5 files changed, 20 insertions, 110 deletions
diff --git a/.travis/docker/server/Dockerfile b/.travis/docker/server/Dockerfile
index 035d871..66d2957 100644
--- a/.travis/docker/server/Dockerfile
+++ b/.travis/docker/server/Dockerfile
@@ -8,11 +8,11 @@ RUN apk --no-cache add bash git openssh-server && \
 
 WORKDIR /root
 
-COPY ["ssh/server_key", "/etc/ssh/ssh_host_rsa_key"]
-COPY ["ssh/server_key.pub", "/etc/ssh/ssh_host_rsa_key.pub"]
+COPY ["ssh/server_key", "/etc/ssh/ssh_host_ed25519_key"]
+COPY ["ssh/server_key.pub", "/etc/ssh/ssh_host_ed25519_key.pub"]
 COPY ["ssh/client_key.pub", "./.ssh/authorized_keys"]
 
-RUN chmod 0600 -- /etc/ssh/ssh_host_rsa_key && \
+RUN chmod 0600 -- /etc/ssh/ssh_host_ed25519_key && \
     chmod 0700 -- ./.ssh/ && \
     chmod 0600 -- ./.ssh/authorized_keys
 
diff --git a/.travis/docker/ssh/client_key b/.travis/docker/ssh/client_key
index 3e15c7e..7502c82 100644
--- a/.travis/docker/ssh/client_key
+++ b/.travis/docker/ssh/client_key
@@ -1,54 +1,8 @@
------BEGIN RSA PRIVATE KEY-----
-Proc-Type: 4,ENCRYPTED
-DEK-Info: AES-128-CBC,EFA2E15B12D68FC649086F06E013568D
-
-YHB3av+cDZz7vlQDZuZkCsAXjoM8Ms6nrTHUV7s4Vck58qEFB9Zbk1yD86cJVPFr
-/p2fbdG3m7ZBC8QU3SvE1Saqzp1Pmi/6/QwvwlqMcEwXLMCdRuI52yO6F824/3Re
-uRlCzCw1JItJO2c7v/KUbIdJuKsYLJ8SE64Mh7/9QMqmlPxc2Hu7iBiS7XYOzsIT
-vIf7wPjWyKj73/MtMQoiBHoyvF0xc8wYFYS12m4F5F5n2oMp+S+37XLwOj8oIqE4
-Axn81m8Rz2ykfJgMKfsyJ70b7PDvrQkMtdkLxbWMwJcLhMAP6WgGuS+WGwZkUCBZ
-cEataf7nzGEYK1IcFFod9YCJu2fuY+wwWLh17YpCgbeE9UIg/jnolbpEmAkCOLni
-/1XCynHMlSnIWWGJsTtvYpVjbkmmnIY6QwKu7IFZAtZS/n21A/5XI+pbVrbc4HkJ
-pzwPJokOIpJhdYlSfe0ix9i3nUojX7vKbZxRTmMDisZjku0nkCq30CbaaFxlKiY6
-N3Ht6SfSVXWFf8uOzEuhWGtHKi/J18RFZQ5+azhad3oXcBbCkgpvTU2zE8li9aJq
-dXdLB5DSYz7O0rdfZZTw+YuCmGglzQXuNGCvB+909P9/JvQ+woJ3nnzJpQnonh4N
-I8CkQl0s09TZefnVPYJEk2nFyxbThigHhl+6Cej5BamaVyhfpRO+O1j0WF0YIVEp
-6ATyJ20deSTuuMK4B8e145mVAexO4jTCIbEAx8a9q2aaZA8EeMesh2YJHd3rodcw
-ssrIQzIo5mX3bxP1MeLsoIjhfvsAw+JCWiMT8h573ua+Cs1WbhXYpX68wHjljgIX
-Czlow2BwHPLq6xWaoj7KnyykbhiFE2hH5Q5FKuWQGgETxZjsKF/0PNgULZlCwzrm
-0SkiPXIN+IgauwvR2oM4P4tJ9sx+P40Sl3isEBNd+vwrDifjffQYPQgCBMN2xf2X
