Merge pull request #2419 from philsmd/rarHpPureFix

fixes #2390: RAR3-hp cracking w/ pass > 28 (pure kernel) + tests added

OpenCL/m12500-pure.cl

@@ -17,14 +17,6 @@
 
 #define ROUNDS 0x40000
 
-#define PUTCHAR(a,p,c) ((u8 *)(a))[(p)] = (u8) (c)
-#define GETCHAR(a,p)   ((u8 *)(a))[(p)]
-
-#define PUTCHAR_BE(a,p,c) ((u8 *)(a))[(p) ^ 3] = (u8) (c)
-#define GETCHAR_BE(a,p)   ((u8 *)(a))[(p) ^ 3]
-
-#define MIN(a,b) (((a) < (b)) ? (a) : (b))
-
 typedef struct pbkdf2_sha1
 {
   u32 salt_buf[64];
@@ -33,7 +25,11 @@ typedef struct pbkdf2_sha1
 
 typedef struct rar3_tmp
 {
-  u32 dgst[17][5];
+  u32 dgst[5];
+
+  u32 w[66]; // 256 byte pass + 8 byte salt
+
+  u32 iv[4];
 
 } rar3_tmp_t;
 
@@ -138,6 +134,627 @@ DECLSPEC void memcat8c_be (u32 *w0, u32 *w1, u32 *w2, u32 *w3, const u32 len, co
   }
 }
 
