SMB3_GCM256_CRYPTKEY_SIZE
out.server_in_key_length = out.server_out_key_length = SMB3_GCM256_CRYPTKEY_SIZE;
rc = crypto_aead_setkey(tfm, key, SMB3_GCM256_CRYPTKEY_SIZE);
SMB3_GCM256_CRYPTKEY_SIZE, ses->smb3encryptionkey);
SMB3_GCM256_CRYPTKEY_SIZE, ses->smb3decryptionkey);
rc = crypto_aead_setkey(tfm, key, SMB3_GCM256_CRYPTKEY_SIZE);