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Bluetooth: Add support for handling signature resolving keys

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The connection signature resolving key (CSRK) is used for attribute
protocol signed write procedures. This change generates a new local
key during pairing and requests the peer key as well.

Newly generated key and received key will be provided to userspace
using the New Signature Resolving Key management event.

The Master CSRK can be used for verification of remote signed write
PDUs and the Slave CSRK can be used for sending signed write PDUs
to the remote device.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Marcel Holtmann 2014-03-09 12:19:17 -07:00 • committed by Johan Hedberg
parent 0753c182ef
commit 7ee4ea3692
5 changed files with 114 additions and 5 deletions
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2
net/bluetooth/smp.h
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@ -136,6 +136,8 @@ struct smp_chan {
bdaddr_t id_addr;
u8 id_addr_type;
u8 irk[16];
struct smp_csrk *csrk;
struct smp_csrk *slave_csrk;
struct smp_ltk *ltk;
struct smp_ltk *slave_ltk;
struct smp_irk *remote_irk;