rsaenh(2/2): Implement exporting PLAINTEXTKEYBLOBs
Juan Lang
juan.lang at gmail.com
Fri Aug 7 12:54:17 CDT 2009
With this and the previous patch, the sample program at
http://msdn.microsoft.com/en-us/library/aa382383(VS.85).aspx runs and
prints the same blob as it imported.
--Juan
-------------- next part --------------
From c08c4d1433fbf50d655ecf710bcf5d6d7239ce79 Mon Sep 17 00:00:00 2001
From: Juan Lang <juan.lang at gmail.com>
Date: Fri, 7 Aug 2009 10:53:47 -0700
Subject: [PATCH 12/12] Implement exporting PLAINTEXTKEYBLOBs
---
dlls/rsaenh/rsaenh.c | 30 ++++++++++++++++++++++++++++++
1 files changed, 30 insertions(+), 0 deletions(-)
diff --git a/dlls/rsaenh/rsaenh.c b/dlls/rsaenh/rsaenh.c
index dbc78c7..8ae9659 100644
--- a/dlls/rsaenh/rsaenh.c
+++ b/dlls/rsaenh/rsaenh.c
@@ -2481,6 +2481,33 @@ static BOOL crypt_export_private_key(CRYPTKEY *pCryptKey, BOOL force,
return TRUE;
}
+static BOOL crypt_export_plaintext_key(CRYPTKEY *pCryptKey, BYTE *pbData,
+ DWORD *pdwDataLen)
+{
+ BLOBHEADER *pBlobHeader = (BLOBHEADER*)pbData;
+ DWORD *pKeyLen = (DWORD*)(pBlobHeader+1);
+ BYTE *pbKey = (BYTE*)(pKeyLen+1);
+ DWORD dwDataLen;
+
+ dwDataLen = sizeof(BLOBHEADER) + sizeof(DWORD) + pCryptKey->dwKeyLen;
+ if (pbData) {
+ if (*pdwDataLen < dwDataLen) {
+ SetLastError(ERROR_MORE_DATA);
+ *pdwDataLen = dwDataLen;
+ return FALSE;
+ }
+
+ pBlobHeader->bType = PLAINTEXTKEYBLOB;
+ pBlobHeader->bVersion = CUR_BLOB_VERSION;
+ pBlobHeader->reserved = 0;
+ pBlobHeader->aiKeyAlg = pCryptKey->aiAlgid;
+
+ *pKeyLen = pCryptKey->dwKeyLen;
+ memcpy(pbKey, &pCryptKey->abKeyValue, pCryptKey->dwKeyLen);
+ }
+ *pdwDataLen = dwDataLen;
+ return TRUE;
+}
/******************************************************************************
* crypt_export_key [Internal]
*
@@ -2535,6 +2562,9 @@ static BOOL crypt_export_key(CRYPTKEY *pCryptKey, HCRYPTKEY hPubKey,
case PRIVATEKEYBLOB:
return crypt_export_private_key(pCryptKey, force, pbData, pdwDataLen);
+
+ case PLAINTEXTKEYBLOB:
+ return crypt_export_plaintext_key(pCryptKey, pbData, pdwDataLen);
default:
SetLastError(NTE_BAD_TYPE); /* FIXME: error code? */
--
1.6.3.2
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