tree f924db07bd17d916fce5fb8f64877a727262be86
parent e8e365def62b8d549063493479d4587827d9a5d6
author Jouni Malinen <j@w1.fi> 1427636317 +0300
committer Jouni Malinen <j@w1.fi> 1427636317 +0300

Explicitly clear temporary stack buffer in hmac_sha256_kdf()

The local T[] buffer may contain parts of the derived key, so clear it
explicitly to minimize number of unnecessary copies of key material in
memory.

Signed-off-by: Jouni Malinen <j@w1.fi>