nixos/ssh: use known test keys (#386051)

pkgs: {

  # This key is used in integration tests

  # This is NOT a security issue

  # It uses the test key defined in RFC 9500

  # https://datatracker.ietf.org/doc/rfc9500/

  snakeOilPrivateKey = pkgs.writeText "privkey.snakeoil" ''

    -----BEGIN EC PRIVATE KEY-----

    MHcCAQEEIHQf/khLvYrQ8IOika5yqtWvI0oquHlpRLTZiJy5dRJmoAoGCCqGSM49

    AwEHoUQDQgAEKF0DYGbBwbj06tA3fd/+yP44cvmwmHBWXZCKbS+RQlAKvLXMWkpN

    r1lwMyJZoSGgBHoUahoYjTh9/sJL7XLJtA==

    MHcCAQEEIObLW92AqkWunJXowVR2Z5/+yVPBaFHnEedDk5WJxk/BoAoGCCqGSM49

    AwEHoUQDQgAEQiVI+I+3gv+17KN0RFLHKh5Vj71vc75eSOkyMsxFxbFsTNEMTLjV

    uKFxOelIgsiZJXKZNCX0FBmrfpCkKklCcg==

    -----END EC PRIVATE KEY-----

  '';

  snakeOilPublicKey = pkgs.lib.concatStrings [

    "ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHA"

    "yNTYAAABBBChdA2BmwcG49OrQN33f/sj+OHL5sJhwVl2Qim0vkUJQCry1zFpKTa"

    "9ZcDMiWaEhoAR6FGoaGI04ff7CS+1yybQ= snakeoil"

    "yNTYAAABBBEIlSPiPt4L/teyjdERSxyoeVY+9b3O+XkjpMjLMRcWxbEzRDEy41b"

    "ihcTnpSILImSVymTQl9BQZq36QpCpJQnI= snakeoil"

  ];

  # This key is used in integration tests

  # This is NOT a security issue

  # It uses the same key than the one used in OpenSSH fuzz tests

  # https://github.com/openssh/openssh-portable/blob/V_9_9_P2/regress/misc/fuzz-harness/fixed-keys.h#L76-L85

  snakeOilEd25519PrivateKey = pkgs.writeText "privkey.snakeoil" ''

    -----BEGIN OPENSSH PRIVATE KEY-----

    b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW

    QyNTUxOQAAACAYBTIWo1J4PkY4/7AhVyPT8xvAUI67tp+yYFFRdSm7+QAAAJC89yCivPcg

    ogAAAAtzc2gtZWQyNTUxOQAAACAYBTIWo1J4PkY4/7AhVyPT8xvAUI67tp+yYFFRdSm7+Q

    AAAEDJmKp3lX6Pz0unTc0QZwrHb8Eyr9fJUopE9d2/+q+eCxgFMhajUng+Rjj/sCFXI9Pz

    G8BQjru2n7JgUVF1Kbv5AAAACnRvbUBvemRlc2sBAgM=

    QyNTUxOQAAACAz0F5hFTFS5nhUcmnyjFVoDw5L/P7kQU8JnBA2rWczAwAAAIhWlP99VpT/

    fQAAAAtzc2gtZWQyNTUxOQAAACAz0F5hFTFS5nhUcmnyjFVoDw5L/P7kQU8JnBA2rWczAw

    AAAEDE1rlcMC0s0X3TKVZAOVavZOywwkXw8tO5dLObxaCMEDPQXmEVMVLmeFRyafKMVWgP

    Dkv8/uRBTwmcEDatZzMDAAAAAAECAwQF

    -----END OPENSSH PRIVATE KEY-----

  '';

  snakeOilEd25519PublicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBgFMhajUng+Rjj/sCFXI9PzG8BQjru2n7JgUVF1Kbv5 snakeoil";

  snakeOilEd25519PublicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDPQXmEVMVLmeFRyafKMVWgPDkv8/uRBTwmcEDatZzMD snakeoil";

}