test hash works

OpenCL/m26610-pure.cl

@@ -0,0 +1,433 @@
+/**
+ * Author......: See docs/credits.txt
+ * License.....: MIT
+ */
+
+#define NEW_SIMD_CODE
+
+#ifdef KERNEL_STATIC
+#include M2S(INCLUDE_PATH/inc_vendor.h)
+#include M2S(INCLUDE_PATH/inc_types.h)
+#include M2S(INCLUDE_PATH/inc_platform.cl)
+#include M2S(INCLUDE_PATH/inc_common.cl)
+#include M2S(INCLUDE_PATH/inc_simd.cl)
+#include M2S(INCLUDE_PATH/inc_hash_sha256.cl)
+#include M2S(INCLUDE_PATH/inc_cipher_aes.cl)
+#include M2S(INCLUDE_PATH/inc_cipher_aes-gcm.cl)
+#endif
+
+#define COMPARE_S M2S(INCLUDE_PATH/inc_comp_single.cl)
+#define COMPARE_M M2S(INCLUDE_PATH/inc_comp_multi.cl)
+
+typedef struct pbkdf2_sha256_tmp
+{
+  u32  ipad[8];
+  u32  opad[8];
+
+  u32  dgst[32];
+  u32  out[32];
+
+} pbkdf2_sha256_tmp_t;
+
+typedef struct pbkdf2_sha256_aes_gcm
+{
+  u32 salt_buf[64];
+  u32 iv_buf[4];
+  u32 iv_len;
+  u32 ct_buf[784];
+  u32 ct_len;
+
+} pbkdf2_sha256_aes_gcm_t;
+
+DECLSPEC void hmac_sha256_run_V (PRIVATE_AS u32x *w0, PRIVATE_AS u32x *w1, PRIVATE_AS u32x *w2, PRIVATE_AS u32x *w3, PRIVATE_AS u32x *ipad, PRIVATE_AS u32x *opad, PRIVATE_AS u32x *digest)
+{
+  digest[0] = ipad[0];
+  digest[1] = ipad[1];
+  digest[2] = ipad[2];
+  digest[3] = ipad[3];
+  digest[4] = ipad[4];
+  digest[5] = ipad[5];
+  digest[6] = ipad[6];
+  digest[7] = ipad[7];
+
+  sha256_transform_vector (w0, w1, w2, w3, digest);
+
+  w0[0] = digest[0];
+  w0[1] = digest[1];
+  w0[2] = digest[2];
+  w0[3] = digest[3];
+  w1[0] = digest[4];
+  w1[1] = digest[5];
+  w1[2] = digest[6];
+  w1[3] = digest[7];
+  w2[0] = 0x80000000;
+  w2[1] = 0;
+  w2[2] = 0;
+  w2[3] = 0;
+  w3[0] = 0;
+  w3[1] = 0;
+  w3[2] = 0;
+  w3[3] = (64 + 32) * 8;
+
+  digest[0] = opad[0];
+  digest[1] = opad[1];
+  digest[2] = opad[2];
+  digest[3] = opad[3];
+  digest[4] = opad[4];
+  digest[5] = opad[5];
+  digest[6] = opad[6];
+  digest[7] = opad[7];
+
+  sha256_transform_vector (w0, w1, w2, w3, digest);
+}
+
+KERNEL_FQ void m26610_init (KERN_ATTR_TMPS_ESALT (pbkdf2_sha256_tmp_t, pbkdf2_sha256_aes_gcm_t))
+{
+  /**
+   * base
+   */
+
+  const u64 gid = get_global_id (0);
+
+  if (gid >= GID_CNT) return;
+
+  sha256_hmac_ctx_t sha256_hmac_ctx;
+
+  sha256_hmac_init_global_swap (&sha256_hmac_ctx, pws[gid].i, pws[gid].pw_len);
+
+  tmps[gid].ipad[0] = sha256_hmac_ctx.ipad.h[0];
+  tmps[gid].ipad[1] = sha256_hmac_ctx.ipad.h[1];
+  tmps[gid].ipad[2] = sha256_hmac_ctx.ipad.h[2];
+  tmps[gid].ipad[3] = sha256_hmac_ctx.ipad.h[3];
+  tmps[gid].ipad[4] = sha256_hmac_ctx.ipad.h[4];
+  tmps[gid].ipad[5] = sha256_hmac_ctx.ipad.h[5];
+  tmps[gid].ipad[6] = sha256_hmac_ctx.ipad.h[6];
+  tmps[gid].ipad[7] = sha256_hmac_ctx.ipad.h[7];
+
+  tmps[gid].opad[0] = sha256_hmac_ctx.opad.h[0];
+  tmps[gid].opad[1] = sha256_hmac_ctx.opad.h[1];
+  tmps[gid].opad[2] = sha256_hmac_ctx.opad.h[2];
+  tmps[gid].opad[3] = sha256_hmac_ctx.opad.h[3];
+  tmps[gid].opad[4] = sha256_hmac_ctx.opad.h[4];
+  tmps[gid].opad[5] = sha256_hmac_ctx.opad.h[5];
+  tmps[gid].opad[6] = sha256_hmac_ctx.opad.h[6];
+  tmps[gid].opad[7] = sha256_hmac_ctx.opad.h[7];
+
+  sha256_hmac_update_global_swap (&sha256_hmac_ctx, esalt_bufs[DIGESTS_OFFSET_HOST].salt_buf, salt_bufs[SALT_POS_HOST].salt_len);
+
+  for (u32 i = 0, j = 1; i < 8; i += 8, j += 1)
+  {
+    sha256_hmac_ctx_t sha256_hmac_ctx2 = sha256_hmac_ctx;
+
+    u32 w0[4];
+    u32 w1[4];
+    u32 w2[4];
+    u32 w3[4];
+
+    w0[0] = j;
