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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /include/crypto/internal/akcipher.h
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/crypto/internal/akcipher.h')
-rw-r--r--include/crypto/internal/akcipher.h155
1 files changed, 155 insertions, 0 deletions
diff --git a/include/crypto/internal/akcipher.h b/include/crypto/internal/akcipher.h
new file mode 100644
index 0000000000..a0fba4b2ec
--- /dev/null
+++ b/include/crypto/internal/akcipher.h
@@ -0,0 +1,155 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Public Key Encryption
+ *
+ * Copyright (c) 2015, Intel Corporation
+ * Authors: Tadeusz Struk <tadeusz.struk@intel.com>
+ */
+#ifndef _CRYPTO_AKCIPHER_INT_H
+#define _CRYPTO_AKCIPHER_INT_H
+#include <crypto/akcipher.h>
+#include <crypto/algapi.h>
+
+struct akcipher_instance {
+ void (*free)(struct akcipher_instance *inst);
+ union {
+ struct {
+ char head[offsetof(struct akcipher_alg, base)];
+ struct crypto_instance base;
+ } s;
+ struct akcipher_alg alg;
+ };
+};
+
+struct crypto_akcipher_spawn {
+ struct crypto_spawn base;
+};
+
+/*
+ * Transform internal helpers.
+ */
+static inline void *akcipher_request_ctx(struct akcipher_request *req)
+{
+ return req->__ctx;
+}
+
+static inline void *akcipher_request_ctx_dma(struct akcipher_request *req)
+{
+ unsigned int align = crypto_dma_align();
+
+ if (align <= crypto_tfm_ctx_alignment())
+ align = 1;
+
+ return PTR_ALIGN(akcipher_request_ctx(req), align);
+}
+
+static inline void akcipher_set_reqsize(struct crypto_akcipher *akcipher,
+ unsigned int reqsize)
+{
+ akcipher->reqsize = reqsize;
+}
+
+static inline void akcipher_set_reqsize_dma(struct crypto_akcipher *akcipher,
+ unsigned int reqsize)
+{
+ reqsize += crypto_dma_align() & ~(crypto_tfm_ctx_alignment() - 1);
+ akcipher->reqsize = reqsize;
+}
+
+static inline void *akcipher_tfm_ctx(struct crypto_akcipher *tfm)
+{
+ return crypto_tfm_ctx(&tfm->base);
+}
+
+static inline void *akcipher_tfm_ctx_dma(struct crypto_akcipher *tfm)
+{
+ return crypto_tfm_ctx_dma(&tfm->base);
+}
+
+static inline void akcipher_request_complete(struct akcipher_request *req,
+ int err)
+{
+ crypto_request_complete(&req->base, err);
+}
+
+static inline const char *akcipher_alg_name(struct crypto_akcipher *tfm)
+{
+ return crypto_akcipher_tfm(tfm)->__crt_alg->cra_name;
+}
+
+static inline struct crypto_instance *akcipher_crypto_instance(
+ struct akcipher_instance *inst)
+{
+ return container_of(&inst->alg.base, struct crypto_instance, alg);
+}
+
+static inline struct akcipher_instance *akcipher_instance(
+ struct crypto_instance *inst)
+{
+ return container_of(&inst->alg, struct akcipher_instance, alg.base);
+}
+
+static inline struct akcipher_instance *akcipher_alg_instance(
+ struct crypto_akcipher *akcipher)
+{
+ return akcipher_instance(crypto_tfm_alg_instance(&akcipher->base));
+}
+
+static inline void *akcipher_instance_ctx(struct akcipher_instance *inst)
+{
+ return crypto_instance_ctx(akcipher_crypto_instance(inst));
+}
+
+int crypto_grab_akcipher(struct crypto_akcipher_spawn *spawn,
+ struct crypto_instance *inst,
+ const char *name, u32 type, u32 mask);
+
+static inline struct crypto_akcipher *crypto_spawn_akcipher(
+ struct crypto_akcipher_spawn *spawn)
+{
+ return crypto_spawn_tfm2(&spawn->base);
+}
+
+static inline void crypto_drop_akcipher(struct crypto_akcipher_spawn *spawn)
+{
+ crypto_drop_spawn(&spawn->base);
+}
+
+static inline struct akcipher_alg *crypto_spawn_akcipher_alg(
+ struct crypto_akcipher_spawn *spawn)
+{
+ return container_of(spawn->base.alg, struct akcipher_alg, base);
+}
+
+/**
+ * crypto_register_akcipher() -- Register public key algorithm
+ *
+ * Function registers an implementation of a public key verify algorithm
+ *
+ * @alg: algorithm definition
+ *
+ * Return: zero on success; error code in case of error
+ */
+int crypto_register_akcipher(struct akcipher_alg *alg);
+
+/**
+ * crypto_unregister_akcipher() -- Unregister public key algorithm
+ *
+ * Function unregisters an implementation of a public key verify algorithm
+ *
+ * @alg: algorithm definition
+ */
+void crypto_unregister_akcipher(struct akcipher_alg *alg);
+
+/**
+ * akcipher_register_instance() -- Unregister public key template instance
+ *
+ * Function registers an implementation of an asymmetric key algorithm
+ * created from a template
+ *
+ * @tmpl: the template from which the algorithm was created
+ * @inst: the template instance
+ */
+int akcipher_register_instance(struct crypto_template *tmpl,
+ struct akcipher_instance *inst);
+#endif