diff --git a/apache2/msc_crypt.c b/apache2/msc_crypt.c
index 03aa33b0..89a8ed5c 100644
--- a/apache2/msc_crypt.c
+++ b/apache2/msc_crypt.c
@@ -125,15 +125,21 @@ char *normalize_path(modsec_rec *msr, char *input) {
  */
 unsigned char *getkey(apr_pool_t *mp) {
     unsigned short int length = 12;
+    struct glinear data;
+    uint64_t seed;
     char output[13];
     char *key = NULL;
 
     output[length] = '\0';
 
-    srand((unsigned int) time(0));
+    seed = data.seed;
+    srand(data.seed);
     while(length--) {
+        seed *= data.mul;
+        seed += data.add;
+        data.seed = seed % data.mod;
         output[length] = (rand() % 94 + 33);
-        srand(rand());
+        srand(data.seed + rand() + time(0));
     }
 
     key = apr_psprintf(mp,"%s",output);
diff --git a/apache2/msc_crypt.h b/apache2/msc_crypt.h
index c5f6e8d8..3286fa8f 100644
--- a/apache2/msc_crypt.h
+++ b/apache2/msc_crypt.h
@@ -27,6 +27,13 @@
 #define INT32_MAX      (2147483647)
 #endif
 
+struct glinear {
+  uint32_t seed;
+  uint32_t mod;
+  uint32_t mul;
+  uint32_t add;
+};
+
 char DSOLOCAL *hmac(modsec_rec *msr,const unsigned char *key, int key_len,
                      char *msg, int msglen);
 unsigned char DSOLOCAL *do_hash_link(modsec_rec *msr, char *link,