增加Vendor\phpRPC 第三方类库

Vendor/phpRPC/pecl/xxtea/xxtea.c

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+/***********************************************************************
+
+    Copyright 2006-2007 Ma Bingyao
+
+    These sources is free software. Redistributions of source code must
+    retain the above copyright notice. Redistributions in binary form
+    must reproduce the above copyright notice. You can redistribute it
+    freely. You can use it with any free or commercial software.
+
+    These sources is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY. Without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+        You may contact the author by:
+           e-mail:  andot@coolcode.cn
+
+*************************************************************************/
+#include "xxtea.h"
+
+void xxtea_long_encrypt(xxtea_long *v, xxtea_long len, xxtea_long *k) {
+    xxtea_long n = len - 1;
+    xxtea_long z = v[n], y = v[0], p, q = 6 + 52 / (n + 1), sum = 0, e;
+    if (n < 1) {
+        return;
+    }
+    while (0 < q--) {
+        sum += XXTEA_DELTA;
+        e = sum >> 2 & 3;
+        for (p = 0; p < n; p++) {
+            y = v[p + 1];
+            z = v[p] += XXTEA_MX;
+        }
+        y = v[0];
+        z = v[n] += XXTEA_MX;
+    }
+}
+
+void xxtea_long_decrypt(xxtea_long *v, xxtea_long len, xxtea_long *k) {
+    xxtea_long n = len - 1;
+    xxtea_long z = v[n], y = v[0], p, q = 6 + 52 / (n + 1), sum = q * XXTEA_DELTA, e;
+    if (n < 1) {
+        return;
+    }
+    while (sum != 0) {
+        e = sum >> 2 & 3;
+        for (p = n; p > 0; p--) {
+            z = v[p - 1];
+            y = v[p] -= XXTEA_MX;
+        }
+        z = v[n];
+        y = v[0] -= XXTEA_MX;
+        sum -= XXTEA_DELTA;
+    }
+}