Hans Leidekker : dssenh: Finalize the hash if necessary in CPVerifySignature().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 1d0551ca49fdff68364f7cac42415cea0f586b16
URL:    https://gitlab.winehq.org/wine/wine/-/commit/1d0551ca49fdff68364f7cac42415ce...

Author: Hans Leidekker 
Date:   Tue Dec 12 13:14:08 2023 +0100

dssenh: Finalize the hash if necessary in CPVerifySignature().

---

dlls/dssenh/main.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/dlls/dssenh/main.c b/dlls/dssenh/main.c
index 6772d062fc5..365b365f53f 100644
--- a/dlls/dssenh/main.c
+++ b/dlls/dssenh/main.c
@@ -1012,5 +1012,11 @@ BOOL WINAPI CPVerifySignature( HCRYPTPROV hprov, HCRYPTHASH hhash, const BYTE *s
         return FALSE;
     }

+    if (!hash->finished)
+    {
+        if (BCryptFinishHash( hash->handle, hash->value, hash->len, 0 )) return FALSE;
+        hash->finished = TRUE;
+    }
+
     return !BCryptVerifySignature( key->handle, NULL, hash->value, hash->len, (UCHAR *)sig, siglen, 0 );
 }