diff --git a/OpenCL/m26800-pure.cl b/OpenCL/m26800-pure.cl
new file mode 100644
index 000000000..c331304d1
--- /dev/null
+++ b/OpenCL/m26800-pure.cl
@@ -0,0 +1,663 @@
+/**
+ * Author......: See docs/credits.txt
+ * License.....: MIT
+ */
+
+#define NEW_SIMD_CODE
+
+#ifdef KERNEL_STATIC
+#include "inc_vendor.h"
+#include "inc_types.h"
+#include "inc_platform.cl"
+#include "inc_common.cl"
+#include "inc_simd.cl"
+#include "inc_hash_sha256.cl"
+#include "inc_cipher_aes.cl"
+#endif
+
+#define COMPARE_M "inc_comp_multi.cl"
+
+typedef struct vbox
+{
+  u32 salt1_buf[64];
+  u32 salt1_len;
+  u32 aes_key_len;
+  u32 enc_pass_buf[64];
+  u32 salt2_buf[64];
+  u32 salt2_len;
+
+} vbox_t;
+
+typedef struct pbkdf2_sha256_tmp
+{
+  u32  ipad[8];
+  u32  opad[8];
+
+  u32  dgst[64];
+  u32  out[64];
+
+} pbkdf2_sha256_tmp_t;
+
+DECLSPEC void hmac_sha256_run_V (u32x *w0, u32x *w1, u32x *w2, u32x *w3, u32x *ipad, u32x *opad, 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);
+}
+
+DECLSPEC void xts_mul2 (u32 *in, u32 *out)
+{
+  const u32 c = in[3] >> 31;
+
+  out[3] = (in[3] << 1) | (in[2] >> 31);
+  out[2] = (in[2] << 1) | (in[1] >> 31);
+  out[1] = (in[1] << 1) | (in[0] >> 31);
+  out[0] = (in[0] << 1);
+
+  out[0] ^= c * 0x87;
+}
+
+KERNEL_FQ void m26800_init (KERN_ATTR_TMPS_ESALT (pbkdf2_sha256_tmp_t, vbox_t))
+{
+  /**
+   * base
+   */
+
+  const u64 gid = get_global_id (0);
+
+  if (gid >= gid_max) 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].salt1_buf, esalt_bufs[DIGESTS_OFFSET].salt1_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 m26800_loop (KERN_ATTR_TMPS_ESALT (pbkdf2_sha256_tmp_t, vbox_t))
+{
+  const u64 gid = get_global_id (0);
+
+  if ((gid * VECT_SIZE) >= gid_max) 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 m26800_init2 (KERN_ATTR_TMPS_ESALT (pbkdf2_sha256_tmp_t, vbox_t))
+{
+  const u64 gid = get_global_id (0);
+  const u64 lid = get_local_id (0);
+  const u64 lsz = get_local_size (0);
+
+  /**
+   * aes shared
+   */
+
+  #ifdef REAL_SHM
+
+  LOCAL_VK u32 s_td0[256];
+  LOCAL_VK u32 s_td1[256];
+  LOCAL_VK u32 s_td2[256];
+  LOCAL_VK u32 s_td3[256];
+  LOCAL_VK u32 s_td4[256];
+
+  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_td0[i] = td0[i];
+    s_td1[i] = td1[i];
+    s_td2[i] = td2[i];
+    s_td3[i] = td3[i];
+    s_td4[i] = td4[i];
+
+    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_td0 = td0;
+  CONSTANT_AS u32a *s_td1 = td1;
+  CONSTANT_AS u32a *s_td2 = td2;
+  CONSTANT_AS u32a *s_td3 = td3;
+  CONSTANT_AS u32a *s_td4 = td4;
+
+  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_max) return;
+
+  /**
+   * aes
+   */
+
+  u32 ukey1[4];
+  u32 ukey2[4];
+
+  ukey1[0] = tmps[gid].out[0];
+  ukey1[1] = tmps[gid].out[1];
+  ukey1[2] = tmps[gid].out[2];
+  ukey1[3] = tmps[gid].out[3];
+
+  ukey2[0] = tmps[gid].out[4];
+  ukey2[1] = tmps[gid].out[5];
+  ukey2[2] = tmps[gid].out[6];
+  ukey2[3] = tmps[gid].out[7];
+
+  ukey1[0] = hc_swap32_S (ukey1[0]);
+  ukey1[1] = hc_swap32_S (ukey1[1]);
+  ukey1[2] = hc_swap32_S (ukey1[2]);
+  ukey1[3] = hc_swap32_S (ukey1[3]);
+
+  ukey2[0] = hc_swap32_S (ukey2[0]);
+  ukey2[1] = hc_swap32_S (ukey2[1]);
+  ukey2[2] = hc_swap32_S (ukey2[2]);
+  ukey2[3] = hc_swap32_S (ukey2[3]);
+
+  u32 ks[44];
+
+  u32 aes_decrypt[8];
+
+  // first block
+
+  u32 in[4];
+
+  in[0] = esalt_bufs[DIGESTS_OFFSET].enc_pass_buf[0];
+  in[1] = esalt_bufs[DIGESTS_OFFSET].enc_pass_buf[1];
+  in[2] = esalt_bufs[DIGESTS_OFFSET].enc_pass_buf[2];
+  in[3] = esalt_bufs[DIGESTS_OFFSET].enc_pass_buf[3];
+
+  u32 out[4];
+
+  out[0] = in[0];
+  out[1] = in[1];
+  out[2] = in[2];
+  out[3] = in[3];
+
+  u32 S[4] = { 0 }; // tweek, 16 x 0x00
+  u32 T[4] = { 0 };
+
+  aes128_set_encrypt_key (ks, ukey2, s_te0, s_te1, s_te2, s_te3);
+  aes128_encrypt (ks, S, T, s_te0, s_te1, s_te2, s_te3, s_te4);
+
+  out[0] ^= T[0];
+  out[1] ^= T[1];
+  out[2] ^= T[2];
+  out[3] ^= T[3];
+
+  aes128_set_decrypt_key (ks, ukey1, s_te0, s_te1, s_te2, s_te3, s_td0, s_td1, s_td2, s_td3);
+  aes128_decrypt (ks, out, out, s_td0, s_td1, s_td2, s_td3, s_td4);
+
+  out[0] ^= T[0];
+  out[1] ^= T[1];
+  out[2] ^= T[2];
+  out[3] ^= T[3];
+
+  aes_decrypt[0] = out[0];
+  aes_decrypt[1] = out[1];
+  aes_decrypt[2] = out[2];
+  aes_decrypt[3] = out[3];
+
+  // next
+
+  in[0] = esalt_bufs[DIGESTS_OFFSET].enc_pass_buf[4];
+  in[1] = esalt_bufs[DIGESTS_OFFSET].enc_pass_buf[5];
+  in[2] = esalt_bufs[DIGESTS_OFFSET].enc_pass_buf[6];
+  in[3] = esalt_bufs[DIGESTS_OFFSET].enc_pass_buf[7];
+
+  out[0] = in[0];
+  out[1] = in[1];
+  out[2] = in[2];
+  out[3] = in[3];
+
+  xts_mul2 (T, T);
+
+  out[0] ^= T[0];
+  out[1] ^= T[1];
+  out[2] ^= T[2];
+  out[3] ^= T[3];
+
+  aes128_decrypt (ks, out, out, s_td0, s_td1, s_td2, s_td3, s_td4);
+
+  out[0] ^= T[0];
+  out[1] ^= T[1];
+  out[2] ^= T[2];
+  out[3] ^= T[3];
+
+  aes_decrypt[4] = out[0];
+  aes_decrypt[5] = out[1];
+  aes_decrypt[6] = out[2];
+  aes_decrypt[7] = out[3];
+
+  // pbkdf2-hmac-sha256
+
+  u32 w0[4];
+  u32 w1[4];
+  u32 w2[4];
+  u32 w3[4];
+
