/**
* Author......: See docs/credits.txt
* License.....: MIT
*/
#ifdef KERNEL_STATIC
#include "inc_vendor.h"
#include "inc_types.h"
#include "inc_platform.cl"
#include "inc_common.cl"
#include "inc_hash_sha256.cl"
#endif
#define COMPARE_S "inc_comp_single.cl"
#define COMPARE_M "inc_comp_multi.cl"
typedef struct sha256crypt_tmp
{
// pure version
u32 alt_result[8];
u32 p_bytes[64];
u32 s_bytes[64];
} sha256crypt_tmp_t;
DECLSPEC void sha256_transform_transport (const u32 *w, u32 *digest)
{
u32 w0[4];
u32 w1[4];
u32 w2[4];
u32 w3[4];
w0[0] = hc_swap32_S (w[ 0]);
w0[1] = hc_swap32_S (w[ 1]);
w0[2] = hc_swap32_S (w[ 2]);
w0[3] = hc_swap32_S (w[ 3]);
w1[0] = hc_swap32_S (w[ 4]);
w1[1] = hc_swap32_S (w[ 5]);
w1[2] = hc_swap32_S (w[ 6]);
w1[3] = hc_swap32_S (w[ 7]);
w2[0] = hc_swap32_S (w[ 8]);
w2[1] = hc_swap32_S (w[ 9]);
w2[2] = hc_swap32_S (w[10]);
w2[3] = hc_swap32_S (w[11]);
w3[0] = hc_swap32_S (w[12]);
w3[1] = hc_swap32_S (w[13]);
w3[2] = hc_swap32_S (w[14]);
w3[3] = hc_swap32_S (w[15]);
sha256_transform (w0, w1, w2, w3, digest);
}
DECLSPEC void init_ctx (u32 *digest)
{
digest[0] = SHA256M_A;
digest[1] = SHA256M_B;
digest[2] = SHA256M_C;
digest[3] = SHA256M_D;
digest[4] = SHA256M_E;
digest[5] = SHA256M_F;
digest[6] = SHA256M_G;
digest[7] = SHA256M_H;
}
DECLSPEC void bzero16 (u32 *block)
{
block[ 0] = 0;
block[ 1] = 0;
block[ 2] = 0;
block[ 3] = 0;
block[ 4] = 0;
block[ 5] = 0;
block[ 6] = 0;
block[ 7] = 0;
block[ 8] = 0;
block[ 9] = 0;
block[10] = 0;
block[11] = 0;
block[12] = 0;
block[13] = 0;
block[14] = 0;
block[15] = 0;
}
DECLSPEC void bswap8 (u32 *block)
{
block[ 0] = hc_swap32_S (block[ 0]);
block[ 1] = hc_swap32_S (block[ 1]);
block[ 2] = hc_swap32_S (block[ 2]);
block[ 3] = hc_swap32_S (block[ 3]);
block[ 4] = hc_swap32_S (block[ 4]);
block[ 5] = hc_swap32_S (block[ 5]);
block[ 6] = hc_swap32_S (block[ 6]);
block[ 7] = hc_swap32_S (block[ 7]);
}
DECLSPEC u32 memcat16 (u32 *block, const u32 offset, const u32 *append, const u32 append_len)
{
u32 tmp0;
u32 tmp1;
u32 tmp2;
u32 tmp3;
u32 tmp4;
#if defined IS_AMD || defined IS_GENERIC
u32 in0 = append[0];
u32 in1 = append[1];
u32 in2 = append[2];
u32 in3 = append[3];
tmp0 = hc_bytealign ( 0, in0, offset);
tmp1 = hc_bytealign (in0, in1, offset);
tmp2 = hc_bytealign (in1, in2, offset);
tmp3 = hc_bytealign (in2, in3, offset);
tmp4 = hc_bytealign (in3, 0, offset);
#endif
#ifdef IS_NV
const int offset_mod_4 = offset & 3;
const int offset_minus_4 = 4 - offset_mod_4;
const int selector = (0x76543210 >> (offset_minus_4 * 4)) & 0xffff;
u32 in0 = append[0];
u32 in1 = append[1];
u32 in2 = append[2];
u32 in3 = append[3];
tmp0 = hc_byte_perm ( 0, in0, selector);
