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tls: retrun the correct IV in getsockopt

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Current code returns four bytes of salt followed by four bytes of IV.
This patch returns all eight bytes of IV.

fixes: 3c4d755915 ("tls: kernel TLS support")
Signed-off-by: Boris Pismenny <borisp@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Boris Pismenny 2018-02-14 10:46:06 +02:00 committed by David S. Miller
parent 8ace02073e
commit a1dfa6812b
1 changed files with 2 additions and 1 deletions
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3
net/tls/tls_main.c
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@ -308,7 +308,8 @@ static int do_tls_getsockopt_tx(struct sock *sk, char __user *optval,
goto out;
}
lock_sock(sk);
memcpy(crypto_info_aes_gcm_128->iv, ctx->iv,
memcpy(crypto_info_aes_gcm_128->iv,
ctx->iv + TLS_CIPHER_AES_GCM_128_SALT_SIZE,
TLS_CIPHER_AES_GCM_128_IV_SIZE);
release_sock(sk);
if (copy_to_user(optval,