+  w0[0] = hc_swap32_S (aes_decrypt[ 0]);
+  w0[1] = hc_swap32_S (aes_decrypt[ 1]);
+  w0[2] = hc_swap32_S (aes_decrypt[ 2]);
+  w0[3] = hc_swap32_S (aes_decrypt[ 3]);
+  w1[0] = hc_swap32_S (aes_decrypt[ 4]);
+  w1[1] = hc_swap32_S (aes_decrypt[ 5]);
+  w1[2] = hc_swap32_S (aes_decrypt[ 6]);
+  w1[3] = hc_swap32_S (aes_decrypt[ 7]);
+  w2[0] = 0;
+  w2[1] = 0;
+  w2[2] = 0;
+  w2[3] = 0;
+  w3[0] = 0;
+  w3[1] = 0;
+  w3[2] = 0;
+  w3[3] = 0;
+
+  // init2
+
+  sha256_hmac_ctx_t sha256_hmac_ctx;
+
+  sha256_hmac_init_64 (&sha256_hmac_ctx, w0, w1, w2, w3);
+
+  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].salt2_buf, esalt_bufs[DIGESTS_OFFSET].salt2_len);
+
+  for (u32 i = 0, j = 1; i < 8; i += 8, j += 1)
+  {
+    sha256_hmac_ctx_t sha256_hmac_ctx2 = sha256_hmac_ctx;
+
+    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 m26800_loop2 (KERN_ATTR_TMPS_ESALT (pbkdf2_sha256_tmp_t, vbox_t))
+{
+  const u64 gid = get_global_id (0);
+
+  if ((gid * VECT_SIZE) >= gid_max) 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 m26800_comp (KERN_ATTR_TMPS_ESALT (pbkdf2_sha256_tmp_t, vbox_t))
+{
+  const u64 gid = get_global_id (0);
+
+  if (gid >= gid_max) return;
+
+  const u32 r0 = tmps[gid].out[0];
+  const u32 r1 = tmps[gid].out[1];
+  const u32 r2 = tmps[gid].out[2];
+  const u32 r3 = tmps[gid].out[3];
+
+  #define il_pos 0
+
+  #ifdef KERNEL_STATIC
+  #include COMPARE_M
+  #endif
+}
diff --git a/OpenCL/m26900-pure.cl b/OpenCL/m26900-pure.cl
new file mode 100644
index 000000000..f5a330d2d
--- /dev/null
+++ b/OpenCL/m26900-pure.cl
@@ -0,0 +1,741 @@
+/**
+ * Author......: See docs/credits.txt
+ * License.....: MIT
+ */
+
+#define NEW_SIMD_CODE
+
+#ifdef KERNEL_STATIC
+#include "inc_vendor.h"
+#include "inc_types.h"
+#include "inc_platform.cl"
+#include "inc_common.cl"
+#include "inc_simd.cl"
+#include "inc_hash_sha256.cl"
+#include "inc_cipher_aes.cl"
+#endif
+
+#define COMPARE_M "inc_comp_multi.cl"
+
+typedef struct vbox
+{
+  u32 salt1_buf[64];
+  u32 salt1_len;
+  u32 aes_key_len;
+  u32 enc_pass_buf[128];
+  u32 salt2_buf[64];
+  u32 salt2_len;
+
+} vbox_t;
+
+typedef struct pbkdf2_sha256_tmp
+{
+  u32  ipad[8];
+  u32  opad[8];
+
+  u32  dgst[64];
+  u32  out[64];
+
+} pbkdf2_sha256_tmp_t;
+
+DECLSPEC void hmac_sha256_run_V (u32x *w0, u32x *w1, u32x *w2, u32x *w3, u32x *ipad, u32x *opad, 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);
+}
+
+DECLSPEC void xts_mul2 (u32 *in, u32 *out)
+{
+  const u32 c = in[3] >> 31;
+
+  out[3] = (in[3] << 1) | (in[2] >> 31);
+  out[2] = (in[2] << 1) | (in[1] >> 31);
+  out[1] = (in[1] << 1) | (in[0] >> 31);
+  out[0] = (in[0] << 1);
+
+  out[0] ^= c * 0x87;
+}
+
+KERNEL_FQ void m26900_init (KERN_ATTR_TMPS_ESALT (pbkdf2_sha256_tmp_t, vbox_t))
+{
+  /**
+   * base
+   */
+
+  const u64 gid = get_global_id (0);
+
+  if (gid >= gid_max) 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].salt1_buf, esalt_bufs[DIGESTS_OFFSET].salt1_len);
+
+  for (u32 i = 0, j = 1; i < 16; 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 m26900_loop (KERN_ATTR_TMPS_ESALT (pbkdf2_sha256_tmp_t, vbox_t))
+{
+  const u64 gid = get_global_id (0);
+
+  if ((gid * VECT_SIZE) >= gid_max) 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 < 16; 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 m26900_init2 (KERN_ATTR_TMPS_ESALT (pbkdf2_sha256_tmp_t, vbox_t))
+{
+  const u64 gid = get_global_id (0);
+  const u64 lid = get_local_id (0);
+  const u64 lsz = get_local_size (0);
+
+  /**
+   * aes shared
+   */
+
+  #ifdef REAL_SHM
+
+  LOCAL_VK u32 s_td0[256];
+  LOCAL_VK u32 s_td1[256];
+  LOCAL_VK u32 s_td2[256];
+  LOCAL_VK u32 s_td3[256];
+  LOCAL_VK u32 s_td4[256];
+
+  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_td0[i] = td0[i];
+    s_td1[i] = td1[i];
+    s_td2[i] = td2[i];
+    s_td3[i] = td3[i];
+    s_td4[i] = td4[i];
+
+    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_td0 = td0;
+  CONSTANT_AS u32a *s_td1 = td1;
+  CONSTANT_AS u32a *s_td2 = td2;
+  CONSTANT_AS u32a *s_td3 = td3;
+  CONSTANT_AS u32a *s_td4 = td4;
+
+  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_max) return;
+
+  /**
+   * aes
+   */
+
+  u32 ukey1[8];
+  u32 ukey2[8];
+
+  ukey1[0] = tmps[gid].out[ 0];
+  ukey1[1] = tmps[gid].out[ 1];
+  ukey1[2] = tmps[gid].out[ 2];
+  ukey1[3] = tmps[gid].out[ 3];
+  ukey1[4] = tmps[gid].out[ 4];
+  ukey1[5] = tmps[gid].out[ 5];
+  ukey1[6] = tmps[gid].out[ 6];
+  ukey1[7] = tmps[gid].out[ 7];
+
+  ukey2[0] = tmps[gid].out[ 8];
+  ukey2[1] = tmps[gid].out[ 9];
+  ukey2[2] = tmps[gid].out[10];
+  ukey2[3] = tmps[gid].out[11];
+  ukey2[4] = tmps[gid].out[12];
+  ukey2[5] = tmps[gid].out[13];
+  ukey2[6] = tmps[gid].out[14];
+  ukey2[7] = tmps[gid].out[15];
+
+  ukey1[0] = hc_swap32_S (ukey1[0]);
+  ukey1[1] = hc_swap32_S (ukey1[1]);
+  ukey1[2] = hc_swap32_S (ukey1[2]);
+  ukey1[3] = hc_swap32_S (ukey1[3]);
+  ukey1[4] = hc_swap32_S (ukey1[4]);
+  ukey1[5] = hc_swap32_S (ukey1[5]);
+  ukey1[6] = hc_swap32_S (ukey1[6]);
+  ukey1[7] = hc_swap32_S (ukey1[7]);
+
+  ukey2[0] = hc_swap32_S (ukey2[0]);
