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smb3: add defines for new crypto algorithms

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In encryption capabilities negotiate context can now request
AES256 GCM or CCM

Signed-off-by: Steve French <stfrench@microsoft.com>
Acked-by: Ronnie Sahlberg <lsahlber@redhat.com>
This commit is contained in:
Steve French 2020-03-18 00:51:48 -05:00
parent 57c1760740
commit 119e489681
1 changed files with 2 additions and 0 deletions
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2
fs/cifs/smb2pdu.h
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@ -325,6 +325,8 @@ struct smb2_preauth_neg_context {
/* Encryption Algorithms Ciphers */
#define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001)
#define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002)
#define SMB2_ENCRYPTION_AES256_CCM cpu_to_le16(0x0003)
#define SMB2_ENCRYPTION_AES256_GCM cpu_to_le16(0x0004)
/* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */
#define MIN_ENCRYPT_CTXT_DATA_LEN 4