tmp1 = hc_byte_perm (in0, in1, selector);
tmp2 = hc_byte_perm (in1, in2, selector);
tmp3 = hc_byte_perm (in2, in3, selector);
tmp4 = hc_byte_perm (in3, 0, selector);
#endif
switch (offset / 4)
{
case 0: block[ 0] |= tmp0;
block[ 1] = tmp1;
block[ 2] = tmp2;
block[ 3] = tmp3;
block[ 4] = tmp4;
break;
case 1: block[ 1] |= tmp0;
block[ 2] = tmp1;
block[ 3] = tmp2;
block[ 4] = tmp3;
block[ 5] = tmp4;
break;
case 2: block[ 2] |= tmp0;
block[ 3] = tmp1;
block[ 4] = tmp2;
block[ 5] = tmp3;
block[ 6] = tmp4;
break;
case 3: block[ 3] |= tmp0;
block[ 4] = tmp1;
block[ 5] = tmp2;
block[ 6] = tmp3;
block[ 7] = tmp4;
break;
case 4: block[ 4] |= tmp0;
block[ 5] = tmp1;
block[ 6] = tmp2;
block[ 7] = tmp3;
block[ 8] = tmp4;
break;
case 5: block[ 5] |= tmp0;
block[ 6] = tmp1;
block[ 7] = tmp2;
block[ 8] = tmp3;
block[ 9] = tmp4;
break;
case 6: block[ 6] |= tmp0;
block[ 7] = tmp1;
block[ 8] = tmp2;
block[ 9] = tmp3;
block[10] = tmp4;
break;
case 7: block[ 7] |= tmp0;
block[ 8] = tmp1;
block[ 9] = tmp2;
block[10] = tmp3;
block[11] = tmp4;
break;
case 8: block[ 8] |= tmp0;
block[ 9] = tmp1;
block[10] = tmp2;
block[11] = tmp3;
block[12] = tmp4;
break;
case 9: block[ 9] |= tmp0;
block[10] = tmp1;
block[11] = tmp2;
block[12] = tmp3;
block[13] = tmp4;
break;
case 10: block[10] |= tmp0;
block[11] = tmp1;
block[12] = tmp2;
block[13] = tmp3;
block[14] = tmp4;
break;
case 11: block[11] |= tmp0;
block[12] = tmp1;
block[13] = tmp2;
block[14] = tmp3;
block[15] = tmp4;
break;
case 12: block[12] |= tmp0;
block[13] = tmp1;
block[14] = tmp2;
block[15] = tmp3;
break;
case 13: block[13] |= tmp0;
block[14] = tmp1;
block[15] = tmp2;
break;
case 14: block[14] |= tmp0;
block[15] = tmp1;
break;
case 15: block[15] |= tmp0;
break;
}
u32 new_len = offset + append_len;
return new_len;
}
DECLSPEC u32 memcat16c (u32 *block, const u32 offset, const u32 *append, const u32 append_len, u32 *digest)
{
u32 tmp0;
u32 tmp1;
u32 tmp2;
u32 tmp3;
u32 tmp4;
#if defined IS_AMD || defined IS_GENERIC
u32 in0 = append[0];
u32 in1 = append[1];
u32 in2 = append[2];
u32 in3 = append[3];
tmp0 = hc_bytealign ( 0, in0, offset);
tmp1 = hc_bytealign (in0, in1, offset);
tmp2 = hc_bytealign (in1, in2, offset);
tmp3 = hc_bytealign (in2, in3, offset);
tmp4 = hc_bytealign (in3, 0, offset);
#endif
#ifdef IS_NV
const int offset_mod_4 = offset & 3;
const int offset_minus_4 = 4 - offset_mod_4;
const int selector = (0x76543210 >> (offset_minus_4 * 4)) & 0xffff;
u32 in0 = append[0];
u32 in1 = append[1];
u32 in2 = append[2];
u32 in3 = append[3];
tmp0 = hc_byte_perm ( 0, in0, selector);
tmp1 = hc_byte_perm (in0, in1, selector);
tmp2 = hc_byte_perm (in1, in2, selector);
tmp3 = hc_byte_perm (in2, in3, selector);