+  ukey2[1] = hc_swap32_S (ukey2[1]);
+  ukey2[2] = hc_swap32_S (ukey2[2]);
+  ukey2[3] = hc_swap32_S (ukey2[3]);
+  ukey2[4] = hc_swap32_S (ukey2[4]);
+  ukey2[5] = hc_swap32_S (ukey2[5]);
+  ukey2[6] = hc_swap32_S (ukey2[6]);
+  ukey2[7] = hc_swap32_S (ukey2[7]);
+
+  u32 ks[60];
+
+  u32 aes_decrypt[16];
+
+  // first block
+
+  u32 in[4];
+
+  in[0] = esalt_bufs[DIGESTS_OFFSET].enc_pass_buf[0];
+  in[1] = esalt_bufs[DIGESTS_OFFSET].enc_pass_buf[1];
+  in[2] = esalt_bufs[DIGESTS_OFFSET].enc_pass_buf[2];
+  in[3] = esalt_bufs[DIGESTS_OFFSET].enc_pass_buf[3];
+
+  u32 out[4];
+
+  out[0] = in[0];
+  out[1] = in[1];
+  out[2] = in[2];
+  out[3] = in[3];
+
+  u32 S[4] = { 0 }; // tweek, 16 x 0x00
+  u32 T[4] = { 0 };
+
+  aes256_set_encrypt_key (ks, ukey2, s_te0, s_te1, s_te2, s_te3);
+  aes256_encrypt (ks, S, T, s_te0, s_te1, s_te2, s_te3, s_te4);
+
+  out[0] ^= T[0];
+  out[1] ^= T[1];
+  out[2] ^= T[2];
+  out[3] ^= T[3];
+
+  aes256_set_decrypt_key (ks, ukey1, s_te0, s_te1, s_te2, s_te3, s_td0, s_td1, s_td2, s_td3);
+  aes256_decrypt (ks, out, out, s_td0, s_td1, s_td2, s_td3, s_td4);
+
+  out[0] ^= T[0];
+  out[1] ^= T[1];
+  out[2] ^= T[2];
+  out[3] ^= T[3];
+
+  aes_decrypt[0] = out[0];
+  aes_decrypt[1] = out[1];
+  aes_decrypt[2] = out[2];
+  aes_decrypt[3] = out[3];
+
+  // next
+
+  in[0] = esalt_bufs[DIGESTS_OFFSET].enc_pass_buf[4];
+  in[1] = esalt_bufs[DIGESTS_OFFSET].enc_pass_buf[5];
+  in[2] = esalt_bufs[DIGESTS_OFFSET].enc_pass_buf[6];
+  in[3] = esalt_bufs[DIGESTS_OFFSET].enc_pass_buf[7];
+
+  out[0] = in[0];
+  out[1] = in[1];
+  out[2] = in[2];
+  out[3] = in[3];
+
+  xts_mul2 (T, T);
+
+  out[0] ^= T[0];
+  out[1] ^= T[1];
+  out[2] ^= T[2];
+  out[3] ^= T[3];
+
+  aes256_decrypt (ks, out, out, s_td0, s_td1, s_td2, s_td3, s_td4);
+
+  out[0] ^= T[0];
+  out[1] ^= T[1];
+  out[2] ^= T[2];
+  out[3] ^= T[3];
+
+  aes_decrypt[4] = out[0];
+  aes_decrypt[5] = out[1];
+  aes_decrypt[6] = out[2];
+  aes_decrypt[7] = out[3];
+
+  // next
+
+  in[0] = esalt_bufs[DIGESTS_OFFSET].enc_pass_buf[8];
+  in[1] = esalt_bufs[DIGESTS_OFFSET].enc_pass_buf[9];
+  in[2] = esalt_bufs[DIGESTS_OFFSET].enc_pass_buf[10];
+  in[3] = esalt_bufs[DIGESTS_OFFSET].enc_pass_buf[11];
+
+  out[0] = in[0];
+  out[1] = in[1];
+  out[2] = in[2];
+  out[3] = in[3];
+
+  xts_mul2 (T, T);
+
+  out[0] ^= T[0];
+  out[1] ^= T[1];
+  out[2] ^= T[2];
+  out[3] ^= T[3];
+
+  aes256_decrypt (ks, out, out, s_td0, s_td1, s_td2, s_td3, s_td4);
+
+  out[0] ^= T[0];
+  out[1] ^= T[1];
+  out[2] ^= T[2];
+  out[3] ^= T[3];
+
+  aes_decrypt[8] = out[0];
+  aes_decrypt[9] = out[1];
+  aes_decrypt[10] = out[2];
+  aes_decrypt[11] = out[3];
+
+  // next
+
+  in[0] = esalt_bufs[DIGESTS_OFFSET].enc_pass_buf[12];
+  in[1] = esalt_bufs[DIGESTS_OFFSET].enc_pass_buf[13];
+  in[2] = esalt_bufs[DIGESTS_OFFSET].enc_pass_buf[14];
+  in[3] = esalt_bufs[DIGESTS_OFFSET].enc_pass_buf[15];
+
+  out[0] = in[0];
+  out[1] = in[1];
+  out[2] = in[2];
+  out[3] = in[3];
+
+  xts_mul2 (T, T);
+
+  out[0] ^= T[0];
+  out[1] ^= T[1];
+  out[2] ^= T[2];
+  out[3] ^= T[3];
+
+  aes256_decrypt (ks, out, out, s_td0, s_td1, s_td2, s_td3, s_td4);
+
+  out[0] ^= T[0];
+  out[1] ^= T[1];
+  out[2] ^= T[2];
+  out[3] ^= T[3];
+
+  aes_decrypt[12] = out[0];
+  aes_decrypt[13] = out[1];
+  aes_decrypt[14] = out[2];
+  aes_decrypt[15] = out[3];
+
+  // pbkdf2-hmac-sha256
+
+  u32 w0[4];
+  u32 w1[4];
+  u32 w2[4];
+  u32 w3[4];
+
+  w0[0] = hc_swap32_S (aes_decrypt[ 0]);
+  w0[1] = hc_swap32_S (aes_decrypt[ 1]);
+  w0[2] = hc_swap32_S (aes_decrypt[ 2]);
+  w0[3] = hc_swap32_S (aes_decrypt[ 3]);
+  w1[0] = hc_swap32_S (aes_decrypt[ 4]);
+  w1[1] = hc_swap32_S (aes_decrypt[ 5]);
+  w1[2] = hc_swap32_S (aes_decrypt[ 6]);
+  w1[3] = hc_swap32_S (aes_decrypt[ 7]);
+  w2[0] = hc_swap32_S (aes_decrypt[ 8]);
+  w2[1] = hc_swap32_S (aes_decrypt[ 9]);
+  w2[2] = hc_swap32_S (aes_decrypt[10]);
+  w2[3] = hc_swap32_S (aes_decrypt[11]);
+  w3[0] = hc_swap32_S (aes_decrypt[12]);
+  w3[1] = hc_swap32_S (aes_decrypt[13]);
+  w3[2] = hc_swap32_S (aes_decrypt[14]);
+  w3[3] = hc_swap32_S (aes_decrypt[15]);
+
+  // init2
+
+  sha256_hmac_ctx_t sha256_hmac_ctx;
+
+  sha256_hmac_init_64 (&sha256_hmac_ctx, w0, w1, w2, w3);
+
+  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].salt2_buf, esalt_bufs[DIGESTS_OFFSET].salt2_len);
+
+  for (u32 i = 0, j = 1; i < 8; i += 8, j += 1)
+  {
+    sha256_hmac_ctx_t sha256_hmac_ctx2 = sha256_hmac_ctx;
+
+    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 m26900_loop2 (KERN_ATTR_TMPS_ESALT (pbkdf2_sha256_tmp_t, vbox_t))
+{
+  const u64 gid = get_global_id (0);
+
+  if ((gid * VECT_SIZE) >= gid_max) 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 m26900_comp (KERN_ATTR_TMPS_ESALT (pbkdf2_sha256_tmp_t, vbox_t))
+{
+  const u64 gid = get_global_id (0);
+
+  if (gid >= gid_max) return;
+
+  const u32 r0 = tmps[gid].out[0];
+  const u32 r1 = tmps[gid].out[1];
+  const u32 r2 = tmps[gid].out[2];
+  const u32 r3 = tmps[gid].out[3];
+
+  #define il_pos 0
+
+  #ifdef KERNEL_STATIC