+    w0[1] = 0;
+    w0[2] = 0;
+    w0[3] = 0;
+    w1[0] = 0;
+    w1[1] = 0;
+    w1[2] = 0;
+    w1[3] = 0;
+    w2[0] = 0;
+    w2[1] = 0;
+    w2[2] = 0;
+    w2[3] = 0;
+    w3[0] = 0;
+    w3[1] = 0;
+    w3[2] = 0;
+    w3[3] = 0;
+
+    sha256_hmac_update_64 (&sha256_hmac_ctx2, w0, w1, w2, w3, 4);
+
+    sha256_hmac_final (&sha256_hmac_ctx2);
+
+    tmps[gid].dgst[i + 0] = sha256_hmac_ctx2.opad.h[0];
+    tmps[gid].dgst[i + 1] = sha256_hmac_ctx2.opad.h[1];
+    tmps[gid].dgst[i + 2] = sha256_hmac_ctx2.opad.h[2];
+    tmps[gid].dgst[i + 3] = sha256_hmac_ctx2.opad.h[3];
+    tmps[gid].dgst[i + 4] = sha256_hmac_ctx2.opad.h[4];
+    tmps[gid].dgst[i + 5] = sha256_hmac_ctx2.opad.h[5];
+    tmps[gid].dgst[i + 6] = sha256_hmac_ctx2.opad.h[6];
+    tmps[gid].dgst[i + 7] = sha256_hmac_ctx2.opad.h[7];
+
+    tmps[gid].out[i + 0] = tmps[gid].dgst[i + 0];
+    tmps[gid].out[i + 1] = tmps[gid].dgst[i + 1];
+    tmps[gid].out[i + 2] = tmps[gid].dgst[i + 2];
+    tmps[gid].out[i + 3] = tmps[gid].dgst[i + 3];
+    tmps[gid].out[i + 4] = tmps[gid].dgst[i + 4];
+    tmps[gid].out[i + 5] = tmps[gid].dgst[i + 5];
+    tmps[gid].out[i + 6] = tmps[gid].dgst[i + 6];
+    tmps[gid].out[i + 7] = tmps[gid].dgst[i + 7];
+  }
+}
+
+KERNEL_FQ void m26610_loop (KERN_ATTR_TMPS_ESALT (pbkdf2_sha256_tmp_t, pbkdf2_sha256_aes_gcm_t))
+{
+  const u64 gid = get_global_id (0);
+
+  if ((gid * VECT_SIZE) >= GID_CNT) return;
+
+  u32x ipad[8];
+  u32x opad[8];
+
+  ipad[0] = packv (tmps, ipad, gid, 0);
+  ipad[1] = packv (tmps, ipad, gid, 1);
+  ipad[2] = packv (tmps, ipad, gid, 2);
+  ipad[3] = packv (tmps, ipad, gid, 3);
+  ipad[4] = packv (tmps, ipad, gid, 4);
+  ipad[5] = packv (tmps, ipad, gid, 5);
+  ipad[6] = packv (tmps, ipad, gid, 6);
+  ipad[7] = packv (tmps, ipad, gid, 7);
+
+  opad[0] = packv (tmps, opad, gid, 0);
+  opad[1] = packv (tmps, opad, gid, 1);
+  opad[2] = packv (tmps, opad, gid, 2);
+  opad[3] = packv (tmps, opad, gid, 3);
+  opad[4] = packv (tmps, opad, gid, 4);
+  opad[5] = packv (tmps, opad, gid, 5);
+  opad[6] = packv (tmps, opad, gid, 6);
+  opad[7] = packv (tmps, opad, gid, 7);
+
+  for (u32 i = 0; i < 8; i += 8)
+  {
+    u32x dgst[8];
+    u32x out[8];
+
+    dgst[0] = packv (tmps, dgst, gid, i + 0);
+    dgst[1] = packv (tmps, dgst, gid, i + 1);
+    dgst[2] = packv (tmps, dgst, gid, i + 2);
+    dgst[3] = packv (tmps, dgst, gid, i + 3);
+    dgst[4] = packv (tmps, dgst, gid, i + 4);
+    dgst[5] = packv (tmps, dgst, gid, i + 5);
+    dgst[6] = packv (tmps, dgst, gid, i + 6);
+    dgst[7] = packv (tmps, dgst, gid, i + 7);
+
+    out[0] = packv (tmps, out, gid, i + 0);
+    out[1] = packv (tmps, out, gid, i + 1);
+    out[2] = packv (tmps, out, gid, i + 2);
+    out[3] = packv (tmps, out, gid, i + 3);
+    out[4] = packv (tmps, out, gid, i + 4);
+    out[5] = packv (tmps, out, gid, i + 5);
+    out[6] = packv (tmps, out, gid, i + 6);
+    out[7] = packv (tmps, out, gid, i + 7);
+
+    for (u32 j = 0; j < LOOP_CNT; j++)
+    {
+      u32x w0[4];
+      u32x w1[4];
+      u32x w2[4];
+      u32x w3[4];
+
+      w0[0] = dgst[0];
+      w0[1] = dgst[1];
+      w0[2] = dgst[2];
+      w0[3] = dgst[3];
+      w1[0] = dgst[4];
+      w1[1] = dgst[5];
+      w1[2] = dgst[6];
+      w1[3] = dgst[7];
+      w2[0] = 0x80000000;
+      w2[1] = 0;
+      w2[2] = 0;
+      w2[3] = 0;
+      w3[0] = 0;
+      w3[1] = 0;
+      w3[2] = 0;
