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351 lines
6.7 KiB
Common Lisp
351 lines
6.7 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_common.cl"
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#include "inc_hash_md5.cl"
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#endif
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#define PUTCHAR_LE(a,p,c) ((u8 *)(a))[(p)] = (u8) (c)
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#define GETCHAR_LE(a,p) ((u8 *)(a))[(p)]
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#define COMPARE_S "inc_comp_single.cl"
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#define COMPARE_M "inc_comp_multi.cl"
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typedef struct md5crypt_tmp
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{
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u32 digest_buf[4];
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} md5crypt_tmp_t;
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KERNEL_FQ void m06300_init (KERN_ATTR_TMPS (md5crypt_tmp_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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/**
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* init
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*/
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const u32 pw_len = pws[gid].pw_len;
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u32 w[64] = { 0 };
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for (int i = 0, idx = 0; i < pw_len; i += 4, idx += 1)
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{
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w[idx] = pws[gid].i[idx];
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}
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const u32 salt_len = salt_bufs[salt_pos].salt_len;
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u32 s[64] = { 0 };
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for (int i = 0, idx = 0; i < salt_len; i += 4, idx += 1)
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{
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s[idx] = salt_bufs[salt_pos].salt_buf[idx];
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}
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/**
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* prepare
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*/
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md5_ctx_t md5_ctx1;
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md5_init (&md5_ctx1);
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md5_update (&md5_ctx1, w, pw_len);
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md5_update (&md5_ctx1, s, salt_len);
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md5_update (&md5_ctx1, w, pw_len);
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md5_final (&md5_ctx1);
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u32 final[16] = { 0 };
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final[0] = md5_ctx1.h[0];
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final[1] = md5_ctx1.h[1];
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final[2] = md5_ctx1.h[2];
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final[3] = md5_ctx1.h[3];
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md5_ctx_t md5_ctx;
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md5_init (&md5_ctx);
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md5_update (&md5_ctx, w, pw_len);
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md5_update (&md5_ctx, s, salt_len);
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int pl;
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for (pl = pw_len; pl > 16; pl -= 16)
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{
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md5_update (&md5_ctx, final, 16);
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}
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truncate_block_4x4_le_S (final, pl);
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md5_update (&md5_ctx, final, pl);
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/* Then something really weird... */
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for (int i = pw_len; i != 0; i >>= 1)
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{
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u32 t[16] = { 0 };
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if (i & 1)
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{
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t[0] = 0;
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}
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else
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{
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t[0] = w[0] & 0xff;
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}
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md5_update (&md5_ctx, t, 1);
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}
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md5_final (&md5_ctx);
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tmps[gid].digest_buf[0] = md5_ctx.h[0];
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tmps[gid].digest_buf[1] = md5_ctx.h[1];
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tmps[gid].digest_buf[2] = md5_ctx.h[2];
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tmps[gid].digest_buf[3] = md5_ctx.h[3];
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}
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KERNEL_FQ void m06300_loop (KERN_ATTR_TMPS (md5crypt_tmp_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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/**
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* init
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*/
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const u32 pw_len = pws[gid].pw_len;
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u32 w[64] = { 0 };
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for (int i = 0, idx = 0; i < pw_len; i += 4, idx += 1)
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{
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w[idx] = pws[gid].i[idx];
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}
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const u32 salt_len = salt_bufs[salt_pos].salt_len;
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u32 s[64] = { 0 };
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for (int i = 0, idx = 0; i < salt_len; i += 4, idx += 1)
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{
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s[idx] = salt_bufs[salt_pos].salt_buf[idx];
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}
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/**
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* digest
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*/
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u32 digest[4];
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digest[0] = tmps[gid].digest_buf[0];
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digest[1] = tmps[gid].digest_buf[1];
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digest[2] = tmps[gid].digest_buf[2];
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digest[3] = tmps[gid].digest_buf[3];
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u32 wpc_len[8];
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wpc_len[0] = 16 + 0 + 0 + pw_len;
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wpc_len[1] = pw_len + 0 + 0 + 16;
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wpc_len[2] = 16 + salt_len + 0 + pw_len;
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wpc_len[3] = pw_len + salt_len + 0 + 16;
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wpc_len[4] = 16 + 0 + pw_len + pw_len;
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wpc_len[5] = pw_len + 0 + pw_len + 16;
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wpc_len[6] = 16 + salt_len + pw_len + pw_len;
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wpc_len[7] = pw_len + salt_len + pw_len + 16;
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// largest possible wpc_len[7] is not enough because of zero buffer loop
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u32 wpc[8][64 + 64 + 64 + 64];
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#ifdef _unroll
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#pragma unroll
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#endif
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for (u32 i = 0; i < 8; i++)
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{
