From: Rudolf Polzer <divverent@alientrap.org>
Date: Thu, 5 Aug 2010 07:51:07 +0000 (+0200)
Subject: handle an error case
X-Git-Tag: xonotic-v0.1.0preview~38^2
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=b016b8bd800cd6171366317e3a3db7a6d5b80243;p=xonotic%2Fd0_blind_id.git

handle an error case
---

diff --git a/d0_bignum-gmp.c b/d0_bignum-gmp.c
index 5f0babc..4e8a11b 100644
--- a/d0_bignum-gmp.c
+++ b/d0_bignum-gmp.c
@@ -54,9 +54,18 @@ void d0_bignum_INITIALIZE(void)
 		{
 			if(!CryptGenRandom(hCryptProv, sizeof(buf), (PBYTE) &buf[0]))
 				fprintf(stderr, "WARNING: could not initialize random number generator (CryptGenRandom failed)\n");
+			CryptReleaseContext(hCryptProv, 0);
 		}
 		else
+		{
+			if(CryptAcquireContext(&hCryptProv, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT | CRYPT_NEWKEYSET))
+			{
+				if(!CryptGenRandom(hCryptProv, sizeof(buf), (PBYTE) &buf[0]))
+					fprintf(stderr, "WARNING: could not initialize random number generator (CryptGenRandom failed)\n");
+				CryptReleaseContext(hCryptProv, 0);
+			}
 			fprintf(stderr, "WARNING: could not initialize random number generator (CryptAcquireContext failed)\n");
+		}
 	}
 #else
 	f = fopen("/dev/urandom", "rb");