+  #include COMPARE_M
+  #endif
+}
diff --git a/docs/changes.txt b/docs/changes.txt
index b5df97f59..c7b8b35ca 100644
--- a/docs/changes.txt
+++ b/docs/changes.txt
@@ -1,5 +1,12 @@
 * changes v6.2.3 -> v6.2.x
 
+##
+## Algorithms
+##
+
+- Added hash-mode: VirtualBox (PBKDF2-HMAC-SHA256 & AES-128-XTS)
+- Added hash-mode: VirtualBox (PBKDF2-HMAC-SHA256 & AES-256-XTS)
+
 * changes v6.2.2 -> v6.2.3
 
 ##
diff --git a/docs/readme.txt b/docs/readme.txt
index db616273c..107393cde 100644
--- a/docs/readme.txt
+++ b/docs/readme.txt
@@ -269,6 +269,8 @@ NVIDIA GPUs require "NVIDIA Driver" (440.64 or later) and "CUDA Toolkit" (9.0 or
 - VeraCrypt
 - BestCrypt v3 Volume Encryption
 - FileVault 2
+- VirtualBox (PBKDF2-HMAC-SHA256 & AES-128-XTS)
+- VirtualBox (PBKDF2-HMAC-SHA256 & AES-256-XTS)
 - DiskCryptor
 - BitLocker
 - Android FDE (Samsung DEK)
diff --git a/src/modules/module_26800.c b/src/modules/module_26800.c
new file mode 100644
index 000000000..45f49f421
--- /dev/null
+++ b/src/modules/module_26800.c
@@ -0,0 +1,417 @@
+/**
+ * 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_8;
+static const u32   HASH_CATEGORY  = HASH_CATEGORY_FDE;
+static const char *HASH_NAME      = "VirtualBox (PBKDF2-HMAC-SHA256 & AES-128-XTS)";
+static const u64   KERN_TYPE      = 26800;
+static const u32   OPTI_TYPE      = OPTI_TYPE_ZERO_BYTE
+                                  | OPTI_TYPE_SLOW_HASH_SIMD_LOOP
+                                  | OPTI_TYPE_SLOW_HASH_SIMD_LOOP2;
+static const u64   OPTS_TYPE      = OPTS_TYPE_PT_GENERATE_LE
+                                  | OPTS_TYPE_ST_HEX
+                                  | OPTS_TYPE_INIT2
+                                  | OPTS_TYPE_LOOP2;
+static const u32   SALT_TYPE      = SALT_TYPE_EMBEDDED;
+static const char *ST_PASS        = "hashcat";
+static const char *ST_HASH        = "$vbox$0$260000$fcc37189521686699a43e49514b91f159306be108b98895666583cd15c3e206b$8$288c3957db47e7c3dff2f7932121eb3395d21ab76b9cf3de2dc660310a25e7ad$20000$8847cd90f8acef74bae41155392908780eebb1d16452aa09b2f7b6cd7d8a4096$9f4d615b484f95c73944a98f392a3ce04f93403e8bb6257e6b6c854273d3a08a";
+
+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 vbox
+{
+  u32 salt1_buf[64];
+  u32 salt1_len;
+  u32 aes_key_len;
+  u32 enc_pass_buf[64];
+  u32 salt2_buf[64];
+  u32 salt2_len;
+
+} vbox_t;
+
+typedef struct pbkdf2_sha256_tmp
+{
+  u32  ipad[8];
+  u32  opad[8];
+
+  u32  dgst[64];
+  u32  out[64];
+
+} pbkdf2_sha256_tmp_t;
+
+static const char *SIGNATURE_VBOX = "$vbox$0$";
+
+salt_t *module_benchmark_salt (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
+{
+  salt_t *salt = (salt_t *) hcmalloc (sizeof (salt_t));
+
+  salt->salt_iter  = 260000 - 1;
+  salt->salt_iter2 = 20000 - 1;
+  salt->salt_len   = 32;
+
+  return salt;
+}
+
+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 (vbox_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_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;
+
+  vbox_t *vbox = (vbox_t *) esalt_buf;
+
+  token_t token;
+
+  token.token_cnt = 8;
+
+  token.signatures_cnt    = 1;
+  token.signatures_buf[0] = SIGNATURE_VBOX;
+
+  token.sep[0]     = '$';
+  token.len[0]     = 8;
+  token.attr[0]    = TOKEN_ATTR_FIXED_LENGTH
+                   | TOKEN_ATTR_VERIFY_SIGNATURE;
+
+  token.sep[1]     = '$';
+  token.len_min[1] = 1;
+  token.len_max[1] = 9;
+  token.attr[1]    = TOKEN_ATTR_VERIFY_LENGTH
+                   | TOKEN_ATTR_VERIFY_DIGIT;
+
+  token.sep[2]     = '$';
+  token.len_min[2] = 64;
+  token.len_max[2] = 64;
+  token.attr[2]    = TOKEN_ATTR_VERIFY_LENGTH
+                   | TOKEN_ATTR_VERIFY_HEX;
+
+  token.sep[3]     = '$';
+  token.len_min[3] = 1;
+  token.len_max[3] = 2;
+  token.attr[3]    = TOKEN_ATTR_VERIFY_LENGTH
+                   | TOKEN_ATTR_VERIFY_DIGIT;
+
+  token.sep[4]     = '$';
+  token.len_min[4] = 64;
+  token.len_max[4] = 64;
+  token.attr[4]    = TOKEN_ATTR_VERIFY_LENGTH
+                   | TOKEN_ATTR_VERIFY_HEX;
+
+  token.sep[5]     = '$';
+  token.len_min[5] = 1;
+  token.len_max[5] = 9;
+  token.attr[5]    = TOKEN_ATTR_VERIFY_LENGTH
+                   | TOKEN_ATTR_VERIFY_DIGIT;
+
+  token.sep[6]     = '$';
+  token.len_min[6] = 64;
+  token.len_max[6] = 64;
+  token.attr[6]    = TOKEN_ATTR_VERIFY_LENGTH
+                   | TOKEN_ATTR_VERIFY_HEX;
+
+  token.sep[7]     = '$';
+  token.len_min[7] = 64;
+  token.len_max[7] = 64;
+  token.attr[7]    = TOKEN_ATTR_VERIFY_LENGTH
+                   | TOKEN_ATTR_VERIFY_HEX;
+
+  const int rc_tokenizer = input_tokenizer ((const u8 *) line_buf, line_len, &token);
+
+  if (rc_tokenizer != PARSER_OK) return (rc_tokenizer);
+
+  // iter 1
+
+  const u8 *iter1_pos = token.buf[1];
+
+  u32 iter1 = hc_strtoul ((const char *) iter1_pos, NULL, 10);
+
+  if (iter1 < 1) return (PARSER_SALT_ITERATION);
+
+  salt->salt_iter = iter1 - 1;
+
+  // salt 1
+
+  const u8 *salt1_pos = token.buf[2];
+  const u32 salt1_len = token.len[2];
+
+  u32 *salt1_buf_ptr = (u32 *) vbox->salt1_buf;
+
+  salt1_buf_ptr[0] = hex_to_u32 ((const u8 *) &salt1_pos[ 0]);