+// only change in this function compared to OpenCL/inc_hash_sha1.cl is that it returns
+// the expanded 64 byte buffer w0_t..wf_t in t[]:
+
+DECLSPEC void sha1_transform_rar29 (const u32 *w0, const u32 *w1, const u32 *w2, const u32 *w3, u32 *digest, u32 *t)
+{
+  u32 a = digest[0];
+  u32 b = digest[1];
+  u32 c = digest[2];
+  u32 d = digest[3];
+  u32 e = digest[4];
+
+  #ifdef IS_CPU
+
+  u32 w0_t = w0[0];
+  u32 w1_t = w0[1];
+  u32 w2_t = w0[2];
+  u32 w3_t = w0[3];
+  u32 w4_t = w1[0];
+  u32 w5_t = w1[1];
+  u32 w6_t = w1[2];
+  u32 w7_t = w1[3];
+  u32 w8_t = w2[0];
+  u32 w9_t = w2[1];
+  u32 wa_t = w2[2];
+  u32 wb_t = w2[3];
+  u32 wc_t = w3[0];
+  u32 wd_t = w3[1];
+  u32 we_t = w3[2];
+  u32 wf_t = w3[3];
+
+  #define K SHA1C00
+
+  SHA1_STEP_S (SHA1_F0o, a, b, c, d, e, w0_t);
+  SHA1_STEP_S (SHA1_F0o, e, a, b, c, d, w1_t);
+  SHA1_STEP_S (SHA1_F0o, d, e, a, b, c, w2_t);
+  SHA1_STEP_S (SHA1_F0o, c, d, e, a, b, w3_t);
+  SHA1_STEP_S (SHA1_F0o, b, c, d, e, a, w4_t);
+  SHA1_STEP_S (SHA1_F0o, a, b, c, d, e, w5_t);
+  SHA1_STEP_S (SHA1_F0o, e, a, b, c, d, w6_t);
+  SHA1_STEP_S (SHA1_F0o, d, e, a, b, c, w7_t);
+  SHA1_STEP_S (SHA1_F0o, c, d, e, a, b, w8_t);
+  SHA1_STEP_S (SHA1_F0o, b, c, d, e, a, w9_t);
+  SHA1_STEP_S (SHA1_F0o, a, b, c, d, e, wa_t);
+  SHA1_STEP_S (SHA1_F0o, e, a, b, c, d, wb_t);
+  SHA1_STEP_S (SHA1_F0o, d, e, a, b, c, wc_t);
+  SHA1_STEP_S (SHA1_F0o, c, d, e, a, b, wd_t);
+  SHA1_STEP_S (SHA1_F0o, b, c, d, e, a, we_t);
+  SHA1_STEP_S (SHA1_F0o, a, b, c, d, e, wf_t);
+  w0_t = hc_rotl32_S ((wd_t ^ w8_t ^ w2_t ^ w0_t), 1u); SHA1_STEP_S (SHA1_F0o, e, a, b, c, d, w0_t);
+  w1_t = hc_rotl32_S ((we_t ^ w9_t ^ w3_t ^ w1_t), 1u); SHA1_STEP_S (SHA1_F0o, d, e, a, b, c, w1_t);
+  w2_t = hc_rotl32_S ((wf_t ^ wa_t ^ w4_t ^ w2_t), 1u); SHA1_STEP_S (SHA1_F0o, c, d, e, a, b, w2_t);
+  w3_t = hc_rotl32_S ((w0_t ^ wb_t ^ w5_t ^ w3_t), 1u); SHA1_STEP_S (SHA1_F0o, b, c, d, e, a, w3_t);
+
+  #undef K
+  #define K SHA1C01
+
+  w4_t = hc_rotl32_S ((w1_t ^ wc_t ^ w6_t ^ w4_t), 1u); SHA1_STEP_S (SHA1_F1, a, b, c, d, e, w4_t);
+  w5_t = hc_rotl32_S ((w2_t ^ wd_t ^ w7_t ^ w5_t), 1u); SHA1_STEP_S (SHA1_F1, e, a, b, c, d, w5_t);
+  w6_t = hc_rotl32_S ((w3_t ^ we_t ^ w8_t ^ w6_t), 1u); SHA1_STEP_S (SHA1_F1, d, e, a, b, c, w6_t);
+  w7_t = hc_rotl32_S ((w4_t ^ wf_t ^ w9_t ^ w7_t), 1u); SHA1_STEP_S (SHA1_F1, c, d, e, a, b, w7_t);
+  w8_t = hc_rotl32_S ((w5_t ^ w0_t ^ wa_t ^ w8_t), 1u); SHA1_STEP_S (SHA1_F1, b, c, d, e, a, w8_t);
+  w9_t = hc_rotl32_S ((w6_t ^ w1_t ^ wb_t ^ w9_t), 1u); SHA1_STEP_S (SHA1_F1, a, b, c, d, e, w9_t);
+  wa_t = hc_rotl32_S ((w7_t ^ w2_t ^ wc_t ^ wa_t), 1u); SHA1_STEP_S (SHA1_F1, e, a, b, c, d, wa_t);
+  wb_t = hc_rotl32_S ((w8_t ^ w3_t ^ wd_t ^ wb_t), 1u); SHA1_STEP_S (SHA1_F1, d, e, a, b, c, wb_t);
+  wc_t = hc_rotl32_S ((w9_t ^ w4_t ^ we_t ^ wc_t), 1u); SHA1_STEP_S (SHA1_F1, c, d, e, a, b, wc_t);
+  wd_t = hc_rotl32_S ((wa_t ^ w5_t ^ wf_t ^ wd_t), 1u); SHA1_STEP_S (SHA1_F1, b, c, d, e, a, wd_t);
+  we_t = hc_rotl32_S ((wb_t ^ w6_t ^ w0_t ^ we_t), 1u); SHA1_STEP_S (SHA1_F1, a, b, c, d, e, we_t);
+  wf_t = hc_rotl32_S ((wc_t ^ w7_t ^ w1_t ^ wf_t), 1u); SHA1_STEP_S (SHA1_F1, e, a, b, c, d, wf_t);
+  w0_t = hc_rotl32_S ((wd_t ^ w8_t ^ w2_t ^ w0_t), 1u); SHA1_STEP_S (SHA1_F1, d, e, a, b, c, w0_t);
+  w1_t = hc_rotl32_S ((we_t ^ w9_t ^ w3_t ^ w1_t), 1u); SHA1_STEP_S (SHA1_F1, c, d, e, a, b, w1_t);
+  w2_t = hc_rotl32_S ((wf_t ^ wa_t ^ w4_t ^ w2_t), 1u); SHA1_STEP_S (SHA1_F1, b, c, d, e, a, w2_t);
+  w3_t = hc_rotl32_S ((w0_t ^ wb_t ^ w5_t ^ w3_t), 1u); SHA1_STEP_S (SHA1_F1, a, b, c, d, e, w3_t);
+  w4_t = hc_rotl32_S ((w1_t ^ wc_t ^ w6_t ^ w4_t), 1u); SHA1_STEP_S (SHA1_F1, e, a, b, c, d, w4_t);
+  w5_t = hc_rotl32_S ((w2_t ^ wd_t ^ w7_t ^ w5_t), 1u); SHA1_STEP_S (SHA1_F1, d, e, a, b, c, w5_t);
+  w6_t = hc_rotl32_S ((w3_t ^ we_t ^ w8_t ^ w6_t), 1u); SHA1_STEP_S (SHA1_F1, c, d, e, a, b, w6_t);
+  w7_t = hc_rotl32_S ((w4_t ^ wf_t ^ w9_t ^ w7_t), 1u); SHA1_STEP_S (SHA1_F1, b, c, d, e, a, w7_t);
+
+  #undef K
+  #define K SHA1C02
+
+  w8_t = hc_rotl32_S ((w5_t ^ w0_t ^ wa_t ^ w8_t), 1u); SHA1_STEP_S (SHA1_F2o, a, b, c, d, e, w8_t);
+  w9_t = hc_rotl32_S ((w6_t ^ w1_t ^ wb_t ^ w9_t), 1u); SHA1_STEP_S (SHA1_F2o, e, a, b, c, d, w9_t);
+  wa_t = hc_rotl32_S ((w7_t ^ w2_t ^ wc_t ^ wa_t), 1u); SHA1_STEP_S (SHA1_F2o, d, e, a, b, c, wa_t);
+  wb_t = hc_rotl32_S ((w8_t ^ w3_t ^ wd_t ^ wb_t), 1u); SHA1_STEP_S (SHA1_F2o, c, d, e, a, b, wb_t);
+  wc_t = hc_rotl32_S ((w9_t ^ w4_t ^ we_t ^ wc_t), 1u); SHA1_STEP_S (SHA1_F2o, b, c, d, e, a, wc_t);
+  wd_t = hc_rotl32_S ((wa_t ^ w5_t ^ wf_t ^ wd_t), 1u); SHA1_STEP_S (SHA1_F2o, a, b, c, d, e, wd_t);
+  we_t = hc_rotl32_S ((wb_t ^ w6_t ^ w0_t ^ we_t), 1u); SHA1_STEP_S (SHA1_F2o, e, a, b, c, d, we_t);
+  wf_t = hc_rotl32_S ((wc_t ^ w7_t ^ w1_t ^ wf_t), 1u); SHA1_STEP_S (SHA1_F2o, d, e, a, b, c, wf_t);
+  w0_t = hc_rotl32_S ((wd_t ^ w8_t ^ w2_t ^ w0_t), 1u); SHA1_STEP_S (SHA1_F2o, c, d, e, a, b, w0_t);
+  w1_t = hc_rotl32_S ((we_t ^ w9_t ^ w3_t ^ w1_t), 1u); SHA1_STEP_S (SHA1_F2o, b, c, d, e, a, w1_t);
+  w2_t = hc_rotl32_S ((wf_t ^ wa_t ^ w4_t ^ w2_t), 1u); SHA1_STEP_S (SHA1_F2o, a, b, c, d, e, w2_t);
+  w3_t = hc_rotl32_S ((w0_t ^ wb_t ^ w5_t ^ w3_t), 1u); SHA1_STEP_S (SHA1_F2o, e, a, b, c, d, w3_t);
+  w4_t = hc_rotl32_S ((w1_t ^ wc_t ^ w6_t ^ w4_t), 1u); SHA1_STEP_S (SHA1_F2o, d, e, a, b, c, w4_t);
+  w5_t = hc_rotl32_S ((w2_t ^ wd_t ^ w7_t ^ w5_t), 1u); SHA1_STEP_S (SHA1_F2o, c, d, e, a, b, w5_t);
+  w6_t = hc_rotl32_S ((w3_t ^ we_t ^ w8_t ^ w6_t), 1u); SHA1_STEP_S (SHA1_F2o, b, c, d, e, a, w6_t);
+  w7_t = hc_rotl32_S ((w4_t ^ wf_t ^ w9_t ^ w7_t), 1u); SHA1_STEP_S (SHA1_F2o, a, b, c, d, e, w7_t);
+  w8_t = hc_rotl32_S ((w5_t ^ w0_t ^ wa_t ^ w8_t), 1u); SHA1_STEP_S (SHA1_F2o, e, a, b, c, d, w8_t);
+  w9_t = hc_rotl32_S ((w6_t ^ w1_t ^ wb_t ^ w9_t), 1u); SHA1_STEP_S (SHA1_F2o, d, e, a, b, c, w9_t);
+  wa_t = hc_rotl32_S ((w7_t ^ w2_t ^ wc_t ^ wa_t), 1u); SHA1_STEP_S (SHA1_F2o, c, d, e, a, b, wa_t);
+  wb_t = hc_rotl32_S ((w8_t ^ w3_t ^ wd_t ^ wb_t), 1u); SHA1_STEP_S (SHA1_F2o, b, c, d, e, a, wb_t);
+
+  #undef K
+  #define K SHA1C03
+
+  wc_t = hc_rotl32_S ((w9_t ^ w4_t ^ we_t ^ wc_t), 1u); SHA1_STEP_S (SHA1_F1, a, b, c, d, e, wc_t);
+  wd_t = hc_rotl32_S ((wa_t ^ w5_t ^ wf_t ^ wd_t), 1u); SHA1_STEP_S (SHA1_F1, e, a, b, c, d, wd_t);
