diff --git a/OpenCL/m22600-pure.cl b/OpenCL/m22600-pure.cl
new file mode 100644
index 000000000..46bedd975
--- /dev/null
+++ b/OpenCL/m22600-pure.cl
@@ -0,0 +1,529 @@
+/**
+ * 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_sha1.cl"
+#include "inc_cipher_aes.cl"
+#endif
+
+typedef struct telegram_tmp
+{
+  u32 ipad[5];
+  u32 opad[5];
+
+  u32 dgst[35];
+  u32 out [35];
+
+} telegram_tmp_t;
+
+typedef struct telegram
+{
+  u32 data[72];
+
+} telegram_t;
+
+DECLSPEC void hmac_sha1_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];
+
+  sha1_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] = 0x80000000;
+  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] = (64 + 20) * 8;
+
+  digest[0] = opad[0];
+  digest[1] = opad[1];
+  digest[2] = opad[2];
+  digest[3] = opad[3];
+  digest[4] = opad[4];
+
+  sha1_transform_vector (w0, w1, w2, w3, digest);
+}
+
+DECLSPEC void sha1_run (u32 *w, u32 *res)
+{
+  u32 w0[4];
+  u32 w1[4];
+  u32 w2[4];
+  u32 w3[4];
+
+  w0[0] = w[ 0];
+  w0[1] = w[ 1];
+  w0[2] = w[ 2];
+  w0[3] = w[ 3];
+  w1[0] = w[ 4];
+  w1[1] = w[ 5];
+  w1[2] = w[ 6];
+  w1[3] = w[ 7];
+  w2[0] = w[ 8];
+  w2[1] = w[ 9];
+  w2[2] = w[10];
+  w2[3] = w[11];
+  w3[0] = 0x80000000;
+  w3[1] = 0;
+  w3[2] = 0;
+  w3[3] = 48 * 8;
+
+  u32 digest[5];
+
+  digest[0] = SHA1M_A;
+  digest[1] = SHA1M_B;
+  digest[2] = SHA1M_C;
+  digest[3] = SHA1M_D;
+  digest[4] = SHA1M_E;
+
+  sha1_transform (w0, w1, w2, w3, digest);
+
+  res[0] = digest[0];
+  res[1] = digest[1];
+  res[2] = digest[2];
+  res[3] = digest[3];
+  res[4] = digest[4];
+}
+
+KERNEL_FQ void m22600_init (KERN_ATTR_TMPS_ESALT (telegram_tmp_t, telegram_t))
+{
+  /**
+   * base
+   */
+
+  const u64 gid = get_global_id (0);
+
+  if (gid >= gid_max) return;
+
+  sha1_hmac_ctx_t sha1_hmac_ctx;
+
+  sha1_hmac_init_global_swap (&sha1_hmac_ctx, pws[gid].i, pws[gid].pw_len);
+
+  tmps[gid].ipad[0] = sha1_hmac_ctx.ipad.h[0];
+  tmps[gid].ipad[1] = sha1_hmac_ctx.ipad.h[1];
+  tmps[gid].ipad[2] = sha1_hmac_ctx.ipad.h[2];
+  tmps[gid].ipad[3] = sha1_hmac_ctx.ipad.h[3];
+  tmps[gid].ipad[4] = sha1_hmac_ctx.ipad.h[4];
+
+  tmps[gid].opad[0] = sha1_hmac_ctx.opad.h[0];
+  tmps[gid].opad[1] = sha1_hmac_ctx.opad.h[1];
+  tmps[gid].opad[2] = sha1_hmac_ctx.opad.h[2];
+  tmps[gid].opad[3] = sha1_hmac_ctx.opad.h[3];
+  tmps[gid].opad[4] = sha1_hmac_ctx.opad.h[4];
+
+  // salt length is always 32 bytes:
+
+  sha1_hmac_update_global_swap (&sha1_hmac_ctx, salt_bufs[salt_pos].salt_buf, salt_bufs[salt_pos].salt_len);
+
+  for (u32 i = 0, j = 1; i < 34; i += 5, j += 1)
+  {
+    sha1_hmac_ctx_t sha1_hmac_ctx2 = sha1_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;
+
+    sha1_hmac_update_64 (&sha1_hmac_ctx2, w0, w1, w2, w3, 4);
+
+    sha1_hmac_final (&sha1_hmac_ctx2);
+
+    tmps[gid].dgst[i + 0] = sha1_hmac_ctx2.opad.h[0];
+    tmps[gid].dgst[i + 1] = sha1_hmac_ctx2.opad.h[1];
+    tmps[gid].dgst[i + 2] = sha1_hmac_ctx2.opad.h[2];
+    tmps[gid].dgst[i + 3] = sha1_hmac_ctx2.opad.h[3];
