Removed unnecessary parsing of salt2 in pure kernels

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)

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))
 {
   /**
@@ -83,15 +82,6 @@ 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;
 
   md5_init (&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)
@@ -223,15 +214,6 @@ 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;
 
   md5_init (&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);

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);
@@ -211,15 +202,6 @@ 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
    */

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)
@@ -86,15 +87,6 @@ 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;
 
   md5_init_vector (&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);

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

src/modules/module_03730.c

@@ -96,10 +96,10 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
 
     token.attr[1] |= TOKEN_ATTR_VERIFY_HEX;
 
-	token.len_min[2] *= 2;
-	token.len_max[2] *= 2;
+    token.len_min[2] *= 2;
+    token.len_max[2] *= 2;
 
-	token.attr[2] |= TOKEN_ATTR_VERIFY_HEX;
+    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)