[PATCH 03/16] ncrypt: Implement NCryptCreatePersistedKey

[abdaandroid at gmail.com]

From: Ariel Darshan <abdaandroid at gmail.com>

Signed-off-by: Ariel Darshan <abdaandroid at gmail.com>
---
 dlls/ncrypt/main.c            | 65 +++++++++++++++++++++++++++++++++--
 dlls/ncrypt/ncrypt_internal.h | 15 ++++++++
 2 files changed, 78 insertions(+), 2 deletions(-)

diff --git a/dlls/ncrypt/main.c b/dlls/ncrypt/main.c
index 8a8d8d0ed13..c7546cce897 100644
--- a/dlls/ncrypt/main.c
+++ b/dlls/ncrypt/main.c
@@ -51,9 +51,23 @@ SECURITY_STATUS WINAPI NCryptCreatePersistedKey(NCRYPT_PROV_HANDLE provider, NCR
                                                 const WCHAR *algid, const WCHAR *name, DWORD keyspec,
                                                 DWORD flags)
 {
-    FIXME("(0x%lx, %p, %s, %s, 0x%08x, 0x%08x): stub\n", provider, key, wine_dbgstr_w(algid),
+    struct ncrypt_provider_instance *providerInstance;
+    struct ncrypt_key_instance *outKeyInstance;
+
+    TRACE("(0x%lx, %p, %s, %s, 0x%08x, 0x%08x)\n", provider, key, wine_dbgstr_w(algid),
                                                          wine_dbgstr_w(name), keyspec, flags);
-    return NTE_NOT_SUPPORTED;
+    if (!provider)
+    {
+        return NTE_INVALID_HANDLE;
+    }
+    providerInstance = handle2provider(provider);
+    outKeyInstance = create_key(provider, name);
+    if (!outKeyInstance)
+    {
+        return NTE_NO_MEMORY;
+    }
+    *key = (NCRYPT_KEY_HANDLE)outKeyInstance;
+    return providerInstance->functions.CreatePersistedKey(providerInstance->kspHandle, &outKeyInstance->kspHandle, algid, name, keyspec, flags);
 }
 
 SECURITY_STATUS WINAPI NCryptDecrypt(NCRYPT_KEY_HANDLE key, BYTE *input, DWORD insize, void *padding,
@@ -396,3 +410,50 @@ static SECURITY_STATUS open_provider(NCRYPT_PROV_HANDLE *providerInstance, const
     *providerInstance = provider2handle(ret);
     return ERROR_SUCCESS;
 }
+
+static struct ncrypt_key_instance* create_key(NCRYPT_PROV_HANDLE provider, const WCHAR *name)
+{
+    unsigned int size;
+    void *buffer;
+    struct ncrypt_key_instance *ret;
+
+    size = sizeof(struct ncrypt_key_instance);
+
+    if (name)
+    {
+        /* Allocate both structure and name in the same call */
+        size += (wcslen(name) + 1) * sizeof(WCHAR);
+    }
+
+    buffer = heap_alloc(size);
+    if (!buffer)
+    {
+        return NULL;
+    }
+
+    ret = (struct ncrypt_key_instance *) buffer;
+    ret->sType = NCRYPT_OBJ_TYPE_KEY;
+    ret->provider = ref_provider(provider);
+
+    if (name)
+    {
+        ret->name = (WCHAR*)((char*)buffer + sizeof(struct ncrypt_key_instance));
+        wcscpy(ret->name, name);
+    }
+    else
+    {
+        ret->name = NULL;
+    }
+
+    return ret;
+}
+
+static NCRYPT_PROV_HANDLE ref_provider(NCRYPT_PROV_HANDLE provider)
+{
+    struct ncrypt_provider_instance *providerInstance;
+
+    providerInstance = handle2provider(provider);
+    providerInstance->refCount++;
+
+    return provider;
+}
diff --git a/dlls/ncrypt/ncrypt_internal.h b/dlls/ncrypt/ncrypt_internal.h
index e5c9a946f2c..3a87727cb1e 100644
--- a/dlls/ncrypt/ncrypt_internal.h
+++ b/dlls/ncrypt/ncrypt_internal.h
@@ -78,15 +78,30 @@ struct ncrypt_provider_instance
     WCHAR *name;
 };
 
+struct ncrypt_key_instance
+{
+    DWORD sType;
+    NCRYPT_PROV_HANDLE provider;
+    NCRYPT_KEY_HANDLE kspHandle;
+    WCHAR *name;
+};
+
 
 #define handle2baseObject(x) ((struct ncrypt_base_object*)(x))
 #define baseObject2handle(x) ((NCRYPT_HANDLE)(x))
 
+#define handle2key(x) ((struct ncrypt_key_instance*)(x))
+#define key2handle(x) ((NCRYPT_KEY_HANDLE)(x))
+
 #define handle2provider(x) ((struct ncrypt_provider_instance*)(x))
 #define provider2handle(x) ((NCRYPT_PROV_HANDLE)(x))
 
 
 
 static SECURITY_STATUS open_provider(NCRYPT_PROV_HANDLE *providerInstance ,const WCHAR *name, const WCHAR *dllName, DWORD flags);
+static struct ncrypt_key_instance* create_key(NCRYPT_PROV_HANDLE provider, const WCHAR *name);
+static NCRYPT_PROV_HANDLE ref_provider(NCRYPT_PROV_HANDLE provider);
+static SECURITY_STATUS free_provider(NCRYPT_HANDLE provider);
+static SECURITY_STATUS free_key(NCRYPT_HANDLE key);
 
 #endif /* __NCRYPT_INTERNAL__ */
-- 
2.28.0