do_sigver_init: Allow reinitialization of an existing operation.
Fixes #16936
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/16964)
diff --git a/test/evp_extra_test.c b/test/evp_extra_test.c
index df97f44..a8ae3e4 100644
--- a/test/evp_extra_test.c
+++ b/test/evp_extra_test.c
@@ -1316,6 +1316,13 @@
|| !TEST_true(EVP_DigestVerifyFinal(md_ctx, kSignature,
sizeof(kSignature))))
goto out;
+
+ /* test with reinitialization */
+ if (!TEST_true(EVP_DigestVerifyInit(md_ctx, NULL, NULL, NULL, NULL))
+ || !TEST_true(EVP_DigestVerifyUpdate(md_ctx, kMsg, sizeof(kMsg)))
+ || !TEST_true(EVP_DigestVerifyFinal(md_ctx, kSignature,
+ sizeof(kSignature))))
+ goto out;
ret = 1;
out:
