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-rw-r--r--include/crypto/algapi.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index ed68d494b36..ffec530d52f 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -14,5 +14,36 @@
#include <linux/crypto.h>
+struct module;
+
+struct crypto_instance {
+ struct crypto_alg alg;
+
+ struct crypto_template *tmpl;
+ struct hlist_node list;
+
+ void *__ctx[] CRYPTO_MINALIGN_ATTR;
+};
+
+struct crypto_template {
+ struct list_head list;
+ struct hlist_head instances;
+ struct module *module;
+
+ struct crypto_instance *(*alloc)(void *param, unsigned int len);
+ void (*free)(struct crypto_instance *inst);
+
+ char name[CRYPTO_MAX_ALG_NAME];
+};
+
+int crypto_register_template(struct crypto_template *tmpl);
+void crypto_unregister_template(struct crypto_template *tmpl);
+struct crypto_template *crypto_lookup_template(const char *name);
+
+static inline void *crypto_instance_ctx(struct crypto_instance *inst)
+{
+ return inst->__ctx;
+}
+
#endif /* _CRYPTO_ALGAPI_H */