+      w3[3] = (64 + 32) * 8;
+
+      hmac_sha256_run_V (w0, w1, w2, w3, ipad, opad, dgst);
+
+      out[0] ^= dgst[0];
+      out[1] ^= dgst[1];
+      out[2] ^= dgst[2];
+      out[3] ^= dgst[3];
+      out[4] ^= dgst[4];
+      out[5] ^= dgst[5];
+      out[6] ^= dgst[6];
+      out[7] ^= dgst[7];
+    }
+
+    unpackv (tmps, dgst, gid, i + 0, dgst[0]);
+    unpackv (tmps, dgst, gid, i + 1, dgst[1]);
+    unpackv (tmps, dgst, gid, i + 2, dgst[2]);
+    unpackv (tmps, dgst, gid, i + 3, dgst[3]);
+    unpackv (tmps, dgst, gid, i + 4, dgst[4]);
+    unpackv (tmps, dgst, gid, i + 5, dgst[5]);
+    unpackv (tmps, dgst, gid, i + 6, dgst[6]);
+    unpackv (tmps, dgst, gid, i + 7, dgst[7]);
+
+    unpackv (tmps, out, gid, i + 0, out[0]);
+    unpackv (tmps, out, gid, i + 1, out[1]);
+    unpackv (tmps, out, gid, i + 2, out[2]);
+    unpackv (tmps, out, gid, i + 3, out[3]);
+    unpackv (tmps, out, gid, i + 4, out[4]);
+    unpackv (tmps, out, gid, i + 5, out[5]);
+    unpackv (tmps, out, gid, i + 6, out[6]);
+    unpackv (tmps, out, gid, i + 7, out[7]);
+  }
+}
+
+KERNEL_FQ void m26610_comp (KERN_ATTR_TMPS_ESALT (pbkdf2_sha256_tmp_t, pbkdf2_sha256_aes_gcm_t))
+{
+  const u64 gid = get_global_id (0);
+  const u64 lid = get_local_id (0);
+  const u64 lsz = get_local_size (0);
+  #define il_pos 0
+
+
+  /**
+   * aes shared
+   */
+
+  #ifdef REAL_SHM
+
+  LOCAL_VK u32 s_te0[256];
+  LOCAL_VK u32 s_te1[256];
+  LOCAL_VK u32 s_te2[256];
+  LOCAL_VK u32 s_te3[256];
+  LOCAL_VK u32 s_te4[256];
+
+  for (u32 i = lid; i < 256; i += lsz)
+  {
+    s_te0[i] = te0[i];
+    s_te1[i] = te1[i];
+    s_te2[i] = te2[i];
+    s_te3[i] = te3[i];
+    s_te4[i] = te4[i];
+  }
+
+  SYNC_THREADS ();
+
+  #else
+
+  CONSTANT_AS u32a *s_te0 = te0;
+  CONSTANT_AS u32a *s_te1 = te1;
+  CONSTANT_AS u32a *s_te2 = te2;
+  CONSTANT_AS u32a *s_te3 = te3;
+  CONSTANT_AS u32a *s_te4 = te4;
+
+  #endif
+
+  if (gid >= GID_CNT) return;
+
+  // keys
+
+  u32 ukey[8];
+
+  ukey[0] = tmps[gid].out[0];
+  ukey[1] = tmps[gid].out[1];
+  ukey[2] = tmps[gid].out[2];
+  ukey[3] = tmps[gid].out[3];
+  ukey[4] = tmps[gid].out[4];
+  ukey[5] = tmps[gid].out[5];
+  ukey[6] = tmps[gid].out[6];
+  ukey[7] = tmps[gid].out[7];
+
+  u32 key_len = 32 * 8;
+
+  u32 key[60] = { 0 };
+  u32 subKey[4] = { 0 };
+
+  AES_GCM_Init (ukey, key_len, key, subKey, s_te0, s_te1, s_te2, s_te3, s_te4);
+
+  // iv
+
+  const u32 iv[4] = {
+    esalt_bufs[DIGESTS_OFFSET_HOST].iv_buf[0],
+    esalt_bufs[DIGESTS_OFFSET_HOST].iv_buf[1],
+    esalt_bufs[DIGESTS_OFFSET_HOST].iv_buf[2],
+    esalt_bufs[DIGESTS_OFFSET_HOST].iv_buf[3]
+  };
+
+  const u32 iv_len = esalt_bufs[DIGESTS_OFFSET_HOST].iv_len;
+
+  u32 J0[4] = { 0 };
+
+  AES_GCM_Prepare_J0 (iv, iv_len, subKey, J0);
+
+  // ct
+
+  //u32 T[4] = { 0 };
+  u32 ct[4] = { 
+    esalt_bufs[DIGESTS_OFFSET_HOST].ct_buf[0], 
+    esalt_bufs[DIGESTS_OFFSET_HOST].ct_buf[1],
+    esalt_bufs[DIGESTS_OFFSET_HOST].ct_buf[2],
+    esalt_bufs[DIGESTS_OFFSET_HOST].ct_buf[3] 
+    };
+  
+  u32 pt[4] = { 0 };
+
+  //u32 S_len   = 16;
+  //u32 aad_buf[4] = { 0 };
+  //u32 aad_len = 0;
+
+  //AES_GCM_GHASH_GLOBAL (subKey, aad_buf, aad_len, esalt_bufs[DIGESTS_OFFSET_HOST].ct_buf, esalt_bufs[DIGESTS_OFFSET_HOST].ct_len, S);
+
+  //AES_GCM_GCTR (key, J0, S, S_len, T, s_te0, s_te1, s_te2, s_te3, s_te4);
+
+  // we try to decrypt the ciphertext
