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Rewrite -m 32700 to use salt_iter and loop kernel as expected in slow hash modes
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@ -16,10 +16,13 @@
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typedef struct sha1_tmp
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{
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u32 digest[5];
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u32 salt[2];
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u32 newdes_key[15];
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} sha1_tmp_t;
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CONSTANT_VK uchar newdes_rotor[256] = {
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CONSTANT_VK uchar newdes_rotor[256] =
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{
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32, 137, 239, 188, 102, 125, 221, 72, 212, 68, 81, 37, 86, 237, 147, 149,
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70, 229, 17, 124, 115, 207, 33, 20, 122, 143, 25, 215, 51, 183, 138, 142,
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146, 211, 110, 173, 1, 228, 189, 14, 103, 78, 162, 36, 253, 167, 116, 255,
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@ -40,16 +43,14 @@ CONSTANT_VK uchar newdes_rotor[256] = {
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DECLSPEC void new_des (uchar * block, uchar * newdes_key)
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{
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#define B0 (*block)
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#define B1 (*(block+1))
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#define B2 (*(block+2))
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#define B3 (*(block+3))
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#define B4 (*(block+4))
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#define B5 (*(block+5))
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#define B6 (*(block+6))
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#define B7 (*(block+7))
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#define B0 (*(block+0))
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#define B1 (*(block+1))
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#define B2 (*(block+2))
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#define B3 (*(block+3))
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#define B4 (*(block+4))
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#define B5 (*(block+5))
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#define B6 (*(block+6))
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#define B7 (*(block+7))
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for (int count = 0; count < 8; count++)
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{
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@ -89,8 +90,7 @@ KERNEL_FQ void m32700_init (KERN_ATTR_TMPS (sha1_tmp_t))
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{
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const u64 gid = get_global_id (0);
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if (gid >= GID_CNT)
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return;
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if (gid >= GID_CNT) return;
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// Initial "SHA-1" (with endianness bug)
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sha1_ctx_t ctx;
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@ -99,44 +99,72 @@ KERNEL_FQ void m32700_init (KERN_ATTR_TMPS (sha1_tmp_t))
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sha1_update_global_swap (&ctx, pws[gid].i, pws[gid].pw_len);
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sha1_final (&ctx);
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tmps[gid].digest[0] = hc_swap32 (ctx.h[0]);
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tmps[gid].digest[1] = hc_swap32 (ctx.h[1]);
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tmps[gid].digest[2] = hc_swap32 (ctx.h[2]);
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tmps[gid].digest[3] = hc_swap32 (ctx.h[3]);
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tmps[gid].digest[4] = hc_swap32 (ctx.h[4]);
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ctx.h[0] = hc_swap32_S (ctx.h[0]);
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ctx.h[1] = hc_swap32_S (ctx.h[1]);
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ctx.h[2] = hc_swap32_S (ctx.h[2]);
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ctx.h[3] = hc_swap32_S (ctx.h[3]);
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ctx.h[4] = hc_swap32_S (ctx.h[4]);
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// Crate a NewDES key
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u32 newdes_key[15];
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key_expansion ((uchar *) ctx.h, (uchar *) newdes_key);
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for (int i = 0; i < 15; i++)
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{
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tmps[gid].newdes_key[i] = newdes_key[i];
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}
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// Run NewDES on salt using the expanded key
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tmps[gid].salt[0] = salt_bufs[SALT_POS_HOST].salt_buf[0];
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tmps[gid].salt[1] = salt_bufs[SALT_POS_HOST].salt_buf[1];
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}
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KERNEL_FQ void m32700_loop (KERN_ATTR_TMPS (sha1_tmp_t))
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{
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const u64 gid = get_global_id (0);
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if (gid >= GID_CNT)
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return;
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if (gid >= GID_CNT) return;
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u32 digest[5];
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u32 newdes_key[15];
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digest[0] = tmps[gid].digest[0];
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digest[1] = tmps[gid].digest[1];
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digest[2] = tmps[gid].digest[2];
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digest[3] = tmps[gid].digest[3];
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digest[4] = tmps[gid].digest[4];
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for (int i = 0; i < 15; i++)
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{
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newdes_key[i] = tmps[gid].newdes_key[i];
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}
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// Crate a NewDES key
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uchar newdes_key[60];
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u32 salt[2];
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key_expansion ((uchar *) digest, newdes_key);
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// Run NewDES on salt using the expanded key
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u32 salt[16] = { 0 }; // sha1_update_swap needs more space then our 8 byte salt; This seem to work!
