Make the "engine" parameter to some provider algorithms (KDF/PRF) hidden.

This parameter will disappear once engines are wrapped by a provider so
it shouldn't ever be visible to the public.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9971)

diff --git a/include/openssl/core_names.h b/include/openssl/core_names.h
index ad4cf50bb5987fd99c7aa24852d194d0b7a54406..e395ed3b7b5013757ea079cdb53f77343510fb56 100644 (file)
--- a/include/openssl/core_names.h
+++ b/include/openssl/core_names.h
@@ -48,7 +48,6 @@ extern "C" {
 #define OSSL_ALG_PARAM_DIGEST       "digest"    /* utf8_string */
 #define OSSL_ALG_PARAM_CIPHER       "cipher"    /* utf8_string */
 #define OSSL_ALG_PARAM_MAC          "mac"       /* utf8_string */
-#define OSSL_ALG_PARAM_ENGINE       "engine"    /* utf8_string */
 #define OSSL_ALG_PARAM_PROPERTIES   "properties"/* utf8_string */
 
 /* cipher parameters */
@@ -94,7 +93,6 @@ extern "C" {
  */
 #define OSSL_MAC_PARAM_CIPHER       OSSL_ALG_PARAM_CIPHER     /* utf8 string */
 #define OSSL_MAC_PARAM_DIGEST       OSSL_ALG_PARAM_DIGEST     /* utf8 string */
-#define OSSL_MAC_PARAM_ENGINE       OSSL_ALG_PARAM_ENGINE     /* utf8 string */
 #define OSSL_MAC_PARAM_PROPERTIES   OSSL_ALG_PARAM_PROPERTIES /* utf8 string */
 #define OSSL_MAC_PARAM_SIZE         "size"       /* size_t */
 
@@ -112,7 +110,6 @@ extern "C" {
 #define OSSL_KDF_PARAM_DIGEST       OSSL_ALG_PARAM_DIGEST     /* utf8 string */
 #define OSSL_KDF_PARAM_MAC          OSSL_ALG_PARAM_MAC        /* utf8 string */
 #define OSSL_KDF_PARAM_MAC_SIZE     "maclen"    /* size_t */
-#define OSSL_KDF_PARAM_ENGINE       OSSL_ALG_PARAM_ENGINE     /* utf8 string */
 #define OSSL_KDF_PARAM_PROPERTIES   OSSL_ALG_PARAM_PROPERTIES /* utf8 string */
 #define OSSL_KDF_PARAM_ITER         "iter"      /* unsigned int */
 #define OSSL_KDF_PARAM_MODE         "mode"      /* utf8 string or int */

diff --git a/providers/common/provider_util.c b/providers/common/provider_util.c
index 796d00d3762cc6ada9448446b76f4f0a62399ed0..8384cdc2a0f94e71a0bc27cdf4da6aab774cc94f 100644 (file)
--- a/providers/common/provider_util.c
+++ b/providers/common/provider_util.c
@@ -46,7 +46,7 @@ static int load_common(const OSSL_PARAM params[], const char **propquery,
     /* TODO legacy stuff, to be removed */
     /* Inside the FIPS module, we don't support legacy ciphers */
 #if !defined(FIPS_MODE) && !defined(OPENSSL_NO_ENGINE)
-    p = OSSL_PARAM_locate_const(params, OSSL_ALG_PARAM_ENGINE);
+    p = OSSL_PARAM_locate_const(params, "engine");
     if (p != NULL) {
         if (p->data_type != OSSL_PARAM_UTF8_STRING)
             return 0;
@@ -221,10 +221,10 @@ int ossl_prov_macctx_load_from_params(EVP_MAC_CTX **macctx,
                                                  (char *)properties, 0);
 
 #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODE)
-    if ((p = OSSL_PARAM_locate_const(params, OSSL_ALG_PARAM_ENGINE)) != NULL) {
+    if ((p = OSSL_PARAM_locate_const(params, "engine")) != NULL) {
         if (p->data_type != OSSL_PARAM_UTF8_STRING)
             return 0;
-        *mp++ = OSSL_PARAM_construct_utf8_string(OSSL_MAC_PARAM_ENGINE,
+        *mp++ = OSSL_PARAM_construct_utf8_string("engine",
                                                  p->data, p->data_size);
     }
 #endif