+  AES_GCM_inc32(J0); // the first ctr is used to compute the tag, only the second is used for decryption: https://en.wikipedia.org/wiki/Galois/Counter_Mode#/media/File:GCM-Galois_Counter_Mode_with_IV.svg
+  AES_GCM_GCTR (key, J0, ct, 16, pt, s_te0, s_te1, s_te2, s_te3, s_te4); // decrypt the ciphertext
+
+
+  if ((gid == 0) && (lid == 0)) printf ("pt[0]=%08x\n", pt[0]); // should be 5b7b2274 or [{"type"
+
+
+  // cast plaintext buffer to byte such that we can do a byte per byte comparison
+  PRIVATE_AS const u32 *u32OutBufPtr = (PRIVATE_AS u32 *) pt;
+  PRIVATE_AS const u8  *u8OutBufPtr  = (PRIVATE_AS u8  *) u32OutBufPtr;
+
+  // the best comparison I can think of is checking each byte
+  //  whether it's ASCII, if so we're good,
+  //  if not, decryption was not successful
+  bool correct = true;
+  
+  for(int i=0;i<16;i++)
+  { 
+        if(u8OutBufPtr[i] >=20 && u8OutBufPtr[i] <= 0x7e) {
+          if ((gid == 0) && (lid == 0)) printf("correct ASCII byte[%d]=0x%02x\n", i, u8OutBufPtr[i]);
+        } 
+        else {
+          if ((gid == 0) && (lid == 0)) printf("NOT correct!   byte[%d]=0x%02x\n", i, u8OutBufPtr[i]);
+          correct = false;
+        }
+  }
+
+  const u32 digest[4] =
+  {
+    esalt_bufs[DIGESTS_OFFSET_HOST].ct_buf[0],
+    esalt_bufs[DIGESTS_OFFSET_HOST].ct_buf[1],
+    esalt_bufs[DIGESTS_OFFSET_HOST].ct_buf[2],
+    esalt_bufs[DIGESTS_OFFSET_HOST].ct_buf[3],
+  };
+  
+  
+  if ((gid == 0) && (lid == 0)) printf ("ct[0]=%08x\n", ct[0]);
+  if ((gid == 0) && (lid == 0)) printf ("ct[1]=%08x\n", ct[1]);
+  if ((gid == 0) && (lid == 0)) printf ("ct[2]=%08x\n", ct[2]);
+  if ((gid == 0) && (lid == 0)) printf ("ct[3]=%08x\n", ct[3]);
+    if ((gid == 0) && (lid == 0)) printf("here0\n");
+  
+  if (correct)
+  {
+    
+    if ((gid == 0) && (lid == 0)) printf("here1\n");
+    int digest_pos = find_hash (digest, DIGESTS_CNT, &digests_buf[DIGESTS_OFFSET_HOST]);
+
+    if (digest_pos != -1)
+    {
+      
+    if ((gid == 0) && (lid == 0)) printf("here2\n");
+      const u32 final_hash_pos = DIGESTS_OFFSET_HOST + digest_pos;
+
+      if (hc_atomic_inc (&hashes_shown[final_hash_pos]) == 0)
+      {
+        mark_hash (plains_buf, d_return_buf, SALT_POS_HOST, DIGESTS_CNT, digest_pos, final_hash_pos, gid, il_pos, 0, 0);
+      }
+    }
+  }
+}

src/modules/module_26610.c

@@ -0,0 +1,384 @@
+/**
+ * Author......: See docs/credits.txt
+ * License.....: MIT
+ */
+
+#include "common.h"
+#include "types.h"
+#include "modules.h"
+#include "bitops.h"
+#include "convert.h"
+#include "shared.h"
+#include "memory.h"
+
+static const u32   ATTACK_EXEC    = ATTACK_EXEC_OUTSIDE_KERNEL;
+static const u32   DGST_POS0      = 0;
+static const u32   DGST_POS1      = 1;
+static const u32   DGST_POS2      = 2;
+static const u32   DGST_POS3      = 3;
+static const u32   DGST_SIZE      = DGST_SIZE_4_4;
+static const u32   HASH_CATEGORY  = HASH_CATEGORY_CRYPTOCURRENCY_WALLET;
+static const char *HASH_NAME      = "MetaMask Wallet short data";
+static const u64   KERN_TYPE      = 26610;
+static const u32   OPTI_TYPE      = OPTI_TYPE_ZERO_BYTE
+                                  | OPTI_TYPE_SLOW_HASH_SIMD_LOOP;
+static const u64   OPTS_TYPE      = OPTS_TYPE_STOCK_MODULE
+                                  | OPTS_TYPE_PT_GENERATE_LE;
+static const u32   SALT_TYPE      = SALT_TYPE_EMBEDDED;
+static const char *ST_PASS        = "hashcat1";