+  we_t = hc_rotl32_S ((wb_t ^ w6_t ^ w0_t ^ we_t), 1u); SHA1_STEP_S (SHA1_F1, d, e, a, b, c, we_t);
+  wf_t = hc_rotl32_S ((wc_t ^ w7_t ^ w1_t ^ wf_t), 1u); SHA1_STEP_S (SHA1_F1, c, d, e, a, b, wf_t);
+  w0_t = hc_rotl32_S ((wd_t ^ w8_t ^ w2_t ^ w0_t), 1u); SHA1_STEP_S (SHA1_F1, b, c, d, e, a, w0_t);
+  w1_t = hc_rotl32_S ((we_t ^ w9_t ^ w3_t ^ w1_t), 1u); SHA1_STEP_S (SHA1_F1, a, b, c, d, e, w1_t);
+  w2_t = hc_rotl32_S ((wf_t ^ wa_t ^ w4_t ^ w2_t), 1u); SHA1_STEP_S (SHA1_F1, e, a, b, c, d, w2_t);
+  w3_t = hc_rotl32_S ((w0_t ^ wb_t ^ w5_t ^ w3_t), 1u); SHA1_STEP_S (SHA1_F1, d, e, a, b, c, w3_t);
+  w4_t = hc_rotl32_S ((w1_t ^ wc_t ^ w6_t ^ w4_t), 1u); SHA1_STEP_S (SHA1_F1, c, d, e, a, b, w4_t);
+  w5_t = hc_rotl32_S ((w2_t ^ wd_t ^ w7_t ^ w5_t), 1u); SHA1_STEP_S (SHA1_F1, b, c, d, e, a, w5_t);
+  w6_t = hc_rotl32_S ((w3_t ^ we_t ^ w8_t ^ w6_t), 1u); SHA1_STEP_S (SHA1_F1, a, b, c, d, e, w6_t);
+  w7_t = hc_rotl32_S ((w4_t ^ wf_t ^ w9_t ^ w7_t), 1u); SHA1_STEP_S (SHA1_F1, e, a, b, c, d, w7_t);
+  w8_t = hc_rotl32_S ((w5_t ^ w0_t ^ wa_t ^ w8_t), 1u); SHA1_STEP_S (SHA1_F1, d, e, a, b, c, w8_t);
+  w9_t = hc_rotl32_S ((w6_t ^ w1_t ^ wb_t ^ w9_t), 1u); SHA1_STEP_S (SHA1_F1, c, d, e, a, b, w9_t);
+  wa_t = hc_rotl32_S ((w7_t ^ w2_t ^ wc_t ^ wa_t), 1u); SHA1_STEP_S (SHA1_F1, b, c, d, e, a, wa_t);
+  wb_t = hc_rotl32_S ((w8_t ^ w3_t ^ wd_t ^ wb_t), 1u); SHA1_STEP_S (SHA1_F1, a, b, c, d, e, wb_t);
+  wc_t = hc_rotl32_S ((w9_t ^ w4_t ^ we_t ^ wc_t), 1u); SHA1_STEP_S (SHA1_F1, e, a, b, c, d, wc_t);
+  wd_t = hc_rotl32_S ((wa_t ^ w5_t ^ wf_t ^ wd_t), 1u); SHA1_STEP_S (SHA1_F1, d, e, a, b, c, wd_t);
+  we_t = hc_rotl32_S ((wb_t ^ w6_t ^ w0_t ^ we_t), 1u); SHA1_STEP_S (SHA1_F1, c, d, e, a, b, we_t);
+  wf_t = hc_rotl32_S ((wc_t ^ w7_t ^ w1_t ^ wf_t), 1u); SHA1_STEP_S (SHA1_F1, b, c, d, e, a, wf_t);
+
+  t[ 0] = w0_t;
+  t[ 1] = w1_t;
+  t[ 2] = w2_t;
+  t[ 3] = w3_t;
+  t[ 4] = w4_t;
+  t[ 5] = w5_t;
+  t[ 6] = w6_t;
+  t[ 7] = w7_t;
+  t[ 8] = w8_t;
+  t[ 9] = w9_t;
+  t[10] = wa_t;
+  t[11] = wb_t;
+  t[12] = wc_t;
+  t[13] = wd_t;
+  t[14] = we_t;
+  t[15] = wf_t;
+
+  #undef K
+
+  #else
+
+  u32 w00_t = w0[0];
+  u32 w01_t = w0[1];
+  u32 w02_t = w0[2];
+  u32 w03_t = w0[3];
+  u32 w04_t = w1[0];
+  u32 w05_t = w1[1];
+  u32 w06_t = w1[2];
+  u32 w07_t = w1[3];
+  u32 w08_t = w2[0];
+  u32 w09_t = w2[1];
+  u32 w0a_t = w2[2];
+  u32 w0b_t = w2[3];
+  u32 w0c_t = w3[0];
+  u32 w0d_t = w3[1];
+  u32 w0e_t = w3[2];
+  u32 w0f_t = w3[3];
+  u32 w10_t;
+  u32 w11_t;
+  u32 w12_t;
+  u32 w13_t;
+  u32 w14_t;
+  u32 w15_t;
+  u32 w16_t;
+  u32 w17_t;
+  u32 w18_t;
+  u32 w19_t;
+  u32 w1a_t;
+  u32 w1b_t;
+  u32 w1c_t;
+  u32 w1d_t;
+  u32 w1e_t;
+  u32 w1f_t;
+  u32 w20_t;
+  u32 w21_t;
+  u32 w22_t;
+  u32 w23_t;
+  u32 w24_t;
+  u32 w25_t;
+  u32 w26_t;
+  u32 w27_t;
+  u32 w28_t;
+  u32 w29_t;
+  u32 w2a_t;
+  u32 w2b_t;
+  u32 w2c_t;
+  u32 w2d_t;
+  u32 w2e_t;
+  u32 w2f_t;
+  u32 w30_t;
+  u32 w31_t;
+  u32 w32_t;
+  u32 w33_t;
+  u32 w34_t;
+  u32 w35_t;
+  u32 w36_t;
+  u32 w37_t;
+  u32 w38_t;
+  u32 w39_t;
+  u32 w3a_t;
+  u32 w3b_t;
+  u32 w3c_t;
+  u32 w3d_t;
+  u32 w3e_t;
+  u32 w3f_t;
+  u32 w40_t;
+  u32 w41_t;
+  u32 w42_t;
+  u32 w43_t;
+  u32 w44_t;
+  u32 w45_t;
+  u32 w46_t;
+  u32 w47_t;
+  u32 w48_t;
+  u32 w49_t;
+  u32 w4a_t;
+  u32 w4b_t;
+  u32 w4c_t;
+  u32 w4d_t;
+  u32 w4e_t;
+  u32 w4f_t;
+
+  #define K SHA1C00
+
+  SHA1_STEP_S (SHA1_F0o, a, b, c, d, e, w00_t);
+  SHA1_STEP_S (SHA1_F0o, e, a, b, c, d, w01_t);
+  SHA1_STEP_S (SHA1_F0o, d, e, a, b, c, w02_t);
+  SHA1_STEP_S (SHA1_F0o, c, d, e, a, b, w03_t);
+  SHA1_STEP_S (SHA1_F0o, b, c, d, e, a, w04_t);
+  SHA1_STEP_S (SHA1_F0o, a, b, c, d, e, w05_t);
+  SHA1_STEP_S (SHA1_F0o, e, a, b, c, d, w06_t);
+  SHA1_STEP_S (SHA1_F0o, d, e, a, b, c, w07_t);
+  SHA1_STEP_S (SHA1_F0o, c, d, e, a, b, w08_t);
+  SHA1_STEP_S (SHA1_F0o, b, c, d, e, a, w09_t);
+  SHA1_STEP_S (SHA1_F0o, a, b, c, d, e, w0a_t);
+  SHA1_STEP_S (SHA1_F0o, e, a, b, c, d, w0b_t);
+  SHA1_STEP_S (SHA1_F0o, d, e, a, b, c, w0c_t);
+  SHA1_STEP_S (SHA1_F0o, c, d, e, a, b, w0d_t);
+  SHA1_STEP_S (SHA1_F0o, b, c, d, e, a, w0e_t);
+  SHA1_STEP_S (SHA1_F0o, a, b, c, d, e, w0f_t);
+  w10_t = hc_rotl32_S ((w0d_t ^ w08_t ^ w02_t ^ w00_t), 1u); SHA1_STEP_S (SHA1_F0o, e, a, b, c, d, w10_t);
+  w11_t = hc_rotl32_S ((w0e_t ^ w09_t ^ w03_t ^ w01_t), 1u); SHA1_STEP_S (SHA1_F0o, d, e, a, b, c, w11_t);
+  w12_t = hc_rotl32_S ((w0f_t ^ w0a_t ^ w04_t ^ w02_t), 1u); SHA1_STEP_S (SHA1_F0o, c, d, e, a, b, w12_t);
+  w13_t = hc_rotl32_S ((w10_t ^ w0b_t ^ w05_t ^ w03_t), 1u); SHA1_STEP_S (SHA1_F0o, b, c, d, e, a, w13_t);
+
+  #undef K
+  #define K SHA1C01
+
+  w14_t = hc_rotl32_S ((w11_t ^ w0c_t ^ w06_t ^ w04_t), 1u); SHA1_STEP_S (SHA1_F1, a, b, c, d, e, w14_t);
+  w15_t = hc_rotl32_S ((w12_t ^ w0d_t ^ w07_t ^ w05_t), 1u); SHA1_STEP_S (SHA1_F1, e, a, b, c, d, w15_t);
+  w16_t = hc_rotl32_S ((w13_t ^ w0e_t ^ w08_t ^ w06_t), 1u); SHA1_STEP_S (SHA1_F1, d, e, a, b, c, w16_t);
+  w17_t = hc_rotl32_S ((w14_t ^ w0f_t ^ w09_t ^ w07_t), 1u); SHA1_STEP_S (SHA1_F1, c, d, e, a, b, w17_t);
+  w18_t = hc_rotl32_S ((w15_t ^ w10_t ^ w0a_t ^ w08_t), 1u); SHA1_STEP_S (SHA1_F1, b, c, d, e, a, w18_t);
+  w19_t = hc_rotl32_S ((w16_t ^ w11_t ^ w0b_t ^ w09_t), 1u); SHA1_STEP_S (SHA1_F1, a, b, c, d, e, w19_t);
+  w1a_t = hc_rotl32_S ((w17_t ^ w12_t ^ w0c_t ^ w0a_t), 1u); SHA1_STEP_S (SHA1_F1, e, a, b, c, d, w1a_t);
+  w1b_t = hc_rotl32_S ((w18_t ^ w13_t ^ w0d_t ^ w0b_t), 1u); SHA1_STEP_S (SHA1_F1, d, e, a, b, c, w1b_t);
+  w1c_t = hc_rotl32_S ((w19_t ^ w14_t ^ w0e_t ^ w0c_t), 1u); SHA1_STEP_S (SHA1_F1, c, d, e, a, b, w1c_t);
+  w1d_t = hc_rotl32_S ((w1a_t ^ w15_t ^ w0f_t ^ w0d_t), 1u); SHA1_STEP_S (SHA1_F1, b, c, d, e, a, w1d_t);
+  w1e_t = hc_rotl32_S ((w1b_t ^ w16_t ^ w10_t ^ w0e_t), 1u); SHA1_STEP_S (SHA1_F1, a, b, c, d, e, w1e_t);
+  w1f_t = hc_rotl32_S ((w1c_t ^ w17_t ^ w11_t ^ w0f_t), 1u); SHA1_STEP_S (SHA1_F1, e, a, b, c, d, w1f_t);
+  w20_t = hc_rotl32_S ((w1a_t ^ w10_t ^ w04_t ^ w00_t), 2u); SHA1_STEP_S (SHA1_F1, d, e, a, b, c, w20_t);
+  w21_t = hc_rotl32_S ((w1b_t ^ w11_t ^ w05_t ^ w01_t), 2u); SHA1_STEP_S (SHA1_F1, c, d, e, a, b, w21_t);
+  w22_t = hc_rotl32_S ((w1c_t ^ w12_t ^ w06_t ^ w02_t), 2u); SHA1_STEP_S (SHA1_F1, b, c, d, e, a, w22_t);
+  w23_t = hc_rotl32_S ((w1d_t ^ w13_t ^ w07_t ^ w03_t), 2u); SHA1_STEP_S (SHA1_F1, a, b, c, d, e, w23_t);