+    tmps[gid].dgst[i + 4] = sha1_hmac_ctx2.opad.h[4];
+
+    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];
+  }
+}
+
+KERNEL_FQ void m22600_loop (KERN_ATTR_TMPS_ESALT (telegram_tmp_t, telegram_t))
+{
+  const u64 gid = get_global_id (0);
+
+  if ((gid * VECT_SIZE) >= gid_max) return;
+
+  u32x ipad[5];
+  u32x opad[5];
+
+  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);
+
+  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);
+
+  for (u32 i = 0; i < 34; i += 5)
+  {
+    u32x dgst[5];
+    u32x out[5];
+
+    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);
+
+    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);
+
+    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] = 0x80000000;
+      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] = (64 + 20) * 8;
+
+      hmac_sha1_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];
+    }
+
+    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, 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]);
+  }
+}
+
+KERNEL_FQ void m22600_comp (KERN_ATTR_TMPS_ESALT (telegram_tmp_t, telegram_t))
+{
+  /**
+   * base
+   */
+
+  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;
+
+  u32 message_key[4];
+
+  message_key[0] = esalt_bufs[digests_offset].data[0];
+  message_key[1] = esalt_bufs[digests_offset].data[1];
+  message_key[2] = esalt_bufs[digests_offset].data[2];
+  message_key[3] = esalt_bufs[digests_offset].data[3];
+
+  u32 data_a[12];
+  u32 data_b[12];
+  u32 data_c[12];
+  u32 data_d[12];
+
+  data_a[ 0] = message_key[0];
+  data_a[ 1] = message_key[1];
+  data_a[ 2] = message_key[2];
+  data_a[ 3] = message_key[3];
+
+  data_b[ 4] = message_key[0];
+  data_b[ 5] = message_key[1];
+  data_b[ 6] = message_key[2];
+  data_b[ 7] = message_key[3];
+
+  data_c[ 8] = message_key[0];
+  data_c[ 9] = message_key[1];
+  data_c[10] = message_key[2];
+  data_c[11] = message_key[3];
+
+  data_d[ 0] = message_key[0];
+  data_d[ 1] = message_key[1];
+  data_d[ 2] = message_key[2];
+  data_d[ 3] = message_key[3];
+
+  data_a[ 4] = tmps[gid].out[ 2]; // not a bug: out[0], out[1] are ignored
+  data_a[ 5] = tmps[gid].out[ 3];
+  data_a[ 6] = tmps[gid].out[ 4];
+  data_a[ 7] = tmps[gid].out[ 5];
+  data_a[ 8] = tmps[gid].out[ 6];
+  data_a[ 9] = tmps[gid].out[ 7];
+  data_a[10] = tmps[gid].out[ 8];
+  data_a[11] = tmps[gid].out[ 9];
+
+  data_b[ 0] = tmps[gid].out[10];
+  data_b[ 1] = tmps[gid].out[11];
+  data_b[ 2] = tmps[gid].out[12];
+  data_b[ 3] = tmps[gid].out[13];
+
+  data_b[ 8] = tmps[gid].out[14];
+  data_b[ 9] = tmps[gid].out[15];
+  data_b[10] = tmps[gid].out[16];
+  data_b[11] = tmps[gid].out[17];
+
+  data_c[ 0] = tmps[gid].out[18];
+  data_c[ 1] = tmps[gid].out[19];
+  data_c[ 2] = tmps[gid].out[20];
+  data_c[ 3] = tmps[gid].out[21];
+  data_c[ 4] = tmps[gid].out[22];
+  data_c[ 5] = tmps[gid].out[23];
+  data_c[ 6] = tmps[gid].out[24];
+  data_c[ 7] = tmps[gid].out[25];
+
+  data_d[ 4] = tmps[gid].out[26];
+  data_d[ 5] = tmps[gid].out[27];
+  data_d[ 6] = tmps[gid].out[28];
