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577 lines
15 KiB
Common Lisp
577 lines
15 KiB
Common Lisp
/**
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* Author......: See docs/credits.txt
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* License.....: MIT
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*/
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#define NEW_SIMD_CODE
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#ifdef KERNEL_STATIC
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#include "inc_vendor.h"
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#include "inc_types.h"
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#include "inc_platform.cl"
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#include "inc_common.cl"
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#include "inc_simd.cl"
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#include "inc_hash_sha256.cl"
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#include "inc_cipher_aes.cl"
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#endif
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#define ITERATION_BITLOCKER 0x100000
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#define SALT_LEN_BITLOCKER 16
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#define IV_LEN_BITLOCKER 12
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#define DATA_LEN_BITLOCKER 60
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typedef struct bitlocker
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{
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u32 type;
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u32 iv[4];
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u32 data[15];
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u32 wb_ke_pc[ITERATION_BITLOCKER][48];
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} bitlocker_t;
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typedef struct bitlocker_tmp
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{
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u32 last_hash[8];
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u32 init_hash[8];
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} bitlocker_tmp_t;
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#ifdef REAL_SHM
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#define SHM_TYPE2 LOCAL_AS
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#else
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#define SHM_TYPE2 GLOBAL_AS const
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#endif
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DECLSPEC void sha256_transform_vector_pc (const u32x *w0, const u32x *w1, const u32x *w2, const u32x *w3, u32x *digest, SHM_TYPE2 u32 *s_wb_ke_pc)
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{
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u32x a = digest[0];
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u32x b = digest[1];
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u32x c = digest[2];
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u32x d = digest[3];
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u32x e = digest[4];
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u32x f = digest[5];
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u32x g = digest[6];
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u32x h = digest[7];
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u32x w0_t = w0[0];
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u32x w1_t = w0[1];
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u32x w2_t = w0[2];
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u32x w3_t = w0[3];
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u32x w4_t = w1[0];
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u32x w5_t = w1[1];
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u32x w6_t = w1[2];
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u32x w7_t = w1[3];
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u32x w8_t = w2[0];
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u32x w9_t = w2[1];
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u32x wa_t = w2[2];
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u32x wb_t = w2[3];
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u32x wc_t = w3[0];
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u32x wd_t = w3[1];
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u32x we_t = w3[2];
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u32x wf_t = w3[3];
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#define ROUND_EXPAND_PC(i) \
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{ \
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w0_t = s_wb_ke_pc[i + 0]; \
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w1_t = s_wb_ke_pc[i + 1]; \
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w2_t = s_wb_ke_pc[i + 2]; \
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w3_t = s_wb_ke_pc[i + 3]; \
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w4_t = s_wb_ke_pc[i + 4]; \
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w5_t = s_wb_ke_pc[i + 5]; \
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w6_t = s_wb_ke_pc[i + 6]; \
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w7_t = s_wb_ke_pc[i + 7]; \
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w8_t = s_wb_ke_pc[i + 8]; \
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w9_t = s_wb_ke_pc[i + 9]; \
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wa_t = s_wb_ke_pc[i + 10]; \
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wb_t = s_wb_ke_pc[i + 11]; \
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wc_t = s_wb_ke_pc[i + 12]; \
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wd_t = s_wb_ke_pc[i + 13]; \
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we_t = s_wb_ke_pc[i + 14]; \
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wf_t = s_wb_ke_pc[i + 15]; \
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}
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#define ROUND_STEP(i) \
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{ \
