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authorBruno Thomsen <bth@kamstrup.com>2015-02-20 10:51:17 +0100
committerMichael Olbrich <m.olbrich@pengutronix.de>2015-03-18 14:16:01 +0100
commitac4800f8b3f893426a64b16f1f691ba954232822 (patch)
tree59f78108665013ee104dfa5bda133b0d1899aa95 /rules/dropbear.in
parent990fa4829a90bc1870bbd0817b682ba8d2b43f3f (diff)
downloadptxdist-ac4800f8b3f893426a64b16f1f691ba954232822.tar.gz
ptxdist-ac4800f8b3f893426a64b16f1f691ba954232822.tar.xz
dropbear: version bump 2014.65 -> 2015.67
The new version contain options to enable/disable cipher modes. Default security level increased by disabling CBC mode and enabling CTR mode. Tenable Network Security - Nessus: http://www.tenable.com/plugins/index.php?view=single&id=70658 Signed-off-by: Bruno Thomsen <bth@kamstrup.com> Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
Diffstat (limited to 'rules/dropbear.in')
-rw-r--r--rules/dropbear.in15
1 files changed, 15 insertions, 0 deletions
diff --git a/rules/dropbear.in b/rules/dropbear.in
index fe2ada369..1c1d813fc 100644
--- a/rules/dropbear.in
+++ b/rules/dropbear.in
@@ -203,6 +203,21 @@ config DROPBEAR_TWOFISH256
bijective f function made by four key-dependent
8x8-bit S-boxes.
+config DROPBEAR_CBC_CIPHERS
+ bool
+ prompt "CBC mode ciphers"
+ help
+ Enable CBC mode for ciphers. This has security issues though
+ is the most compatible with older SSH implementations.
+
+config DROPBEAR_CTR_CIPHERS
+ bool
+ prompt "Counter mode ciphers"
+ default y
+ help
+ Enable "Counter Mode" for ciphers. This is more secure than normal
+ CBC mode against certain attacks. This adds around 1kB to binary
+ size and is recommended for most cases.
comment "Integrity, at least one required --- RFC Draft requires sha1-hmac and recommends sha1-96"