+  data_d[ 7] = tmps[gid].out[29];
+  data_d[ 8] = tmps[gid].out[30];
+  data_d[ 9] = tmps[gid].out[31];
+  data_d[10] = tmps[gid].out[32];
+  data_d[11] = tmps[gid].out[33];
+
+  // hash (SHA1 ()) the data_*:
+
+  u32 a[5];
+
+  sha1_run (data_a, a);
+
+  u32 b[5];
+
+  sha1_run (data_b, b);
+
+  u32 c[5];
+
+  sha1_run (data_c, c);
+
+  u32 d[5];
+
+  sha1_run (data_d, d);
+
+  // set up AES key and AES IV:
+
+  u32 key[8];
+
+  key[0] = a[0];
+  key[1] = a[1];
+  key[2] = b[2];
+  key[3] = b[3];
+  key[4] = b[4];
+  key[5] = c[1];
+  key[6] = c[2];
+  key[7] = c[3];
+
+  u32 iv[8];
+
+  iv[0] = a[2];
+  iv[1] = a[3];
+  iv[2] = a[4];
+  iv[3] = b[0];
+  iv[4] = b[1];
+  iv[5] = c[4];
+  iv[6] = d[0];
+  iv[7] = d[1];
+
+  // decrypt with AES-IGE:
+
+  #define KEYLEN 60
+
+  u32 ks[KEYLEN];
+
+  AES256_set_decrypt_key (ks, key, s_te0, s_te1, s_te2, s_te3, s_td0, s_td1, s_td2, s_td3);
+
+  u32 x_prev[4];
+
+  x_prev[0] = iv[0];
+  x_prev[1] = iv[1];
+  x_prev[2] = iv[2];
+  x_prev[3] = iv[3];
+
+  u32 y_prev[4];
+
+  y_prev[0] = iv[4];
+  y_prev[1] = iv[5];
+  y_prev[2] = iv[6];
+  y_prev[3] = iv[7];
+
+  u32 out[80] = { 0 }; // 64-byte aligned for SHA1
+
+  for (int i = 0; i < 68; i += 4)
+  {
+    u32 x[4];
+
+    x[0] = esalt_bufs[digests_offset].data[4 + i];
+    x[1] = esalt_bufs[digests_offset].data[5 + i];
+    x[2] = esalt_bufs[digests_offset].data[6 + i];
+    x[3] = esalt_bufs[digests_offset].data[7 + i];
+
+    u32 y[4];
+
+    y[0] = x[0] ^ y_prev[0];
+    y[1] = x[1] ^ y_prev[1];
+    y[2] = x[2] ^ y_prev[2];
+    y[3] = x[3] ^ y_prev[3];
+
+    u32 dec[4];
+
+    AES256_decrypt (ks, y, dec, s_td0, s_td1, s_td2, s_td3, s_td4);
+
+    y_prev[0] = dec[0] ^ x_prev[0];
+    y_prev[1] = dec[1] ^ x_prev[1];
+    y_prev[2] = dec[2] ^ x_prev[2];
+    y_prev[3] = dec[3] ^ x_prev[3];
+
+    out[i + 0] = y_prev[0];
+    out[i + 1] = y_prev[1];
+    out[i + 2] = y_prev[2];
+    out[i + 3] = y_prev[3];
+
+    x_prev[0] = x[0];
+    x_prev[1] = x[1];
+    x_prev[2] = x[2];
+    x_prev[3] = x[3];
+  }
+
+  // final SHA1 checksum of the decrypted data (out):
+
+  sha1_ctx_t ctx;
+
+  sha1_init   (&ctx);
+  sha1_update (&ctx, out, 272);
+  sha1_final  (&ctx);
+
+  const u32 r0 = ctx.h[0];
+  const u32 r1 = ctx.h[1];
+  const u32 r2 = ctx.h[2];
+  const u32 r3 = ctx.h[3];
+
+  // verify:
+
+  if (r0 == message_key[0] &&
+      r1 == message_key[1] &&
+      r2 == message_key[2] &&
+      r3 == message_key[3])
+  {
+    if (atomic_inc (&hashes_shown[digests_offset]) == 0)
+    {
+      mark_hash (plains_buf, d_return_buf, salt_pos, digests_cnt, 0, digests_offset + 0, gid, 0, 0, 0);
+    }
+  }
+}
diff --git a/docs/changes.txt b/docs/changes.txt
index 74457c42f..864d1cc47 100644
--- a/docs/changes.txt
+++ b/docs/changes.txt
@@ -64,7 +64,8 @@
 - Added hash-mode: sha256(sha256_bin($pass))
 - Added hash-mode: sha256(sha256($pass).$salt)
 - Added hash-mode: SolarWinds Orion
-- Added hash-mode: Telegram client app passcode (SHA256)
+- Added hash-mode: Telegram Desktop App Passcode (PBKDF2-HMAC-SHA1)
