diff --git a/OpenCL/m03730_a0-optimized.cl b/OpenCL/m03730_a0-optimized.cl
index df1e6252f..c0c24eb1c 100644
--- a/OpenCL/m03730_a0-optimized.cl
+++ b/OpenCL/m03730_a0-optimized.cl
@@ -51,6 +51,7 @@ KERNEL_FQ void m03730_m04 (KERN_ATTR_RULES_ESALT (md5_double_salt_t))
   /**
    * bin2asc uppercase array
    */
+   
   LOCAL_VK u32 u_bin2asc[256];
 
   for (u32 j = lid; j < 256; j += lsz)
@@ -419,6 +420,7 @@ KERNEL_FQ void m03730_s04 (KERN_ATTR_RULES_ESALT (md5_double_salt_t))
   /**
    * bin2asc uppercase array
    */
+   
   LOCAL_VK u32 u_bin2asc[256];
 
   for (u32 j = lid; j < 256; j += lsz)
diff --git a/OpenCL/m03730_a0-pure.cl b/OpenCL/m03730_a0-pure.cl
index 8fb097640..2e0669ba2 100644
--- a/OpenCL/m03730_a0-pure.cl
+++ b/OpenCL/m03730_a0-pure.cl
@@ -38,7 +38,6 @@ typedef struct md5_double_salt
 
 } md5_double_salt_t;
 
-
 KERNEL_FQ void m03730_mxx (KERN_ATTR_RULES_ESALT (md5_double_salt_t))
 {
   /**
@@ -82,15 +81,6 @@ KERNEL_FQ void m03730_mxx (KERN_ATTR_RULES_ESALT (md5_double_salt_t))
   {
     s[idx] = esalt_bufs[DIGESTS_OFFSET_HOST].salt1_buf[idx];
   }
-
-  const int salt2_len = esalt_bufs[DIGESTS_OFFSET_HOST].salt2_len;
-
-  u32 s2[64] = { 0 };
-
-  for (int i = 0, idx = 0; i < salt2_len; i += 4, idx += 1)
-  {
-    s2[idx] = esalt_bufs[DIGESTS_OFFSET_HOST].salt2_buf[idx];
-  }
   
   md5_ctx_t ctx0;
 
@@ -181,6 +171,7 @@ KERNEL_FQ void m03730_sxx (KERN_ATTR_RULES_ESALT (md5_double_salt_t))
   /**
    * bin2asc uppercase table
    */
+   
   LOCAL_VK u32 u_bin2asc[256];
 
   for (u32 j = lid; j < 256; j += lsz)
@@ -222,15 +213,6 @@ KERNEL_FQ void m03730_sxx (KERN_ATTR_RULES_ESALT (md5_double_salt_t))
   {
     s[idx] = esalt_bufs[DIGESTS_OFFSET_HOST].salt1_buf[idx];
   }
-  
-  const int salt2_len = esalt_bufs[DIGESTS_OFFSET_HOST].salt2_len;
-
-  u32 s2[64] = { 0 };
-
-  for (u32 i = 0, idx = 0; i < salt2_len; i += 4, idx += 1)
-  {
-    s2[idx] = esalt_bufs[DIGESTS_OFFSET_HOST].salt2_buf[idx];
-  }
 
   md5_ctx_t ctx0;
 
@@ -244,7 +226,6 @@ KERNEL_FQ void m03730_sxx (KERN_ATTR_RULES_ESALT (md5_double_salt_t))
 
   for (u32 il_pos = 0; il_pos < IL_CNT; il_pos++)
   {
-
     pw_t tmp = PASTE_PW;
 
     tmp.pw_len = apply_rules (rules_buf[il_pos].cmds, tmp.i, tmp.pw_len);
@@ -307,4 +288,4 @@ KERNEL_FQ void m03730_sxx (KERN_ATTR_RULES_ESALT (md5_double_salt_t))
 
     COMPARE_S_SCALAR (r0, r1, r2, r3);
   }
-}
+}
\ No newline at end of file
diff --git a/OpenCL/m03730_a1-pure.cl b/OpenCL/m03730_a1-pure.cl
index b51734cb8..e32f5f210 100644
--- a/OpenCL/m03730_a1-pure.cl
+++ b/OpenCL/m03730_a1-pure.cl
@@ -78,15 +78,6 @@ KERNEL_FQ void m03730_mxx (KERN_ATTR_BASIC_ESALT (md5_double_salt_t))
     s[idx] = esalt_bufs[DIGESTS_OFFSET_HOST].salt1_buf[idx];
   }
 
