[PATCH 0/1] MR9932: ncrypt: Support ECDSA_P256.

[Hans Leidekker (＠hans)]

-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/9932

[PATCH 1/1] ncrypt: Support ECDSA_P256.

[Hans Leidekker]

From: Hans Leidekker <[e-mail]>

---
 dlls/ncrypt/main.c            | 24 ++++++++++++++++++++++++
 dlls/ncrypt/ncrypt_internal.h |  1 +
 2 files changed, 25 insertions(+)

diff --git a/dlls/ncrypt/main.c b/dlls/ncrypt/main.c
index 3511f8f2d3f..680e6799d71 100644
--- a/dlls/ncrypt/main.c
+++ b/dlls/ncrypt/main.c
@@ -150,6 +150,12 @@ static struct object *create_key_object(enum algid algid, NCRYPT_PROV_HANDLE pro
         set_object_property(object, BCRYPT_SIGNATURE_LENGTH, (BYTE *)&dw_value, sizeof(dw_value));
         break;
 
+    case ECDSA_P256:
+        if (!(object = allocate_object(KEY))) return NULL;
+
+        object->key.algid = ECDSA_P256;
+        break;
+
     default:
         ERR("Invalid algid %#x\n", algid);
         return NULL;
@@ -199,6 +205,24 @@ SECURITY_STATUS WINAPI NCryptCreatePersistedKey(NCRYPT_PROV_HANDLE provider, NCR
         set_object_property(object, NCRYPT_LENGTH_PROPERTY, (BYTE *)&default_bitlen, sizeof(default_bitlen));
         set_object_property(object, BCRYPT_PUBLIC_KEY_LENGTH, (BYTE *)&default_bitlen, sizeof(default_bitlen));
     }
+    else if (!lstrcmpiW(algid, BCRYPT_ECDSA_P256_ALGORITHM))
+    {
+        NTSTATUS status;
+        DWORD bitlen = 256;
+
+        if (!(object = create_key_object(ECDSA_P256, provider)))
+            return NTE_NO_MEMORY;
+
+        status = BCryptGenerateKeyPair(BCRYPT_ECDSA_P256_ALG_HANDLE, &object->key.bcrypt_key, bitlen, 0);
+        if (status != STATUS_SUCCESS)
+        {
+            free(object);
+            return map_ntstatus(status);
+        }
+
+        set_object_property(object, NCRYPT_LENGTH_PROPERTY, (BYTE *)&bitlen, sizeof(bitlen));
+        set_object_property(object, BCRYPT_PUBLIC_KEY_LENGTH, (BYTE *)&bitlen, sizeof(bitlen));
+    }
     else
     {
         FIXME("Algorithm not handled %s\n", wine_dbgstr_w(algid));
diff --git a/dlls/ncrypt/ncrypt_internal.h b/dlls/ncrypt/ncrypt_internal.h
index effb75df45f..46a4d87e985 100644
--- a/dlls/ncrypt/ncrypt_internal.h
+++ b/dlls/ncrypt/ncrypt_internal.h
@@ -26,6 +26,7 @@ enum algid
     RSA,
     DSA,
     ECDSA,
+    ECDSA_P256,
 };
 
 struct key
-- 
GitLab

https://gitlab.winehq.org/wine/wine/-/merge_requests/9932