+  w24_t = hc_rotl32_S ((w1e_t ^ w14_t ^ w08_t ^ w04_t), 2u); SHA1_STEP_S (SHA1_F1, e, a, b, c, d, w24_t);
+  w25_t = hc_rotl32_S ((w1f_t ^ w15_t ^ w09_t ^ w05_t), 2u); SHA1_STEP_S (SHA1_F1, d, e, a, b, c, w25_t);
+  w26_t = hc_rotl32_S ((w20_t ^ w16_t ^ w0a_t ^ w06_t), 2u); SHA1_STEP_S (SHA1_F1, c, d, e, a, b, w26_t);
+  w27_t = hc_rotl32_S ((w21_t ^ w17_t ^ w0b_t ^ w07_t), 2u); SHA1_STEP_S (SHA1_F1, b, c, d, e, a, w27_t);
+
+  #undef K
+  #define K SHA1C02
+
+  w28_t = hc_rotl32_S ((w22_t ^ w18_t ^ w0c_t ^ w08_t), 2u); SHA1_STEP_S (SHA1_F2o, a, b, c, d, e, w28_t);
+  w29_t = hc_rotl32_S ((w23_t ^ w19_t ^ w0d_t ^ w09_t), 2u); SHA1_STEP_S (SHA1_F2o, e, a, b, c, d, w29_t);
+  w2a_t = hc_rotl32_S ((w24_t ^ w1a_t ^ w0e_t ^ w0a_t), 2u); SHA1_STEP_S (SHA1_F2o, d, e, a, b, c, w2a_t);
+  w2b_t = hc_rotl32_S ((w25_t ^ w1b_t ^ w0f_t ^ w0b_t), 2u); SHA1_STEP_S (SHA1_F2o, c, d, e, a, b, w2b_t);
+  w2c_t = hc_rotl32_S ((w26_t ^ w1c_t ^ w10_t ^ w0c_t), 2u); SHA1_STEP_S (SHA1_F2o, b, c, d, e, a, w2c_t);
+  w2d_t = hc_rotl32_S ((w27_t ^ w1d_t ^ w11_t ^ w0d_t), 2u); SHA1_STEP_S (SHA1_F2o, a, b, c, d, e, w2d_t);
+  w2e_t = hc_rotl32_S ((w28_t ^ w1e_t ^ w12_t ^ w0e_t), 2u); SHA1_STEP_S (SHA1_F2o, e, a, b, c, d, w2e_t);
+  w2f_t = hc_rotl32_S ((w29_t ^ w1f_t ^ w13_t ^ w0f_t), 2u); SHA1_STEP_S (SHA1_F2o, d, e, a, b, c, w2f_t);
+  w30_t = hc_rotl32_S ((w2a_t ^ w20_t ^ w14_t ^ w10_t), 2u); SHA1_STEP_S (SHA1_F2o, c, d, e, a, b, w30_t);
+  w31_t = hc_rotl32_S ((w2b_t ^ w21_t ^ w15_t ^ w11_t), 2u); SHA1_STEP_S (SHA1_F2o, b, c, d, e, a, w31_t);
+  w32_t = hc_rotl32_S ((w2c_t ^ w22_t ^ w16_t ^ w12_t), 2u); SHA1_STEP_S (SHA1_F2o, a, b, c, d, e, w32_t);
+  w33_t = hc_rotl32_S ((w2d_t ^ w23_t ^ w17_t ^ w13_t), 2u); SHA1_STEP_S (SHA1_F2o, e, a, b, c, d, w33_t);
+  w34_t = hc_rotl32_S ((w2e_t ^ w24_t ^ w18_t ^ w14_t), 2u); SHA1_STEP_S (SHA1_F2o, d, e, a, b, c, w34_t);
+  w35_t = hc_rotl32_S ((w2f_t ^ w25_t ^ w19_t ^ w15_t), 2u); SHA1_STEP_S (SHA1_F2o, c, d, e, a, b, w35_t);
+  w36_t = hc_rotl32_S ((w30_t ^ w26_t ^ w1a_t ^ w16_t), 2u); SHA1_STEP_S (SHA1_F2o, b, c, d, e, a, w36_t);
+  w37_t = hc_rotl32_S ((w31_t ^ w27_t ^ w1b_t ^ w17_t), 2u); SHA1_STEP_S (SHA1_F2o, a, b, c, d, e, w37_t);
+  w38_t = hc_rotl32_S ((w32_t ^ w28_t ^ w1c_t ^ w18_t), 2u); SHA1_STEP_S (SHA1_F2o, e, a, b, c, d, w38_t);
+  w39_t = hc_rotl32_S ((w33_t ^ w29_t ^ w1d_t ^ w19_t), 2u); SHA1_STEP_S (SHA1_F2o, d, e, a, b, c, w39_t);
+  w3a_t = hc_rotl32_S ((w34_t ^ w2a_t ^ w1e_t ^ w1a_t), 2u); SHA1_STEP_S (SHA1_F2o, c, d, e, a, b, w3a_t);
+  w3b_t = hc_rotl32_S ((w35_t ^ w2b_t ^ w1f_t ^ w1b_t), 2u); SHA1_STEP_S (SHA1_F2o, b, c, d, e, a, w3b_t);
+
+  #undef K
+  #define K SHA1C03
+
+  w3c_t = hc_rotl32_S ((w36_t ^ w2c_t ^ w20_t ^ w1c_t), 2u); SHA1_STEP_S (SHA1_F1, a, b, c, d, e, w3c_t);
+  w3d_t = hc_rotl32_S ((w37_t ^ w2d_t ^ w21_t ^ w1d_t), 2u); SHA1_STEP_S (SHA1_F1, e, a, b, c, d, w3d_t);
+  w3e_t = hc_rotl32_S ((w38_t ^ w2e_t ^ w22_t ^ w1e_t), 2u); SHA1_STEP_S (SHA1_F1, d, e, a, b, c, w3e_t);
+  w3f_t = hc_rotl32_S ((w39_t ^ w2f_t ^ w23_t ^ w1f_t), 2u); SHA1_STEP_S (SHA1_F1, c, d, e, a, b, w3f_t);
+  w40_t = hc_rotl32_S ((w34_t ^ w20_t ^ w08_t ^ w00_t), 4u); SHA1_STEP_S (SHA1_F1, b, c, d, e, a, w40_t);
+  w41_t = hc_rotl32_S ((w35_t ^ w21_t ^ w09_t ^ w01_t), 4u); SHA1_STEP_S (SHA1_F1, a, b, c, d, e, w41_t);
+  w42_t = hc_rotl32_S ((w36_t ^ w22_t ^ w0a_t ^ w02_t), 4u); SHA1_STEP_S (SHA1_F1, e, a, b, c, d, w42_t);
+  w43_t = hc_rotl32_S ((w37_t ^ w23_t ^ w0b_t ^ w03_t), 4u); SHA1_STEP_S (SHA1_F1, d, e, a, b, c, w43_t);
+  w44_t = hc_rotl32_S ((w38_t ^ w24_t ^ w0c_t ^ w04_t), 4u); SHA1_STEP_S (SHA1_F1, c, d, e, a, b, w44_t);
+  w45_t = hc_rotl32_S ((w39_t ^ w25_t ^ w0d_t ^ w05_t), 4u); SHA1_STEP_S (SHA1_F1, b, c, d, e, a, w45_t);
+  w46_t = hc_rotl32_S ((w3a_t ^ w26_t ^ w0e_t ^ w06_t), 4u); SHA1_STEP_S (SHA1_F1, a, b, c, d, e, w46_t);
+  w47_t = hc_rotl32_S ((w3b_t ^ w27_t ^ w0f_t ^ w07_t), 4u); SHA1_STEP_S (SHA1_F1, e, a, b, c, d, w47_t);
+  w48_t = hc_rotl32_S ((w3c_t ^ w28_t ^ w10_t ^ w08_t), 4u); SHA1_STEP_S (SHA1_F1, d, e, a, b, c, w48_t);
+  w49_t = hc_rotl32_S ((w3d_t ^ w29_t ^ w11_t ^ w09_t), 4u); SHA1_STEP_S (SHA1_F1, c, d, e, a, b, w49_t);
+  w4a_t = hc_rotl32_S ((w3e_t ^ w2a_t ^ w12_t ^ w0a_t), 4u); SHA1_STEP_S (SHA1_F1, b, c, d, e, a, w4a_t);
+  w4b_t = hc_rotl32_S ((w3f_t ^ w2b_t ^ w13_t ^ w0b_t), 4u); SHA1_STEP_S (SHA1_F1, a, b, c, d, e, w4b_t);
+  w4c_t = hc_rotl32_S ((w40_t ^ w2c_t ^ w14_t ^ w0c_t), 4u); SHA1_STEP_S (SHA1_F1, e, a, b, c, d, w4c_t);
+  w4d_t = hc_rotl32_S ((w41_t ^ w2d_t ^ w15_t ^ w0d_t), 4u); SHA1_STEP_S (SHA1_F1, d, e, a, b, c, w4d_t);
+  w4e_t = hc_rotl32_S ((w42_t ^ w2e_t ^ w16_t ^ w0e_t), 4u); SHA1_STEP_S (SHA1_F1, c, d, e, a, b, w4e_t);
+  w4f_t = hc_rotl32_S ((w43_t ^ w2f_t ^ w17_t ^ w0f_t), 4u); SHA1_STEP_S (SHA1_F1, b, c, d, e, a, w4f_t);
+
+  t[ 0] = w40_t;
+  t[ 1] = w41_t;
+  t[ 2] = w42_t;
+  t[ 3] = w43_t;
+  t[ 4] = w44_t;
+  t[ 5] = w45_t;
+  t[ 6] = w46_t;
+  t[ 7] = w47_t;
+  t[ 8] = w48_t;
+  t[ 9] = w49_t;
+  t[10] = w4a_t;
+  t[11] = w4b_t;
+  t[12] = w4c_t;
+  t[13] = w4d_t;
+  t[14] = w4e_t;
+  t[15] = w4f_t;
+
+  #undef K
+  #endif
+
+  digest[0] += a;
+  digest[1] += b;
+  digest[2] += c;
+  digest[3] += d;
+  digest[4] += e;
+}
+
+// only change in this function compared to OpenCL/inc_hash_sha1.cl is that
+// it calls our modified sha1_transform_rar29 () function
+
+DECLSPEC void sha1_update_64_rar29 (sha1_ctx_t *ctx, u32 *w0, u32 *w1, u32 *w2, u32 *w3, const int bytes, u32 *t)
+{
+  MAYBE_VOLATILE const int pos = ctx->len & 63;
+
+  int len = 64;
+
+  if (bytes < 64)
+  {
+    len = bytes;
+  }
+
+  ctx->len += len;
+
+  if (pos == 0)
+  {
+    ctx->w0[0] = w0[0];
+    ctx->w0[1] = w0[1];
+    ctx->w0[2] = w0[2];
+    ctx->w0[3] = w0[3];
+    ctx->w1[0] = w1[0];
+    ctx->w1[1] = w1[1];
+    ctx->w1[2] = w1[2];
+    ctx->w1[3] = w1[3];
+    ctx->w2[0] = w2[0];
+    ctx->w2[1] = w2[1];
+    ctx->w2[2] = w2[2];
+    ctx->w2[3] = w2[3];
+    ctx->w3[0] = w3[0];
+    ctx->w3[1] = w3[1];
+    ctx->w3[2] = w3[2];
+    ctx->w3[3] = w3[3];
+
+    if (len == 64)
+    {
+      sha1_transform_rar29 (ctx->w0, ctx->w1, ctx->w2, ctx->w3, ctx->h, t);
+
+      ctx->w0[0] = 0;
+      ctx->w0[1] = 0;
+      ctx->w0[2] = 0;
+      ctx->w0[3] = 0;
+      ctx->w1[0] = 0;
+      ctx->w1[1] = 0;
