文件下载&&解压缩接口

ios/RCTHotUpdate/SSZipArchive/aes/entropy.c

@@ -0,0 +1,54 @@
+#ifdef _WIN32
+#include <windows.h>
+#else
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#endif
+
+#if defined(__cplusplus)
+extern "C"
+{
+#endif
+
+#ifdef _WIN32
+int entropy_fun(unsigned char buf[], unsigned int len)
+{
+    HCRYPTPROV provider;
+    unsigned __int64 pentium_tsc[1];
+    unsigned int i;
+    int result = 0;
+
+
+    if (CryptAcquireContext(&provider, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT | CRYPT_SILENT))
+    {
+        result = CryptGenRandom(provider, len, buf);
+        CryptReleaseContext(provider, 0);
+        if (result)
+            return len;
+    }
+
+    QueryPerformanceCounter((LARGE_INTEGER *)pentium_tsc);
+
+    for(i = 0; i < 8 && i < len; ++i)
+        buf[i] = ((unsigned char*)pentium_tsc)[i];
+
+    return i;
+}
+#else
+int entropy_fun(unsigned char buf[], unsigned int len)
+{
+    int frand = open("/dev/random", O_RDONLY);
+    int rlen = 0;
+    if (frand != -1)
+    {
+        rlen = (int)read(frand, buf, len);
+        close(frand);
+    }
+    return rlen;
+}
+#endif
+
+#if defined(__cplusplus)
+}
+#endif