+  salt1_buf_ptr[1] = hex_to_u32 ((const u8 *) &salt1_pos[ 8]);
+  salt1_buf_ptr[2] = hex_to_u32 ((const u8 *) &salt1_pos[16]);
+  salt1_buf_ptr[3] = hex_to_u32 ((const u8 *) &salt1_pos[24]);
+  salt1_buf_ptr[4] = hex_to_u32 ((const u8 *) &salt1_pos[32]);
+  salt1_buf_ptr[5] = hex_to_u32 ((const u8 *) &salt1_pos[40]);
+  salt1_buf_ptr[6] = hex_to_u32 ((const u8 *) &salt1_pos[48]);
+  salt1_buf_ptr[7] = hex_to_u32 ((const u8 *) &salt1_pos[56]);
+
+  vbox->salt1_len = salt1_len / 2;
+
+  // aes xts key len (128 or 256)
+
+  const u8 *aes_key_len_pos = token.buf[3];
+
+  u32 aes_key_len = hc_strtoul ((const char *) aes_key_len_pos, NULL, 10);
+
+  if (aes_key_len != 8) return (PARSER_SALT_ITERATION); // todo: change return
+
+  vbox->aes_key_len = aes_key_len;
+
+  // enc pass
+
+  const u8 *enc_pass_pos = token.buf[4];
+  const u32 enc_pass_len = token.len[4];
+
+  if (enc_pass_len != 64) return (PARSER_SALT_ITERATION); // todo: change return
+
+  u32 *enc_pass_buf_ptr = (u32 *) vbox->enc_pass_buf;
+
+  enc_pass_buf_ptr[ 0] = hex_to_u32 ((const u8 *) &enc_pass_pos[ 0]);
+  enc_pass_buf_ptr[ 1] = hex_to_u32 ((const u8 *) &enc_pass_pos[ 8]);
+  enc_pass_buf_ptr[ 2] = hex_to_u32 ((const u8 *) &enc_pass_pos[16]);
+  enc_pass_buf_ptr[ 3] = hex_to_u32 ((const u8 *) &enc_pass_pos[24]);
+  enc_pass_buf_ptr[ 4] = hex_to_u32 ((const u8 *) &enc_pass_pos[32]);
+  enc_pass_buf_ptr[ 5] = hex_to_u32 ((const u8 *) &enc_pass_pos[40]);
+  enc_pass_buf_ptr[ 6] = hex_to_u32 ((const u8 *) &enc_pass_pos[48]);
+  enc_pass_buf_ptr[ 7] = hex_to_u32 ((const u8 *) &enc_pass_pos[56]);
+
+  // iter 2
+
+  const u8 *iter2_pos = token.buf[5];
+
+  u32 iter2 = hc_strtoul ((const char *) iter2_pos, NULL, 10);
+
+  if (iter2 < 1) return (PARSER_SALT_ITERATION);
+
+  salt->salt_iter2 = iter2 - 1;
+
+  // salt 2
+
+  const u8 *salt2_pos = token.buf[6];
+  const u32 salt2_len = token.len[6];
+
+  u32 *salt2_buf_ptr = (u32 *) vbox->salt2_buf;
+
+  salt2_buf_ptr[0] = hex_to_u32 ((const u8 *) &salt2_pos[ 0]);
+  salt2_buf_ptr[1] = hex_to_u32 ((const u8 *) &salt2_pos[ 8]);
+  salt2_buf_ptr[2] = hex_to_u32 ((const u8 *) &salt2_pos[16]);
+  salt2_buf_ptr[3] = hex_to_u32 ((const u8 *) &salt2_pos[24]);
+  salt2_buf_ptr[4] = hex_to_u32 ((const u8 *) &salt2_pos[32]);
+  salt2_buf_ptr[5] = hex_to_u32 ((const u8 *) &salt2_pos[40]);
+  salt2_buf_ptr[6] = hex_to_u32 ((const u8 *) &salt2_pos[48]);
+  salt2_buf_ptr[7] = hex_to_u32 ((const u8 *) &salt2_pos[56]);
+
+  vbox->salt2_len = salt2_len / 2;
+
+  // hash
+
+  const u8 *hash_pos = token.buf[7];
+
+  digest[0] = hex_to_u32 ((const u8 *) &hash_pos[ 0]);
+  digest[1] = hex_to_u32 ((const u8 *) &hash_pos[ 8]);
+  digest[2] = hex_to_u32 ((const u8 *) &hash_pos[16]);
+  digest[3] = hex_to_u32 ((const u8 *) &hash_pos[24]);
+  digest[4] = hex_to_u32 ((const u8 *) &hash_pos[32]);
+  digest[5] = hex_to_u32 ((const u8 *) &hash_pos[40]);
+  digest[6] = hex_to_u32 ((const u8 *) &hash_pos[48]);
+  digest[7] = hex_to_u32 ((const u8 *) &hash_pos[56]);
+
+  digest[0] = byte_swap_32 (digest[0]);
+  digest[1] = byte_swap_32 (digest[1]);
+  digest[2] = byte_swap_32 (digest[2]);
+  digest[3] = byte_swap_32 (digest[3]);
+  digest[4] = byte_swap_32 (digest[4]);
+  digest[5] = byte_swap_32 (digest[5]);
+  digest[6] = byte_swap_32 (digest[6]);
+  digest[7] = byte_swap_32 (digest[7]);
+
+  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)
+{
+  const u32 *digest = (const u32 *) digest_buf;
+
+  const vbox_t *vbox = (const vbox_t *) esalt_buf;
+
+  u8 salt1_buf[64+1] = { 0 };
+
+  u32_to_hex (vbox->salt1_buf[0], salt1_buf +  0);
+  u32_to_hex (vbox->salt1_buf[1], salt1_buf +  8);
+  u32_to_hex (vbox->salt1_buf[2], salt1_buf + 16);
+  u32_to_hex (vbox->salt1_buf[3], salt1_buf + 24);
+  u32_to_hex (vbox->salt1_buf[4], salt1_buf + 32);
+  u32_to_hex (vbox->salt1_buf[5], salt1_buf + 40);
+  u32_to_hex (vbox->salt1_buf[6], salt1_buf + 48);
+  u32_to_hex (vbox->salt1_buf[7], salt1_buf + 56);
+
+  u8 enc_pass_buf[64+1] = { 0 };
+
+  u32_to_hex (vbox->enc_pass_buf[0], enc_pass_buf +  0);
+  u32_to_hex (vbox->enc_pass_buf[1], enc_pass_buf +  8);
+  u32_to_hex (vbox->enc_pass_buf[2], enc_pass_buf + 16);
+  u32_to_hex (vbox->enc_pass_buf[3], enc_pass_buf + 24);
+  u32_to_hex (vbox->enc_pass_buf[4], enc_pass_buf + 32);
+  u32_to_hex (vbox->enc_pass_buf[5], enc_pass_buf + 40);
+  u32_to_hex (vbox->enc_pass_buf[6], enc_pass_buf + 48);
+  u32_to_hex (vbox->enc_pass_buf[7], enc_pass_buf + 56);
+
+  u8 salt2_buf[64+1] = { 0 };
+
+  u32_to_hex (vbox->salt2_buf[0], salt2_buf +  0);
+  u32_to_hex (vbox->salt2_buf[1], salt2_buf +  8);
+  u32_to_hex (vbox->salt2_buf[2], salt2_buf + 16);
+  u32_to_hex (vbox->salt2_buf[3], salt2_buf + 24);
+  u32_to_hex (vbox->salt2_buf[4], salt2_buf + 32);
+  u32_to_hex (vbox->salt2_buf[5], salt2_buf + 40);
+  u32_to_hex (vbox->salt2_buf[6], salt2_buf + 48);
+  u32_to_hex (vbox->salt2_buf[7], salt2_buf + 56);
+
+  u8 hash[64+1] = { 0 };
+
+  u32_to_hex (byte_swap_32 (digest[0]), hash +  0);
+  u32_to_hex (byte_swap_32 (digest[1]), hash +  8);
