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9a05977348
Adds afalg-backend hash support: introduces some private APIs firstly, and then intergrates them into qcrypto_hash_afalg_driver. Signed-off-by: Longpeng(Mike) <longpeng2@huawei.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
65 lines
1.3 KiB
C
65 lines
1.3 KiB
C
/*
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* QEMU Crypto af_alg support
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*
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* Copyright (c) 2017 HUAWEI TECHNOLOGIES CO., LTD.
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*
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* Authors:
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* Longpeng(Mike) <longpeng2@huawei.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or
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* (at your option) any later version. See the COPYING file in the
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* top-level directory.
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*/
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#ifndef QCRYPTO_AFALGPRIV_H
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#define QCRYPTO_AFALGPRIV_H
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#include <linux/if_alg.h>
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#define SALG_TYPE_LEN_MAX 14
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#define SALG_NAME_LEN_MAX 64
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#ifndef SOL_ALG
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#define SOL_ALG 279
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#endif
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#define AFALG_TYPE_CIPHER "skcipher"
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#define AFALG_TYPE_HASH "hash"
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#define ALG_OPTYPE_LEN 4
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#define ALG_MSGIV_LEN(len) (sizeof(struct af_alg_iv) + (len))
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typedef struct QCryptoAFAlg QCryptoAFAlg;
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struct QCryptoAFAlg {
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int tfmfd;
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int opfd;
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struct msghdr *msg;
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struct cmsghdr *cmsg;
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};
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/**
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* qcrypto_afalg_comm_alloc:
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* @type: the type of crypto operation
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* @name: the name of crypto operation
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*
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* Allocate a QCryptoAFAlg object and bind itself to
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* a AF_ALG socket.
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*
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* Returns:
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* a new QCryptoAFAlg object, or NULL in error.
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*/
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QCryptoAFAlg *
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qcrypto_afalg_comm_alloc(const char *type, const char *name,
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Error **errp);
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/**
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* afalg_comm_free:
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* @afalg: the QCryptoAFAlg object
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*
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* Free the @afalg.
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*/
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void qcrypto_afalg_comm_free(QCryptoAFAlg *afalg);
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#endif
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