+- Added hash-mode: Telegram Mobile App Passcode (SHA256)
 - Added hash-mode: Web2py pbkdf2-sha512
 - Added hash-mode: WPA-PBKDF2-PMKID+EAPOL
 - Added hash-mode: WPA-PMK-PMKID+EAPOL
diff --git a/docs/readme.txt b/docs/readme.txt
index e550b3c81..baa1883c3 100644
--- a/docs/readme.txt
+++ b/docs/readme.txt
@@ -159,7 +159,8 @@ NVIDIA GPUs require "NVIDIA Driver" (440.64 or later) and "CUDA Toolkit" (9.0 or
 - NetNTLMv1 / NetNTLMv1+ESS
 - NetNTLMv2
 - Skype
-- Telegram client app passcode (SHA256)
+- Telegram Desktop App Passcode (PBKDF2-HMAC-SHA1)
+- Telegram Mobile App Passcode (SHA256)
 - PostgreSQL CRAM (MD5)
 - MySQL CRAM (SHA1)
 - RACF
diff --git a/src/modules/module_22301.c b/src/modules/module_22301.c
index cda57a6e7..b0500f6f7 100644
--- a/src/modules/module_22301.c
+++ b/src/modules/module_22301.c
@@ -16,8 +16,8 @@ static const u32   DGST_POS1      = 7;
 static const u32   DGST_POS2      = 2;
 static const u32   DGST_POS3      = 6;
 static const u32   DGST_SIZE      = DGST_SIZE_4_8;
-static const u32   HASH_CATEGORY  = HASH_CATEGORY_RAW_HASH_SALTED;
-static const char *HASH_NAME      = "Telegram client app passcode (SHA256)";
+static const u32   HASH_CATEGORY  = HASH_CATEGORY_NETWORK_PROTOCOL;
+static const char *HASH_NAME      = "Telegram Mobile App Passcode (SHA256)";
 static const u64   KERN_TYPE      = 22300;
 static const u32   OPTI_TYPE      = OPTI_TYPE_ZERO_BYTE
                                   | OPTI_TYPE_PRECOMPUTE_INIT
diff --git a/src/modules/module_22600.c b/src/modules/module_22600.c
new file mode 100644
index 000000000..0780812fc
--- /dev/null
+++ b/src/modules/module_22600.c
@@ -0,0 +1,296 @@
+/**
+ * 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"
+
+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_NETWORK_PROTOCOL;
+static const char *HASH_NAME      = "Telegram Desktop App Passcode (PBKDF2-HMAC-SHA1)";
+static const u64   KERN_TYPE      = 22600;
+static const u32   OPTI_TYPE      = OPTI_TYPE_ZERO_BYTE
+                                  | OPTI_TYPE_SLOW_HASH_SIMD_LOOP;
+static const u64   OPTS_TYPE      = OPTS_TYPE_PT_GENERATE_LE;
+static const u32   SALT_TYPE      = SALT_TYPE_EMBEDDED;
+static const char *ST_PASS        = "hashcat";
+static const char *ST_HASH        = "$telegram$1*4000*913a7e42143b4eed0fb532dacfa04e3a0eae036ae66dd02de76323046c575531*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";
+
+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 telegram_tmp
+{
+  u32 ipad[5];
+  u32 opad[5];
+
+  u32 dgst[35];
+  u32 out [35];
+
+} telegram_tmp_t;
+
+typedef struct telegram
+{
+  u32 data[72];
+
+} telegram_t;
+
+static const char *SIGNATURE_TELEGRAM = "$telegram$";
+static const int   DATA_LEN_TELEGRAM  = 288;
+static const int   SALT_LEN_TELEGRAM  =  32;
+
+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 (telegram_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 (telegram_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;
+
+  telegram_t *telegram = (telegram_t *) esalt_buf;
