pkcs7: parser support SM2 and SM3 algorithms combination

maillist inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I57J1N

Reference: https://lore.kernel.org/all/20210918080737.17252-2-tianjia.zhang@linux.alibaba.com/



--------------------------------

Support parsing the message signature of the SM2 and SM3 algorithm
combination. This group of algorithms has been well supported. One
of the main users is module signature verification.

Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Reviewed-by: Vitaly Chikunov <vt@altlinux.org>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: GUO Zihua <guozihua@huawei.com>
Reviewed-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Reviewed-by: Wang Weiyang <wangweiyang2@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>