tmp4 = hc_byte_perm (in3, 0, selector);
#endif
u32 carry[4] = { 0, 0, 0, 0 };
switch (offset / 4)
{
case 0: block[ 0] |= tmp0;
block[ 1] = tmp1;
block[ 2] = tmp2;
block[ 3] = tmp3;
block[ 4] = tmp4;
break;
case 1: block[ 1] |= tmp0;
block[ 2] = tmp1;
block[ 3] = tmp2;
block[ 4] = tmp3;
block[ 5] = tmp4;
break;
case 2: block[ 2] |= tmp0;
block[ 3] = tmp1;
block[ 4] = tmp2;
block[ 5] = tmp3;
block[ 6] = tmp4;
break;
case 3: block[ 3] |= tmp0;
block[ 4] = tmp1;
block[ 5] = tmp2;
block[ 6] = tmp3;
block[ 7] = tmp4;
break;
case 4: block[ 4] |= tmp0;
block[ 5] = tmp1;
block[ 6] = tmp2;
block[ 7] = tmp3;
block[ 8] = tmp4;
break;
case 5: block[ 5] |= tmp0;
block[ 6] = tmp1;
block[ 7] = tmp2;
block[ 8] = tmp3;
block[ 9] = tmp4;
break;
case 6: block[ 6] |= tmp0;
block[ 7] = tmp1;
block[ 8] = tmp2;
block[ 9] = tmp3;
block[10] = tmp4;
break;
case 7: block[ 7] |= tmp0;
block[ 8] = tmp1;
block[ 9] = tmp2;
block[10] = tmp3;
block[11] = tmp4;
break;
case 8: block[ 8] |= tmp0;
block[ 9] = tmp1;
block[10] = tmp2;
block[11] = tmp3;
block[12] = tmp4;
break;
case 9: block[ 9] |= tmp0;
block[10] = tmp1;
block[11] = tmp2;
block[12] = tmp3;
block[13] = tmp4;
break;
case 10: block[10] |= tmp0;
block[11] = tmp1;
block[12] = tmp2;
block[13] = tmp3;
block[14] = tmp4;
break;
case 11: block[11] |= tmp0;
block[12] = tmp1;
block[13] = tmp2;
block[14] = tmp3;
block[15] = tmp4;
break;
case 12: block[12] |= tmp0;
block[13] = tmp1;
block[14] = tmp2;
block[15] = tmp3;
carry[ 0] = tmp4;
break;
case 13: block[13] |= tmp0;
block[14] = tmp1;
block[15] = tmp2;
carry[ 0] = tmp3;
carry[ 1] = tmp4;
break;
case 14: block[14] |= tmp0;
block[15] = tmp1;
carry[ 0] = tmp2;
carry[ 1] = tmp3;
carry[ 2] = tmp4;
break;
case 15: block[15] |= tmp0;
carry[ 0] = tmp1;
carry[ 1] = tmp2;
carry[ 2] = tmp3;
carry[ 3] = tmp4;
break;
}
u32 new_len = offset + append_len;
if (new_len >= 64)
{
new_len -= 64;
sha256_transform_transport (block, digest);
bzero16 (block);
block[0] = carry[0];
block[1] = carry[1];
block[2] = carry[2];
block[3] = carry[3];
}
return new_len;
}
DECLSPEC u32 memcat20 (u32 *block, const u32 offset, const u32 *append, const u32 append_len)
{
u32 tmp0;
u32 tmp1;
u32 tmp2;
u32 tmp3;
u32 tmp4;
#if defined IS_AMD || defined IS_GENERIC
u32 in0 = append[0];
u32 in1 = append[1];
u32 in2 = append[2];
u32 in3 = append[3];
tmp0 = hc_bytealign ( 0, in0, offset);
tmp1 = hc_bytealign (in0, in1, offset);
tmp2 = hc_bytealign (in1, in2, offset);
tmp3 = hc_bytealign (in2, in3, offset);
tmp4 = hc_bytealign (in3, 0, offset);
#endif
#ifdef IS_NV
const int offset_mod_4 = offset & 3;
const int offset_minus_4 = 4 - offset_mod_4;
const int selector = (0x76543210 >> (offset_minus_4 * 4)) & 0xffff;
