hkdf_expand info arg can be const (#1)

* hkdf_expand info arg can be const
LedgerHQ · Aug 8, 2023 · 8106c4f · 8106c4f
1 parent d31f67c
commit 8106c4f
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/lib_cxng/src/cx_hkdf.c b/lib_cxng/src/cx_hkdf.c
@@ -31,7 +31,7 @@ void cx_hkdf_extract(const cx_md_t hash_id, const unsigned char* ikm, unsigned i
 
 }
 
-void cx_hkdf_expand(const cx_md_t hash_id, const unsigned char *prk, unsigned int prk_len, unsigned char *info,
+void cx_hkdf_expand(const cx_md_t hash_id, const unsigned char *prk, unsigned int prk_len, const unsigned char *info,
                    unsigned int info_len, unsigned char *okm, unsigned int okm_len) {
   unsigned char         i;
   unsigned int          offset = 0;

diff --git a/lib_cxng/src/cx_hkdf.h b/lib_cxng/src/cx_hkdf.h
@@ -5,7 +5,7 @@
 
 void cx_hkdf_extract(const cx_md_t hash_id, const unsigned char *ikm, unsigned int ikm_len, unsigned char *salt,
                      unsigned int salt_len, unsigned char *prk);
-void cx_hkdf_expand(const cx_md_t hash_id, const unsigned char *prk, unsigned int prk_len, unsigned char *info,
+void cx_hkdf_expand(const cx_md_t hash_id, const unsigned char *prk, unsigned int prk_len, const unsigned char *info,
                     unsigned int info_len, unsigned char *okm, unsigned int okm_len);
 
 #endif // CX_HKDF_H