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(parent: 1347320) | patch
KEYS: encrypted: use constant-time HMAC comparison
authorEric Biggers <ebiggers@google.com>
Thu, 8 Jun 2017 13:48:32 +0000 (14:48 +0100)
committerJames Morris <james.l.morris@oracle.com>
Fri, 9 Jun 2017 03:29:47 +0000 (13:29 +1000)
commitd49e439cdbf5a244f4aba6a01172097b7cff9940
treea5200ddfa62a42340dd2ee2e918fb5b001240382tree | snapshot
parent134732087c917d04d22fbe5c2ae8e5f74713f243commit | diff
KEYS: encrypted: use constant-time HMAC comparison

MACs should, in general, be compared using crypto_memneq() to prevent
timing attacks.

Cc: Mimi Zohar <zohar@linux.vnet.ibm.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
security/keys/encrypted-keys/encrypted.c diff | blob | history
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