+static const char *ST_HASH        = "$metamask-short$jfGI3TXguhb8GPnKSXFrMzRk2NCEc131Gt5G3kZr5+s=$h+BoIf2CQ5BEjaIOShFE7g==$R95fzGt4UQ0uwrcrVYnIi4UcSlWn9wlmer+//526ZDwYAp50K82F1u1oacYcdjjhuEvbZnWk/uBG00UkgLLlOw==";
+
+u32         module_attack_exec    (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ATTACK_EXEC;     }
+u32         module_dgst_pos0      (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS0;       }
+u32         module_dgst_pos1      (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS1;       }
+u32         module_dgst_pos2      (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS2;       }
+u32         module_dgst_pos3      (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS3;       }
+u32         module_dgst_size      (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_SIZE;       }
+u32         module_hash_category  (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return HASH_CATEGORY;   }
+const char *module_hash_name      (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return HASH_NAME;       }
+u64         module_kern_type      (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return KERN_TYPE;       }
+u32         module_opti_type      (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return OPTI_TYPE;       }
+u64         module_opts_type      (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return OPTS_TYPE;       }
+u32         module_salt_type      (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return SALT_TYPE;       }
+const char *module_st_hash        (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ST_HASH;         }
+const char *module_st_pass        (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ST_PASS;         }
+
+typedef struct pbkdf2_sha256_tmp
+{
+  u32  ipad[8];
+  u32  opad[8];
+
+  u32  dgst[32];
+  u32  out[32];
+
+} pbkdf2_sha256_tmp_t;
+
+typedef struct pbkdf2_sha256_aes_gcm
+{
+  u32 salt_buf[64];
+  u32 iv_buf[4];
+  u32 iv_len;
+  u32 ct_buf[784];
+  u32 ct_len;
+
+} pbkdf2_sha256_aes_gcm_t;
+
+static const char *SIGNATURE_METAMASK_WALLET = "$metamask-short$";
+
+char *module_jit_build_options (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hashes_t *hashes, MAYBE_UNUSED const hc_device_param_t *device_param)
+{
+  char *jit_build_options = NULL;
+
+  // Extra treatment for Apple systems
+  if (device_param->opencl_platform_vendor_id == VENDOR_ID_APPLE)
+  {
+    return jit_build_options;
+  }
+
+  // HIP
+  if (device_param->opencl_device_vendor_id == VENDOR_ID_AMD_USE_HIP)
+  {
+    hc_asprintf (&jit_build_options, "-D _unroll");
+  }
+
+  // ROCM
+  if ((device_param->opencl_device_vendor_id == VENDOR_ID_AMD) && (device_param->has_vperm == true))
+  {
+    hc_asprintf (&jit_build_options, "-D _unroll");
+  }
+
+  return jit_build_options;
+}
+
+u64 module_esalt_size (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
+{
+  const u64 esalt_size = (const u64) sizeof (pbkdf2_sha256_aes_gcm_t);
+
+  return esalt_size;
+}
+
+u64 module_tmp_size (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
+{
+  const u64 tmp_size = (const u64) sizeof (pbkdf2_sha256_tmp_t);
+
+  return tmp_size;
+}
+
+u32 module_pw_min (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
+{
+  const u32 pw_min = 8;
+
+  return pw_min;
+}
+
+u32 module_pw_max (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
+{
+  // this overrides the reductions of PW_MAX in case optimized kernel is selected