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SHA256_STEP (SHA256_F0o, SHA256_F1o, a, b, c, d, e, f, g, h, w0_t, k_sha256[i + 0]); \
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SHA256_STEP (SHA256_F0o, SHA256_F1o, h, a, b, c, d, e, f, g, w1_t, k_sha256[i + 1]); \
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SHA256_STEP (SHA256_F0o, SHA256_F1o, g, h, a, b, c, d, e, f, w2_t, k_sha256[i + 2]); \
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SHA256_STEP (SHA256_F0o, SHA256_F1o, f, g, h, a, b, c, d, e, w3_t, k_sha256[i + 3]); \
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SHA256_STEP (SHA256_F0o, SHA256_F1o, e, f, g, h, a, b, c, d, w4_t, k_sha256[i + 4]); \
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SHA256_STEP (SHA256_F0o, SHA256_F1o, d, e, f, g, h, a, b, c, w5_t, k_sha256[i + 5]); \
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SHA256_STEP (SHA256_F0o, SHA256_F1o, c, d, e, f, g, h, a, b, w6_t, k_sha256[i + 6]); \
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SHA256_STEP (SHA256_F0o, SHA256_F1o, b, c, d, e, f, g, h, a, w7_t, k_sha256[i + 7]); \
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SHA256_STEP (SHA256_F0o, SHA256_F1o, a, b, c, d, e, f, g, h, w8_t, k_sha256[i + 8]); \
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SHA256_STEP (SHA256_F0o, SHA256_F1o, h, a, b, c, d, e, f, g, w9_t, k_sha256[i + 9]); \
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SHA256_STEP (SHA256_F0o, SHA256_F1o, g, h, a, b, c, d, e, f, wa_t, k_sha256[i + 10]); \
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SHA256_STEP (SHA256_F0o, SHA256_F1o, f, g, h, a, b, c, d, e, wb_t, k_sha256[i + 11]); \
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SHA256_STEP (SHA256_F0o, SHA256_F1o, e, f, g, h, a, b, c, d, wc_t, k_sha256[i + 12]); \
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SHA256_STEP (SHA256_F0o, SHA256_F1o, d, e, f, g, h, a, b, c, wd_t, k_sha256[i + 13]); \
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SHA256_STEP (SHA256_F0o, SHA256_F1o, c, d, e, f, g, h, a, b, we_t, k_sha256[i + 14]); \
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SHA256_STEP (SHA256_F0o, SHA256_F1o, b, c, d, e, f, g, h, a, wf_t, k_sha256[i + 15]); \
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}
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ROUND_STEP (0);
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#ifdef _unroll
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#pragma unroll
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#endif
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for (int i = 16; i < 64; i += 16)
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{
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ROUND_EXPAND_PC (i - 16); ROUND_STEP (i);
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}
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#undef ROUND_EXPAND_PC
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#undef ROUND_STEP
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digest[0] += a;
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digest[1] += b;
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digest[2] += c;
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digest[3] += d;
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digest[4] += e;
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digest[5] += f;
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digest[6] += g;
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digest[7] += h;
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}
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KERNEL_FQ void m22100_init (KERN_ATTR_TMPS_ESALT (bitlocker_tmp_t, bitlocker_t))
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{
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/**
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* base
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*/
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const u64 gid = get_global_id (0);
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if (gid >= gid_max) return;
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// sha256 of utf16le converted password:
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sha256_ctx_t ctx0;
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sha256_init (&ctx0);
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sha256_update_global_utf16le_swap (&ctx0, pws[gid].i, pws[gid].pw_len);
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sha256_final (&ctx0);
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u32 w[16] = { 0 }; // 64 bytes blocks/aligned, we need 32 bytes
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w[0] = ctx0.h[0];
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w[1] = ctx0.h[1];
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w[2] = ctx0.h[2];
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w[3] = ctx0.h[3];
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w[4] = ctx0.h[4];
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w[5] = ctx0.h[5];
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w[6] = ctx0.h[6];
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w[7] = ctx0.h[7];
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// sha256 of sha256:
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sha256_ctx_t ctx1;
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sha256_init (&ctx1);
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sha256_update (&ctx1, w, 32);
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sha256_final (&ctx1);
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// set tmps:
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tmps[gid].init_hash[0] = ctx1.h[0];
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tmps[gid].init_hash[1] = ctx1.h[1];
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tmps[gid].init_hash[2] = ctx1.h[2];
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tmps[gid].init_hash[3] = ctx1.h[3];
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tmps[gid].init_hash[4] = ctx1.h[4];
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tmps[gid].init_hash[5] = ctx1.h[5];