+  u32_to_hex (byte_swap_32 (digest[2]), hash + 16);
+  u32_to_hex (byte_swap_32 (digest[3]), hash + 24);
+  u32_to_hex (byte_swap_32 (digest[4]), hash + 32);
+  u32_to_hex (byte_swap_32 (digest[5]), hash + 40);
+  u32_to_hex (byte_swap_32 (digest[6]), hash + 48);
+  u32_to_hex (byte_swap_32 (digest[7]), hash + 56);
+
+  const int line_len = snprintf (line_buf, line_size, "%s%u$%s$%u$%s$%u$%s$%s",
+    SIGNATURE_VBOX,
+    salt->salt_iter + 1,
+    salt1_buf,
+    vbox->aes_key_len,
+    enc_pass_buf,
+    salt->salt_iter2 + 1,
+    salt2_buf,
+    hash);
+
+  return line_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_salt           = module_benchmark_salt;
+  module_ctx->module_build_plain_postprocess  = MODULE_DEFAULT;
+  module_ctx->module_deep_comp_kernel         = 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_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_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_DEFAULT;
+  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_DEFAULT;
+  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;
+}
diff --git a/src/modules/module_26900.c b/src/modules/module_26900.c
new file mode 100644
index 000000000..e1a1be090
--- /dev/null
+++ b/src/modules/module_26900.c
@@ -0,0 +1,433 @@
+/**
+ * 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_8;
+static const u32   HASH_CATEGORY  = HASH_CATEGORY_FDE;
+static const char *HASH_NAME      = "VirtualBox (PBKDF2-HMAC-SHA256 & AES-256-XTS)";
+static const u64   KERN_TYPE      = 26900;
+static const u32   OPTI_TYPE      = OPTI_TYPE_ZERO_BYTE
+                                  | OPTI_TYPE_SLOW_HASH_SIMD_LOOP
+                                  | OPTI_TYPE_SLOW_HASH_SIMD_LOOP2;
+static const u64   OPTS_TYPE      = OPTS_TYPE_PT_GENERATE_LE
+                                  | OPTS_TYPE_ST_HEX
+                                  | OPTS_TYPE_INIT2
+                                  | OPTS_TYPE_LOOP2;
+static const u32   SALT_TYPE      = SALT_TYPE_EMBEDDED;
+static const char *ST_PASS        = "hashcat";
+static const char *ST_HASH        = "$vbox$0$160000$54aff69fca91c20b3b15618c6732c4a2f953dd88690cd4cc731569b6b80b5572$16$cfb003087e0c618afa9ad7e44adcd97517f039e0424dedb46db8affbb73cd064019abae19ee5e4f5b05b626e6bc5d7da65c61a5f94d7bcac521c388276e5358b$20000$2e5729055136168eea79cb3f1765450a35ab7540125f2ca2a46924a99fd0524d$b28d1db1cabe99ca989a405c33a27beeb9c0683b8b4b54b0e0d85f712f64d89c";
+
+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 vbox
+{
+  u32 salt1_buf[64];
+  u32 salt1_len;
+  u32 aes_key_len;
+  u32 enc_pass_buf[128];
+  u32 salt2_buf[64];
+  u32 salt2_len;
+
+} vbox_t;
+
+typedef struct pbkdf2_sha256_tmp
+{
+  u32  ipad[8];
+  u32  opad[8];
+
+  u32  dgst[64];
+  u32  out[64];
+
+} pbkdf2_sha256_tmp_t;
+
+static const char *SIGNATURE_VBOX = "$vbox$0$";
+
+salt_t *module_benchmark_salt (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
+{
+  salt_t *salt = (salt_t *) hcmalloc (sizeof (salt_t));
+
+  salt->salt_iter  = 160000 - 1;
+  salt->salt_iter2 = 20000 - 1;
+  salt->salt_len   = 32;
+
+  return salt;
+}
+
+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 (vbox_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_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;
+
+  vbox_t *vbox = (vbox_t *) esalt_buf;
+
+  token_t token;
+
+  token.token_cnt = 8;
+
+  token.signatures_cnt    = 1;
+  token.signatures_buf[0] = SIGNATURE_VBOX;
+
+  token.sep[0]     = '$';
+  token.len[0]     = 8;
+  token.attr[0]    = TOKEN_ATTR_FIXED_LENGTH
+                   | TOKEN_ATTR_VERIFY_SIGNATURE;
+
+  token.sep[1]     = '$';
+  token.len_min[1] = 1;
+  token.len_max[1] = 9;
+  token.attr[1]    = TOKEN_ATTR_VERIFY_LENGTH
+                   | TOKEN_ATTR_VERIFY_DIGIT;
+
+  token.sep[2]     = '$';
+  token.len_min[2] = 64;
+  token.len_max[2] = 64;
+  token.attr[2]    = TOKEN_ATTR_VERIFY_LENGTH
+                   | TOKEN_ATTR_VERIFY_HEX;
+
+  token.sep[3]     = '$';
+  token.len_min[3] = 1;
+  token.len_max[3] = 2;
+  token.attr[3]    = TOKEN_ATTR_VERIFY_LENGTH
+                   | TOKEN_ATTR_VERIFY_DIGIT;
+
+  token.sep[4]     = '$';
+  token.len_min[4] = 128;
+  token.len_max[4] = 128;
+  token.attr[4]    = TOKEN_ATTR_VERIFY_LENGTH
+                   | TOKEN_ATTR_VERIFY_HEX;
+
+  token.sep[5]     = '$';
+  token.len_min[5] = 1;
+  token.len_max[5] = 9;
+  token.attr[5]    = TOKEN_ATTR_VERIFY_LENGTH
+                   | TOKEN_ATTR_VERIFY_DIGIT;
+
+  token.sep[6]     = '$';
+  token.len_min[6] = 64;
+  token.len_max[6] = 64;
+  token.attr[6]    = TOKEN_ATTR_VERIFY_LENGTH
+                   | TOKEN_ATTR_VERIFY_HEX;
+
+  token.sep[7]     = '$';
+  token.len_min[7] = 64;
+  token.len_max[7] = 64;
+  token.attr[7]    = TOKEN_ATTR_VERIFY_LENGTH
+                   | TOKEN_ATTR_VERIFY_HEX;
+
+  const int rc_tokenizer = input_tokenizer ((const u8 *) line_buf, line_len, &token);
+
+  if (rc_tokenizer != PARSER_OK) return (rc_tokenizer);
+
+  // iter 1
+
+  const u8 *iter1_pos = token.buf[1];
+
+  u32 iter1 = hc_strtoul ((const char *) iter1_pos, NULL, 10);