u32 in0 = append[0];
u32 in1 = append[1];
u32 in2 = append[2];
u32 in3 = append[3];
tmp0 = hc_byte_perm ( 0, in0, selector);
tmp1 = hc_byte_perm (in0, in1, selector);
tmp2 = hc_byte_perm (in1, in2, selector);
tmp3 = hc_byte_perm (in2, in3, selector);
tmp4 = hc_byte_perm (in3, 0, selector);
#endif
switch (offset / 4)
{
case 0: block[ 0] |= tmp0;
block[ 1] = tmp1;
block[ 2] = tmp2;
block[ 3] = tmp3;
block[ 4] = tmp4;
break;
case 1: block[ 1] |= tmp0;
block[ 2] = tmp1;
block[ 3] = tmp2;
block[ 4] = tmp3;
block[ 5] = tmp4;
break;
case 2: block[ 2] |= tmp0;
block[ 3] = tmp1;
block[ 4] = tmp2;
block[ 5] = tmp3;
block[ 6] = tmp4;
break;
case 3: block[ 3] |= tmp0;
block[ 4] = tmp1;
block[ 5] = tmp2;
block[ 6] = tmp3;
block[ 7] = tmp4;
break;
case 4: block[ 4] |= tmp0;
block[ 5] = tmp1;
block[ 6] = tmp2;
block[ 7] = tmp3;
block[ 8] = tmp4;
break;
case 5: block[ 5] |= tmp0;
block[ 6] = tmp1;
block[ 7] = tmp2;
block[ 8] = tmp3;
block[ 9] = tmp4;
break;
case 6: block[ 6] |= tmp0;
block[ 7] = tmp1;
block[ 8] = tmp2;
block[ 9] = tmp3;
block[10] = tmp4;
break;
case 7: block[ 7] |= tmp0;
block[ 8] = tmp1;
block[ 9] = tmp2;
block[10] = tmp3;
block[11] = tmp4;
break;
case 8: block[ 8] |= tmp0;
block[ 9] = tmp1;
block[10] = tmp2;
block[11] = tmp3;
block[12] = tmp4;
break;
case 9: block[ 9] |= tmp0;
block[10] = tmp1;
block[11] = tmp2;
block[12] = tmp3;
block[13] = tmp4;
break;
case 10: block[10] |= tmp0;
block[11] = tmp1;
block[12] = tmp2;
block[13] = tmp3;
block[14] = tmp4;
break;
case 11: block[11] |= tmp0;
block[12] = tmp1;
block[13] = tmp2;
block[14] = tmp3;
block[15] = tmp4;
break;
case 12: block[12] |= tmp0;
block[13] = tmp1;
block[14] = tmp2;
block[15] = tmp3;
block[16] = tmp4;
break;
case 13: block[13] |= tmp0;
block[14] = tmp1;
block[15] = tmp2;
block[16] = tmp3;
block[17] = tmp4;
break;
case 14: block[14] |= tmp0;
block[15] = tmp1;
block[16] = tmp2;
block[17] = tmp3;
block[18] = tmp4;
break;
case 15: block[15] |= tmp0;
block[16] = tmp1;
block[17] = tmp2;
block[18] = tmp3;
block[19] = tmp4;
break;
}
return offset + append_len;
}
DECLSPEC u32 memcat20_x80 (u32 *block, const u32 offset, const u32 *append, const u32 append_len)
{
u32 tmp0;
u32 tmp1;
u32 tmp2;
u32 tmp3;
u32 tmp4;
#if defined IS_AMD || defined IS_GENERIC
u32 in0 = append[0];
u32 in1 = append[1];
u32 in2 = append[2];
u32 in3 = append[3];
u32 in4 = 0x80;
tmp0 = hc_bytealign ( 0, in0, offset);
tmp1 = hc_bytealign (in0, in1, offset);
tmp2 = hc_bytealign (in1, in2, offset);
tmp3 = hc_bytealign (in2, in3, offset);
tmp4 = hc_bytealign (in3, in4, offset);
#endif
#ifdef IS_NV
const int offset_mod_4 = offset & 3;
const int offset_minus_4 = 4 - offset_mod_4;