+  // IOW, even in optimized kernel mode it support length 256
+
+  const u32 pw_max = PW_MAX;
+
+  return pw_max;
+}
+
+int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED void *digest_buf, MAYBE_UNUSED salt_t *salt, MAYBE_UNUSED void *esalt_buf, MAYBE_UNUSED void *hook_salt_buf, MAYBE_UNUSED hashinfo_t *hash_info, const char *line_buf, MAYBE_UNUSED const int line_len)
+{
+  u32 *digest = (u32 *) digest_buf;
+
+  pbkdf2_sha256_aes_gcm_t *metamask = (pbkdf2_sha256_aes_gcm_t *) esalt_buf;
+
+  #define CT_MAX_LEN_BASE64 (((3136+16) * 8) / 6) + 3
+
+  hc_token_t token;
+
+  token.token_cnt  = 4;
+
+  token.signatures_cnt    = 1;
+  token.signatures_buf[0] = SIGNATURE_METAMASK_WALLET;
+
+  token.len[0]     = 16;
+  token.attr[0]    = TOKEN_ATTR_FIXED_LENGTH
+                   | TOKEN_ATTR_VERIFY_SIGNATURE;
+
+  token.sep[1]     = '$';
+  token.len_min[1] = 44;
+  token.len_max[1] = 44;
+  token.attr[1]    = TOKEN_ATTR_VERIFY_LENGTH
+                   | TOKEN_ATTR_VERIFY_BASE64A;
+
+  token.sep[2]     = '$';
+  token.len_min[2] = 24;
+  token.len_max[2] = 24;
+  token.attr[2]    = TOKEN_ATTR_VERIFY_LENGTH
+                   | TOKEN_ATTR_VERIFY_BASE64A;
+
+  token.sep[3]     = '$';
+  token.len_min[3] = 32;
+  token.len_max[3] = 100;
+  token.attr[3]    = TOKEN_ATTR_VERIFY_LENGTH
+                   | TOKEN_ATTR_VERIFY_BASE64A;
+
+  const int rc_tokenizer = input_tokenizer ((const u8 *) line_buf, line_len, &token);
+
+  if (rc_tokenizer != PARSER_OK) return (rc_tokenizer);
+
+  u8 tmp_buf[CT_MAX_LEN_BASE64] = { 0 };
+
+  size_t tmp_len = 0;
+
+  // iter
+
+  salt->salt_iter = 10000 - 1;
+
+  // salt
+
+  const u8 *salt_pos = token.buf[1];
+  const int salt_len = token.len[1];
+
+  memset (tmp_buf, 0, sizeof (tmp_buf));
+
+  tmp_len = base64_decode (base64_to_int, salt_pos, salt_len, tmp_buf);
+
+  if (tmp_len != 32) return (PARSER_SALT_LENGTH);
+
+  memcpy (salt->salt_buf, tmp_buf, tmp_len);
+
+  salt->salt_len = tmp_len;
+
+  metamask->salt_buf[0] = salt->salt_buf[0];
+  metamask->salt_buf[1] = salt->salt_buf[1];
+  metamask->salt_buf[2] = salt->salt_buf[2];
+  metamask->salt_buf[3] = salt->salt_buf[3];
+  metamask->salt_buf[4] = salt->salt_buf[4];
+  metamask->salt_buf[5] = salt->salt_buf[5];
+  metamask->salt_buf[6] = salt->salt_buf[6];
+  metamask->salt_buf[7] = salt->salt_buf[7];
+
+  // iv
+
+  const u8 *iv_pos = token.buf[2];
+  const int iv_len = token.len[2];
+
+  memset (tmp_buf, 0, sizeof (tmp_buf));
+
+  tmp_len = base64_decode (base64_to_int, iv_pos, iv_len, tmp_buf);
+
+  if (tmp_len != 16) return (PARSER_IV_LENGTH);
+
+  memcpy ((u8 *) metamask->iv_buf, tmp_buf, tmp_len);
+
+  metamask->iv_buf[0] = byte_swap_32 (metamask->iv_buf[0]);
+  metamask->iv_buf[1] = byte_swap_32 (metamask->iv_buf[1]);
+  metamask->iv_buf[2] = byte_swap_32 (metamask->iv_buf[2]);
+  metamask->iv_buf[3] = byte_swap_32 (metamask->iv_buf[3]);
+
+  metamask->iv_len = tmp_len;
+
+  // ciphertext
+
+  const u8 *ct_pos = token.buf[3];
+  const int ct_len = token.len[3];
+
+  memset (tmp_buf, 0, sizeof (tmp_buf));
+
+  tmp_len = base64_decode (base64_to_int, ct_pos, ct_len, tmp_buf);
+
+  memcpy ((u8 *) metamask->ct_buf, tmp_buf, tmp_len);
+
+  u32 j = tmp_len / 4;
+
+  if ((tmp_len % 4) > 0) j++;
+
+  for (u32 i = 0; i < j; i++) metamask->ct_buf[i] = byte_swap_32 (metamask->ct_buf[i]);
+
+  metamask->ct_len = tmp_len;
+
+  digest[0] =  (metamask->ct_buf[0]);
+  digest[1] =  (metamask->ct_buf[1]);