-ozC6Bi22ywze3rTm8hURbgHEti5oV4DddZ+Gl3pqoFzVKXQ3mbH13c4N4i5mYlyk
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-SfnOaryi8yzvgoGVxSGqt9ADEZqJYOrguRUAE0G2jGQAHOpvt9cZv7bJNG9qdZSH
-fX4LeBaCjiTk7o/lI81YD6ucZpF0L9LP5yf+gDGekFgmOuDDxrnVocg0oeAHkhTF
-JMRgMorLxN+mKD08+FeKiMWk8uqaHzIUqMHgCTkaJDMsbhJ/ijuKwDOPUxxRlt9n
-iA/jL7z9jIcnU3/bC+/YmyzPRGiic4rzSQ1K9LfgfU0Ju7odj5iAyiJlscI42FQ9
-70nzZBW8IGHGn0X3eOPRDhUZ+O5eurC6XhjhHLBqkfmCGZf68FtaHfUH9S000XlF
-OZGF1iCKdF+f+vZDEB4ii/bJe9o1e2tInvBCEJWxvr00kVrjYIKeGjBnhMFEpMsj
-ZSLMDTkf9SNon+wgwiV9Iafx0yWOGBfDB8bPfZmQsINB/mmyvXCSGY+Z+TyvQK1C
-TuaomvLAsUDGLXFLOrM8CDH9xvRILOzrtvWNWR096FxlC9ZiZBYEhtWcNL43A/Qb
-A5yBOD0rcRneD2jyToS1EaMFZJ4vPMcBQ8x0sP2xJlkQmy20Zh72/Szi2ZtDxxII
-KNLLmXBy3MlJ21dYgpnmffjzlh9Esbq2NtBNDP7lLCNnckgZBOxMMUBqvK4Hm6gi
-TOgTZWCeCNHhha8fxuiOf0n2jDZwK6EcN31iwcQjnqSgXm5lGC+xTKWEyw4KejZP
-Y/geAlVqWTvEry4uPuB7ySp2J7Rg+KajE4EbMG064Z4Xl3VYw4pfc/PdNRzeuXSQ
-CtuagjUAiDCOp0GGGCEiwV1v7jlydtcOUIpARf8dZNF1l5mZejkw/Gpqpn5xRl5S
-wCG+HtlFKku1/Ug7CJD7XMHOPjuBSOqOvpLq1Y235EGH9NXZuryEqoqCkj3OxQjy
-lxvkuKxXgM/hORZ2T0PHq7y9SWUvZIOaNbqQBdFP3LC2srj2nxRVPjrIn5QJvmhy
-h6ZtSGzr+tKN7G+lqtRSOXy/lq8R2XGFM7Tn09dZtf3QVLU11Qq/b9QYbjn2l6lR
-/jjxufreGIK0JfFr6cPVQ6hkaPnnS+CbI0eW1fsSnHo1OOmGsQw9vd1WVU40u8dV
-2KMPPr4+xRqC3qLAX7j3TvyxD0A5Nc8jO8b8bCMVcChegJ3ciUxgcd+4YOa5o5iy
-YvfPrZx1W4MNMd5POcU2lYOXApMx6Gh+rrZDKQagITZOZw/ONlLE74AXhFw9zscL
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-kGrEcSZ23p9BBZXAMxABs89CB02e8fDc+LJ6pBuS/yDraj73BSt6MP6IZvfaJA4q
-Gh7db6zRNGoZeAe6M4scrKERYn/8zMs2kEylA0kVL9dQzcVCV/o1y0b7wwhhy12D
-qbojvp0lryk3mB23KIiL6x7BYh7SiJ7mOideJ9Y7SzLLZhSOdRDhmPo1x8NvX16N
-EOIzdGw0f4Ot4i9Kjifmc4cB0uPIyMJkO2feZ7HSg6Igi8QttV9ju0vjIsTBcer/
-6rouf6APpnmrWn3KwnqpQZpF9TJIAzL6eTn6e0muYVJhLVLkR8P+1nuLd5L4Mfxc
-vLuvVOcyOkXb+Az+UUFd754Bxl6R7xQXmHS4+ETGQcgSSNKWA8rOi5w7E6Okaigh
-E17U2OiF1QDqH89s816stMTkF0A+boTodl0RHp307oQsUASNVfZUIJVTqqjOzFAY
-7UYsxeBBHkD4HLzEPcHlxZ38Nj4VprmnKTeAfZJmB0KxLDK1jbE48XYkvcaE3qa+
-B+dORi8sM1ccNgIbUn5mYKh8Yg3orwMGR0kV18KDLHjSka7D8LkXXqlscd0f29fo
------END RSA PRIVATE KEY-----
+-----BEGIN OPENSSH PRIVATE KEY-----
