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Support KEX for OpenSSH 8.0+ & quantum resistant KEX #254

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Jan 17, 2020
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Support KEX for OpenSSH 8.0+ & quantum resistant KEX #254

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a6e95f3
Support KEX for OpenSSH 8.0+
lunarthegrey Nov 4, 2019
435ee7f
Add `sntrup4591761x25519-sha512@tinyssh.org` KEX
lunarthegrey Nov 4, 2019
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5 changes: 5 additions & 0 deletions defaults/main.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -209,6 +209,11 @@ ssh_kex_59_default:
ssh_kex_66_default:
- curve25519-sha256@libssh.org
- diffie-hellman-group-exchange-sha256

ssh_kex_80_default:
- sntrup4591761x25519-sha512@tinyssh.org
- curve25519-sha256@libssh.org
- diffie-hellman-group-exchange-sha256

# directory where to store ssh_password policy
ssh_custom_selinux_dir: '/etc/selinux/local-policies'
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5 changes: 5 additions & 0 deletions tasks/crypto.yml
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Expand Up @@ -51,6 +51,11 @@

###

- name: set kex according to openssh-version if openssh >= 8.0
set_fact:
ssh_kex: '{{ ssh_kex_80_default }}'
when: sshd_version.stdout is version('8.0', '>=') and not ssh_kex

- name: set kex according to openssh-version if openssh >= 6.6
set_fact:
ssh_kex: '{{ ssh_kex_66_default }}'
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