Add test for resetting SM2 dist ID
@@ -1963,6 +1963,24 @@ static int test_EVP_SM2(void)
if (!TEST_int_gt(EVP_DigestVerifyFinal(md_ctx_verify, sig, sig_len), 0))
goto done;
+ /*
+ * Try verify again with non-matching 0 length id but ensure that it can
+ * be set on the context and overrides the previous value.
+ */
+
+ if (!TEST_true(EVP_DigestVerifyInit(md_ctx_verify, NULL, check_md, NULL,
+ pkey)))
+ goto done;
+
+ if (!TEST_int_gt(EVP_PKEY_CTX_set1_id(sctx, NULL, 0), 0))
+ goto done;
+
+ if (!TEST_true(EVP_DigestVerifyUpdate(md_ctx_verify, kMsg, sizeof(kMsg))))
+ goto done;
+
+ if (!TEST_int_eq(EVP_DigestVerifyFinal(md_ctx_verify, sig, sig_len), 0))
+ goto done;
+
/* now check encryption/decryption */
gparams[0] = OSSL_PARAM_construct_utf8_string(OSSL_ASYM_CIPHER_PARAM_DIGEST,
