1 files changed, 93 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/crypto/pkix-util.cpp b/src/VBox/Runtime/common/crypto/pkix-util.cpp
new file mode 100644
index 00000000..d12f3e43
--- /dev/null
+++ b/src/VBox/Runtime/common/crypto/pkix-util.cpp
@@ -0,0 +1,93 @@
+/* $Id: pkix-util.cpp $ */
+/** @file
+ * IPRT - Crypto - Public Key Infrastructure API, Utilities.
+ */
+
+/*
+ * Copyright (C) 2006-2020 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include "internal/iprt.h"
+#include <iprt/crypto/pkix.h>
+
+#include <iprt/errcore.h>
+#include <iprt/string.h>
+
+#ifdef IPRT_WITH_OPENSSL
+# include "internal/iprt-openssl.h"
+# include "openssl/evp.h"
+#endif
+
+
+
+
+RTDECL(const char *) RTCrPkixGetCiperOidFromSignatureAlgorithm(PCRTASN1OBJID pAlgorithm)
+{
+    /*
+     * This is all hardcoded, at least for the time being.
+     */
+    if (RTAsn1ObjId_StartsWith(pAlgorithm, RTCR_PKCS1_OID))
+    {
+        if (RTAsn1ObjIdCountComponents(pAlgorithm) == 7)
+            switch (RTAsn1ObjIdGetLastComponentsAsUInt32(pAlgorithm))
+            {
+                case 2:
+                case 3:
+                case 4:
+                case 5:
+                case 11:
+                case 12:
+                case 13:
+                case 14:
+                    return RTCR_PKCS1_RSA_OID;
+                case 1: AssertFailed();
+                    RT_FALL_THRU();
+                default:
+                    return NULL;
+            }
+    }
+    /*
+     * OIW oddballs.
+     */
+    else if (RTAsn1ObjId_StartsWith(pAlgorithm, "1.3.14.3.2"))
+    {
+        if (RTAsn1ObjIdCountComponents(pAlgorithm) == 6)
+            switch (RTAsn1ObjIdGetLastComponentsAsUInt32(pAlgorithm))
+            {
+                case 11:
+                case 14:
+                case 15:
+                case 24:
+                case 25:
+                case 29:
+                    return RTCR_PKCS1_RSA_OID;
+                default:
+                    return NULL;
+            }
+    }
+
+
+    return NULL;
+}
+