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

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

View File

@ -32,7 +32,8 @@
`- [info] available since OpenSSH 2.3.0, Dropbear SSH 0.28
# host-key algorithms
(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-rsa-cert-v01@openssh.com (1024-bit cert/3072-bit CA) -- [fail] using small 1024-bit modulus
`- [info] available since OpenSSH 5.6
@ -120,7 +121,6 @@
# algorithm recommendations (for OpenSSH 5.6)
(rec) !diffie-hellman-group-exchange-sha256 -- kex algorithm to change (increase modulus size to 2048 bits or larger) 
(rec) !ssh-rsa -- key algorithm to change (increase modulus size to 2048 bits or larger) 
(rec) !ssh-rsa-cert-v01@openssh.com -- key algorithm to change (increase modulus size to 2048 bits or larger) 
(rec) -3des-cbc -- enc algorithm to remove 
(rec) -aes128-cbc -- enc algorithm to remove 
@ -139,6 +139,7 @@
(rec) -hmac-ripemd160@openssh.com -- mac algorithm to remove 
(rec) -hmac-sha1-96 -- mac algorithm to remove 
(rec) -rijndael-cbc@lysator.liu.se -- enc algorithm to remove 
(rec) -ssh-rsa -- key algorithm to remove 
(rec) -diffie-hellman-group14-sha1 -- kex algorithm to remove 
# additional info