EVP: add name traversal functions to all fetchable types

[openssl.git] / crypto / evp / pmeth_fn.c

diff --git a/crypto/evp/pmeth_fn.c b/crypto/evp/pmeth_fn.c
index c7940e8e38f94fed5bc1aaa018304d18dc98237b..685b6886c0ca2b305a99c2d64b2b8a44f7ab238e 100644 (file)
--- a/crypto/evp/pmeth_fn.c
+++ b/crypto/evp/pmeth_fn.c
@@ -312,6 +312,35 @@ EVP_SIGNATURE *EVP_SIGNATURE_fetch(OPENSSL_CTX *ctx, const char *algorithm,
                              (void (*)(void *))EVP_SIGNATURE_free);
 }
 
+int EVP_SIGNATURE_is_a(const EVP_SIGNATURE *signature, const char *name)
+{
+    return evp_is_a(signature->prov, signature->name_id, name);
+}
+
+void EVP_SIGNATURE_do_all_provided(OPENSSL_CTX *libctx,
+                                   void (*fn)(EVP_SIGNATURE *signature,
+                                              void *arg),
+                                   void *arg)
+{
+    struct keymgmt_data_st keymgmt_data;
+
+    keymgmt_data.ctx = libctx;
+    keymgmt_data.properties = NULL;
+    evp_generic_do_all(libctx, OSSL_OP_SIGNATURE,
+                       (void (*)(void *, void *))fn, arg,
+                       evp_signature_from_dispatch, &keymgmt_data,
+                       (void (*)(void *))EVP_SIGNATURE_free);
+}
+
+
+void EVP_SIGNATURE_names_do_all(const EVP_SIGNATURE *signature,
+                                void (*fn)(const char *name, void *data),
+                                void *data)
+{
+    if (signature->prov != NULL)
+        evp_names_do_all(signature->prov, signature->name_id, fn, data);
+}
+
 static int evp_pkey_signature_init(EVP_PKEY_CTX *ctx, EVP_SIGNATURE *signature,
                                    int operation)
 {