const int selector = (0x76543210 >> (offset_minus_4 * 4)) & 0xffff;
u32 in0 = append[0];
u32 in1 = append[1];
u32 in2 = append[2];
u32 in3 = append[3];
u32 in4 = 0x80;
tmp0 = hc_byte_perm ( 0, in0, selector);
tmp1 = hc_byte_perm (in0, in1, selector);
tmp2 = hc_byte_perm (in1, in2, selector);
tmp3 = hc_byte_perm (in2, in3, selector);
tmp4 = hc_byte_perm (in3, in4, selector);
#endif
switch (offset / 4)
{
case 0: block[ 0] |= tmp0;
block[ 1] = tmp1;
block[ 2] = tmp2;
block[ 3] = tmp3;
block[ 4] = tmp4;
break;
case 1: block[ 1] |= tmp0;
block[ 2] = tmp1;
block[ 3] = tmp2;
block[ 4] = tmp3;
block[ 5] = tmp4;
break;
case 2: block[ 2] |= tmp0;
block[ 3] = tmp1;
block[ 4] = tmp2;
block[ 5] = tmp3;
block[ 6] = tmp4;
break;
case 3: block[ 3] |= tmp0;
block[ 4] = tmp1;
block[ 5] = tmp2;
block[ 6] = tmp3;
block[ 7] = tmp4;
break;
case 4: block[ 4] |= tmp0;
block[ 5] = tmp1;
block[ 6] = tmp2;
block[ 7] = tmp3;
block[ 8] = tmp4;
break;
case 5: block[ 5] |= tmp0;
block[ 6] = tmp1;
block[ 7] = tmp2;
block[ 8] = tmp3;
block[ 9] = tmp4;
break;
case 6: block[ 6] |= tmp0;
block[ 7] = tmp1;
block[ 8] = tmp2;
block[ 9] = tmp3;
block[10] = tmp4;
break;
case 7: block[ 7] |= tmp0;
block[ 8] = tmp1;
block[ 9] = tmp2;
block[10] = tmp3;
block[11] = tmp4;
break;
case 8: block[ 8] |= tmp0;
block[ 9] = tmp1;
block[10] = tmp2;
block[11] = tmp3;
block[12] = tmp4;
break;
case 9: block[ 9] |= tmp0;
block[10] = tmp1;
block[11] = tmp2;
block[12] = tmp3;
block[13] = tmp4;
break;
case 10: block[10] |= tmp0;
block[11] = tmp1;
block[12] = tmp2;
block[13] = tmp3;
block[14] = tmp4;
break;
case 11: block[11] |= tmp0;
block[12] = tmp1;
block[13] = tmp2;
block[14] = tmp3;
block[15] = tmp4;
break;
case 12: block[12] |= tmp0;
block[13] = tmp1;
block[14] = tmp2;
block[15] = tmp3;
block[16] = tmp4;
break;
case 13: block[13] |= tmp0;
block[14] = tmp1;
block[15] = tmp2;
block[16] = tmp3;
block[17] = tmp4;
break;
case 14: block[14] |= tmp0;
block[15] = tmp1;
block[16] = tmp2;
block[17] = tmp3;
block[18] = tmp4;
break;
case 15: block[15] |= tmp0;
block[16] = tmp1;
block[17] = tmp2;
block[18] = tmp3;
block[19] = tmp4;
break;
}
return offset + append_len;
}
KERNEL_FQ void m07400_init (KERN_ATTR_TMPS (sha256crypt_tmp_t))
{
/**
* base
*/
const u64 gid = get_global_id (0);
if (gid >= gid_max) return;
u32 w0[4];
w0[0] = pws[gid].i[0];
w0[1] = pws[gid].i[1];
w0[2] = pws[gid].i[2];
w0[3] = pws[gid].i[3];
const u32 pw_len = pws[gid].pw_len & 63;
/**
* salt
*/
u32 salt_buf[4];
salt_buf[0] = salt_bufs[salt_pos].salt_buf[0];
salt_buf[1] = salt_bufs[salt_pos].salt_buf[1];
salt_buf[2] = salt_bufs[salt_pos].salt_buf[2];
salt_buf[3] = salt_bufs[salt_pos].salt_buf[3];