+b3BlbnNzaC1rZXktdjEAAAAACmFlczI1Ni1jdHIAAAAGYmNyeXB0AAAAGAAAABC0VWjnPC
+6+rVnkkogRW2onAAAAZAAAAAEAAAAzAAAAC3NzaC1lZDI1NTE5AAAAIDkpIMideN05ni89
+cmRjdbff6fj4qyukThD2X/gINlVMAAAAkOVOKvBjvIbIoc9JA2q8ui62PqP6dQwwsR94Vr
+/czMBQah5jFKdH9vDiI2JLaGjoH4VvT9mzuPBoE0Vchk6MEpud2dNXWMdb2ubG1d9yTWfV
+XhMXMeNd6UEjY7ypsldhR2X55dvIFeNr9B6A8dMy1Qpeyd62maBOwNdumbsG6MalXOFuv7
+srvnjlwUdHKZV9wg==
+-----END OPENSSH PRIVATE KEY-----
diff --git a/.travis/docker/ssh/client_key.pub b/.travis/docker/ssh/client_key.pub
index 35dbd54..6b0e3e9 100644
--- a/.travis/docker/ssh/client_key.pub
+++ b/.travis/docker/ssh/client_key.pub
@@ -1 +1 @@
-ssh-rsa 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 travis@example.org
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDkpIMideN05ni89cmRjdbff6fj4qyukThD2X/gINlVM root@client
diff --git a/.travis/docker/ssh/server_key b/.travis/docker/ssh/server_key
index ae28564..07774eb 100644
--- a/.travis/docker/ssh/server_key
+++ b/.travis/docker/ssh/server_key
@@ -1,51 +1,7 @@
------BEGIN RSA PRIVATE KEY-----
-MIIJKQIBAAKCAgEAt3NZMSCzeyccuAlUrWGvaOaJQnAjzdv9sZDn2km6Lu5Nnc18
-IlcY8F/DjlBh8PICFM5X6penzet69pVazhF8BF9u0fd3+/wv6ZOSifJ9Uk2fOtIF
-r2yjn9WW2SHMs7xA78Dgk+UVGcd6E5v00pKRNWqrilB8Zj/P4y+9jWHSd85AWpGk
-Nrx9izMbyYEqu/vZFL6bPEEW+xxLtJcPseiRVp56TGhLNSJE741Hv3dyEwp7qKqg
-lc/bqCPLMV4lmqdIQAqyd4BKPyJfQj/kxWK4E1L59zmJegOJI8itP13aEYY3GdEF
-8Ka4cTqqp8B212QQ5x2F8rPDvCMUv7A8B+Zc3F+sqlHVLZU1sU356oZT+2MXnFcu
-EdfUxCNslUeGAfgzUT8anJvLH6FhrajUBnXfxI0duxSYfGJzFS8dnHZvzrQmVt0s
-VeSSQgS89jb8xlzG7+WBcBLMhXwhNuf2Ft2tWTf4qLDbo7mMQXD4Kyr7ZQim7kjR
-uZ7IjdpLZMysAzoHexv33+mkA7dP1/cyNHqyn2AAkUz0HnRogumlH+8umHUuVR8A
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-i23YKX+BQlXh2BfCA7FrE88RIb1ADGM2t9mb9sgnYEr0GNkpiw6kzHhKUBHAX7qP
-no254nDO/MNHJdzyYKwPvj4SlY3Olo8lKqo4YmYJd9XTPBe11f/r2e+D6fFDDsz+
-YXnJuMflhNkMhwqDYRcVIfF6TGdyA1a3MFv++0uBkP7AxjGMxi4OdSNOx/4+V3BD
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-/IpyA5QRLS+DJLeNyfvup7Czt07ZTMqX+EEGb9FACqD79dmXFCkpG3Ss2zWX7Iqt
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-X1+lPpqQDkugV0L1xUt3qofAPGhFxCyAnxWCBfhZJCh9MdAL9ac1jS4SOkjhhGRk