+      ctx->w1[2] = 0;
+      ctx->w1[3] = 0;
+      ctx->w2[0] = 0;
+      ctx->w2[1] = 0;
+      ctx->w2[2] = 0;
+      ctx->w2[3] = 0;
+      ctx->w3[0] = 0;
+      ctx->w3[1] = 0;
+      ctx->w3[2] = 0;
+      ctx->w3[3] = 0;
+    }
+  }
+  else
+  {
+    if ((pos + len) < 64)
+    {
+      switch_buffer_by_offset_be_S (w0, w1, w2, w3, pos);
+
+      ctx->w0[0] |= w0[0];
+      ctx->w0[1] |= w0[1];
+      ctx->w0[2] |= w0[2];
+      ctx->w0[3] |= w0[3];
+      ctx->w1[0] |= w1[0];
+      ctx->w1[1] |= w1[1];
+      ctx->w1[2] |= w1[2];
+      ctx->w1[3] |= w1[3];
+      ctx->w2[0] |= w2[0];
+      ctx->w2[1] |= w2[1];
+      ctx->w2[2] |= w2[2];
+      ctx->w2[3] |= w2[3];
+      ctx->w3[0] |= w3[0];
+      ctx->w3[1] |= w3[1];
+      ctx->w3[2] |= w3[2];
+      ctx->w3[3] |= w3[3];
+    }
+    else
+    {
+      u32 c0[4] = { 0 };
+      u32 c1[4] = { 0 };
+      u32 c2[4] = { 0 };
+      u32 c3[4] = { 0 };
+
+      switch_buffer_by_offset_carry_be_S (w0, w1, w2, w3, c0, c1, c2, c3, pos);
+
+      ctx->w0[0] |= w0[0];
+      ctx->w0[1] |= w0[1];
+      ctx->w0[2] |= w0[2];
+      ctx->w0[3] |= w0[3];
+      ctx->w1[0] |= w1[0];
+      ctx->w1[1] |= w1[1];
+      ctx->w1[2] |= w1[2];
+      ctx->w1[3] |= w1[3];
+      ctx->w2[0] |= w2[0];
+      ctx->w2[1] |= w2[1];
+      ctx->w2[2] |= w2[2];
+      ctx->w2[3] |= w2[3];
+      ctx->w3[0] |= w3[0];
+      ctx->w3[1] |= w3[1];
+      ctx->w3[2] |= w3[2];
+      ctx->w3[3] |= w3[3];
+
+      sha1_transform_rar29 (ctx->w0, ctx->w1, ctx->w2, ctx->w3, ctx->h, t);
+
+      ctx->w0[0] = c0[0];
+      ctx->w0[1] = c0[1];
+      ctx->w0[2] = c0[2];
+      ctx->w0[3] = c0[3];
+      ctx->w1[0] = c1[0];
+      ctx->w1[1] = c1[1];
+      ctx->w1[2] = c1[2];
+      ctx->w1[3] = c1[3];
+      ctx->w2[0] = c2[0];
+      ctx->w2[1] = c2[1];
+      ctx->w2[2] = c2[2];
+      ctx->w2[3] = c2[3];
+      ctx->w3[0] = c3[0];
+      ctx->w3[1] = c3[1];
+      ctx->w3[2] = c3[2];
+      ctx->w3[3] = c3[3];
+    }
+  }
+}
+
+// main change in this function compared to OpenCL/inc_hash_sha1.cl is that
+// we call sha1_update_64_rar29 () and sometimes replace w[]
+
+DECLSPEC void sha1_update_rar29 (sha1_ctx_t *ctx, u32 *w, const int len)
+{
+  u32 w0[4];
+  u32 w1[4];
+  u32 w2[4];
+  u32 w3[4];
+
+  MAYBE_VOLATILE const int pos = ctx->len & 63;
+
+  int pos1 = 0;
+  int pos4 = 0;
+
+  if (len > 64) // or: if (pos1 < (len - 64))
+  {
+    w0[0] = w[pos4 +  0];
+    w0[1] = w[pos4 +  1];
+    w0[2] = w[pos4 +  2];
+    w0[3] = w[pos4 +  3];
+    w1[0] = w[pos4 +  4];
+    w1[1] = w[pos4 +  5];
+    w1[2] = w[pos4 +  6];
+    w1[3] = w[pos4 +  7];
+    w2[0] = w[pos4 +  8];
+    w2[1] = w[pos4 +  9];
+    w2[2] = w[pos4 + 10];
+    w2[3] = w[pos4 + 11];
+    w3[0] = w[pos4 + 12];
+    w3[1] = w[pos4 + 13];
+    w3[2] = w[pos4 + 14];
+    w3[3] = w[pos4 + 15];
+
+    sha1_update_64 (ctx, w0, w1, w2, w3, 64);
+
+    pos1 += 64;
+    pos4 += 16;
+  }
+
+  for (int diff = 64 - pos; pos1 < len; pos1 += 64, pos4 += 16, diff += 64)
+  {
+    w0[0] = w[pos4 +  0];
+    w0[1] = w[pos4 +  1];
+    w0[2] = w[pos4 +  2];
+    w0[3] = w[pos4 +  3];
+    w1[0] = w[pos4 +  4];
+    w1[1] = w[pos4 +  5];
+    w1[2] = w[pos4 +  6];
+    w1[3] = w[pos4 +  7];
+    w2[0] = w[pos4 +  8];
+    w2[1] = w[pos4 +  9];
+    w2[2] = w[pos4 + 10];
+    w2[3] = w[pos4 + 11];
+    w3[0] = w[pos4 + 12];
+    w3[1] = w[pos4 + 13];
+    w3[2] = w[pos4 + 14];
+    w3[3] = w[pos4 + 15];
+
+    // only major change in this function compared to OpenCL/inc_hash_sha1.cl:
+
+    u32 t[17] = { 0 };
+
+    sha1_update_64_rar29 (ctx, w0, w1, w2, w3, len - pos1, t);
+
+
+    if ((diff + 63) >= len) break;
+
+    // replaces 64 bytes (with offset diff) of the underlying data w[] with t[]:
+
+    // for (int i = 0; i < 16; i++) t[i] = hc_swap32_S (t[i]);
+
+    t[ 0] = hc_swap32_S (t[ 0]); // unroll seems to be faster
+    t[ 1] = hc_swap32_S (t[ 1]);
+    t[ 2] = hc_swap32_S (t[ 2]);
+    t[ 3] = hc_swap32_S (t[ 3]);
+    t[ 4] = hc_swap32_S (t[ 4]);
+    t[ 5] = hc_swap32_S (t[ 5]);
+    t[ 6] = hc_swap32_S (t[ 6]);
+    t[ 7] = hc_swap32_S (t[ 7]);
+    t[ 8] = hc_swap32_S (t[ 8]);
+    t[ 9] = hc_swap32_S (t[ 9]);
+    t[10] = hc_swap32_S (t[10]);
+    t[11] = hc_swap32_S (t[11]);
+    t[12] = hc_swap32_S (t[12]);
+    t[13] = hc_swap32_S (t[13]);
+    t[14] = hc_swap32_S (t[14]);
+    t[15] = hc_swap32_S (t[15]);
+
+    const u32 n_idx = diff >> 2;
+    const u32 n_off = diff  & 3;
+
+    if (n_off)
+    {
+      const u32 off_mul = n_off << 3;
+      const u32 off_sub = 32 - off_mul;
+
+      t[16] = (t[15] << off_sub);
+      t[15] = (t[15] >> off_mul) | (t[14] << off_sub);
+      t[14] = (t[14] >> off_mul) | (t[13] << off_sub);
+      t[13] = (t[13] >> off_mul) | (t[12] << off_sub);
+      t[12] = (t[12] >> off_mul) | (t[11] << off_sub);
+      t[11] = (t[11] >> off_mul) | (t[10] << off_sub);
+      t[10] = (t[10] >> off_mul) | (t[ 9] << off_sub);
+      t[ 9] = (t[ 9] >> off_mul) | (t[ 8] << off_sub);
+      t[ 8] = (t[ 8] >> off_mul) | (t[ 7] << off_sub);
+      t[ 7] = (t[ 7] >> off_mul) | (t[ 6] << off_sub);
+      t[ 6] = (t[ 6] >> off_mul) | (t[ 5] << off_sub);
+      t[ 5] = (t[ 5] >> off_mul) | (t[ 4] << off_sub);
+      t[ 4] = (t[ 4] >> off_mul) | (t[ 3] << off_sub);
+      t[ 3] = (t[ 3] >> off_mul) | (t[ 2] << off_sub);
+      t[ 2] = (t[ 2] >> off_mul) | (t[ 1] << off_sub);
+      t[ 1] = (t[ 1] >> off_mul) | (t[ 0] << off_sub);
+      t[ 0] = (t[ 0] >> off_mul);
+    }
+
+    w[n_idx] &= 0xffffff00 << ((3 - n_off) << 3);
+
+    w[n_idx] |= t[0];
+
+    w[n_idx +  1] = t[ 1];
+    w[n_idx +  2] = t[ 2];
+    w[n_idx +  3] = t[ 3];
+    w[n_idx +  4] = t[ 4];
+    w[n_idx +  5] = t[ 5];
+    w[n_idx +  6] = t[ 6];
+    w[n_idx +  7] = t[ 7];
+    w[n_idx +  8] = t[ 8];
+    w[n_idx +  9] = t[ 9];
+    w[n_idx + 10] = t[10];
+    w[n_idx + 11] = t[11];
+    w[n_idx + 12] = t[12];
+    w[n_idx + 13] = t[13];
+    w[n_idx + 14] = t[14];
+    w[n_idx + 15] = t[15];
+
+    // the final set is only meaningful: if (n_off)
+
+    w[n_idx + 16] &= 0xffffffff >> (n_off << 3);
+
+    w[n_idx + 16] |= t[16];
+  }
+}
+
 KERNEL_FQ void m12500_init (KERN_ATTR_TMPS_ESALT (rar3_tmp_t, pbkdf2_sha1_t))
 {
   /**
@@ -148,19 +765,82 @@ KERNEL_FQ void m12500_init (KERN_ATTR_TMPS_ESALT (rar3_tmp_t, pbkdf2_sha1_t))
 
