-96  - hmac-sha1  - hmac-sha1-96  - hmac-sha2-256  - hmac-sha2-512  - hmac-ripemd160  - hmac-ripemd160@openssh.com                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | - hmac-md5  - hmac-md5-96  - hmac-sha1  - hmac-sha1-96  - hmac-sha2-256  - hmac-sha2-512                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| Host Key     | - ssh-rsa  - ssh-dss  - ecdsa-sha2-nistp256  - ecdsa-sha2-nistp384  - ecdsa-sha2-nistp521  - ssh-ed25519                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | - ssh-rsa  - ssh-dss  - rsa-sha2-256  - rsa-sha2-512  - ecdsa-sha2-nistp256  - ecdsa-sha2-nistp384  - ecdsa-sha2-nistp521                                                                                                                                                                                                                                                                                                                                                                                 |