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tmps[gid].init_hash[6] = ctx1.h[6];
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tmps[gid].init_hash[7] = ctx1.h[7];
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tmps[gid].last_hash[0] = 0;
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tmps[gid].last_hash[1] = 0;
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tmps[gid].last_hash[2] = 0;
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tmps[gid].last_hash[3] = 0;
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tmps[gid].last_hash[4] = 0;
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tmps[gid].last_hash[5] = 0;
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tmps[gid].last_hash[6] = 0;
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tmps[gid].last_hash[7] = 0;
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}
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KERNEL_FQ void m22100_loop (KERN_ATTR_TMPS_ESALT (bitlocker_tmp_t, bitlocker_t))
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{
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const u64 gid = get_global_id (0);
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const u64 lid = get_local_id (0);
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const u64 lsz = get_local_size (0);
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// init
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u32x w0[4];
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u32x w1[4];
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u32x w2[4];
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u32x w3[4];
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w0[0] = packv (tmps, last_hash, gid, 0); // last_hash
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w0[1] = packv (tmps, last_hash, gid, 1);
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w0[2] = packv (tmps, last_hash, gid, 2);
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w0[3] = packv (tmps, last_hash, gid, 3);
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w1[0] = packv (tmps, last_hash, gid, 4);
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w1[1] = packv (tmps, last_hash, gid, 5);
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w1[2] = packv (tmps, last_hash, gid, 6);
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w1[3] = packv (tmps, last_hash, gid, 7);
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w2[0] = packv (tmps, init_hash, gid, 0); // init_hash
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w2[1] = packv (tmps, init_hash, gid, 1);
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w2[2] = packv (tmps, init_hash, gid, 2);
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w2[3] = packv (tmps, init_hash, gid, 3);
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w3[0] = packv (tmps, init_hash, gid, 4);
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w3[1] = packv (tmps, init_hash, gid, 5);
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w3[2] = packv (tmps, init_hash, gid, 6);
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w3[3] = packv (tmps, init_hash, gid, 7);
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// salt to register
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u32x t0[4];
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u32x t1[4];
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u32x t2[4];
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u32x t3[4];
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t0[0] = salt_bufs[SALT_POS].salt_buf[0];
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t0[1] = salt_bufs[SALT_POS].salt_buf[1];
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t0[2] = salt_bufs[SALT_POS].salt_buf[2];
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t0[3] = salt_bufs[SALT_POS].salt_buf[3];
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t1[0] = 0;
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t1[1] = 0;
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t1[2] = 0x80000000;
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t1[3] = 0;
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t2[0] = 0;
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t2[1] = 0;
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t2[2] = 0;
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t2[3] = 0;
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t3[0] = 0;
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t3[1] = 0;
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t3[2] = 0;
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t3[3] = 88 * 8;
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/**
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* load FIXED_ITER_INCR full w[] precomputed KE buffers into shared memory since its all static data
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* in order for this to work we need to set a fixed loop count to FIXED_ITER_TOTAL in module
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*/
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#define FIXED_ITER_TOTAL 4096
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#define FIXED_ITER_INCR 8 // seems to be a good trade-off between memory reads and available registers
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#ifdef REAL_SHM
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LOCAL_VK u32 s_wb_ke_pc[FIXED_ITER_INCR][48];
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#else
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GLOBAL_AS const u32 (*s_wb_ke_pc)[48];
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#endif
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for (u32 t = 0; t < FIXED_ITER_TOTAL; t += FIXED_ITER_INCR)
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{
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#ifdef REAL_SHM
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/**
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* On NVIDIA, the __sync_threads() is not working as expected if called from inside a loop.
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* This is a unique situation across all hashcat kernels so far.