-dTSZ9XUDACLVgF3WiMJ/aVltz1fRxrqa0V13p/h7jYcB7M0sj3Q+HaV4U6n7qIOK
-3WabPRknWS7MQHsCggEBAMy6mrOdXJ4c4hYM4UglbnsBsuz6FfiSuowl3LYzsn6h
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-IaL39XooeDVkLfBfy/r/zahhR+kJkQEEPn9HRMvHHlMeMFZe1RIhDRTJuUT+RUSB
-F5wxYNTD8inWvlLFAGNJL0i2XehKWrl/9zsA9Nf4D1zkKWBS+pJRCcmY3vpl4JJs
-f/xM7oIjJXVkV8svXuqYU6JDy5o9zPK56sy2q7LI82tqq9qDuLmk8ahGcz4BoqRy
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-SO5x7Ctk6SGxOJIfqIbnW01MWvye3ETSBe14ofELL4ZWuzapQP7KX+KWIYH8i+JJ
-n+1W5rJv/T/ux2WHHvKowpUa0pVvUCqDm9vxSzCe2HADolgnur9jrb6vnHOF9YEV
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-SAx/mLcCggEAYsU8UZ9/yYBhywWXwnjcnlepfQ8CfpQ7j9XMb9LtMI7bub5ta/DF
-/YD68y8fNoMXYIHUpyVgswtD8JPk2y/ez5wvIGEvvREptA9R5lcFUmQ2ZCuAsNjJ
-dejJCQkOnh+/lpaoXNOSs4zaogk+NZnxFWShKWpDHaX4a6kOyyxpOq2VOHPSJZQL
-RwgldkU49K2gNFJXZ/RHZOtJ2ZuShIdW0hf5plEiNmkGcc5g9SkleT8DWDO9deeC
-8OniOVK3VjL7VnOizN03/XqYvv76Qx0T4yTpmFioTFg5hlfGzYl4cCIpt1SaO+Bj
-kaQPfDOlU29v5d6TgH4X2hlXjDaEj0dA7QKCAQBeORjaNa+gd0yyrLQnC8w0M1Sr
-vCbUs4yzFkFWVz1CojnxxmjPJc+lnN1jOMlk9TZqN4QcZ2VZnlBIDWHXinOq6suf
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-JkaDJ1tV5QBJULOcijgL0WGgSTzcsBaO1hqhrcHqyZI4NtGvXXDsfIznn+EtW2SK
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-yLMXQTEEGdcHsIjs9G9W7yeSloxG7PHjWu93p30hrdYgkCI/1ZuvhMIVd8UY
------END RSA PRIVATE KEY-----
+-----BEGIN OPENSSH PRIVATE KEY-----
+b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW
+QyNTUxOQAAACCXhJs2H7dvamDdK51mhWEAGuXnBsCVEKdWxyPjWYNgigAAAJDx95CI8feQ
+iAAAAAtzc2gtZWQyNTUxOQAAACCXhJs2H7dvamDdK51mhWEAGuXnBsCVEKdWxyPjWYNgig
+AAAEBkubMLhAF/0hCKnq2l3BuexD4UIQ+qcXW5ke+DWhQ8DJeEmzYft29qYN0rnWaFYQAa
+5ecGwJUQp1bHI+NZg2CKAAAAC3Jvb3RAc2VydmVyAQI=
+-----END OPENSSH PRIVATE KEY-----
diff --git a/.travis/docker/ssh/server_key.pub b/.travis/docker/ssh/server_key.pub
index 788daca..601277f 100644
--- a/.travis/docker/ssh/server_key.pub
+++ b/.travis/docker/ssh/server_key.pub
@@ -1 +1 @@
-ssh-rsa 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 travis@example.org
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJeEmzYft29qYN0rnWaFYQAa5ecGwJUQp1bHI+NZg2CK root@server