This patch allows several DRBG functions to be called by the LRNG kernel
code paths outside the drbg.c file.
Signed-off-by: Stephan Mueller <smueller@xxxxxxxxxx>
---
crypto/drbg.c | 11 +++++------
include/crypto/drbg.h | 7 +++++++
2 files changed, 12 insertions(+), 6 deletions(-)
diff --git a/crypto/drbg.c b/crypto/drbg.c
index 0a3538f..c339a2e 100644
--- a/crypto/drbg.c
+++ b/crypto/drbg.c
@@ -113,7 +113,7 @@
* the SHA256 / AES 256 over other ciphers. Thus, the favored
* DRBGs are the latest entries in this array.
*/
-static const struct drbg_core drbg_cores[] = {
+struct drbg_core drbg_cores[] = {
#ifdef CONFIG_CRYPTO_DRBG_CTR
{
.flags = DRBG_CTR | DRBG_STRENGTH128,
@@ -205,7 +205,7 @@ static int drbg_uninstantiate(struct drbg_state *drbg);
* Return: normalized strength in *bytes* value or 32 as default
* to counter programming errors
*/
-static inline unsigned short drbg_sec_strength(drbg_flag_t flags)
+unsigned short drbg_sec_strength(drbg_flag_t flags)
{
switch (flags & DRBG_STRENGTH_MASK) {
case DRBG_STRENGTH128:
@@ -1140,7 +1140,7 @@ static int drbg_seed(struct drbg_state *drbg, struct drbg_string *pers,
}
/* Free all substructures in a DRBG state without the DRBG state structure */
-static inline void drbg_dealloc_state(struct drbg_state *drbg)
+void drbg_dealloc_state(struct drbg_state *drbg)
{
if (!drbg)
return;
@@ -1159,7 +1159,7 @@ static inline void drbg_dealloc_state(struct drbg_state *drbg)
* Allocate all sub-structures for a DRBG state.
* The DRBG state structure must already be allocated.
*/
-static inline int drbg_alloc_state(struct drbg_state *drbg)
+int drbg_alloc_state(struct drbg_state *drbg)
{
int ret = -ENOMEM;
unsigned int sb_size = 0;
@@ -1682,8 +1682,7 @@ static int drbg_kcapi_sym(struct drbg_state *drbg, const unsigned char *key,
*
* return: flags
*/
-static inline void drbg_convert_tfm_core(const char *cra_driver_name,
- int *coreref, bool *pr)
+void drbg_convert_tfm_core(const char *cra_driver_name, int *coreref, bool *pr)
{
int i = 0;
size_t start = 0;
diff --git a/include/crypto/drbg.h b/include/crypto/drbg.h
index d961b2b..d24ec22 100644
--- a/include/crypto/drbg.h
+++ b/include/crypto/drbg.h
@@ -268,4 +268,11 @@ enum drbg_prefixes {
DRBG_PREFIX3
};
+extern int drbg_alloc_state(struct drbg_state *drbg);
+extern void drbg_dealloc_state(struct drbg_state *drbg);
+extern void drbg_convert_tfm_core(const char *cra_driver_name, int *coreref,
+ bool *pr);
+extern struct drbg_core drbg_cores[];
+extern unsigned short drbg_sec_strength(drbg_flag_t flags);
+
#endif /* _DRBG_H */
--
2.5.5
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