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* From CUDA manual:
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* __syncthreads() is allowed in conditional code but only if the conditional evaluates identically across the entire thread block,
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* otherwise the code execution is likely to hang or produce unintended side effects.
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* NVIDIA OpenCL runtime is also affected, but other OpenCL runtimes work as they should.
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* An workaround exists by disabling shared memory access. Speed drop is around 4%.
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* Another workaround is to let only a single thread do all the work while all other threads wait for it to finish. Speed drop is around 0.05%.
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// original code
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for (int i = lid; i < FIXED_ITER_INCR; i += lsz)
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{
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for (int j = 0; j < 48; j++) // first 16 set to register
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{
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s_wb_ke_pc[i][j] = esalt_bufs[DIGESTS_OFFSET].wb_ke_pc[loop_pos + t + i][j];
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}
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}
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*/
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if (lid == 0)
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{
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for (int i = 0; i < FIXED_ITER_INCR; i++)
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{
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for (int j = 0; j < 48; j++) // first 16 set to register
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{
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s_wb_ke_pc[i][j] = esalt_bufs[DIGESTS_OFFSET].wb_ke_pc[loop_pos + t + i][j];
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}
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}
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}
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SYNC_THREADS ();
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#else
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s_wb_ke_pc = &esalt_bufs[DIGESTS_OFFSET].wb_ke_pc[loop_pos + t];
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#endif
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// main loop
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for (u32 i = 0, j = loop_pos + t; i < FIXED_ITER_INCR; i++, j++)
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{
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u32x digest[8];
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digest[0] = SHA256M_A;
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digest[1] = SHA256M_B;
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digest[2] = SHA256M_C;
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digest[3] = SHA256M_D;
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digest[4] = SHA256M_E;
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digest[5] = SHA256M_F;
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digest[6] = SHA256M_G;
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digest[7] = SHA256M_H;
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sha256_transform_vector (w0, w1, w2, w3, digest);
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t1[0] = hc_swap32_S (j); // only moving part
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sha256_transform_vector_pc (t0, t1, t2, t3, digest, s_wb_ke_pc[i]);
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w0[0] = digest[0];
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w0[1] = digest[1];
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w0[2] = digest[2];
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w0[3] = digest[3];
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w1[0] = digest[4];
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w1[1] = digest[5];
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w1[2] = digest[6];
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w1[3] = digest[7];
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}
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}
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unpackv (tmps, last_hash, gid, 0, w0[0]);
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unpackv (tmps, last_hash, gid, 1, w0[1]);
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unpackv (tmps, last_hash, gid, 2, w0[2]);
