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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141// SPDX-License-Identifier: GPL-2.0-or-later/* * Key-agreement Protocol Primitives (KPP) * * Copyright (c) 2016, Intel Corporation * Authors: Salvatore Benedetto <salvatore.benedetto@intel.com> */
#include <crypto/internal/kpp.h>#include <linux/cryptouser.h>#include <linux/errno.h>#include <linux/kernel.h>#include <linux/module.h>#include <linux/seq_file.h>#include <linux/string.h>#include <net/netlink.h>
#include "internal.h"
static int __maybe_unused crypto_kpp_report( struct sk_buff *skb, struct crypto_alg *alg){ struct crypto_report_kpp rkpp = { .type = "kpp", };
return nla_put(skb, CRYPTOCFGA_REPORT_KPP, sizeof(rkpp), &rkpp);}
static void __maybe_unused crypto_kpp_show(struct seq_file *m, struct crypto_alg *alg){ seq_puts(m, "type : kpp\n");}
static void crypto_kpp_exit_tfm(struct crypto_tfm *tfm){ struct crypto_kpp *kpp = __crypto_kpp_tfm(tfm); struct kpp_alg *alg = crypto_kpp_alg(kpp);
alg->exit(kpp);}
static int crypto_kpp_init_tfm(struct crypto_tfm *tfm){ struct crypto_kpp *kpp = __crypto_kpp_tfm(tfm); struct kpp_alg *alg = crypto_kpp_alg(kpp);
if (alg->exit) kpp->base.exit = crypto_kpp_exit_tfm;
if (alg->init) return alg->init(kpp);
return 0;}
static void crypto_kpp_free_instance(struct crypto_instance *inst){ struct kpp_instance *kpp = kpp_instance(inst);
kpp->free(kpp);}
static const struct crypto_type crypto_kpp_type = { .extsize = crypto_alg_extsize, .init_tfm = crypto_kpp_init_tfm, .free = crypto_kpp_free_instance,#ifdef CONFIG_PROC_FS .show = crypto_kpp_show,#endif#if IS_ENABLED(CONFIG_CRYPTO_USER) .report = crypto_kpp_report,#endif .maskclear = ~CRYPTO_ALG_TYPE_MASK, .maskset = CRYPTO_ALG_TYPE_MASK, .type = CRYPTO_ALG_TYPE_KPP, .tfmsize = offsetof(struct crypto_kpp, base), .algsize = offsetof(struct kpp_alg, base),};
struct crypto_kpp *crypto_alloc_kpp(const char *alg_name, u32 type, u32 mask){ return crypto_alloc_tfm(alg_name, &crypto_kpp_type, type, mask);}EXPORT_SYMBOL_GPL(crypto_alloc_kpp);
int crypto_grab_kpp(struct crypto_kpp_spawn *spawn, struct crypto_instance *inst, const char *name, u32 type, u32 mask){ spawn->base.frontend = &crypto_kpp_type; return crypto_grab_spawn(&spawn->base, inst, name, type, mask);}EXPORT_SYMBOL_GPL(crypto_grab_kpp);
int crypto_has_kpp(const char *alg_name, u32 type, u32 mask){ return crypto_type_has_alg(alg_name, &crypto_kpp_type, type, mask);}EXPORT_SYMBOL_GPL(crypto_has_kpp);
static void kpp_prepare_alg(struct kpp_alg *alg){ struct crypto_alg *base = &alg->base;
base->cra_type = &crypto_kpp_type; base->cra_flags &= ~CRYPTO_ALG_TYPE_MASK; base->cra_flags |= CRYPTO_ALG_TYPE_KPP;}
int crypto_register_kpp(struct kpp_alg *alg){ struct crypto_alg *base = &alg->base;
kpp_prepare_alg(alg); return crypto_register_alg(base);}EXPORT_SYMBOL_GPL(crypto_register_kpp);
void crypto_unregister_kpp(struct kpp_alg *alg){ crypto_unregister_alg(&alg->base);}EXPORT_SYMBOL_GPL(crypto_unregister_kpp);
int kpp_register_instance(struct crypto_template *tmpl, struct kpp_instance *inst){ if (WARN_ON(!inst->free)) return -EINVAL;
kpp_prepare_alg(&inst->alg);
return crypto_register_instance(tmpl, kpp_crypto_instance(inst));}EXPORT_SYMBOL_GPL(kpp_register_instance);
MODULE_LICENSE("GPL");MODULE_DESCRIPTION("Key-agreement Protocol Primitives");