EVP: Add evp_keymgmt_fetch_from_prov()

This is an internal function to fetch a keymgmt method from a specific
provider.

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/16725)

diff --git a/crypto/evp/evp_local.h b/crypto/evp/evp_local.h
index 58c57591207f7c6cca36d2952880f8892cf3fb5d..345bd173c1741346ca33d510a414207135a5dfce 100644 (file)
--- a/crypto/evp/evp_local.h
+++ b/crypto/evp/evp_local.h
@@ -298,6 +298,9 @@ void evp_generic_do_all(OSSL_LIB_CTX *libctx, int operation_id,
 /* Internal fetchers for method types that are to be combined with others */
 EVP_KEYMGMT *evp_keymgmt_fetch_by_number(OSSL_LIB_CTX *ctx, int name_id,
                                          const char *properties);
+EVP_KEYMGMT *evp_keymgmt_fetch_from_prov(OSSL_PROVIDER *prov,
+                                         const char *name,
+                                         const char *properties);
 
 /* Internal structure constructors for fetched methods */
 EVP_MD *evp_md_new(void);

diff --git a/crypto/evp/keymgmt_meth.c b/crypto/evp/keymgmt_meth.c
index 47a0350cc2bb3a84b2e76891d76bb8a0063d6111..fb999c7fd0e96ca6a76f37f8e1d1d694456d4373 100644 (file)
--- a/crypto/evp/keymgmt_meth.c
+++ b/crypto/evp/keymgmt_meth.c
@@ -213,6 +213,17 @@ EVP_KEYMGMT *evp_keymgmt_fetch_by_number(OSSL_LIB_CTX *ctx, int name_id,
                                        (void (*)(void *))EVP_KEYMGMT_free);
 }
 
+EVP_KEYMGMT *evp_keymgmt_fetch_from_prov(OSSL_PROVIDER *prov,
+                                         const char *name,
+                                         const char *properties)
+{
+    return evp_generic_fetch_from_prov(prov, OSSL_OP_KEYMGMT,
+                                       name, properties,
+                                       keymgmt_from_algorithm,
+                                       (int (*)(void *))EVP_KEYMGMT_up_ref,
+                                       (void (*)(void *))EVP_KEYMGMT_free);
+}
+
 EVP_KEYMGMT *EVP_KEYMGMT_fetch(OSSL_LIB_CTX *ctx, const char *algorithm,
                                const char *properties)
 {