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Marked host key type 'ssh-rsa' as weak due to practical SHA-1 collisions.

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This commit is contained in:
Joe Testa
2020-02-08 23:56:54 -05:00
parent 99ae10440b
commit c9a2f2955c
12 changed files with 24 additions and 18 deletions
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5
test/docker/expected_results/dropbear_2019.78_test1.txt
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@ -22,7 +22,8 @@
(key) ecdsa-sha2-nistp256 -- [fail] using weak elliptic curves
 `- [warn] using weak random number generator could reveal the key
`- [info] available since OpenSSH 5.7, Dropbear SSH 2013.62
(key) ssh-rsa (1024-bit) -- [fail] using small 1024-bit modulus
(key) ssh-rsa (1024-bit) -- [fail] using weak hashing algorithm
 `- [warn] using small 1024-bit modulus
`- [info] available since OpenSSH 2.5.0, Dropbear SSH 0.28
(key) ssh-dss -- [fail] removed (in server) and disabled (in client) since OpenSSH 7.0, weak algorithm
 `- [warn] using small 1024-bit modulus
@ -63,7 +64,6 @@
(fin) ssh-rsa: SHA256:CDfAU12pjQS7/91kg7gYacza0U/6PDbE04Ic3IpYxkM
# algorithm recommendations (for Dropbear SSH 2019.78)
(rec) !ssh-rsa -- key algorithm to change (increase modulus size to 2048 bits or larger) 
(rec) -3des-cbc -- enc algorithm to remove 
(rec) -3des-ctr -- enc algorithm to remove 
(rec) -aes128-cbc -- enc algorithm to remove 
@ -71,7 +71,6 @@
(rec) -ecdh-sha2-nistp256 -- kex algorithm to remove 
(rec) -ecdh-sha2-nistp384 -- kex algorithm to remove 
(rec) -ecdh-sha2-nistp521 -- kex algorithm to remove 
(rec) -ecdsa-sha2-nistp256 -- key algorithm to remove 
(rec) -hmac-sha1-96 -- mac algorithm to remove 
(rec) -ssh-dss -- key algorithm to remove 
(rec) +diffie-hellman-group16-sha512 -- kex algorithm to append