crypto: hash - Move core export and import into internel/hash.h

The core export and import functions are targeted at implementors
so move them into internal/hash.h.

Signed-off-by: Herbert Xu <[email protected]>

Author: herbertx

include/crypto/hash.h

@@ -506,18 +506,6 @@ int crypto_ahash_digest(struct ahash_request *req);
  */
 int crypto_ahash_export(struct ahash_request *req, void *out);
 
-/**
- * crypto_ahash_export_core() - extract core state for message digest
- * @req: reference to the ahash_request handle whose state is exported
- * @out: output buffer of sufficient size that can hold the hash state
- *
- * Export the hash state without the partial block buffer.
- *
- * Context: Softirq or process context.
- * Return: 0 if the export creation was successful; < 0 if an error occurred
- */
-int crypto_ahash_export_core(struct ahash_request *req, void *out);
-
 /**
  * crypto_ahash_import() - import message digest state
  * @req: reference to ahash_request handle the state is imported into
@@ -531,18 +519,6 @@ int crypto_ahash_export_core(struct ahash_request *req, void *out);
  */
 int crypto_ahash_import(struct ahash_request *req, const void *in);
 
-/**
- * crypto_ahash_import_core() - import core state
- * @req: reference to ahash_request handle the state is imported into
- * @in: buffer holding the state
- *
- * Import the hash state without the partial block buffer.
- *
- * Context: Softirq or process context.
- * Return: 0 if the import was successful; < 0 if an error occurred
- */
-int crypto_ahash_import_core(struct ahash_request *req, const void *in);
-
 /**
  * crypto_ahash_init() - (re)initialize message digest handle
  * @req: ahash_request handle that already is initialized with all necessary
@@ -933,18 +909,6 @@ int crypto_hash_digest(struct crypto_ahash *tfm, const u8 *data,
  */
 int crypto_shash_export(struct shash_desc *desc, void *out);
 
-/**
- * crypto_shash_export_core() - extract core state for message digest
- * @desc: reference to the operational state handle whose state is exported
- * @out: output buffer of sufficient size that can hold the hash state
- *
- * Export the hash state without the partial block buffer.
- *
- * Context: Softirq or process context.
- * Return: 0 if the export creation was successful; < 0 if an error occurred
- */
-int crypto_shash_export_core(struct shash_desc *desc, void *out);
-
 /**
  * crypto_shash_import() - import operational state
  * @desc: reference to the operational state handle the state imported into
@@ -959,18 +923,6 @@ int crypto_shash_export_core(struct shash_desc *desc, void *out);
  */
 int crypto_shash_import(struct shash_desc *desc, const void *in);
 
-/**
- * crypto_shash_import_core() - import core state
- * @desc: reference to the operational state handle the state imported into
- * @in: buffer holding the state
- *
- * Import the hash state without the partial block buffer.
- *
- * Context: Softirq or process context.
- * Return: 0 if the import was successful; < 0 if an error occurred
- */
-int crypto_shash_import_core(struct shash_desc *desc, const void *in);
-
 /**
  * crypto_shash_init() - (re)initialize message digest
  * @desc: operational state handle that is already filled

include/crypto/internal/hash.h

@@ -305,5 +305,53 @@ static inline unsigned int crypto_shash_coresize(struct crypto_shash *tfm)
 #define HASH_REQUEST_ZERO(name) \
 	memzero_explicit(__##name##_req, sizeof(__##name##_req))
 
+/**
+ * crypto_ahash_export_core() - extract core state for message digest
+ * @req: reference to the ahash_request handle whose state is exported
+ * @out: output buffer of sufficient size that can hold the hash state
+ *
+ * Export the hash state without the partial block buffer.
+ *
+ * Context: Softirq or process context.
+ * Return: 0 if the export creation was successful; < 0 if an error occurred
+ */
+int crypto_ahash_export_core(struct ahash_request *req, void *out);
+
+/**
+ * crypto_ahash_import_core() - import core state
+ * @req: reference to ahash_request handle the state is imported into
+ * @in: buffer holding the state
+ *
+ * Import the hash state without the partial block buffer.
+ *
+ * Context: Softirq or process context.
+ * Return: 0 if the import was successful; < 0 if an error occurred
+ */
+int crypto_ahash_import_core(struct ahash_request *req, const void *in);
+
+/**
+ * crypto_shash_export_core() - extract core state for message digest
+ * @desc: reference to the operational state handle whose state is exported
+ * @out: output buffer of sufficient size that can hold the hash state
+ *
+ * Export the hash state without the partial block buffer.
+ *
+ * Context: Softirq or process context.
+ * Return: 0 if the export creation was successful; < 0 if an error occurred
+ */
+int crypto_shash_export_core(struct shash_desc *desc, void *out);
+
+/**
+ * crypto_shash_import_core() - import core state
+ * @desc: reference to the operational state handle the state imported into
+ * @in: buffer holding the state
+ *
+ * Import the hash state without the partial block buffer.
+ *
+ * Context: Softirq or process context.
+ * Return: 0 if the import was successful; < 0 if an error occurred
+ */
+int crypto_shash_import_core(struct shash_desc *desc, const void *in);
+
 #endif	/* _CRYPTO_INTERNAL_HASH_H */