mirror of https://github.com/hashcat/hashcat.git
Jens Steube
6 years ago
parent
fca4f7e8a6
commit
65abccc93e
@ -1,143 +0,0 @@
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DECLSPEC int find_keyboard_layout_map (const u32 search, const int search_len, __local keyboard_layout_mapping_t *s_keyboard_layout_mapping_buf, const int keyboard_layout_mapping_cnt)
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{
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for (int idx = 0; idx < keyboard_layout_mapping_cnt; idx++)
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{
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const u32 src_char = s_keyboard_layout_mapping_buf[idx].src_char;
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const int src_len = s_keyboard_layout_mapping_buf[idx].src_len;
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if (src_len == search_len)
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{
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const u32 mask = 0xffffffff >> ((4 - search_len) * 8);
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if ((src_char & mask) == (search & mask)) return idx;
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}
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}
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return -1;
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}
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DECLSPEC int keyboard_map (u32 w0[4], u32 w1[4], u32 w2[4], u32 w3[4], const int pw_len, __local keyboard_layout_mapping_t *s_keyboard_layout_mapping_buf, const int keyboard_layout_mapping_cnt)
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{
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u32 out_buf[16] = { 0 };
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u8 *out_ptr = (u8 *) out_buf;
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int out_len = 0;
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// TC/VC passwords are limited to 64
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u32 w[16];
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w[ 0] = w0[0];
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w[ 1] = w0[1];
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w[ 2] = w0[2];
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w[ 3] = w0[3];
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w[ 4] = w1[0];
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w[ 5] = w1[1];
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w[ 6] = w1[2];
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w[ 7] = w1[3];
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w[ 8] = w2[0];
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w[ 9] = w2[1];
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w[10] = w2[2];
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w[11] = w2[3];
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w[12] = w3[0];
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w[13] = w3[1];
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w[14] = w3[2];
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w[15] = w3[3];
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u8 *w_ptr = (u8 *) w;
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int pw_pos = 0;
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while (pw_pos < pw_len)
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{
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u32 src0 = 0;
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u32 src1 = 0;
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u32 src2 = 0;
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u32 src3 = 0;
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#define MIN(a,b) (((a) < (b)) ? (a) : (b))
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const int rem = MIN (pw_len - pw_pos, 4);
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#undef MIN
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if (rem > 0) src0 = w_ptr[pw_pos + 0];
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if (rem > 1) src1 = w_ptr[pw_pos + 1];
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if (rem > 2) src2 = w_ptr[pw_pos + 2];
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if (rem > 3) src3 = w_ptr[pw_pos + 3];
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const u32 src = (src0 << 0)
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| (src1 << 8)
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| (src2 << 16)
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| (src3 << 24);
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int src_len;
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for (src_len = rem; src_len > 0; src_len--)
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{
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const int idx = find_keyboard_layout_map (src, src_len, s_keyboard_layout_mapping_buf, keyboard_layout_mapping_cnt);
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if (idx == -1) continue;
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u32 dst_char = s_keyboard_layout_mapping_buf[idx].dst_char;
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int dst_len = s_keyboard_layout_mapping_buf[idx].dst_len;
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switch (dst_len)
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{
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case 1:
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out_ptr[out_len++] = (dst_char >> 0) & 0xff;
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break;
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case 2:
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out_ptr[out_len++] = (dst_char >> 0) & 0xff;
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out_ptr[out_len++] = (dst_char >> 8) & 0xff;
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break;
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case 3:
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out_ptr[out_len++] = (dst_char >> 0) & 0xff;
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out_ptr[out_len++] = (dst_char >> 8) & 0xff;
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out_ptr[out_len++] = (dst_char >> 16) & 0xff;
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break;
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case 4:
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out_ptr[out_len++] = (dst_char >> 0) & 0xff;
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out_ptr[out_len++] = (dst_char >> 8) & 0xff;
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out_ptr[out_len++] = (dst_char >> 16) & 0xff;
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out_ptr[out_len++] = (dst_char >> 24) & 0xff;
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break;
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}
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pw_pos += src_len;
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break;
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}
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// not matched, keep original
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if (src_len == 0)
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{
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out_ptr[out_len] = w_ptr[pw_pos];
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out_len++;
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pw_pos++;
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}
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}
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w0[0] = out_buf[ 0];
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w0[1] = out_buf[ 1];
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w0[2] = out_buf[ 2];
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w0[3] = out_buf[ 3];
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w1[0] = out_buf[ 4];
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w1[1] = out_buf[ 5];
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w1[2] = out_buf[ 6];
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w1[3] = out_buf[ 7];
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w2[0] = out_buf[ 8];
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w2[1] = out_buf[ 9];
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w2[2] = out_buf[10];
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w2[3] = out_buf[11];
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w3[0] = out_buf[12];
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w3[1] = out_buf[13];
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w3[2] = out_buf[14];
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w3[3] = out_buf[15];
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return out_len;
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}
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