+
+  token_t token;
+
+  token.token_cnt  = 5;
+
+  token.signatures_cnt    = 1;
+  token.signatures_buf[0] = SIGNATURE_TELEGRAM;
+
+  token.len[0]     = 10;
+  token.attr[0]    = TOKEN_ATTR_FIXED_LENGTH
+                   | TOKEN_ATTR_VERIFY_SIGNATURE;
+
+  token.sep[1]     = '*';
+  token.len_min[1] = 1;
+  token.len_max[1] = 1;
+  token.attr[1]    = TOKEN_ATTR_VERIFY_LENGTH
+                   | TOKEN_ATTR_VERIFY_DIGIT;
+
+  token.sep[2]     = '*';
+  token.len_min[2] = 1;
+  token.len_max[2] = 5;
+  token.attr[2]    = TOKEN_ATTR_VERIFY_LENGTH
+                   | TOKEN_ATTR_VERIFY_DIGIT;
+
+  token.sep[3]     = '*';
+  token.len_min[3] = 64;
+  token.len_max[3] = 64;
+  token.attr[3]    = TOKEN_ATTR_VERIFY_LENGTH
+                   | TOKEN_ATTR_VERIFY_HEX;
+
+  token.sep[4]     = '*';
+  token.len_min[4] = DATA_LEN_TELEGRAM * 2;
+  token.len_max[4] = DATA_LEN_TELEGRAM * 2;
+  token.attr[4]    = 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);
+
+  u8 version = token.buf[1][0];
+
+  if (version != '1') return (PARSER_SALT_VALUE);
+
+  // iter
+
+  const u8 *iter_pos = token.buf[2];
+
+  salt->salt_iter = hc_strtoul ((const char *) iter_pos, NULL, 10);
+
+  if (salt->salt_iter < 2) return (PARSER_SALT_ITERATION);
+
+  salt->salt_iter--;
+
+  // salt
+
+  const u8 *salt_pos = token.buf[3];
+
+  salt->salt_buf[0] = hex_to_u32 (salt_pos +  0);
+  salt->salt_buf[1] = hex_to_u32 (salt_pos +  8);
+  salt->salt_buf[2] = hex_to_u32 (salt_pos + 16);
+  salt->salt_buf[3] = hex_to_u32 (salt_pos + 24);
+  salt->salt_buf[4] = hex_to_u32 (salt_pos + 32);
+  salt->salt_buf[5] = hex_to_u32 (salt_pos + 40);
+  salt->salt_buf[6] = hex_to_u32 (salt_pos + 48);
+  salt->salt_buf[7] = hex_to_u32 (salt_pos + 56);
+
+  salt->salt_len = SALT_LEN_TELEGRAM;
+
+  // digest
+
+  const u8 *message_pos = token.buf[4];
+
+  digest[0] = hex_to_u32 (message_pos +  0);
+  digest[1] = hex_to_u32 (message_pos +  8);
+  digest[2] = hex_to_u32 (message_pos + 16);
+  digest[3] = hex_to_u32 (message_pos + 24);
+
+  // data
+
+  for (int i = 0, j = 0; i < DATA_LEN_TELEGRAM / 4; i += 1, j += 8)
+  {
+    telegram->data[i] = hex_to_u32 (message_pos + j);
+
+    telegram->data[i] = byte_swap_32 (telegram->data[i]);
+  }
+
+  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 telegram_t *telegram = (const telegram_t *) esalt_buf;
+
+  // salt
+
+  #define SALT_BUF_LEN (SALT_LEN_TELEGRAM * 2 + 1)
+
+  char salt_buf[SALT_BUF_LEN];
+
+  memset (salt_buf, 0, SALT_BUF_LEN);
+
+  for (int i = 0, j = 0; i < SALT_LEN_TELEGRAM / 4; i += 1, j += 8)
+  {
+    snprintf (salt_buf + j, SALT_BUF_LEN - j, "%08x", byte_swap_32 (salt->salt_buf[i]));
+  }
+
+  // message
+
+  #define DATA_BUF_LEN (DATA_LEN_TELEGRAM * 2 + 1)
+
+  char message[DATA_BUF_LEN];
+
+  memset (message, 0, DATA_BUF_LEN);
+
+  for (int i = 0, j = 0; i < DATA_LEN_TELEGRAM / 4; i += 1, j += 8)
+  {
+    snprintf (message + j, DATA_BUF_LEN - j, "%08x", telegram->data[i]);
+  }
+
+  // output
+
+  const int line_len = snprintf (line_buf, line_size, "%s%i*%i*%s*%s",