+  digest[2] =  (metamask->ct_buf[2]);
+  digest[3] =  (metamask->ct_buf[3]);
+
+printf ("ct_buf[0]=%08x\n", metamask->ct_buf[0]);
+printf ("ct_buf[1]=%08x\n", metamask->ct_buf[1]);
+printf ("ct_buf[2]=%08x\n", metamask->ct_buf[2]);
+printf ("ct_buf[3]=%08x\n", metamask->ct_buf[3]);
+printf ("digest[0]=%08x\n", digest[0]);
+printf ("digest[1]=%08x\n", digest[1]);
+printf ("digest[2]=%08x\n", digest[2]);
+printf ("digest[3]=%08x\n", digest[3]);
+  return (PARSER_OK);
+}
+
+int module_hash_encode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const void *digest_buf, MAYBE_UNUSED const salt_t *salt, MAYBE_UNUSED const void *esalt_buf, MAYBE_UNUSED const void *hook_salt_buf, MAYBE_UNUSED const hashinfo_t *hash_info, char *line_buf, MAYBE_UNUSED const int line_size)
+{
+  pbkdf2_sha256_aes_gcm_t *metamask = (pbkdf2_sha256_aes_gcm_t *) esalt_buf;
+
+  // salt
+
+  #define SALT_LEN_BASE64   ((32 * 8) / 6) + 3
+  #define IV_LEN_BASE64     ((16 * 8) / 6) + 3
+  #define CT_MAX_LEN_BASE64 (((3136+16) * 8) / 6) + 3 // TODO this can be much smaller now, probably 32 ?
+
+  u8 salt_buf[SALT_LEN_BASE64] = { 0 };
+
+  base64_encode (int_to_base64, (const u8 *) salt->salt_buf, (const int) salt->salt_len, salt_buf);
+
+  // iv
+
+  u32 tmp_iv_buf[4] = { 0 };
+
+  tmp_iv_buf[0] = byte_swap_32 (metamask->iv_buf[0]);
+  tmp_iv_buf[1] = byte_swap_32 (metamask->iv_buf[1]);
+  tmp_iv_buf[2] = byte_swap_32 (metamask->iv_buf[2]);
+  tmp_iv_buf[3] = byte_swap_32 (metamask->iv_buf[3]);
+
+  u8 iv_buf[IV_LEN_BASE64+1] = { 0 };
+
+  base64_encode (int_to_base64, (const u8 *) tmp_iv_buf, (const int) metamask->iv_len, iv_buf);
+
+  // ct
+
+  u32 ct_len = metamask->ct_len;
+
+  u32 j = ct_len / 4;
+
+  if ((ct_len % 4) > 0) j++;
+
+  u32 tmp_buf[784] = { 0 };
+
+  for (u32 i = 0; i < j; i++) tmp_buf[i] = byte_swap_32 (metamask->ct_buf[i]);
+
+  u8 ct_buf[CT_MAX_LEN_BASE64] = { 0 };
+
+  base64_encode (int_to_base64, (const u8 *) tmp_buf, (const int) metamask->ct_len, ct_buf);
+
+  u8 *out_buf = (u8 *) line_buf;
+
+  int out_len = snprintf ((char *) out_buf, line_size, "%s%s$%s$%s",
+    SIGNATURE_METAMASK_WALLET,
+    salt_buf,
+    iv_buf,
+    ct_buf);
+
+  return out_len;
+}
+
+void module_init (module_ctx_t *module_ctx)
+{
+  module_ctx->module_context_size             = MODULE_CONTEXT_SIZE_CURRENT;
+  module_ctx->module_interface_version        = MODULE_INTERFACE_VERSION_CURRENT;
+
+  module_ctx->module_attack_exec              = module_attack_exec;
+  module_ctx->module_benchmark_esalt          = MODULE_DEFAULT;
+  module_ctx->module_benchmark_hook_salt      = MODULE_DEFAULT;
+  module_ctx->module_benchmark_mask           = MODULE_DEFAULT;
+  module_ctx->module_benchmark_charset        = MODULE_DEFAULT;
+  module_ctx->module_benchmark_salt           = MODULE_DEFAULT;
+  module_ctx->module_build_plain_postprocess  = MODULE_DEFAULT;
+  module_ctx->module_deep_comp_kernel         = MODULE_DEFAULT;
+  module_ctx->module_deprecated_notice        = MODULE_DEFAULT;
+  module_ctx->module_dgst_pos0                = module_dgst_pos0;
+  module_ctx->module_dgst_pos1                = module_dgst_pos1;
+  module_ctx->module_dgst_pos2                = module_dgst_pos2;
+  module_ctx->module_dgst_pos3                = module_dgst_pos3;
+  module_ctx->module_dgst_size                = module_dgst_size;
+  module_ctx->module_dictstat_disable         = MODULE_DEFAULT;