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unpackv (tmps, last_hash, gid, 3, w0[3]);
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unpackv (tmps, last_hash, gid, 4, w1[0]);
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unpackv (tmps, last_hash, gid, 5, w1[1]);
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unpackv (tmps, last_hash, gid, 6, w1[2]);
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unpackv (tmps, last_hash, gid, 7, w1[3]);
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}
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KERNEL_FQ void m22100_comp (KERN_ATTR_TMPS_ESALT (bitlocker_tmp_t, bitlocker_t))
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{
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const u64 gid = get_global_id (0);
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const u64 lid = get_local_id (0);
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const u64 lsz = get_local_size (0);
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/**
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* aes shared
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*/
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#ifdef REAL_SHM
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LOCAL_VK u32 s_td0[256];
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LOCAL_VK u32 s_td1[256];
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LOCAL_VK u32 s_td2[256];
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LOCAL_VK u32 s_td3[256];
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LOCAL_VK u32 s_td4[256];
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LOCAL_VK u32 s_te0[256];
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LOCAL_VK u32 s_te1[256];
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LOCAL_VK u32 s_te2[256];
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LOCAL_VK u32 s_te3[256];
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LOCAL_VK u32 s_te4[256];
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for (u32 i = lid; i < 256; i += lsz)
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{
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s_td0[i] = td0[i];
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s_td1[i] = td1[i];
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s_td2[i] = td2[i];
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s_td3[i] = td3[i];
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s_td4[i] = td4[i];
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s_te0[i] = te0[i];
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s_te1[i] = te1[i];
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s_te2[i] = te2[i];
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s_te3[i] = te3[i];
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s_te4[i] = te4[i];
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}
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SYNC_THREADS ();
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#else
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CONSTANT_AS u32a *s_td0 = td0;
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CONSTANT_AS u32a *s_td1 = td1;
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CONSTANT_AS u32a *s_td2 = td2;
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CONSTANT_AS u32a *s_td3 = td3;
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CONSTANT_AS u32a *s_td4 = td4;
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CONSTANT_AS u32a *s_te0 = te0;
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CONSTANT_AS u32a *s_te1 = te1;
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CONSTANT_AS u32a *s_te2 = te2;
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CONSTANT_AS u32a *s_te3 = te3;
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CONSTANT_AS u32a *s_te4 = te4;
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#endif
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if (gid >= gid_max) return;
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/*
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* AES decrypt the data_buf
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*/
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// init AES
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u32 ukey[8];
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ukey[0] = tmps[gid].last_hash[0];
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ukey[1] = tmps[gid].last_hash[1];
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ukey[2] = tmps[gid].last_hash[2];
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ukey[3] = tmps[gid].last_hash[3];
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ukey[4] = tmps[gid].last_hash[4];