+
+  if (iter1 < 1) return (PARSER_SALT_ITERATION);
+
+  salt->salt_iter = iter1 - 1;
+
+  // salt 1
+
+  const u8 *salt1_pos = token.buf[2];
+  const u32 salt1_len = token.len[2];
+
+  u32 *salt1_buf_ptr = (u32 *) vbox->salt1_buf;
+
+  salt1_buf_ptr[0] = hex_to_u32 ((const u8 *) &salt1_pos[ 0]);
+  salt1_buf_ptr[1] = hex_to_u32 ((const u8 *) &salt1_pos[ 8]);
+  salt1_buf_ptr[2] = hex_to_u32 ((const u8 *) &salt1_pos[16]);
+  salt1_buf_ptr[3] = hex_to_u32 ((const u8 *) &salt1_pos[24]);
+  salt1_buf_ptr[4] = hex_to_u32 ((const u8 *) &salt1_pos[32]);
+  salt1_buf_ptr[5] = hex_to_u32 ((const u8 *) &salt1_pos[40]);
+  salt1_buf_ptr[6] = hex_to_u32 ((const u8 *) &salt1_pos[48]);
+  salt1_buf_ptr[7] = hex_to_u32 ((const u8 *) &salt1_pos[56]);
+
+  vbox->salt1_len = salt1_len / 2;
+
+  // aes xts key len (128 or 256)
+
+  const u8 *aes_key_len_pos = token.buf[3];
+
+  u32 aes_key_len = hc_strtoul ((const char *) aes_key_len_pos, NULL, 10);
+
+  if (aes_key_len != 16) return (PARSER_SALT_ITERATION); // todo: change return
+
+  vbox->aes_key_len = aes_key_len;
+
+  // enc pass
+
+  const u8 *enc_pass_pos = token.buf[4];
+  const u32 enc_pass_len = token.len[4];
+
+  if (enc_pass_len != 128) return (PARSER_SALT_ITERATION); // todo: change return
+
+  u32 *enc_pass_buf_ptr = (u32 *) vbox->enc_pass_buf;
+
+  enc_pass_buf_ptr[ 0] = hex_to_u32 ((const u8 *) &enc_pass_pos[ 0]);
+  enc_pass_buf_ptr[ 1] = hex_to_u32 ((const u8 *) &enc_pass_pos[ 8]);
+  enc_pass_buf_ptr[ 2] = hex_to_u32 ((const u8 *) &enc_pass_pos[16]);
+  enc_pass_buf_ptr[ 3] = hex_to_u32 ((const u8 *) &enc_pass_pos[24]);
+  enc_pass_buf_ptr[ 4] = hex_to_u32 ((const u8 *) &enc_pass_pos[32]);
+  enc_pass_buf_ptr[ 5] = hex_to_u32 ((const u8 *) &enc_pass_pos[40]);
+  enc_pass_buf_ptr[ 6] = hex_to_u32 ((const u8 *) &enc_pass_pos[48]);
+  enc_pass_buf_ptr[ 7] = hex_to_u32 ((const u8 *) &enc_pass_pos[56]);
+  enc_pass_buf_ptr[ 8] = hex_to_u32 ((const u8 *) &enc_pass_pos[64]);
+  enc_pass_buf_ptr[ 9] = hex_to_u32 ((const u8 *) &enc_pass_pos[72]);
+  enc_pass_buf_ptr[10] = hex_to_u32 ((const u8 *) &enc_pass_pos[80]);
+  enc_pass_buf_ptr[11] = hex_to_u32 ((const u8 *) &enc_pass_pos[88]);
+  enc_pass_buf_ptr[12] = hex_to_u32 ((const u8 *) &enc_pass_pos[96]);
+  enc_pass_buf_ptr[13] = hex_to_u32 ((const u8 *) &enc_pass_pos[104]);
+  enc_pass_buf_ptr[14] = hex_to_u32 ((const u8 *) &enc_pass_pos[112]);
+  enc_pass_buf_ptr[15] = hex_to_u32 ((const u8 *) &enc_pass_pos[120]);
+
+  // iter 2
+
+  const u8 *iter2_pos = token.buf[5];
+
+  u32 iter2 = hc_strtoul ((const char *) iter2_pos, NULL, 10);
+
+  if (iter2 < 1) return (PARSER_SALT_ITERATION);
+
+  salt->salt_iter2 = iter2 - 1;
+
+  // salt 2
+
+  const u8 *salt2_pos = token.buf[6];
+  const u32 salt2_len = token.len[6];
+
+  u32 *salt2_buf_ptr = (u32 *) vbox->salt2_buf;
+
+  salt2_buf_ptr[0] = hex_to_u32 ((const u8 *) &salt2_pos[ 0]);
+  salt2_buf_ptr[1] = hex_to_u32 ((const u8 *) &salt2_pos[ 8]);
+  salt2_buf_ptr[2] = hex_to_u32 ((const u8 *) &salt2_pos[16]);
+  salt2_buf_ptr[3] = hex_to_u32 ((const u8 *) &salt2_pos[24]);
+  salt2_buf_ptr[4] = hex_to_u32 ((const u8 *) &salt2_pos[32]);
+  salt2_buf_ptr[5] = hex_to_u32 ((const u8 *) &salt2_pos[40]);
+  salt2_buf_ptr[6] = hex_to_u32 ((const u8 *) &salt2_pos[48]);
+  salt2_buf_ptr[7] = hex_to_u32 ((const u8 *) &salt2_pos[56]);
+
+  vbox->salt2_len = salt2_len / 2;
+
+  // hash
+
+  const u8 *hash_pos = token.buf[7];
+
+  digest[0] = hex_to_u32 ((const u8 *) &hash_pos[ 0]);
+  digest[1] = hex_to_u32 ((const u8 *) &hash_pos[ 8]);
+  digest[2] = hex_to_u32 ((const u8 *) &hash_pos[16]);
+  digest[3] = hex_to_u32 ((const u8 *) &hash_pos[24]);
+  digest[4] = hex_to_u32 ((const u8 *) &hash_pos[32]);
+  digest[5] = hex_to_u32 ((const u8 *) &hash_pos[40]);
+  digest[6] = hex_to_u32 ((const u8 *) &hash_pos[48]);
+  digest[7] = hex_to_u32 ((const u8 *) &hash_pos[56]);
+
+  digest[0] = byte_swap_32 (digest[0]);
+  digest[1] = byte_swap_32 (digest[1]);
+  digest[2] = byte_swap_32 (digest[2]);
+  digest[3] = byte_swap_32 (digest[3]);
+  digest[4] = byte_swap_32 (digest[4]);
+  digest[5] = byte_swap_32 (digest[5]);
+  digest[6] = byte_swap_32 (digest[6]);
+  digest[7] = byte_swap_32 (digest[7]);
+
+  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)
+{
+  const u32 *digest = (const u32 *) digest_buf;
+
+  const vbox_t *vbox = (const vbox_t *) esalt_buf;
+
+  u8 salt1_buf[64+1] = { 0 };
+
+  u32_to_hex (vbox->salt1_buf[0], salt1_buf +  0);
+  u32_to_hex (vbox->salt1_buf[1], salt1_buf +  8);
+  u32_to_hex (vbox->salt1_buf[2], salt1_buf + 16);
+  u32_to_hex (vbox->salt1_buf[3], salt1_buf + 24);
+  u32_to_hex (vbox->salt1_buf[4], salt1_buf + 32);
+  u32_to_hex (vbox->salt1_buf[5], salt1_buf + 40);
+  u32_to_hex (vbox->salt1_buf[6], salt1_buf + 48);
+  u32_to_hex (vbox->salt1_buf[7], salt1_buf + 56);
+
+  u8 enc_pass_buf[128+1] = { 0 };
+
+  u32_to_hex (vbox->enc_pass_buf[ 0], enc_pass_buf +   0);
+  u32_to_hex (vbox->enc_pass_buf[ 1], enc_pass_buf +   8);
+  u32_to_hex (vbox->enc_pass_buf[ 2], enc_pass_buf +  16);
