[PATCH 08/16] ncrypt: Implement NCryptEnum{Algorithms, Keys}

From: Ariel Darshan

Signed-off-by: Ariel Darshan 
---
 dlls/ncrypt/main.c | 44 ++++++++++++++++++++++++++++++++++++++++----
 include/ncrypt.h   |  2 ++
 2 files changed, 42 insertions(+), 4 deletions(-)

diff --git a/dlls/ncrypt/main.c b/dlls/ncrypt/main.c
index 63687850b55..606cd1b8401 100644
--- a/dlls/ncrypt/main.c
+++ b/dlls/ncrypt/main.c
@@ -153,15 +153,51 @@ SECURITY_STATUS WINAPI NCryptEnumAlgorithms(NCRYPT_PROV_HANDLE provider, DWORD a
                                             DWORD *alg_count, NCryptAlgorithmName **alg_list,
                                             DWORD flags)
 {
-    FIXME("(0x%lx, 0x%08x, %p, %p, 0x%08x): stub\n", provider, alg_ops, alg_count, alg_list, flags);
-    return NTE_NOT_SUPPORTED;
+    struct ncrypt_provider_instance *providerInstance;
+
+    TRACE("(0x%lx, 0x%08x, %p, %p, 0x%08x)\n", provider, alg_ops, alg_count, alg_list, flags);
+
+    if (!provider)
+    {
+        return NTE_INVALID_HANDLE;
+    }
+    providerInstance = handle2provider(provider);
+    return providerInstance->functions.EnumAlgorithms(providerInstance->kspHandle, alg_ops, alg_count, alg_list, flags);
 }

SECURITY_STATUS WINAPI NCryptEnumKeys(NCRYPT_PROV_HANDLE provider, const WCHAR *scope,
                                       NCryptKeyName **key_name, PVOID *enum_state, DWORD flags)
 {
-    FIXME("(0x%lx, %p, %p, %p, 0x%08x): stub\n", provider, scope, key_name, enum_state, flags);
-    return NTE_NOT_SUPPORTED;
+    struct ncrypt_provider_instance *providerInstance;
+    SECURITY_STATUS ret;
+    BOOL firstRound;
+
+    TRACE("(0x%lx, %p, %p, %p, 0x%08x)\n", provider, scope, key_name, enum_state, flags);
+
+    if (!provider)
+    {
+        return NTE_INVALID_HANDLE;
+    }
+    providerInstance = handle2provider(provider);
+
+    firstRound = (*enum_state == NULL);
+
+    ret = providerInstance->functions.EnumKeys(providerInstance->kspHandle, scope, key_name, enum_state, flags);
+
+    if (firstRound && *enum_state)
+    {
+        /* FIXME: enum_state must be freed with NCryptFreeBuffer, which as it seems should in turn
+            call the FreeBuffer function that is in the KSP DLL, so provider should live until after that happens */
+        providerInstance->refCount++;
+    }
+
+    if (ret == ERROR_SUCCESS && *key_name)
+    {
+        /* FIXME: key_name must be freed with NCryptFreeBuffer, which as it seems should in turn
+            call the FreeBuffer function that is in the KSP DLL, so provider should live until after that happens */
+        providerInstance->refCount++;
+    }
+    return ret;
 }

SECURITY_STATUS WINAPI NCryptEnumStorageProviders(DWORD *providerCount, NCryptProviderName **providerList, DWORD flags)
diff --git a/include/ncrypt.h b/include/ncrypt.h
index 22f9c67ebb6..2906d47b023 100644
--- a/include/ncrypt.h
+++ b/include/ncrypt.h
@@ -78,6 +78,8 @@ SECURITY_STATUS WINAPI NCryptCreatePersistedKey(NCRYPT_PROV_HANDLE, NCRYPT_KEY_H
 SECURITY_STATUS WINAPI NCryptDecrypt(NCRYPT_KEY_HANDLE, BYTE *, DWORD, void *, BYTE *, DWORD, DWORD *, DWORD);
 SECURITY_STATUS WINAPI NCryptDeleteKey(NCRYPT_KEY_HANDLE, DWORD);
 SECURITY_STATUS WINAPI NCryptEncrypt(NCRYPT_KEY_HANDLE, BYTE *, DWORD, void *, BYTE *, DWORD, DWORD *, DWORD);
+SECURITY_STATUS WINAPI NCryptEnumAlgorithms(NCRYPT_PROV_HANDLE, DWORD, DWORD *, NCryptAlgorithmName **, DWORD);
+SECURITY_STATUS WINAPI NCryptEnumKeys(NCRYPT_PROV_HANDLE, const WCHAR *, NCryptKeyName **, PVOID *, DWORD);
 SECURITY_STATUS WINAPI NCryptEnumStorageProviders(DWORD *, NCryptProviderName **, DWORD);
 SECURITY_STATUS WINAPI NCryptFinalizeKey(NCRYPT_KEY_HANDLE, DWORD);
 SECURITY_STATUS WINAPI NCryptFreeBuffer(PVOID);