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salt[0] = salt_bufs[SALT_POS_HOST].salt_buf[0];
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salt[1] = salt_bufs[SALT_POS_HOST].salt_buf[1];
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salt[0] = tmps[gid].salt[0];
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salt[1] = tmps[gid].salt[1];
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// Run 1000 iterations of NewDES on the derived salt
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for (int i = 0; i < 1000; i++)
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for (int i = 0; i < LOOP_CNT; i++)
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{
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new_des ((uchar *) salt, newdes_key);
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new_des ((uchar *) salt, (uchar *) newdes_key);
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}
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for (int i = 0; i < 15; i++)
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{
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tmps[gid].newdes_key[i] = newdes_key[i];
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}
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// Run NewDES on salt using the expanded key
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tmps[gid].salt[0] = salt[0];
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tmps[gid].salt[1] = salt[1];
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}
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KERNEL_FQ void m32700_comp (KERN_ATTR_TMPS (sha1_tmp_t))
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{
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const u64 gid = get_global_id (0);
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if (gid >= GID_CNT) return;
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u32 salt[16] = { 0 };
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salt[0] = tmps[gid].salt[0];
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salt[1] = tmps[gid].salt[1];
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// Final "SHA-1" (with endianness bug)
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sha1_ctx_t ctx;
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@ -145,28 +173,14 @@ KERNEL_FQ void m32700_loop (KERN_ATTR_TMPS (sha1_tmp_t))
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sha1_update_global_swap (&ctx, pws[gid].i, pws[gid].pw_len);
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sha1_final (&ctx);
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tmps[gid].digest[0] = ctx.h[0];
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tmps[gid].digest[1] = ctx.h[1];
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tmps[gid].digest[2] = ctx.h[2];
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tmps[gid].digest[3] = ctx.h[3];
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tmps[gid].digest[4] = ctx.h[4];
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}
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KERNEL_FQ void m32700_comp (KERN_ATTR_TMPS (sha1_tmp_t))
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{
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const u64 gid = get_global_id (0);
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if (gid >= GID_CNT)
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return;
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const u32 r0 = tmps[gid].digest[DGST_R0];
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const u32 r1 = tmps[gid].digest[DGST_R1];
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const u32 r2 = tmps[gid].digest[DGST_R2];
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const u32 r3 = tmps[gid].digest[DGST_R3];
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#define il_pos 0
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#ifdef KERNEL_STATIC
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#include COMPARE_M
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#endif
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const u32 r0 = ctx.h[0];
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const u32 r1 = ctx.h[1];
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const u32 r2 = ctx.h[2];
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const u32 r3 = ctx.h[3];
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#define il_pos 0
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#ifdef KERNEL_STATIC
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#include COMPARE_M
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#endif
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}
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@ -11,10 +11,10 @@
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#include "shared.h"
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static const u32 ATTACK_EXEC = ATTACK_EXEC_OUTSIDE_KERNEL;
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static const u32 DGST_POS0 = 3;
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static const u32 DGST_POS1 = 4;
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static const u32 DGST_POS0 = 0;
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static const u32 DGST_POS1 = 1;
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static const u32 DGST_POS2 = 2;
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static const u32 DGST_POS3 = 1;
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static const u32 DGST_POS3 = 3;
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static const u32 DGST_SIZE = DGST_SIZE_4_5;
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static const u32 HASH_CATEGORY = HASH_CATEGORY_ARCHIVE;
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static const char *HASH_NAME = "Kremlin Encrypt 3.0 w/NewDES";
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@ -25,6 +25,13 @@ static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED;
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static const char *ST_PASS = "hashcat";
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static const char *ST_HASH = "$kgb$0ab30cf7a52dad93$82a7c454246fc7570224e9f24279791aa2a63bf4";
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typedef struct sha1_tmp
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{
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u32 salt[2];
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u32 newdes_key[15];
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} sha1_tmp_t;
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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)
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{
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return ATTACK_EXEC;
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@ -145,7 +152,7 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t * hashconfig, MAYBE_UNUS
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salt->salt_buf[i] = hex_to_u32 (salt_pos + j);
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}
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salt->salt_len = 8;
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salt->salt_iter = 1;
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salt->salt_iter = 1000;
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// final "sha-1"-ish hash
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const u8 *hash_pos = token.buf[2];
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@ -180,7 +187,7 @@ int module_hash_encode (MAYBE_UNUSED const hashconfig_t * hashconfig, MAYBE_UNUS
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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)
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{
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const u64 tmp_size = (const u64) sizeof (u32) * 5;
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const u64 tmp_size = (const u64) sizeof (sha1_tmp_t);
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return tmp_size;
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}
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