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cfg80211: select CRYPTO_SHA256 if needed

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When regulatory database certificates are built-in, they're
currently using the SHA256 digest algorithm, so add that to
the build in that case.

Also add a note that for custom certificates, one may need
to add the right algorithms.

Reported-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2017-11-24 09:35:25 +01:00
parent a13e8d418f
commit 01a95b2141
1 changed files with 7 additions and 0 deletions
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7
net/wireless/Kconfig
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@ -20,6 +20,10 @@ config CFG80211
tristate "cfg80211 - wireless configuration API"
depends on RFKILL || !RFKILL
select FW_LOADER
# may need to update this when certificates are changed and are
# using a different algorithm, though right now they shouldn't
# (this is here rather than below to allow it to be a module)
select CRYPTO_SHA256 if CFG80211_USE_KERNEL_REGDB_KEYS
---help---
cfg80211 is the Linux wireless LAN (802.11) configuration API.
Enable this if you have a wireless device.
@ -113,6 +117,9 @@ config CFG80211_EXTRA_REGDB_KEYDIR
certificates like in the kernel sources (net/wireless/certs/)
that shall be accepted for a signed regulatory database.
Note that you need to also select the correct CRYPTO_<hash> modules
for your certificates, and if cfg80211 is built-in they also must be.
config CFG80211_REG_CELLULAR_HINTS
bool "cfg80211 regulatory support for cellular base station hints"
depends on CFG80211_CERTIFICATION_ONUS