+  u32_to_hex (vbox->enc_pass_buf[ 3], enc_pass_buf +  24);
+  u32_to_hex (vbox->enc_pass_buf[ 4], enc_pass_buf +  32);
+  u32_to_hex (vbox->enc_pass_buf[ 5], enc_pass_buf +  40);
+  u32_to_hex (vbox->enc_pass_buf[ 6], enc_pass_buf +  48);
+  u32_to_hex (vbox->enc_pass_buf[ 7], enc_pass_buf +  56);
+  u32_to_hex (vbox->enc_pass_buf[ 8], enc_pass_buf +  64);
+  u32_to_hex (vbox->enc_pass_buf[ 9], enc_pass_buf +  72);
+  u32_to_hex (vbox->enc_pass_buf[10], enc_pass_buf +  80);
+  u32_to_hex (vbox->enc_pass_buf[11], enc_pass_buf +  88);
+  u32_to_hex (vbox->enc_pass_buf[12], enc_pass_buf +  96);
+  u32_to_hex (vbox->enc_pass_buf[13], enc_pass_buf + 104);
+  u32_to_hex (vbox->enc_pass_buf[14], enc_pass_buf + 112);
+  u32_to_hex (vbox->enc_pass_buf[15], enc_pass_buf + 120);
+
+  u8 salt2_buf[64+1] = { 0 };
+
+  u32_to_hex (vbox->salt2_buf[0], salt2_buf +  0);
+  u32_to_hex (vbox->salt2_buf[1], salt2_buf +  8);
+  u32_to_hex (vbox->salt2_buf[2], salt2_buf + 16);
+  u32_to_hex (vbox->salt2_buf[3], salt2_buf + 24);
+  u32_to_hex (vbox->salt2_buf[4], salt2_buf + 32);
+  u32_to_hex (vbox->salt2_buf[5], salt2_buf + 40);
+  u32_to_hex (vbox->salt2_buf[6], salt2_buf + 48);
+  u32_to_hex (vbox->salt2_buf[7], salt2_buf + 56);
+
+  u8 hash[64+1] = { 0 };
+
+  u32_to_hex (byte_swap_32 (digest[0]), hash +  0);
+  u32_to_hex (byte_swap_32 (digest[1]), hash +  8);
+  u32_to_hex (byte_swap_32 (digest[2]), hash + 16);
+  u32_to_hex (byte_swap_32 (digest[3]), hash + 24);
+  u32_to_hex (byte_swap_32 (digest[4]), hash + 32);
+  u32_to_hex (byte_swap_32 (digest[5]), hash + 40);
+  u32_to_hex (byte_swap_32 (digest[6]), hash + 48);
+  u32_to_hex (byte_swap_32 (digest[7]), hash + 56);
+
+  const int line_len = snprintf (line_buf, line_size, "%s%u$%s$%u$%s$%u$%s$%s",
+    SIGNATURE_VBOX,
+    salt->salt_iter + 1,
+    salt1_buf,
+    vbox->aes_key_len,
+    enc_pass_buf,
+    salt->salt_iter2 + 1,
+    salt2_buf,
+    hash);
+
+  return line_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_salt           = module_benchmark_salt;
+  module_ctx->module_build_plain_postprocess  = MODULE_DEFAULT;
+  module_ctx->module_deep_comp_kernel         = 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_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_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_DEFAULT;
+  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_DEFAULT;
+  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;
+}
diff --git a/tools/virtualbox2hashcat.py b/tools/virtualbox2hashcat.py
new file mode 100644
index 000000000..4bffbd113
--- /dev/null
+++ b/tools/virtualbox2hashcat.py
@@ -0,0 +1,80 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# Based on "pyvboxdie-cracker" (https://github.com/axcheron/pyvboxdie-cracker) (MIT license)
+
+# Author: Gabriele 'matrix' Gristina
+# Version: 1.0
+# Date: Sat 17 Jul 2021 05:36:37 PM CEST
+# License: MIT
+
+import argparse
+import xml.dom.minidom
+import base64
+from struct import *
+from binascii import hexlify
+
+keystore_struct = {
+    'FileHeader': None,
+    'Version':  None,
+    'EVP_Algorithm': None,
+    'PBKDF2_Hash': None,
+    'Key_Length': None,
+    'Final_Hash': None,
+    'KL2_PBKDF2': None,
+    'Salt2_PBKDF2' : None,
+    'Iteration2_PBKDF2': None,
+    'Salt1_PBKDF2': None,
+    'Iteration1_PBKDF2': None,
+    'EVP_Length': None,
+    'Enc_Password': None
+}
+
+def parse_keystore(file):
+    keystore = None
+
+    try:
+        fh_vbox = xml.dom.minidom.parse(file)
+    except IOError:
+        print('[-] Cannot open:', file)
+        exit(1)
+
+    hds = fh_vbox.getElementsByTagName("HardDisk")
+
+    # TODO - Clean up & exceptions
+    if len(hds) == 0:
+        print('[-] No hard drive found')
+        exit(1)
+    else:
+        for disk in hds:
+            is_enc = disk.getElementsByTagName("Property")
+            if is_enc:
+                data = disk.getElementsByTagName("Property")[1]
+                keystore = data.getAttribute("value")
+
+    raw_ks = base64.decodebytes(keystore.encode())
+    unpkt_ks = unpack('<4sxb32s32sI32sI32sI32sII64s', raw_ks)
+
+    idx = 0
+    ks = keystore_struct
+    for key in ks.keys():
+        ks[key] = unpkt_ks[idx]
+        idx += 1
+
+    return ks
+
+def pyvboxdie(vbox):
+    keystore = parse_keystore(vbox)
+    print("$vbox$0$" + str(keystore['Iteration1_PBKDF2']) + "$" + hexlify(keystore['Salt1_PBKDF2']).decode() + "$" + str(int(keystore['Key_Length'] / 4)) + "$" + hexlify(keystore['Enc_Password'][0:keystore['Key_Length']]).decode() + "$" + str(keystore['Iteration2_PBKDF2']) + "$" + hexlify(keystore['Salt2_PBKDF2']).decode() + "$" + hexlify(keystore['Final_Hash'].rstrip(b'\x00')).decode())
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(description="virtualbox2hashcat extraction tool")
+    parser.add_argument('--vbox', required=True, help='set virtualbox vbox file from path', type=str)
+
+    args = parser.parse_args()
+
+    if args.vbox:
+        pyvboxdie(args.vbox)
+    else:
+        parser.print_help()
+        exit(1)