+  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;
+  module_ctx->module_hash_binary_save         = MODULE_DEFAULT;
+  module_ctx->module_hash_decode_postprocess  = MODULE_DEFAULT;
+  module_ctx->module_hash_decode_potfile      = MODULE_DEFAULT;
+  module_ctx->module_hash_decode_zero_hash    = MODULE_DEFAULT;
+  module_ctx->module_hash_decode              = module_hash_decode;
+  module_ctx->module_hash_encode_status       = MODULE_DEFAULT;
+  module_ctx->module_hash_encode_potfile      = MODULE_DEFAULT;
+  module_ctx->module_hash_encode              = module_hash_encode;
+  module_ctx->module_hash_init_selftest       = MODULE_DEFAULT;
+  module_ctx->module_hash_mode                = MODULE_DEFAULT;
+  module_ctx->module_hash_category            = module_hash_category;
+  module_ctx->module_hash_name                = module_hash_name;
+  module_ctx->module_hashes_count_min         = MODULE_DEFAULT;
+  module_ctx->module_hashes_count_max         = MODULE_DEFAULT;
+  module_ctx->module_hlfmt_disable            = MODULE_DEFAULT;
+  module_ctx->module_hook_extra_param_size    = MODULE_DEFAULT;
+  module_ctx->module_hook_extra_param_init    = MODULE_DEFAULT;
+  module_ctx->module_hook_extra_param_term    = MODULE_DEFAULT;
+  module_ctx->module_hook12                   = MODULE_DEFAULT;
+  module_ctx->module_hook23                   = MODULE_DEFAULT;
+  module_ctx->module_hook_salt_size           = MODULE_DEFAULT;
+  module_ctx->module_hook_size                = MODULE_DEFAULT;
+  module_ctx->module_jit_build_options        = module_jit_build_options;
+  module_ctx->module_jit_cache_disable        = MODULE_DEFAULT;
+  module_ctx->module_kernel_accel_max         = MODULE_DEFAULT;
+  module_ctx->module_kernel_accel_min         = MODULE_DEFAULT;
+  module_ctx->module_kernel_loops_max         = MODULE_DEFAULT;
+  module_ctx->module_kernel_loops_min         = MODULE_DEFAULT;
+  module_ctx->module_kernel_threads_max       = MODULE_DEFAULT;
+  module_ctx->module_kernel_threads_min       = MODULE_DEFAULT;
+  module_ctx->module_kern_type                = module_kern_type;
+  module_ctx->module_kern_type_dynamic        = MODULE_DEFAULT;
+  module_ctx->module_opti_type                = module_opti_type;
+  module_ctx->module_opts_type                = module_opts_type;
+  module_ctx->module_outfile_check_disable    = MODULE_DEFAULT;
+  module_ctx->module_outfile_check_nocomp     = MODULE_DEFAULT;
+  module_ctx->module_potfile_custom_check     = MODULE_DEFAULT;
+  module_ctx->module_potfile_disable          = MODULE_DEFAULT;
+  module_ctx->module_potfile_keep_all_hashes  = MODULE_DEFAULT;
+  module_ctx->module_pwdump_column            = MODULE_DEFAULT;
+  module_ctx->module_pw_max                   = module_pw_max;
+  module_ctx->module_pw_min                   = module_pw_min;
+  module_ctx->module_salt_max                 = MODULE_DEFAULT;
+  module_ctx->module_salt_min                 = MODULE_DEFAULT;
+  module_ctx->module_salt_type                = module_salt_type;
+  module_ctx->module_separator                = MODULE_DEFAULT;
+  module_ctx->module_st_hash                  = module_st_hash;
+  module_ctx->module_st_pass                  = module_st_pass;
+  module_ctx->module_tmp_size                 = module_tmp_size;
+  module_ctx->module_unstable_warning         = MODULE_DEFAULT;
+  module_ctx->module_warmup_disable           = MODULE_DEFAULT;
+}