conditional code for older openssl versions

Signed-off-by: Michael Baentsch <[email protected]>
open-quantum-safe · Dec 4, 2024 · 1073b43 · 1073b43
1 parent 8ef2757
commit 1073b43
Showing 1 changed file with 12 additions and 7 deletions.
diff --git a/oqsprov/oqs_sig.c b/oqsprov/oqs_sig.c
@@ -1320,13 +1320,16 @@ static int oqs_sig_set_ctx_params(void *vpoqs_sigctx,
         if (!oqs_sig_setup_md(poqs_sigctx, mdname, mdprops))
             return 0;
     }
-    p = OSSL_PARAM_locate_const(params, OSSL_SIGNATURE_PARAM_CONTEXT_STRING);
-    if (p != NULL) {
-        if (!OSSL_PARAM_get_octet_string(
-                p, &poqs_sigctx->context_string, 0,
-                &(poqs_sigctx->context_string_length))) {
-            poqs_sigctx->context_string_length = 0;
-            return 0;
+    if (OPENSSL_VERSION_PREREQ(3, 2)) {
+        p = OSSL_PARAM_locate_const(params,
+                                    OSSL_SIGNATURE_PARAM_CONTEXT_STRING);
+        if (p != NULL) {
+            if (!OSSL_PARAM_get_octet_string(
+                    p, &poqs_sigctx->context_string, 0,
+                    &(poqs_sigctx->context_string_length))) {
+                poqs_sigctx->context_string_length = 0;
+                return 0;
+            }
         }
     }
 
@@ -1337,7 +1340,9 @@ static int oqs_sig_set_ctx_params(void *vpoqs_sigctx,
 static const OSSL_PARAM known_settable_ctx_params[] = {
     OSSL_PARAM_utf8_string(OSSL_SIGNATURE_PARAM_DIGEST, NULL, 0),
     OSSL_PARAM_utf8_string(OSSL_SIGNATURE_PARAM_PROPERTIES, NULL, 0),
+#if (OPENSSL_VERSION_PREREQ(3, 2))
     OSSL_PARAM_octet_string(OSSL_SIGNATURE_PARAM_CONTEXT_STRING, NULL, 0),
+#endif
     OSSL_PARAM_END};
 
 static const OSSL_PARAM *