   if (gid >= gid_max) return;
 
-  tmps[gid].dgst[0][0] = SHA1M_A;
+  tmps[gid].dgst[0] = SHA1M_A;
-  tmps[gid].dgst[0][1] = SHA1M_B;
+  tmps[gid].dgst[1] = SHA1M_B;
-  tmps[gid].dgst[0][2] = SHA1M_C;
+  tmps[gid].dgst[2] = SHA1M_C;
-  tmps[gid].dgst[0][3] = SHA1M_D;
+  tmps[gid].dgst[3] = SHA1M_D;
-  tmps[gid].dgst[0][4] = SHA1M_E;
+  tmps[gid].dgst[4] = SHA1M_E;
 
-  /**
+  // store pass and salt in tmps:
-   * context save
-   */
 
-  sha1_ctx_t ctx;
+  const u32 pw_len = pws[gid].pw_len;
 
-  sha1_init (&ctx);
+  // first set the utf16le pass:
+
+  u32 w[80] = { 0 };
+
+  for (u32 i = 0, j = 0, k = 0; i < pw_len; i += 16, j += 4, k += 8)
+  {
+    u32 a[4];
+
+    a[0] = pws[gid].i[j + 0];
+    a[1] = pws[gid].i[j + 1];
+    a[2] = pws[gid].i[j + 2];
+    a[3] = pws[gid].i[j + 3];
+
+    u32 b[4];
+    u32 c[4];
+
+    make_utf16le (a, b, c);
+
+    w[k + 0] = hc_swap32_S (b[0]);
+    w[k + 1] = hc_swap32_S (b[1]);
+    w[k + 2] = hc_swap32_S (b[2]);
+    w[k + 3] = hc_swap32_S (b[3]);
+    w[k + 4] = hc_swap32_S (c[0]);
+    w[k + 5] = hc_swap32_S (c[1]);
+    w[k + 6] = hc_swap32_S (c[2]);
+    w[k + 7] = hc_swap32_S (c[3]);
+  }
+
+  // append salt:
+
+  const u32 salt_idx = (pw_len * 2) / 4;
+  const u32 salt_off = (pw_len * 2) & 3;
+
+  u32 salt_buf[3];
+
+  salt_buf[0] = hc_swap32_S (salt_bufs[salt_pos].salt_buf[0]); // swap needed due to -O kernel
+  salt_buf[1] = hc_swap32_S (salt_bufs[salt_pos].salt_buf[1]);
+  salt_buf[2] = 0;
+
+  // switch buffer by offset (can only be 0 or 2 because of utf16):
+
+  if (salt_off == 2) // or just: if (salt_off)
+  {
+    salt_buf[2] = (salt_buf[1] << 16);
+    salt_buf[1] = (salt_buf[1] >> 16) | (salt_buf[0] << 16);
+    salt_buf[0] = (salt_buf[0] >> 16);
+  }
+
+  w[salt_idx] |= salt_buf[0];
+
+  w[salt_idx + 1] = salt_buf[1];
+  w[salt_idx + 2] = salt_buf[2];
+
+  // store initial w[] (pass and salt) in tmps:
+
+  for (u32 i = 0; i < 66; i++) // unroll ?
+  {
+    tmps[gid].w[i] = w[i];
+  }
+
+  // iv:
+
+  tmps[gid].iv[0] = 0;
+  tmps[gid].iv[1] = 0;
+  tmps[gid].iv[2] = 0;
+  tmps[gid].iv[3] = 0;
 }
 
 KERNEL_FQ void m12500_loop (KERN_ATTR_TMPS_ESALT (rar3_tmp_t, pbkdf2_sha1_t))
@@ -175,62 +855,106 @@ KERNEL_FQ void m12500_loop (KERN_ATTR_TMPS_ESALT (rar3_tmp_t, pbkdf2_sha1_t))
 
   const u32 pw_len = pws[gid].pw_len;
 
-  u32 w[64] = { 0 };
+  const u32 salt_len = 8;
 
-  for (u32 i = 0, idx = 0; i < pw_len; i += 4, idx += 1)
+  const u32 pw_salt_len = (pw_len * 2) + salt_len;
+
+  const u32 p3 = pw_salt_len + 3;
+
+  u32 w[80] = { 0 }; // 64 byte aligned
+
+  for (u32 i = 0; i < 66; i++) // unroll ?
   {
-    w[idx] = pws[gid].i[idx];
+    w[i] = tmps[gid].w[i];
   }
 
-  u32 salt_buf[16];
+  // update IV:
-
-  salt_buf[ 0] = salt_bufs[salt_pos].salt_buf[0];
-  salt_buf[ 1] = salt_bufs[salt_pos].salt_buf[1];
-  salt_buf[ 2] = 0;
-  salt_buf[ 3] = 0;
-  salt_buf[ 4] = 0;
-  salt_buf[ 5] = 0;
-  salt_buf[ 6] = 0;
-  salt_buf[ 7] = 0;
-  salt_buf[ 8] = 0;
-  salt_buf[ 9] = 0;
-  salt_buf[10] = 0;
-  salt_buf[11] = 0;
-  salt_buf[12] = 0;
-  salt_buf[13] = 0;
-  salt_buf[14] = 0;
-  salt_buf[15] = 0;
-
-  const u32 salt_len = 8;
 
   const u32 init_pos = loop_pos / (ROUNDS / 16);
 
+  sha1_ctx_t ctx_iv;
+
+  sha1_init (&ctx_iv);
+
+  ctx_iv.h[0] = tmps[gid].dgst[0];
+  ctx_iv.h[1] = tmps[gid].dgst[1];
+  ctx_iv.h[2] = tmps[gid].dgst[2];
+  ctx_iv.h[3] = tmps[gid].dgst[3];
+  ctx_iv.h[4] = tmps[gid].dgst[4];
+
+  ctx_iv.len = loop_pos * p3;
+
+  sha1_update_rar29 (&ctx_iv, w, pw_salt_len);
+
+  memcat8c_be (ctx_iv.w0, ctx_iv.w1, ctx_iv.w2, ctx_iv.w3, ctx_iv.len, hc_swap32_S (loop_pos), ctx_iv.h);
+
+  ctx_iv.len += 3;
+
+
+  // copy the context from ctx_iv to ctx:
+
   sha1_ctx_t ctx;
 
-  sha1_init (&ctx);
+  ctx.h[0] = ctx_iv.h[0];
+  ctx.h[1] = ctx_iv.h[1];
+  ctx.h[2] = ctx_iv.h[2];
+  ctx.h[3] = ctx_iv.h[3];
+  ctx.h[4] = ctx_iv.h[4];
 
-  ctx.h[0] = tmps[gid].dgst[init_pos][0];
+  ctx.w0[0] = ctx_iv.w0[0];
-  ctx.h[1] = tmps[gid].dgst[init_pos][1];
+  ctx.w0[1] = ctx_iv.w0[1];
-  ctx.h[2] = tmps[gid].dgst[init_pos][2];
+  ctx.w0[2] = ctx_iv.w0[2];
-  ctx.h[3] = tmps[gid].dgst[init_pos][3];
+  ctx.w0[3] = ctx_iv.w0[3];
-  ctx.h[4] = tmps[gid].dgst[init_pos][4];
 
-  for (u32 i = 0, j = loop_pos; i < 16384; i++, j++)
+  ctx.w1[0] = ctx_iv.w1[0];
+  ctx.w1[1] = ctx_iv.w1[1];
+  ctx.w1[2] = ctx_iv.w1[2];
+  ctx.w1[3] = ctx_iv.w1[3];
+
+  ctx.w2[0] = ctx_iv.w2[0];
+  ctx.w2[1] = ctx_iv.w2[1];
+  ctx.w2[2] = ctx_iv.w2[2];
+  ctx.w2[3] = ctx_iv.w2[3];
+
+  ctx.w3[0] = ctx_iv.w3[0];
+  ctx.w3[1] = ctx_iv.w3[1];
+  ctx.w3[2] = ctx_iv.w3[2];
+  ctx.w3[3] = ctx_iv.w3[3];
+
+  ctx.len = p3; // or ctx_iv.len ?
+
+  // final () for the IV byte:
+
+  sha1_final (&ctx_iv);
+
+  const u32 iv_idx = init_pos / 4;
+  const u32 iv_off = init_pos & 3;
+
+  tmps[gid].iv[iv_idx] |= (ctx_iv.h[4] & 0xff) << (iv_off << 3);
+
+  // main loop:
+
+  for (u32 i = 0, j = (loop_pos + 1); i < 16383; i++, j++)
   {
-    sha1_update_utf16le_swap (&ctx, w, pw_len);
+    sha1_update_rar29 (&ctx, w, pw_salt_len);
-
-    sha1_update_swap (&ctx, salt_buf, salt_len);
 
     memcat8c_be (ctx.w0, ctx.w1, ctx.w2, ctx.w3, ctx.len, hc_swap32_S (j), ctx.h);
 
     ctx.len += 3;
   }
 
-  tmps[gid].dgst[init_pos + 1][0] = ctx.h[0];
+  tmps[gid].dgst[0] = ctx.h[0];
-  tmps[gid].dgst[init_pos + 1][1] = ctx.h[1];
+  tmps[gid].dgst[1] = ctx.h[1];
-  tmps[gid].dgst[init_pos + 1][2] = ctx.h[2];
+  tmps[gid].dgst[2] = ctx.h[2];
-  tmps[gid].dgst[init_pos + 1][3] = ctx.h[3];
+  tmps[gid].dgst[3] = ctx.h[3];
-  tmps[gid].dgst[init_pos + 1][4] = ctx.h[4];
+  tmps[gid].dgst[4] = ctx.h[4];
+
+  // only needed if pw_len > 28:
+
+  for (u32 i = 0; i < 66; i++) // unroll ?
+  {
+    tmps[gid].w[i] = w[i];
+  }
 }
 
 KERNEL_FQ void m12500_comp (KERN_ATTR_TMPS_ESALT (rar3_tmp_t, pbkdf2_sha1_t))
@@ -298,43 +1022,19 @@ KERNEL_FQ void m12500_comp (KERN_ATTR_TMPS_ESALT (rar3_tmp_t, pbkdf2_sha1_t))
 
   const u32 pw_len = pws[gid].pw_len;
 
-  u32 w[64] = { 0 };
-
-  for (u32 i = 0, idx = 0; i < pw_len; i += 4, idx += 1)
-  {
-    w[idx] = pws[gid].i[idx];
-  }
-
-  u32 salt_buf[16];
-
-  salt_buf[ 0] = salt_bufs[salt_pos].salt_buf[0];
-  salt_buf[ 1] = salt_bufs[salt_pos].salt_buf[1];
-  salt_buf[ 2] = 0;
-  salt_buf[ 3] = 0;
-  salt_buf[ 4] = 0;
-  salt_buf[ 5] = 0;
-  salt_buf[ 6] = 0;
-  salt_buf[ 7] = 0;
-  salt_buf[ 8] = 0;
-  salt_buf[ 9] = 0;
-  salt_buf[10] = 0;
-  salt_buf[11] = 0;
-  salt_buf[12] = 0;
-  salt_buf[13] = 0;
-  salt_buf[14] = 0;
-  salt_buf[15] = 0;
-
   const u32 salt_len = 8;
 
-  const u32 p3 = (pw_len * 2) + salt_len + 3;
+  const u32 pw_salt_len = (pw_len * 2) + salt_len;
+
+  const u32 p3 = pw_salt_len + 3;
 
   u32 h[5];
 
