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SSH2: ssh-rsa is sometimes incorrectly used instead of rsa-sha2-256

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This commit is contained in:
terrafrost 2019-01-16 21:15:11 -06:00
parent 055d6097af
commit b0d63fbfb5
1 changed files with 7 additions and 2 deletions
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5
phpseclib/Net/SSH2.php
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@ -1813,9 +1813,14 @@ class Net_SSH2
}
if ($public_key_format != $expected_key_format || $this->signature_format != $server_host_key_algorithm) {
switch (true) {
case $this->signature_format == $server_host_key_algorithm:
case $server_host_key_algorithm != 'rsa-sha2-256' && $server_host_key_algorithm != 'rsa-sha2-512':
case $this->signature_format != 'ssh-rsa':
user_error('Server Host Key Algorithm Mismatch');
return $this->_disconnect(NET_SSH2_DISCONNECT_KEY_EXCHANGE_FAILED);
}
}
$packet = pack(
'C',