+2008-04-11 Simon Josefsson <simon@josefsson.org>
+
+ * lib/gc-gnulib.c: On Windows, use CryptGenRandom from CSP instead
+ of attempting to use non-existing /dev/*random. Based on patch
+ from Adam Strzelecki <ono@java.pl> in
+ <http://lists.gnu.org/archive/html/help-gsasl/2008-02/msg00000.html>.
+
2008-04-08 Bruno Haible <bruno@clisp.org>
Add tentative support for emx+gcc.
/* gc-gnulib.c --- Common gnulib internal crypto interface functions
- * Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 Simon Josefsson
+ * Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008 Simon Josefsson
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published
#undef open
#undef close
+#ifdef GNULIB_GC_RANDOM
+# if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+# include <wincrypt.h>
+HCRYPTPROV g_hProv = 0;
+# endif
+#endif
+
Gc_rc
gc_init (void)
{
+#ifdef GNULIB_GC_RANDOM
+# if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+ if(g_hProv)
+ CryptReleaseContext(g_hProv, 0);
+ CryptAcquireContext(&g_hProv, NULL, NULL, PROV_RSA_FULL, 0);
+# endif
+#endif
+
return GC_OK;
}
void
gc_done (void)
{
+#ifdef GNULIB_GC_RANDOM
+# if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+ if(g_hProv)
+ {
+ CryptReleaseContext(g_hProv, 0);
+ g_hProv = 0;
+ }
+# endif
+#endif
+
return;
}
static Gc_rc
randomize (int level, char *data, size_t datalen)
{
+#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+ if(!g_hProv)
+ return GC_RANDOM_ERROR;
+ CryptGenRandom(g_hProv, (DWORD)datalen, data);
+#else
int fd;
const char *device;
size_t len = 0;
rc = close (fd);
if (rc < 0)
return GC_RANDOM_ERROR;
+#endif
return GC_OK;
}