NixOS can automatically generate SSH host keys. This option specifies the path, type and size of each key. See ssh-keygen(1) for supported types and sizes.
Declarations
Type
list of (attribute set)Default
[
{
bits = 4096;
path = "/etc/ssh/ssh_host_rsa_key";
type = "rsa";
}
{
path = "/etc/ssh/ssh_host_ed25519_key";
type = "ed25519";
}
]Example
[
{
bits = 4096;
openSSHFormat = true;
path = "/etc/ssh/ssh_host_rsa_key";
rounds = 100;
type = "rsa";
}
{
comment = "key comment";
path = "/etc/ssh/ssh_host_ed25519_key";
rounds = 100;
type = "ed25519";
}
]