Improve code reuse in the provider MAC bridge

[openssl.git] / providers / common / include / prov / provider_util.h

diff --git a/providers/common/include/prov/provider_util.h b/providers/common/include/prov/provider_util.h
index 9b5b9832998ce25b3f0f4e1679d756512af45b79..d964f832ad7c775ead7b8561d52bb861ccec6318 100644 (file)
--- a/providers/common/include/prov/provider_util.h
+++ b/providers/common/include/prov/provider_util.h
@@ -78,6 +78,21 @@ int ossl_prov_digest_copy(PROV_DIGEST *dst, const PROV_DIGEST *src);
 const EVP_MD *ossl_prov_digest_md(const PROV_DIGEST *pd);
 ENGINE *ossl_prov_digest_engine(const PROV_DIGEST *pd);
 
+
+/*
+ * Set the various parameters on an EVP_MAC_CTX from the supplied arguments.
+ * If any of the supplied ciphername/mdname etc are NULL then the values
+ * from the supplied params (if non NULL) are used instead.
+ */
+int ossl_prov_set_macctx(EVP_MAC_CTX *macctx,
+                         const OSSL_PARAM params[],
+                         const char *ciphername,
+                         const char *mdname,
+                         const char *engine,
+                         const char *properties,
+                         const unsigned char *key,
+                         size_t keylen);
+
 /* MAC functions */
 /*
  * Load an EVP_MAC_CTX* from the specified parameters with the specified