+    SIGNATURE_TELEGRAM,
+    1,
+    salt->salt_iter + 1,
+    salt_buf,
+    message);
+
+  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_DEFAULT;
+  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_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/test_modules/m22600.pm b/tools/test_modules/m22600.pm
new file mode 100644
index 000000000..d02056065
--- /dev/null
+++ b/tools/test_modules/m22600.pm
@@ -0,0 +1,245 @@
+#!/usr/bin/env perl
+
+##
+## Author......: See docs/credits.txt
+## License.....: MIT
+##
+
+use strict;
+use warnings;
+
+use Crypt::PBKDF2;
+use Digest::SHA1 qw (sha1);
+use Crypt::Mode::ECB;
+
+sub module_constraints { [[0, 256], [32, 32], [-1, -1], [-1, -1], [-1, -1]] }
+
+my $AES256_IGE_BLOCK_SIZE = 16;
+
+#
+# Helper functions:
+#
+
+sub exclusive_or
+{
+  my $in1 = shift;
+  my $in2 = shift;
+
+  # MIN () function (should always be 16 for us):
+  # my $len = (length ($in1) <= length ($in2)) ? length ($in2) : length ($in1);
+
+  # padding if input not multiple of block size:
+  # $in1 .= "\x00" x ($AES256_IGE_BLOCK_SIZE - $len);
+  # $in2 .= "\x00" x ($AES256_IGE_BLOCK_SIZE - $len);
+
+  my $out = "";
+
+  for (my $i = 0; $i < $AES256_IGE_BLOCK_SIZE; $i++) # $i < $len
+  {
+    $out .= chr (ord (substr ($in1, $i, 1)) ^ ord (substr ($in2, $i, 1)));
+  }
+
+  return $out;
+}
+
+sub aes256_encrypt_ige
+{
+  my $key = shift;
+  my $iv  = shift;
+  my $in  = shift;
+
+  my $x_prev = substr ($iv, $AES256_IGE_BLOCK_SIZE, $AES256_IGE_BLOCK_SIZE);
+  my $y_prev = substr ($iv,                      0, $AES256_IGE_BLOCK_SIZE);
+
+  my $m = Crypt::Mode::ECB->new ('AES', 0);
+
+  my $out = "";
+
+  for (my $i = 0; $i < length ($in); $i += $AES256_IGE_BLOCK_SIZE)
+  {
+    my $x = substr ($in, $i, $AES256_IGE_BLOCK_SIZE);
+
+    my $y_xor = exclusive_or ($x, $y_prev);
+
+    my $y_final = $m->encrypt ($y_xor, $key);
+    # $y_final .= "\x00" x ($AES256_IGE_BLOCK_SIZE - length ($y_final));
+
+    my $y = exclusive_or ($y_final, $x_prev);
+
+    $x_prev = $x;
+    $y_prev = $y;
+
+    $out .= $y;
+  }
+
+  return $out;
+}
+
+sub aes256_decrypt_ige
+{
+  my $key = shift;
+  my $iv  = shift;
+  my $in  = shift;
+
+  my $x_prev = substr ($iv,                      0, $AES256_IGE_BLOCK_SIZE);
+  my $y_prev = substr ($iv, $AES256_IGE_BLOCK_SIZE, $AES256_IGE_BLOCK_SIZE);
+
+  my $m = Crypt::Mode::ECB->new ('AES', 0);
+
+  my $out = "";
+
+  for (my $i = 0; $i < length ($in); $i += $AES256_IGE_BLOCK_SIZE)
+  {
+    my $x = substr ($in, $i, $AES256_IGE_BLOCK_SIZE);
+
+    my $y_xor = exclusive_or ($x, $y_prev);
+
+    my $y_final = $m->decrypt ($y_xor, $key);
+    # $y_final .= "\x00" x ($AES256_IGE_BLOCK_SIZE - length ($y_final));
+
+    my $y = exclusive_or ($y_final, $x_prev);
+
+    $x_prev = $x;
+    $y_prev = $y;
+
+    $out .= $y;
+  }
+
+  return $out;
+}
+
+sub module_generate_hash
+{
+  my $word = shift;
+  my $salt = shift;
+  my $iter = shift // 4000;
+  my $data = shift;
+
+  my $pbkdf = Crypt::PBKDF2->new
+  (
