mirror of https://github.com/hashcat/hashcat
363 lines
6.9 KiB
Common Lisp
363 lines
6.9 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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#ifdef KERNEL_STATIC
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#include M2S(INCLUDE_PATH/inc_vendor.h)
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#include M2S(INCLUDE_PATH/inc_types.h)
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#include M2S(INCLUDE_PATH/inc_platform.cl)
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#include M2S(INCLUDE_PATH/inc_common.cl)
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#include M2S(INCLUDE_PATH/inc_hash_md5.cl)
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#include M2S(INCLUDE_PATH/inc_cipher_rc4.cl)
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#endif
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#define COMPARE_S M2S(INCLUDE_PATH/inc_comp_single.cl)
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#define COMPARE_M M2S(INCLUDE_PATH/inc_comp_multi.cl)
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typedef struct pdf
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{
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int V;
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int R;
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int P;
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int enc_md;
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u32 id_buf[8];
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u32 u_buf[32];
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u32 o_buf[32];
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int id_len;
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int o_len;
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int u_len;
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u32 rc4key[2];
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u32 rc4data[2];
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int P_minus;
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} pdf_t;
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typedef struct pdf14_tmp
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{
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u32 digest[4];
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u32 out[4];
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} pdf14_tmp_t;
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KERNEL_FQ void m10500_init (KERN_ATTR_TMPS_ESALT (pdf14_tmp_t, pdf_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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//const u64 lid = get_local_id (0);
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if (gid >= GID_CNT) return;
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u32 w0[4];
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w0[0] = pws[gid].i[ 0];
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w0[1] = pws[gid].i[ 1];
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w0[2] = pws[gid].i[ 2];
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w0[3] = pws[gid].i[ 3];
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u32 w1[4];
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w1[0] = pws[gid].i[ 4];
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w1[1] = pws[gid].i[ 5];
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w1[2] = pws[gid].i[ 6];
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w1[3] = pws[gid].i[ 7];
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const u32 pw_len = pws[gid].pw_len;
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/**
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* U_buf
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*/
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u32 o_buf[8];
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o_buf[0] = esalt_bufs[DIGESTS_OFFSET_HOST].o_buf[0];
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o_buf[1] = esalt_bufs[DIGESTS_OFFSET_HOST].o_buf[1];
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o_buf[2] = esalt_bufs[DIGESTS_OFFSET_HOST].o_buf[2];
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o_buf[3] = esalt_bufs[DIGESTS_OFFSET_HOST].o_buf[3];
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o_buf[4] = esalt_bufs[DIGESTS_OFFSET_HOST].o_buf[4];
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o_buf[5] = esalt_bufs[DIGESTS_OFFSET_HOST].o_buf[5];
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o_buf[6] = esalt_bufs[DIGESTS_OFFSET_HOST].o_buf[6];
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o_buf[7] = esalt_bufs[DIGESTS_OFFSET_HOST].o_buf[7];
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u32 P = esalt_bufs[DIGESTS_OFFSET_HOST].P;
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u32 id_buf[12];
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id_buf[ 0] = esalt_bufs[DIGESTS_OFFSET_HOST].id_buf[0];
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id_buf[ 1] = esalt_bufs[DIGESTS_OFFSET_HOST].id_buf[1];
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id_buf[ 2] = esalt_bufs[DIGESTS_OFFSET_HOST].id_buf[2];
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id_buf[ 3] = esalt_bufs[DIGESTS_OFFSET_HOST].id_buf[3];
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id_buf[ 4] = esalt_bufs[DIGESTS_OFFSET_HOST].id_buf[4];
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id_buf[ 5] = esalt_bufs[DIGESTS_OFFSET_HOST].id_buf[5];
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id_buf[ 6] = esalt_bufs[DIGESTS_OFFSET_HOST].id_buf[6];
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id_buf[ 7] = esalt_bufs[DIGESTS_OFFSET_HOST].id_buf[7];
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id_buf[ 8] = 0;
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id_buf[ 9] = 0;
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id_buf[10] = 0;
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id_buf[11] = 0;
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u32 id_len = esalt_bufs[DIGESTS_OFFSET_HOST].id_len;
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u32 id_len4 = id_len / 4;
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u32 rc4data[2];
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rc4data[0] = esalt_bufs[DIGESTS_OFFSET_HOST].rc4data[0];
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rc4data[1] = esalt_bufs[DIGESTS_OFFSET_HOST].rc4data[1];
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u32 final_length = 68 + id_len;
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u32 w11 = 0x80;
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u32 w12 = 0;
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if (esalt_bufs[DIGESTS_OFFSET_HOST].enc_md != 1)
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{
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w11 = 0xffffffff;
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w12 = 0x80;
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final_length += 4;
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}
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id_buf[id_len4 + 0] = w11;
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id_buf[id_len4 + 1] = w12;
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/**
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* main init
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*/
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u32 w0_t[4];
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u32 w1_t[4];
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u32 w2_t[4];
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u32 w3_t[4];
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// max length supported by pdf11 is 32
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const u32 padding[8] =
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{
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0x5e4ebf28,
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0x418a754e,
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0x564e0064,
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0x0801faff,
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0xb6002e2e,
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0x803e68d0,
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0xfea90c2f,
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0x7a695364
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};
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w0_t[0] = padding[0];
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w0_t[1] = padding[1];
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w0_t[2] = padding[2];
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w0_t[3] = padding[3];
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w1_t[0] = padding[4];
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w1_t[1] = padding[5];
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w1_t[2] = padding[6];
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w1_t[3] = padding[7];
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w2_t[0] = 0;
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w2_t[1] = 0;
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w2_t[2] = 0;
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w2_t[3] = 0;
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w3_t[0] = 0;
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w3_t[1] = 0;
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w3_t[2] = 0;
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w3_t[3] = 0;
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switch_buffer_by_offset_le (w0_t, w1_t, w2_t, w3_t, pw_len);
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// add password
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// truncate at 32 is wanted, not a bug!