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u32 block_len = 0;
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if (i & 1)
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{
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for (u32 j = 0; j < pw_len; j++)
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{
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PUTCHAR_LE (wpc[i], block_len++, GETCHAR_LE (w, j));
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}
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}
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else
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{
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block_len += 16;
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}
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if (i & 2)
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{
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for (u32 j = 0; j < salt_len; j++)
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{
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PUTCHAR_LE (wpc[i], block_len++, GETCHAR_LE (s, j));
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}
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}
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if (i & 4)
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{
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for (u32 j = 0; j < pw_len; j++)
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{
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PUTCHAR_LE (wpc[i], block_len++, GETCHAR_LE (w, j));
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}
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}
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if (i & 1)
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{
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block_len += 16;
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}
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else
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{
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for (u32 j = 0; j < pw_len; j++)
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{
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PUTCHAR_LE (wpc[i], block_len++, GETCHAR_LE (w, j));
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}
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}
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}
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#ifdef _unroll
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#pragma unroll
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#endif
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for (u32 i = 0; i < 8; i++)
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{
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u32 *z = wpc[i] + ((wpc_len[i] / 64) * 16);
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truncate_block_16x4_le_S (z + 0, z + 4, z + 8, z + 12, wpc_len[i] & 63);
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}
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/**
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* loop
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*/
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for (u32 i = 0, j = loop_pos; i < loop_cnt; i++, j++)
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{
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const u32 j1 = (j & 1) ? 1 : 0;
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const u32 j3 = (j % 3) ? 2 : 0;
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const u32 j7 = (j % 7) ? 4 : 0;
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const u32 pc = j1 + j3 + j7;
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if (j1)
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{
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const u32 off = wpc_len[pc] / 4;
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const u32 mod = wpc_len[pc] % 4;
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u32 *ptr = wpc[pc] + off - 4;
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switch (mod)
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{
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case 0:
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ptr[0] = digest[0];
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ptr[1] = digest[1];
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ptr[2] = digest[2];
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ptr[3] = digest[3];
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break;
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case 1:
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ptr[0] = (ptr[0] & 0xff) | (digest[0] << 8);
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ptr[1] = (digest[0] >> 24) | (digest[1] << 8);
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ptr[2] = (digest[1] >> 24) | (digest[2] << 8);
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ptr[3] = (digest[2] >> 24) | (digest[3] << 8);
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ptr[4] = (digest[3] >> 24);
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break;
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case 2:
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ptr[0] = (ptr[0] & 0xffff) | (digest[0] << 16);
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ptr[1] = (digest[0] >> 16) | (digest[1] << 16);
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ptr[2] = (digest[1] >> 16) | (digest[2] << 16);
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ptr[3] = (digest[2] >> 16) | (digest[3] << 16);
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ptr[4] = (digest[3] >> 16);
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break;
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case 3:
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ptr[0] = (ptr[0] & 0xffffff) | (digest[0] << 24);
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ptr[1] = (digest[0] >> 8) | (digest[1] << 24);
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ptr[2] = (digest[1] >> 8) | (digest[2] << 24);
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ptr[3] = (digest[2] >> 8) | (digest[3] << 24);
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ptr[4] = (digest[3] >> 8);
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break;
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}
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}
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else
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{
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wpc[pc][0] = digest[0];
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wpc[pc][1] = digest[1];
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wpc[pc][2] = digest[2];
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wpc[pc][3] = digest[3];
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}
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md5_ctx_t md5_ctx;
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md5_init (&md5_ctx);
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md5_update (&md5_ctx, wpc[pc], wpc_len[pc]);
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md5_final (&md5_ctx);
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digest[0] = md5_ctx.h[0];
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digest[1] = md5_ctx.h[1];
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digest[2] = md5_ctx.h[2];
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digest[3] = md5_ctx.h[3];
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}
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tmps[gid].digest_buf[0] = digest[0];
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tmps[gid].digest_buf[1] = digest[1];
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tmps[gid].digest_buf[2] = digest[2];
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tmps[gid].digest_buf[3] = digest[3];
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}
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KERNEL_FQ void m06300_comp (KERN_ATTR_TMPS (md5crypt_tmp_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_max) 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].digest_buf[DGST_R0];
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const u32 r1 = tmps[gid].digest_buf[DGST_R1];
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const u32 r2 = tmps[gid].digest_buf[DGST_R2];
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const u32 r3 = tmps[gid].digest_buf[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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}
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