From 63ca5656350a9b798a20a8e5bd55be164a5abeb6 Mon Sep 17 00:00:00 2001 From: Steve French Date: Thu, 15 Oct 2020 23:41:40 -0500 Subject: smb3.1.1: set gcm256 when requested update smb encryption code to set 32 byte key length and to set gcm256 when requested on mount. Signed-off-by: Steve French --- fs/cifs/smb2transport.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'fs/cifs/smb2transport.c') diff --git a/fs/cifs/smb2transport.c b/fs/cifs/smb2transport.c index c0348e3b1695..ebccd71cc60a 100644 --- a/fs/cifs/smb2transport.c +++ b/fs/cifs/smb2transport.c @@ -849,12 +849,13 @@ smb3_crypto_aead_allocate(struct TCP_Server_Info *server) struct crypto_aead *tfm; if (!server->secmech.ccmaesencrypt) { - if (server->cipher_type == SMB2_ENCRYPTION_AES128_GCM) + if ((server->cipher_type == SMB2_ENCRYPTION_AES128_GCM) || + (server->cipher_type == SMB2_ENCRYPTION_AES256_GCM)) tfm = crypto_alloc_aead("gcm(aes)", 0, 0); else tfm = crypto_alloc_aead("ccm(aes)", 0, 0); if (IS_ERR(tfm)) { - cifs_server_dbg(VFS, "%s: Failed to alloc encrypt aead\n", + cifs_server_dbg(VFS, "%s: Failed alloc encrypt aead\n", __func__); return PTR_ERR(tfm); } @@ -862,7 +863,8 @@ smb3_crypto_aead_allocate(struct TCP_Server_Info *server) } if (!server->secmech.ccmaesdecrypt) { - if (server->cipher_type == SMB2_ENCRYPTION_AES128_GCM) + if ((server->cipher_type == SMB2_ENCRYPTION_AES128_GCM) || + (server->cipher_type == SMB2_ENCRYPTION_AES256_GCM)) tfm = crypto_alloc_aead("gcm(aes)", 0, 0); else tfm = crypto_alloc_aead("ccm(aes)", 0, 0); -- cgit