rename to 27300, reduced the amount of memory allocated in gpu for SNMPv3 HMAC-SHA512-384

OpenCL/m27300-pure.cl

@@ -30,6 +30,11 @@
 #define SNMPV3_MAX_ENGINE_ELEMS     32  // 32 * 4 = 128 > 34, also has to be multiple of SNMPV3_MAX_PW_LENGTH
 #define SNMPV3_MAX_PNUM_ELEMS       4   // 4 * 4 = 16 > 9
 
+#define SNMPV3_MAX_PW_LENGTH_OPT    32
+#define SNMPV3_TMP_ELEMS_OPT        ((SNMPV3_MAX_PW_LENGTH_OPT * SNMPV3_MAX_PW_LENGTH) / 4)
+                                    // (32 * 128) / 4 = 1024
+                                    // for pw length > 32 we use global memory reads
+
 typedef struct hmac_sha512_tmp
 {
   u32 tmp[SNMPV3_TMP_ELEMS];
@@ -49,7 +54,7 @@ typedef struct snmpv3
 
 } snmpv3_t;
 
-KERNEL_FQ void m27000_init (KERN_ATTR_TMPS_ESALT (hmac_sha512_tmp_t, snmpv3_t))
+KERNEL_FQ void m27300_init (KERN_ATTR_TMPS_ESALT (hmac_sha512_tmp_t, snmpv3_t))
 {
   /**
    * modifier
@@ -146,7 +151,7 @@ KERNEL_FQ void m27000_init (KERN_ATTR_TMPS_ESALT (hmac_sha512_tmp_t, snmpv3_t))
   tmps[gid].h[7] = SHA512M_H;
 }
 
-KERNEL_FQ void m27000_loop (KERN_ATTR_TMPS_ESALT (hmac_sha512_tmp_t, snmpv3_t))
+KERNEL_FQ void m27300_loop (KERN_ATTR_TMPS_ESALT (hmac_sha512_tmp_t, snmpv3_t))
 {
   /**
    * base
@@ -171,10 +176,7 @@ KERNEL_FQ void m27000_loop (KERN_ATTR_TMPS_ESALT (hmac_sha512_tmp_t, snmpv3_t))
 
   const int pw_len128 = pw_len * 128;
 
-  #define SNMPV3_TMP_ELEMS_OPT 8192 // 8192 = (128 max pw length * 64) / sizeof (u32)
+  if (pw_len <= SNMPV3_MAX_PW_LENGTH_OPT)
-                                    // for pw length > 128 we use global memory reads
-
-  if (pw_len < 128)
   {
     u32 tmp[SNMPV3_TMP_ELEMS_OPT];
 
@@ -294,7 +296,7 @@ KERNEL_FQ void m27000_loop (KERN_ATTR_TMPS_ESALT (hmac_sha512_tmp_t, snmpv3_t))
   tmps[gid].h[7] = h[7];
 }
 
-KERNEL_FQ void m27000_comp (KERN_ATTR_TMPS_ESALT (hmac_sha512_tmp_t, snmpv3_t))
+KERNEL_FQ void m27300_comp (KERN_ATTR_TMPS_ESALT (hmac_sha512_tmp_t, snmpv3_t))
 {
   /**
    * modifier

docs/changes.txt

@@ -42,7 +42,6 @@
 
 - Added hash-mode: SNMPv3 HMAC-SHA1-96
 - Added hash-mode: SNMPv3 HMAC-MD5-96
-- Added hash-mode: SNMPv3 HMAC-SHA512-384
 
 * changes v6.2.2 -> v6.2.3
 

docs/readme.txt

@@ -157,7 +157,6 @@ NVIDIA GPUs require "NVIDIA Driver" (440.64 or later) and "CUDA Toolkit" (9.0 or
 - IKE-PSK SHA1
 - SNMPv3 HMAC-MD5-96
 - SNMPv3 HMAC-SHA1-96
-- SNMPv3 HMAC-SHA512-384
 - WPA-EAPOL-PBKDF2
 - WPA-EAPOL-PMK
 - WPA-PBKDF2-PMKID+EAPOL

src/modules/module_27300.c

@@ -20,7 +20,7 @@ static const u32   DGST_POS3      = 1;
 static const u32   DGST_SIZE      = DGST_SIZE_8_6;
 static const u32   HASH_CATEGORY  = HASH_CATEGORY_NETWORK_PROTOCOL;
 static const char *HASH_NAME      = "SNMPv3 HMAC-SHA512-384";
-static const u64   KERN_TYPE      = 27000;
+static const u64   KERN_TYPE      = 27300;
 static const u32   OPTI_TYPE      = OPTI_TYPE_ZERO_BYTE
                                   | OPTI_TYPE_USES_BITS_64;
 static const u64   OPTS_TYPE      = OPTS_TYPE_PT_GENERATE_BE;
@@ -333,6 +333,7 @@ void module_init (module_ctx_t *module_ctx)
   module_ctx->module_esalt_size               = module_esalt_size;
   module_ctx->module_extra_buffer_size        = MODULE_DEFAULT;
   module_ctx->module_extra_tmp_size           = MODULE_DEFAULT;
+//  module_ctx->module_extra_tuningdb_block     = MODULE_DEFAULT;
   module_ctx->module_forced_outfile_format    = MODULE_DEFAULT;
   module_ctx->module_hash_binary_count        = MODULE_DEFAULT;
   module_ctx->module_hash_binary_parse        = MODULE_DEFAULT;