-  h[0] = tmps[gid].dgst[16][0];
+  h[0] = tmps[gid].dgst[0];
-  h[1] = tmps[gid].dgst[16][1];
+  h[1] = tmps[gid].dgst[1];
-  h[2] = tmps[gid].dgst[16][2];
+  h[2] = tmps[gid].dgst[2];
-  h[3] = tmps[gid].dgst[16][3];
+  h[3] = tmps[gid].dgst[3];
-  h[4] = tmps[gid].dgst[16][4];
+  h[4] = tmps[gid].dgst[4];
 
   u32 w0[4];
   u32 w1[4];
@@ -382,46 +1082,13 @@ KERNEL_FQ void m12500_comp (KERN_ATTR_TMPS_ESALT (rar3_tmp_t, pbkdf2_sha1_t))
 
   AES128_decrypt (ks, data, out, s_td0, s_td1, s_td2, s_td3, s_td4);
 
-  u32 iv[4];
+  u32 iv[2];
 
-  iv[0] = 0;
+  iv[0] = tmps[gid].iv[0];
-  iv[1] = 0;
+  iv[1] = tmps[gid].iv[1];
-  iv[2] = 0;
-  iv[3] = 0;
-
-  for (int i = 0; i < 16; i++)
-  {
-    sha1_ctx_t ctx;
-
-    sha1_init (&ctx);
-
-    ctx.h[0] = tmps[gid].dgst[i][0];
-    ctx.h[1] = tmps[gid].dgst[i][1];
-    ctx.h[2] = tmps[gid].dgst[i][2];
-    ctx.h[3] = tmps[gid].dgst[i][3];
-    ctx.h[4] = tmps[gid].dgst[i][4];
-
-    const u32 iter_pos = i * (ROUNDS / 16);
-
-    ctx.len = iter_pos * p3;
-
-    sha1_update_utf16le_swap (&ctx, w, pw_len);
-
-    sha1_update_swap (&ctx, salt_buf, salt_len);
-
-    memcat8c_be (ctx.w0, ctx.w1, ctx.w2, ctx.w3, ctx.len, hc_swap32_S (iter_pos), ctx.h);
-
-    ctx.len += 3;
-
-    sha1_final (&ctx);
-
-    PUTCHAR (iv, i, ctx.h[4] & 0xff);
-  }
 
   out[0] ^= hc_swap32_S (iv[0]);
   out[1] ^= hc_swap32_S (iv[1]);
-  out[2] ^= hc_swap32_S (iv[2]);
-  out[3] ^= hc_swap32_S (iv[3]);
 
   const u32 r0 = out[0];
   const u32 r1 = out[1];

docs/changes.txt

@@ -88,6 +88,7 @@
 - Fixed cracking of Cisco-PIX and Cisco-ASA MD5 passwords in mask-attack mode if mask > length 16
 - Fixed cracking of Electrum Wallet Salt-Type 2 hashes
 - Fixed cracking of NetNTLMv1 passwords in mask-attack mode if mask > length 16 (optimized kernels only)
+- Fixed cracking of RAR3-hp hashes with passwords longer than 28 bytes with pure kernel
 - Fixed cracking of VeraCrypt Streebog-512 hashes (CPU only)
 - Fixed cracking raw Streebog-HMAC 256 and 512 hashes with password of length >= 64
 - Fixed cracking raw Whirlpool hashes cracking with password of length >= 32

src/modules/module_12500.c

@@ -42,16 +42,33 @@ const char *module_st_pass        (MAYBE_UNUSED const hashconfig_t *hashconfig,
 
 typedef struct rar3_tmp
 {
-  u32 dgst[17][5];
+  u32 dgst[5];
+
+  u32 w[66]; // 256 byte pass + 8 byte salt
+
+  u32 iv[4];
 
 } rar3_tmp_t;
 
+typedef struct rar3_tmp_optimized
+{
+  u32 dgst[17][5];
+
+} rar3_tmp_optimized_t;
+
 static const int   ROUNDS_RAR3    = 262144;
 static const char *SIGNATURE_RAR3 = "$RAR3$";
 
 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 (rar3_tmp_t);
+  const bool optimized_kernel = (hashconfig->opti_type & OPTI_TYPE_OPTIMIZED_KERNEL);
+
+  u64 tmp_size = (u64) sizeof (rar3_tmp_t);
+
+  if (optimized_kernel == true)
+  {
+    tmp_size = (u64) sizeof (rar3_tmp_optimized_t);
+  }
 
   return tmp_size;
 }
@@ -74,7 +91,7 @@ u32 module_pw_max (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED con
 {
   const bool optimized_kernel = (hashconfig->opti_type & OPTI_TYPE_OPTIMIZED_KERNEL);
 
-  u32 pw_max = PW_MAX;
+  u32 pw_max = 127;
 
