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ssh-client: Use SHA256 finger prints

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Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Andreas Schneider 2019-03-20 19:05:49 +01:00 committed by Nicolas Viennot
parent 72ddb7eb08
commit 2ffcbbd185
2 changed files with 6 additions and 4 deletions
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4
options-table.c
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@ -925,13 +925,13 @@ const struct options_table_entry options_table[] = {
{ .name = "tmate-server-rsa-fingerprint",
.type = OPTIONS_TABLE_STRING,
.scope = OPTIONS_TABLE_SERVER,
.default_str = "af:2d:81:c1:fe:49:70:2d:7f:09:a9:d7:4b:32:e3:be"
.default_str = "SHA256:Hthk2T/M/Ivqfk1YYUn5ijC2Att3+UPzD7Rn72P5VWs"
},
{ .name = "tmate-server-ecdsa-fingerprint",
.type = OPTIONS_TABLE_STRING,
.scope = OPTIONS_TABLE_SERVER,
.default_str = "c7:a1:51:36:d2:bb:35:4b:0a:1a:c0:43:97:74:ea:42"
.default_str = "SHA256:8GmKHYHEJ6n0TEdciHeEGkKOigQfCFuBULdt6vZIhDc"
},
{ .name = "tmate-display-time",

6
tmate-ssh-client.c
View File

@ -287,12 +287,14 @@ static void on_ssh_client_event(struct tmate_ssh_client *client)
if (ssh_get_publickey(session, &pubkey) < 0)
tmate_fatal("ssh_get_publickey");
if (ssh_get_publickey_hash(pubkey, SSH_PUBLICKEY_HASH_MD5, &hash, &hash_len) < 0) {
if (ssh_get_publickey_hash(pubkey, SSH_PUBLICKEY_HASH_SHA256,
&hash, &hash_len) < 0) {
kill_ssh_client(client, "Cannot authenticate server");
return;
}
hash_str = ssh_get_hexa(hash, hash_len);
hash_str = ssh_get_fingerprint_hash(SSH_PUBLICKEY_HASH_SHA256,
hash, hash_len);
if (!hash_str)
tmate_fatal("malloc failed");