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// add o_buf
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w0_t[0] |= w0[0];
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w0_t[1] |= w0[1];
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w0_t[2] |= w0[2];
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w0_t[3] |= w0[3];
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w1_t[0] |= w1[0];
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w1_t[1] |= w1[1];
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w1_t[2] |= w1[2];
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w1_t[3] |= w1[3];
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w2_t[0] = o_buf[0];
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w2_t[1] = o_buf[1];
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w2_t[2] = o_buf[2];
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w2_t[3] = o_buf[3];
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w3_t[0] = o_buf[4];
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w3_t[1] = o_buf[5];
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w3_t[2] = o_buf[6];
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w3_t[3] = o_buf[7];
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u32 digest[4];
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digest[0] = MD5M_A;
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digest[1] = MD5M_B;
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digest[2] = MD5M_C;
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digest[3] = MD5M_D;
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md5_transform (w0_t, w1_t, w2_t, w3_t, digest);
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w0_t[0] = P;
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w0_t[1] = id_buf[ 0];
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w0_t[2] = id_buf[ 1];
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w0_t[3] = id_buf[ 2];
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w1_t[0] = id_buf[ 3];
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w1_t[1] = id_buf[ 4];
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w1_t[2] = id_buf[ 5];
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w1_t[3] = id_buf[ 6];
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w2_t[0] = id_buf[ 7];
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w2_t[1] = id_buf[ 8];
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w2_t[2] = id_buf[ 9];
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w2_t[3] = id_buf[10];
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w3_t[0] = id_buf[11];
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w3_t[1] = 0;
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w3_t[2] = final_length * 8;
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w3_t[3] = 0;
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md5_transform (w0_t, w1_t, w2_t, w3_t, digest);
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tmps[gid].digest[0] = digest[0];
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tmps[gid].digest[1] = digest[1];
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tmps[gid].digest[2] = digest[2];
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tmps[gid].digest[3] = digest[3];
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tmps[gid].out[0] = rc4data[0];
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tmps[gid].out[1] = rc4data[1];
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tmps[gid].out[2] = 0;
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tmps[gid].out[3] = 0;
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}
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KERNEL_FQ void m10500_loop (KERN_ATTR_TMPS_ESALT (pdf14_tmp_t, pdf_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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const u64 lid = get_local_id (0);
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if (gid >= GID_CNT) return;
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/**
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* shared
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*/
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LOCAL_VK u32 S[64 * FIXED_LOCAL_SIZE];
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/**
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* loop
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*/
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u32 digest[4];
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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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u32 out[4];
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out[0] = tmps[gid].out[0];
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out[1] = tmps[gid].out[1];
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out[2] = tmps[gid].out[2];
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out[3] = tmps[gid].out[3];
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for (u32 i = 0, j = LOOP_POS; i < LOOP_CNT; i++, j++)
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{
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if (j < 50)
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{
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u32 w0_t[4];
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u32 w1_t[4];
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u32 w2_t[4];
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u32 w3_t[4];
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w0_t[0] = digest[0];
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w0_t[1] = digest[1];
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w0_t[2] = digest[2];
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w0_t[3] = digest[3];
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w1_t[0] = 0x80;
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w1_t[1] = 0;
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w1_t[2] = 0;
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w1_t[3] = 0;
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w2_t[0] = 0;
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w2_t[1] = 0;
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w2_t[2] = 0;
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w2_t[3] = 0;
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w3_t[0] = 0;
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w3_t[1] = 0;
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w3_t[2] = 16 * 8;
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w3_t[3] = 0;
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digest[0] = MD5M_A;
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digest[1] = MD5M_B;
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digest[2] = MD5M_C;
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digest[3] = MD5M_D;
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md5_transform (w0_t, w1_t, w2_t, w3_t, digest);
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}
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else
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{
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const u32 x = j - 50;
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const u32 xv = x << 0
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| x << 8
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| x << 16
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| x << 24;
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u32 tmp[4];
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tmp[0] = digest[0] ^ xv;
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tmp[1] = digest[1] ^ xv;
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tmp[2] = digest[2] ^ xv;
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tmp[3] = digest[3] ^ xv;
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rc4_init_128 (S, tmp, lid);
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rc4_next_16 (S, 0, 0, out, out, lid);
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}
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}
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tmps[gid].digest[0] = digest[0];
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tmps[gid].digest[1] = digest[1];
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tmps[gid].digest[2] = digest[2];
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tmps[gid].digest[3] = digest[3];
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tmps[gid].out[0] = out[0];
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tmps[gid].out[1] = out[1];
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tmps[gid].out[2] = out[2];
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tmps[gid].out[3] = out[3];
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}
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KERNEL_FQ void m10500_comp (KERN_ATTR_TMPS_ESALT (pdf14_tmp_t, pdf_t))
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{
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/**
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* modifier
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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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const u64 lid = get_local_id (0);
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/**
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* digest
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*/
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const u32 r0 = tmps[gid].out[0];
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const u32 r1 = tmps[gid].out[1];
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const u32 r2 = 0;
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const u32 r3 = 0;
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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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