u32 salt_len = salt_bufs[salt_pos].salt_len;
/**
* buffers
*/
u32 block_len; // never reaches > 64
u32 transform_len; // required for w[15] = len * 8
u32 block[16];
u32 alt_result[8];
u32 p_bytes[8];
u32 s_bytes[8];
/* Prepare for the real work. */
block_len = 0;
bzero16 (block);
/* Add key. */
block_len = memcat16 (block, block_len, w0, pw_len);
/* Add salt. */
block_len = memcat16 (block, block_len, salt_buf, salt_len);
/* Add key again. */
block_len = memcat16 (block, block_len, w0, pw_len);
append_0x80_1x16 (block, block_len);
block[15] = hc_swap32_S (block_len * 8);
init_ctx (alt_result);
sha256_transform_transport (block, alt_result);
bswap8 (alt_result);
block_len = 0;
bzero16 (block);
u32 alt_result_tmp[8];
alt_result_tmp[0] = alt_result[0];
alt_result_tmp[1] = alt_result[1];
alt_result_tmp[2] = alt_result[2];
alt_result_tmp[3] = alt_result[3];
alt_result_tmp[4] = 0;
alt_result_tmp[5] = 0;
alt_result_tmp[6] = 0;
alt_result_tmp[7] = 0;
truncate_block_4x4_le_S (alt_result_tmp, pw_len);
/* Add the key string. */
block_len = memcat16 (block, block_len, w0, pw_len);
/* The last part is the salt string. This must be at most 8
characters and it ends at the first `$' character (for
compatibility with existing implementations). */
block_len = memcat16 (block, block_len, salt_buf, salt_len);
/* Now get result of this (32 bytes) and add it to the other
context. */
block_len = memcat16 (block, block_len, alt_result_tmp, pw_len);
transform_len = block_len;
/* Take the binary representation of the length of the key and for every
1 add the alternate sum, for every 0 the key. */
alt_result_tmp[0] = alt_result[0];
alt_result_tmp[1] = alt_result[1];
alt_result_tmp[2] = alt_result[2];
alt_result_tmp[3] = alt_result[3];
alt_result_tmp[4] = alt_result[4];
alt_result_tmp[5] = alt_result[5];
alt_result_tmp[6] = alt_result[6];
alt_result_tmp[7] = alt_result[7];
init_ctx (alt_result);
for (u32 j = pw_len; j; j >>= 1)
{
if (j & 1)
{
block_len = memcat16c (block, block_len, &alt_result_tmp[0], 16, alt_result);
block_len = memcat16c (block, block_len, &alt_result_tmp[4], 16, alt_result);
transform_len += 32;
}
else
{
block_len = memcat16c (block, block_len, w0, pw_len, alt_result);
transform_len += pw_len;
}
}
append_0x80_1x16 (block, block_len);
if (block_len >= 56)
{
sha256_transform_transport (block, alt_result);
bzero16 (block);
}
block[15] = hc_swap32_S (transform_len * 8);
sha256_transform_transport (block, alt_result);
bswap8 (alt_result);
tmps[gid].alt_result[0] = alt_result[0];
tmps[gid].alt_result[1] = alt_result[1];
tmps[gid].alt_result[2] = alt_result[2];
tmps[gid].alt_result[3] = alt_result[3];
tmps[gid].alt_result[4] = alt_result[4];