-  const int salt2_len = esalt_bufs[DIGESTS_OFFSET_HOST].salt2_len;
-
-  u32 s2[64] = { 0 };
-
-  for (int i = 0, idx = 0; i < salt2_len; i += 4, idx += 1)
-  {
-    s2[idx] = esalt_bufs[DIGESTS_OFFSET_HOST].salt2_buf[idx];
-  }
-  
   md5_ctx_t ctx0;
 
   md5_init (&ctx0);
@@ -210,16 +201,7 @@ KERNEL_FQ void m03730_sxx (KERN_ATTR_BASIC_ESALT (md5_double_salt_t))
   {
     s[idx] = esalt_bufs[DIGESTS_OFFSET_HOST].salt1_buf[idx];
   }
-  
-  const u32 salt2_len = esalt_bufs[DIGESTS_OFFSET_HOST].salt2_len;
-
-  u32 s2[64] = { 0 };
-
-  for (u32 i = 0, idx = 0; i < salt2_len; i += 4, idx += 1)
-  {
-    s2[idx] = esalt_bufs[DIGESTS_OFFSET_HOST].salt2_buf[idx];
-  }
-  
+    
   /**
    * base
    */
diff --git a/OpenCL/m03730_a3-pure.cl b/OpenCL/m03730_a3-pure.cl
index 114d5f6dc..899fe648d 100644
--- a/OpenCL/m03730_a3-pure.cl
+++ b/OpenCL/m03730_a3-pure.cl
@@ -49,6 +49,7 @@ KERNEL_FQ void m03730_mxx (KERN_ATTR_VECTOR_ESALT (md5_double_salt_t))
   /**
    * bin2asc uppercase array
    */
+   
   LOCAL_VK u32 u_bin2asc[256];
 
   for (u32 j = lid; j < 256; j += lsz)
@@ -85,15 +86,6 @@ KERNEL_FQ void m03730_mxx (KERN_ATTR_VECTOR_ESALT (md5_double_salt_t))
   {
     s[idx] = esalt_bufs[DIGESTS_OFFSET_HOST].salt1_buf[idx];
   }
-
-  const int salt2_len = esalt_bufs[DIGESTS_OFFSET_HOST].salt2_len;
-
-  u32 s2[64] = { 0 };
-
-  for (int i = 0, idx = 0; i < salt2_len; i += 4, idx += 1)
-  {
-    s2[idx] = esalt_bufs[DIGESTS_OFFSET_HOST].salt2_buf[idx];
-  }
   
   md5_ctx_vector_t ctx0;
 
@@ -238,15 +230,6 @@ KERNEL_FQ void m03730_sxx (KERN_ATTR_VECTOR_ESALT (md5_double_salt_t))
     s[idx] = esalt_bufs[DIGESTS_OFFSET_HOST].salt1_buf[idx];
   }
   
-  const u32 salt2_len = esalt_bufs[DIGESTS_OFFSET_HOST].salt2_len;
-
-  u32 s2[64] = { 0 };
-
-  for (u32 i = 0, idx = 0; i < salt2_len; i += 4, idx += 1)
-  {
-    s2[idx] = esalt_bufs[DIGESTS_OFFSET_HOST].salt2_buf[idx];
-  }
-
   md5_ctx_vector_t ctx0;
 
   md5_init_vector (&ctx0);
diff --git a/docs/changes.txt b/docs/changes.txt
index 01aef0566..2befcafdc 100644
--- a/docs/changes.txt
+++ b/docs/changes.txt
@@ -5,6 +5,7 @@
 ##
 
 - Added hash-mode: Bisq .wallet (scrypt)
+- Added hash-mode: Dahua NVR/DVR/HVR (md5($salt1.strtoupper(md5($salt2.$pass))))
 
 ##
 ## Technical
diff --git a/src/modules/module_03730.c b/src/modules/module_03730.c
index 1b4197506..482f54ba6 100644
--- a/src/modules/module_03730.c
+++ b/src/modules/module_03730.c
@@ -95,11 +95,11 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
     token.len_max[1] *= 2;
 
     token.attr[1] |= TOKEN_ATTR_VERIFY_HEX;
-	
-	token.len_min[2] *= 2;
-	token.len_max[2] *= 2;
-	
-	token.attr[2] |= TOKEN_ATTR_VERIFY_HEX;
+
+    token.len_min[2] *= 2;
+    token.len_max[2] *= 2;
+
+    token.attr[2] |= TOKEN_ATTR_VERIFY_HEX;
   }
 
   const int rc_tokenizer = input_tokenizer ((const u8 *) line_buf, line_len, &token);
@@ -194,7 +194,6 @@ int module_hash_encode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
   out_len += generic_salt_encode (hashconfig, (const u8 *) md5_double_salt->salt2_buf, (const int) md5_double_salt->salt2_len, out_buf + out_len);
 
   return out_len;
-
 }
 
 void module_init (module_ctx_t *module_ctx)
@@ -275,4 +274,4 @@ void module_init (module_ctx_t *module_ctx)
   module_ctx->module_tmp_size                 = MODULE_DEFAULT;
   module_ctx->module_unstable_warning         = MODULE_DEFAULT;
   module_ctx->module_warmup_disable           = MODULE_DEFAULT;
-}
+}
\ No newline at end of file