[PATCH v3 3/5] ntoskrnl.exe/tests: Use a fixed key container name and clean it up.

[Rémi Bernon]

Signed-off-by: Rémi Bernon 
---
 dlls/ntoskrnl.exe/tests/ntoskrnl.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/dlls/ntoskrnl.exe/tests/ntoskrnl.c b/dlls/ntoskrnl.exe/tests/ntoskrnl.c
index 86d04eab59f..4221bc4d9fb 100644
--- a/dlls/ntoskrnl.exe/tests/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/tests/ntoskrnl.c
@@ -92,10 +92,11 @@ struct testsign_context
     HCERTSTORE root_store, publisher_store;
 };

+static const WCHAR container_name[] = L"wine_testsign";
+
 static BOOL testsign_create_cert(struct testsign_context *ctx)
 {
     BYTE encoded_name[100], encoded_key_id[200], public_key_info_buffer[1000];
-    WCHAR container_name[26];
     BYTE hash_buffer[16], cert_buffer[1000], provider_nameA[100], serial[16];
     CERT_PUBLIC_KEY_INFO *public_key_info = (CERT_PUBLIC_KEY_INFO *)public_key_info_buffer;
     CRYPT_KEY_PROV_INFO provider_info = {0};
@@ -110,10 +111,13 @@ static BOOL testsign_create_cert(struct testsign_context *ctx)

memset(ctx, 0, sizeof(*ctx));

-    srand(time(NULL));
-    swprintf(container_name, ARRAY_SIZE(container_name), L"wine_testsign%u", rand());
-
     ret = CryptAcquireContextW(&ctx->provider, container_name, NULL, PROV_RSA_FULL, CRYPT_NEWKEYSET);
+    if (!ret && GetLastError() == NTE_EXISTS)
+    {
+        ret = CryptAcquireContextW(&ctx->provider, container_name, NULL, PROV_RSA_FULL, CRYPT_DELETEKEYSET);
+        ok(ret, "Failed to delete container, error %#x\n", GetLastError());
+        ret = CryptAcquireContextW(&ctx->provider, container_name, NULL, PROV_RSA_FULL, CRYPT_NEWKEYSET);
+    }
     ok(ret, "Failed to create container, error %#x\n", GetLastError());

ret = CryptGenKey(ctx->provider, AT_SIGNATURE, CRYPT_EXPORTABLE, &key);
@@ -245,6 +249,9 @@ static void testsign_cleanup(struct testsign_context *ctx)

ret = CryptReleaseContext(ctx->provider, 0);
     ok(ret, "failed to release context, error %u\n", GetLastError());
+
+    ret = CryptAcquireContextW(&ctx->provider, container_name, NULL, PROV_RSA_FULL, CRYPT_DELETEKEYSET);
+    ok(ret, "Failed to delete container, error %#x\n", GetLastError());
 }

static void testsign_sign(struct testsign_context *ctx, const WCHAR *filename)