From: Richard Levitte <levitte@openssl.org>
Date: Wed, 5 Feb 2020 09:18:51 +0000 (+0100)
Subject: EVP: Adapt EVP_PKEY_missing_parameters() for provider keys
X-Git-Tag: openssl-3.0.0-alpha1~351
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=157ded39ee68c1c00814165f79f9b2f000996884;p=oweals%2Fopenssl.git

EVP: Adapt EVP_PKEY_missing_parameters() for provider keys

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/11158)
---

diff --git a/crypto/evp/keymgmt_lib.c b/crypto/evp/keymgmt_lib.c
index a88d65dc5e..dfa53b849a 100644
--- a/crypto/evp/keymgmt_lib.c
+++ b/crypto/evp/keymgmt_lib.c
@@ -214,3 +214,12 @@ void *evp_keymgmt_util_fromdata(EVP_PKEY *target, EVP_KEYMGMT *keymgmt,
 
     return keydata;
 }
+
+int evp_keymgmt_util_has(EVP_PKEY *pk, int selection)
+{
+    /* Check if key is even assigned */
+    if (pk->keymgmt == NULL)
+        return 0;
+
+    return evp_keymgmt_has(pk->keymgmt, pk->keydata, selection);
+}
diff --git a/crypto/evp/p_lib.c b/crypto/evp/p_lib.c
index 621d99d171..f2761823fc 100644
--- a/crypto/evp/p_lib.c
+++ b/crypto/evp/p_lib.c
@@ -114,8 +114,13 @@ int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from)
 
 int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey)
 {
-    if (pkey != NULL && pkey->ameth && pkey->ameth->param_missing)
-        return pkey->ameth->param_missing(pkey);
+    if (pkey != NULL) {
+        if (pkey->keymgmt != NULL)
+            return !evp_keymgmt_util_has((EVP_PKEY *)pkey,
+                                         OSSL_KEYMGMT_SELECT_ALL_PARAMETERS);
+        else if (pkey->ameth != NULL && pkey->ameth->param_missing != NULL)
+            return pkey->ameth->param_missing(pkey);
+    }
     return 0;
 }
 
diff --git a/include/crypto/evp.h b/include/crypto/evp.h
index ddba4083e9..bd624575bb 100644
--- a/include/crypto/evp.h
+++ b/include/crypto/evp.h
@@ -619,6 +619,7 @@ int evp_keymgmt_util_cache_keydata(EVP_PKEY *pk, size_t index,
 void evp_keymgmt_util_cache_keyinfo(EVP_PKEY *pk);
 void *evp_keymgmt_util_fromdata(EVP_PKEY *target, EVP_KEYMGMT *keymgmt,
                                 int selection, const OSSL_PARAM params[]);
+int evp_keymgmt_util_has(EVP_PKEY *pk, int selection);
 
 
 /*