   if (optimized_kernel == true)
   {

tools/test_modules/m12500.pm

@@ -0,0 +1,405 @@
+#!/usr/bin/env perl
+
+##
+## Author......: See docs/credits.txt
+## License.....: MIT
+##
+
+use strict;
+use warnings;
+
+use Digest::SHA;
+use Crypt::CBC;
+use Encode;
+
+sub module_constraints { [[0, 127], [8, 8], [0, 20], [8, 8], [-1, -1]] }
+
+my $ITERATIONS = 0x40000;
+
+my $FIXED_RAW_STRING = pack ("H*", "c43d7b00400700000000000000000000");
+
+my $SHA1C00 = 0x5a827999;
+my $SHA1C01 = 0x6ed9eba1;
+my $SHA1C02 = 0x8f1bbcdc;
+my $SHA1C03 = 0xca62c1d6;
+
+my $SHA1M_A = 0x67452301;
+my $SHA1M_B = 0xefcdab89;
+my $SHA1M_C = 0x98badcfe;
+my $SHA1M_D = 0x10325476;
+my $SHA1M_E = 0xc3d2e1f0;
+
+sub rotl32
+{
+  my $x = shift;
+  my $n = shift;
+
+  return (($x << $n) | ($x >> (32 - $n))) & 0xffffffff;
+}
+
+sub blk
+{
+  my $b = shift;
+  my $i = shift;
+
+  $$b[$i & 15] = rotl32 ($$b[($i + 13) & 15] ^
+                         $$b[($i +  8) & 15] ^
+                         $$b[($i +  2) & 15] ^
+                         $$b[($i +  0) & 15], 1);
+
+  return $$b[$i & 15];
+}
+
+sub R0
+{
+  my ($b, $v, $w, $x, $y, $z, $i) = @_;
+
+  $$b[$i] = unpack ("L<", pack ("L>", $$b[$i])); # blk0 or just swap_byte32 ()
+
+  $z += (($w & ($x ^ $y)) ^ $y) + $$b[$i] + $SHA1C00 + rotl32 ($v, 5);
+
+  $z &= 0xffffffff;
+
+  $w = rotl32 ($w, 30);
+
+  return ($z, $w);
+}
+
+sub R1
+{
+  my ($b, $v, $w, $x, $y, $z, $i) = @_;
+
+  $z += (($w & ($x ^ $y)) ^ $y) + blk ($b, $i) + $SHA1C00 + rotl32 ($v, 5);
+
+  $z &= 0xffffffff;
+
+  $w = rotl32 ($w, 30);
+
+  return ($z, $w);
+}
+
+sub R2
+{
+  my ($b, $v, $w, $x, $y, $z, $i) = @_;
+
+  $z += ($w ^ $x ^ $y) + blk ($b, $i) + $SHA1C01 + rotl32 ($v, 5);
+
+  $z &= 0xffffffff;
+
+  $w = rotl32 ($w, 30);
+
+  return ($z, $w);
+}
+
+sub R3
+{
+  my ($b, $v, $w, $x, $y, $z, $i) = @_;
+
+  $z += ((($w | $x) & $y) | ($w & $x)) + blk ($b, $i) + $SHA1C02 + rotl32 ($v, 5);
+
+  $z &= 0xffffffff;
+
+  $w = rotl32 ($w, 30);
+
+  return ($z, $w);
+}
+
+sub R4
+{
+  my ($b, $v, $w, $x, $y, $z, $i) = @_;
+
+  $z += ($w ^ $x ^ $y) + blk ($b, $i) + $SHA1C03 + rotl32 ($v, 5);
+
+  $z &= 0xffffffff;
+
+  $w = rotl32 ($w, 30);
+
+  return ($z, $w);
+}
+
+sub sha1_transform
+{
+  my ($state, $buffer) = @_;
+
+  my @block = unpack ("L<*", $$buffer);
+
+  my $a = $$state[0];
+  my $b = $$state[1];
+  my $c = $$state[2];
+  my $d = $$state[3];
+  my $e = $$state[4];
+
+  ($e, $b) = R0 (\@block, $a, $b, $c, $d, $e,  0);
+  ($d, $a) = R0 (\@block, $e, $a, $b, $c, $d,  1);
+  ($c, $e) = R0 (\@block, $d, $e, $a, $b, $c,  2);
+  ($b, $d) = R0 (\@block, $c, $d, $e, $a, $b,  3);
+
+  ($a, $c) = R0 (\@block, $b, $c, $d, $e, $a,  4);
+  ($e, $b) = R0 (\@block, $a, $b, $c, $d, $e,  5);
+  ($d, $a) = R0 (\@block, $e, $a, $b, $c, $d,  6);
+  ($c, $e) = R0 (\@block, $d, $e, $a, $b, $c,  7);
+
+  ($b, $d) = R0 (\@block, $c, $d, $e, $a, $b,  8);
+  ($a, $c) = R0 (\@block, $b, $c, $d, $e, $a,  9);
+  ($e, $b) = R0 (\@block, $a, $b, $c, $d, $e, 10);
+  ($d, $a) = R0 (\@block, $e, $a, $b, $c, $d, 11);
+
+  ($c, $e) = R0 (\@block, $d, $e, $a, $b, $c, 12);
+  ($b, $d) = R0 (\@block, $c, $d, $e, $a, $b, 13);
+  ($a, $c) = R0 (\@block, $b, $c, $d, $e, $a, 14);
+  ($e, $b) = R0 (\@block, $a, $b, $c, $d, $e, 15);
+
+  ($d, $a) = R1 (\@block, $e, $a, $b, $c, $d, 16);
+  ($c, $e) = R1 (\@block, $d, $e, $a, $b, $c, 17);
+  ($b, $d) = R1 (\@block, $c, $d, $e, $a, $b, 18);
+  ($a, $c) = R1 (\@block, $b, $c, $d, $e, $a, 19);
+
+  ($e, $b) = R2 (\@block, $a, $b, $c, $d, $e, 20);
+  ($d, $a) = R2 (\@block, $e, $a, $b, $c, $d, 21);
+  ($c, $e) = R2 (\@block, $d, $e, $a, $b, $c, 22);
+  ($b, $d) = R2 (\@block, $c, $d, $e, $a, $b, 23);
+
+  ($a, $c) = R2 (\@block, $b, $c, $d, $e, $a, 24);
+  ($e, $b) = R2 (\@block, $a, $b, $c, $d, $e, 25);
+  ($d, $a) = R2 (\@block, $e, $a, $b, $c, $d, 26);
+  ($c, $e) = R2 (\@block, $d, $e, $a, $b, $c, 27);
+
+  ($b, $d) = R2 (\@block, $c, $d, $e, $a, $b, 28);
+  ($a, $c) = R2 (\@block, $b, $c, $d, $e, $a, 29);
+  ($e, $b) = R2 (\@block, $a, $b, $c, $d, $e, 30);
+  ($d, $a) = R2 (\@block, $e, $a, $b, $c, $d, 31);
+
+  ($c, $e) = R2 (\@block, $d, $e, $a, $b, $c, 32);
+  ($b, $d) = R2 (\@block, $c, $d, $e, $a, $b, 33);
+  ($a, $c) = R2 (\@block, $b, $c, $d, $e, $a, 34);
+  ($e, $b) = R2 (\@block, $a, $b, $c, $d, $e, 35);
+
+  ($d, $a) = R2 (\@block, $e, $a, $b, $c, $d, 36);
+  ($c, $e) = R2 (\@block, $d, $e, $a, $b, $c, 37);
+  ($b, $d) = R2 (\@block, $c, $d, $e, $a, $b, 38);
+  ($a, $c) = R2 (\@block, $b, $c, $d, $e, $a, 39);
+
+  ($e, $b) = R3 (\@block, $a, $b, $c, $d, $e, 40);
+  ($d, $a) = R3 (\@block, $e, $a, $b, $c, $d, 41);
+  ($c, $e) = R3 (\@block, $d, $e, $a, $b, $c, 42);
+  ($b, $d) = R3 (\@block, $c, $d, $e, $a, $b, 43);
+
+  ($a, $c) = R3 (\@block, $b, $c, $d, $e, $a, 44);
+  ($e, $b) = R3 (\@block, $a, $b, $c, $d, $e, 45);
+  ($d, $a) = R3 (\@block, $e, $a, $b, $c, $d, 46);
+  ($c, $e) = R3 (\@block, $d, $e, $a, $b, $c, 47);
+
+  ($b, $d) = R3 (\@block, $c, $d, $e, $a, $b, 48);
+  ($a, $c) = R3 (\@block, $b, $c, $d, $e, $a, 49);
+  ($e, $b) = R3 (\@block, $a, $b, $c, $d, $e, 50);
+  ($d, $a) = R3 (\@block, $e, $a, $b, $c, $d, 51);
+
+  ($c, $e) = R3 (\@block, $d, $e, $a, $b, $c, 52);
+  ($b, $d) = R3 (\@block, $c, $d, $e, $a, $b, 53);
+  ($a, $c) = R3 (\@block, $b, $c, $d, $e, $a, 54);
+  ($e, $b) = R3 (\@block, $a, $b, $c, $d, $e, 55);
+
+  ($d, $a) = R3 (\@block, $e, $a, $b, $c, $d, 56);
+  ($c, $e) = R3 (\@block, $d, $e, $a, $b, $c, 57);
+  ($b, $d) = R3 (\@block, $c, $d, $e, $a, $b, 58);
+  ($a, $c) = R3 (\@block, $b, $c, $d, $e, $a, 59);
+
+  ($e, $b) = R4 (\@block, $a, $b, $c, $d, $e, 60);
+  ($d, $a) = R4 (\@block, $e, $a, $b, $c, $d, 61);
+  ($c, $e) = R4 (\@block, $d, $e, $a, $b, $c, 62);
+  ($b, $d) = R4 (\@block, $c, $d, $e, $a, $b, 63);
+
+  ($a, $c) = R4 (\@block, $b, $c, $d, $e, $a, 64);
+  ($e, $b) = R4 (\@block, $a, $b, $c, $d, $e, 65);
+  ($d, $a) = R4 (\@block, $e, $a, $b, $c, $d, 66);
+  ($c, $e) = R4 (\@block, $d, $e, $a, $b, $c, 67);
+
+  ($b, $d) = R4 (\@block, $c, $d, $e, $a, $b, 68);
+  ($a, $c) = R4 (\@block, $b, $c, $d, $e, $a, 69);
+  ($e, $b) = R4 (\@block, $a, $b, $c, $d, $e, 70);
+  ($d, $a) = R4 (\@block, $e, $a, $b, $c, $d, 71);
+
+  ($c, $e) = R4 (\@block, $d, $e, $a, $b, $c, 72);
+  ($b, $d) = R4 (\@block, $c, $d, $e, $a, $b, 73);
+  ($a, $c) = R4 (\@block, $b, $c, $d, $e, $a, 74);
+  ($e, $b) = R4 (\@block, $a, $b, $c, $d, $e, 75);
+
+  ($d, $a) = R4 (\@block, $e, $a, $b, $c, $d, 76);
+  ($c, $e) = R4 (\@block, $d, $e, $a, $b, $c, 77);
+  ($b, $d) = R4 (\@block, $c, $d, $e, $a, $b, 78);
+  ($a, $c) = R4 (\@block, $b, $c, $d, $e, $a, 79);
+
+  $$state[0] = ($$state[0] + $a) & 0xffffffff;
+  $$state[1] = ($$state[1] + $b) & 0xffffffff;
+  $$state[2] = ($$state[2] + $c) & 0xffffffff;
+  $$state[3] = ($$state[3] + $d) & 0xffffffff;
+  $$state[4] = ($$state[4] + $e) & 0xffffffff;
+
+  $$buffer = pack ("L<*", @block);
+}
+
+sub sha1_getstate
+{
+  my $ctx = shift;
+
+  my $info = $ctx->getstate;
+
+  # state:
+
+  my $idx = index ($info, "H:");
+
+  my $state = substr ($info, $idx + 2, 44);
+
+  $state =~ s/://g;
+
+  my @state_arr = unpack ("L>*", pack ("H*", $state));
+
+  # block:
+
+  $idx = index ($info, "block:");
+
+  my $block = substr ($info, $idx + 6, 191);
+
+  $block =~ s/://g;
+
+  $block = pack ("H*", $block);
+
+
+  return (\@state_arr, $block);
+}
+
+sub sha1_update_rar29
+{
+  my $ctx   = shift;
+  my $data  = shift;
+  my $len   = shift;
+  my $count = shift;
+
+  my $ctx_orig = $ctx->clone;
+
+  $ctx->add ($$data);
+
+
+  # two early exits from this function, if (strange data) manipulation is not needed:
+
+  my $j = $count & 63;
+
+  return if (($j + $len) <= 63);
+
+
+  my $i = 64 - $j;
+
+  return if (($i + 63) >= $len);
+
+
+  # proceed with updating $data:
+
+  my ($state, $block) = sha1_getstate ($ctx_orig);
+
+
+  substr ($block, $j, $i) = substr ($$data, 0, $i);
+
+  sha1_transform ($state, \$block);
+
+
+  while (($i + 63) < $len)
+  {
+    my $workspace = substr ($$data, $i, 64);
+
+    sha1_transform ($state, \$workspace);
+
+    substr ($$data, $i, 64) = $workspace;
+
+    $i += 64;
+  }
+}
+
+sub module_generate_hash
+{
+  my $pass = shift;
+  my $salt = shift;
+
+  # convert to utf16le:
+
+  my $buf = encode ("UTF-16LE", $pass);
+
+  # add the salt to the password buffer:
+
+  $buf .= $salt;
+
+  my $len = length ($buf);
+
+  my $count = 0;
+
+  my $ctx = Digest::SHA->new ('SHA1');
+
+  my $iv = "";
+
+  # main loop:
+
+  for (my $i = 0; $i < $ITERATIONS; $i++)
+  {
+    sha1_update_rar29 ($ctx, \$buf, $len, $count);
+
+    $count += $len;
+
+    my $pos = substr (pack ("L<", $i), 0, 3);
+
+    $ctx->add ($pos);
+
+    $count += 3;
+
+    if (($i & 0x3fff) == 0)
+    {
+      my $dgst = $ctx->clone->digest;
+
+      $iv .= substr ($dgst, 19, 1);
+    }
+  }
+
+  my $k = $ctx->digest;
+
+  $k = pack ("L<*", unpack ("L>4", $k)); # byte swap the first 4 * 4 = 16 bytes
+
+  my $aes = Crypt::CBC->new (
+    -cipher      => "Crypt::Rijndael",
+    -key         => $k,
+    -iv          => $iv,
+    -keysize     => 16,
+    -literal_key => 1,
+    -header      => 'none');
+
+  my $hash = $aes->encrypt ($FIXED_RAW_STRING);
+
+  return sprintf ("\$RAR3\$*0*%s*%s", unpack ("H*", $salt), unpack ("H*", substr ($hash, 0, 16)));
+}
+
+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, $idx + 1);
+
+  return if (substr ($hash, 0, 9) ne "\$RAR3\$*0*");
+
+  $idx = index ($hash, '*', 9);
+
+  return if ($idx < 1);
+
+  my $salt = substr ($hash, 9, $idx - 9);
+
+  $salt = pack ("H*", $salt);
+
+  my $word_packed = pack_if_HEX_notation ($word);
+
+  my $new_hash = module_generate_hash ($word_packed, $salt);
+
+  return ($new_hash, $word);
+}
+
+1;