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ukey[5] = tmps[gid].last_hash[5];
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ukey[6] = tmps[gid].last_hash[6];
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ukey[7] = tmps[gid].last_hash[7];
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#define KEYLEN 60
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u32 ks[KEYLEN];
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AES256_set_encrypt_key (ks, ukey, s_te0, s_te1, s_te2, s_te3);
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|
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|
// decrypt:
|
|
|
|
u32 iv[4];
|
|
|
|
iv[0] = esalt_bufs[DIGESTS_OFFSET].iv[0];
|
|
iv[1] = esalt_bufs[DIGESTS_OFFSET].iv[1];
|
|
iv[2] = esalt_bufs[DIGESTS_OFFSET].iv[2];
|
|
iv[3] = esalt_bufs[DIGESTS_OFFSET].iv[3];
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|
|
// in total we've 60 bytes: we need out0 (16 bytes) to out3 (16 bytes) for MAC verification
|
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|
|
// 1
|
|
|
|
u32 out1[4];
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|
|
|
AES256_encrypt (ks, iv, out1, s_te0, s_te1, s_te2, s_te3, s_te4);
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|
|
// some early reject:
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|
|
out1[0] ^= esalt_bufs[DIGESTS_OFFSET].data[4]; // skip MAC for now (first 16 bytes)
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|
|
|
if ((out1[0] & 0xffff0000) != 0x2c000000) return; // data_size must be 0x2c00
|
|
|
|
|
|
out1[1] ^= esalt_bufs[DIGESTS_OFFSET].data[5];
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|
|
|
if ((out1[1] & 0xffff0000) != 0x01000000) return; // version must be 0x0100
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|
|
|
|
|
out1[2] ^= esalt_bufs[DIGESTS_OFFSET].data[6];
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|
|
|
if ((out1[2] & 0x00ff0000) != 0x00200000) return; // v2 must be 0x20
|
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|
|
if ((out1[2] >> 24) > 0x05) return; // v1 must be <= 5
|
|
|
|
// if no MAC verification should be performed, we are already done:
|
|
|
|
u32 type = esalt_bufs[DIGESTS_OFFSET].type;
|
|
|
|
if (type == 0)
|
|
{
|
|
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);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
out1[3] ^= esalt_bufs[DIGESTS_OFFSET].data[7];
|
|
|
|
/*
|
|
* Decrypt the whole data buffer for MAC verification (type == 1):
|
|
*/
|
|
|
|
// 0
|
|
|
|
iv[3] = iv[3] & 0xff000000; // xx000000
|
|
|
|
u32 out0[4];
|
|
|
|
AES256_encrypt (ks, iv, out0, s_te0, s_te1, s_te2, s_te3, s_te4);
|
|
|
|
out0[0] ^= esalt_bufs[DIGESTS_OFFSET].data[0];
|
|
out0[1] ^= esalt_bufs[DIGESTS_OFFSET].data[1];
|
|
out0[2] ^= esalt_bufs[DIGESTS_OFFSET].data[2];
|
|
out0[3] ^= esalt_bufs[DIGESTS_OFFSET].data[3];
|
|
|
|
// 2
|
|
|
|
// add 2 because we already did block 1 for the early reject
|
|
|
|
iv[3] += 2; // xx000002
|
|
|
|
u32 out2[4];
|
|
|
|
AES256_encrypt (ks, iv, out2, s_te0, s_te1, s_te2, s_te3, s_te4);
|
|
|
|
out2[0] ^= esalt_bufs[DIGESTS_OFFSET].data[ 8];
|
|
out2[1] ^= esalt_bufs[DIGESTS_OFFSET].data[ 9];
|
|
out2[2] ^= esalt_bufs[DIGESTS_OFFSET].data[10];
|
|
out2[3] ^= esalt_bufs[DIGESTS_OFFSET].data[11];
|
|
|
|
// 3
|
|
|
|
iv[3] += 1; // xx000003
|
|
|
|
u32 out3[4]; // actually only 3 needed
|
|
|
|
AES256_encrypt (ks, iv, out3, s_te0, s_te1, s_te2, s_te3, s_te4);
|
|
|
|
out3[0] ^= esalt_bufs[DIGESTS_OFFSET].data[12];
|
|
out3[1] ^= esalt_bufs[DIGESTS_OFFSET].data[13];
|
|
out3[2] ^= esalt_bufs[DIGESTS_OFFSET].data[14];
|
|
|
|
// compute MAC:
|
|
|
|
// out1
|
|
|
|
iv[0] = (iv[0] & 0x00ffffff) | 0x3a000000;
|
|
iv[3] = (iv[3] & 0xff000000) | 0x0000002c;
|
|
|
|
u32 mac[4];
|
|
|
|
AES256_encrypt (ks, iv, mac, s_te0, s_te1, s_te2, s_te3, s_te4);
|
|
|
|
iv[0] = mac[0] ^ out1[0];
|
|
iv[1] = mac[1] ^ out1[1];
|
|
iv[2] = mac[2] ^ out1[2];
|
|
iv[3] = mac[3] ^ out1[3];
|
|
|
|
// out2
|
|
|
|
AES256_encrypt (ks, iv, mac, s_te0, s_te1, s_te2, s_te3, s_te4);
|
|
|
|
iv[0] = mac[0] ^ out2[0];
|
|
iv[1] = mac[1] ^ out2[1];
|
|
iv[2] = mac[2] ^ out2[2];
|
|
iv[3] = mac[3] ^ out2[3];
|
|
|
|
// out3
|
|
|
|
AES256_encrypt (ks, iv, mac, s_te0, s_te1, s_te2, s_te3, s_te4);
|
|
|
|
iv[0] = mac[0] ^ out3[0];
|
|
iv[1] = mac[1] ^ out3[1];
|
|
iv[2] = mac[2] ^ out3[2];
|
|
iv[3] = mac[3];
|
|
|
|
// final
|
|
|
|
AES256_encrypt (ks, iv, mac, s_te0, s_te1, s_te2, s_te3, s_te4);
|
|
|
|
if (mac[0] != out0[0]) return;
|
|
if (mac[1] != out0[1]) return;
|
|
if (mac[2] != out0[2]) return;
|
|
if (mac[3] != out0[3]) return;
|
|
|
|
// if we end up here, we are sure to have found the correct password:
|
|
|
|
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);
|
|
}
|
|
}
|