mptcp: use rightmost 64 bits in ADD_ADDR HMAC

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This changes the HMAC used in the ADD_ADDR option from the leftmost 64
bits to the rightmost 64 bits as described in RFC 8684, section 3.4.1.

This issue was discovered while adding support to packetdrill for the
ADD_ADDR v1 option.

Fixes: 3df523ab58 ("mptcp: Add ADD_ADDR handling")
Signed-off-by: Todd Malsbary <todd.malsbary@linux.intel.com>
Acked-by: Christoph Paasch <cpaasch@apple.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

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This commit is contained in:

Todd Malsbary 2020-05-19 09:45:34 -07:00 • committed by David S. Miller

parent f25641c08c

commit 12555a2d97

1 changed files with 2 additions and 2 deletions

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net/mptcp/options.c

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