When creationg a hash, a persisted private key is unneeded.

This patch avoids a possibility that calling CryptAcquireContext()
cause an accss error.
see also http://support.microsoft.com/kb/238187/en-us/

SVN-Revision: 1698

diff --git a/libarchive/archive_windows.c b/libarchive/archive_windows.c
index 7444002821d5885f13b5fab9d58e9cef156b76b7..78fe8c95d9df7d99d3224c3e9bc13ea192bb24a0 100644 (file)
--- a/libarchive/archive_windows.c
+++ b/libarchive/archive_windows.c
@@ -1162,7 +1162,7 @@ Digest_Init(Digest_CTX *ctx, ALG_ID algId)
 
        ctx->valid = 0;
        if (!CryptAcquireContext(&ctx->cryptProv, NULL, NULL,
-           PROV_RSA_FULL, 0)) {
+           PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) {
                if (GetLastError() != NTE_BAD_KEYSET)
                        return;
                if (!CryptAcquireContext(&ctx->cryptProv, NULL, NULL,