+    hash_class => 'HMACSHA1',
+    iterations => $iter,
+    output_len => 136
+  );
+
+  my $authkey = $pbkdf->PBKDF2 ($salt, $word);
+
+  my $message     = "";
+  my $message_key = "";
+
+  if (defined ($data))
+  {
+    $message     = substr ($data, 16);
+    $message_key = substr ($data,  0, 16);
+  }
+  else
+  {
+    $message     = random_bytes (272);
+    $message_key = substr (sha1 ($message), 0, 16);
+  }
+
+  my $data_a = "\x00" x 48;
+  my $data_b = "\x00" x 48;
+  my $data_c = "\x00" x 48;
+  my $data_d = "\x00" x 48;
+
+  substr ($data_a,  0, 16) = $message_key; # memcpy ()
+  substr ($data_b, 16, 16) = $message_key;
+  substr ($data_c, 32, 16) = $message_key;
+  substr ($data_d,  0, 16) = $message_key;
+
+  substr ($data_a, 16, 32) = substr ($authkey,   8, 32);
+  substr ($data_b,  0, 16) = substr ($authkey,  40, 16);
+  substr ($data_b, 32, 16) = substr ($authkey,  56, 16);
+  substr ($data_c,  0, 32) = substr ($authkey,  72, 32);
+  substr ($data_d, 16, 32) = substr ($authkey, 104, 32);
+
+  my $sha1_a = sha1 ($data_a);
+  my $sha1_b = sha1 ($data_b);
+  my $sha1_c = sha1 ($data_c);
+  my $sha1_d = sha1 ($data_d);
+
+  my $aes_key = substr ($sha1_a, 0,  8) . #  8 +
+                substr ($sha1_b, 8, 12) . # 12 +
+                substr ($sha1_c, 4, 12);  # 12 = 32
+
+  my $aes_iv = substr ($sha1_a,  8, 12) . # 12 +
+               substr ($sha1_b,  0,  8) . #  8 +
+               substr ($sha1_c, 16,  4) . #  4 +
+               substr ($sha1_d,  0,  8);  #  8 = 32
+
+  my $enc_data = "";
+
+  if (defined ($data))
+  {
+    # AES256 IGE decrypt:
+
+    my $dec_data = aes256_decrypt_ige ($aes_key, $aes_iv, $message);
+
+    my $h = substr (sha1 ($dec_data), 0, 16);
+
+    if ($h eq $message_key)
+    {
+      $enc_data = $data;
+    }
+  }
+  else
+  {
+    # AES256 IGE encrypt:
+
+    my $enc_random_data = aes256_encrypt_ige ($aes_key, $aes_iv, $message);
+
+    $enc_data = $message_key . $enc_random_data;
+  }
+
+  my $hash = sprintf ("\$telegram\$1*%i*%s*%s", $iter, unpack ("H*", $salt), unpack ("H*", $enc_data));
+
+  return $hash;
+}
+
+sub module_verify_hash
+{
+  my $line = shift;
+
+  my $idx = index ($line, ':');
+
+  return if ($idx == -1);
+
+  my $hash = substr ($line, 0, $idx);
+  my $word = substr ($line, $idx + 1);
+
+  return unless defined $hash;
+  return unless defined $word;
+
+  my $signature = substr ($hash, 0, 10);
+
+  return unless ($signature eq "\$telegram\$");
+
+  my $version = substr ($hash, 10, 1);
+
+  return unless ($version eq "1");
+
+  my @split = split ('\*', $hash);
+
+  return unless scalar @split == 4;
+
+  shift @split;
+
+  my $iter = shift @split;
+  my $salt = shift @split;
+  my $data = shift @split;
+
+  return unless length ($salt) ==  64;
+  return unless length ($data) == 576;
+
+  $salt = pack ("H*", $salt);
+  $data = pack ("H*", $data);
+
+  my $word_packed = pack_if_HEX_notation ($word);
+
+  my $new_hash = module_generate_hash ($word_packed, $salt, $iter, $data);
+
+  return ($new_hash, $word);
+}
+
+1;