tmps[gid].alt_result[5] = alt_result[5];
tmps[gid].alt_result[6] = alt_result[6];
tmps[gid].alt_result[7] = alt_result[7];
/* Start computation of P byte sequence. */
block_len = 0;
transform_len = 0;
bzero16 (block);
/* For every character in the password add the entire password. */
init_ctx (p_bytes);
for (u32 j = 0; j < pw_len; j++)
{
block_len = memcat16c (block, block_len, w0, pw_len, p_bytes);
transform_len += pw_len;
}
/* Finish the digest. */
append_0x80_1x16 (block, block_len);
if (block_len >= 56)
{
sha256_transform_transport (block, p_bytes);
bzero16 (block);
}
block[15] = hc_swap32_S (transform_len * 8);
sha256_transform_transport (block, p_bytes);
bswap8 (p_bytes);
truncate_block_4x4_le_S (p_bytes, pw_len);
tmps[gid].p_bytes[0] = p_bytes[0];
tmps[gid].p_bytes[1] = p_bytes[1];
tmps[gid].p_bytes[2] = p_bytes[2];
tmps[gid].p_bytes[3] = p_bytes[3];
/* Start computation of S byte sequence. */
block_len = 0;
transform_len = 0;
bzero16 (block);
/* For every character in the password add the entire password. */
init_ctx (s_bytes);
for (u32 j = 0; j < 16 + (alt_result[0] & 0xff); j++)
{
block_len = memcat16c (block, block_len, salt_buf, salt_len, s_bytes);
transform_len += salt_len;
}
/* Finish the digest. */
append_0x80_1x16 (block, block_len);
if (block_len >= 56)
{
sha256_transform_transport (block, s_bytes);
bzero16 (block);
}
block[15] = hc_swap32_S (transform_len * 8);
sha256_transform_transport (block, s_bytes);
bswap8 (s_bytes);
truncate_block_4x4_le_S (s_bytes, salt_len);
tmps[gid].s_bytes[0] = s_bytes[0];
tmps[gid].s_bytes[1] = s_bytes[1];
tmps[gid].s_bytes[2] = s_bytes[2];
tmps[gid].s_bytes[3] = s_bytes[3];
}
KERNEL_FQ void m07400_loop (KERN_ATTR_TMPS (sha256crypt_tmp_t))
{
/**
* base
*/
const u64 gid = get_global_id (0);
if (gid >= gid_max) return;
const u32 pw_len = pws[gid].pw_len & 63;
/**
* base
*/
u32 p_bytes[4];
p_bytes[0] = tmps[gid].p_bytes[0];
p_bytes[1] = tmps[gid].p_bytes[1];
p_bytes[2] = tmps[gid].p_bytes[2];
p_bytes[3] = tmps[gid].p_bytes[3];
u32 p_bytes_x80[4];
p_bytes_x80[0] = tmps[gid].p_bytes[0];
p_bytes_x80[1] = tmps[gid].p_bytes[1];
p_bytes_x80[2] = tmps[gid].p_bytes[2];
p_bytes_x80[3] = tmps[gid].p_bytes[3];
append_0x80_1x4 (p_bytes_x80, pw_len);
u32 s_bytes[4];
s_bytes[0] = tmps[gid].s_bytes[0];
s_bytes[1] = tmps[gid].s_bytes[1];
s_bytes[2] = tmps[gid].s_bytes[2];
s_bytes[3] = tmps[gid].s_bytes[3];
u32 alt_result[8];
alt_result[0] = tmps[gid].alt_result[0];
alt_result[1] = tmps[gid].alt_result[1];
alt_result[2] = tmps[gid].alt_result[2];
alt_result[3] = tmps[gid].alt_result[3];
alt_result[4] = tmps[gid].alt_result[4];
alt_result[5] = tmps[gid].alt_result[5];
alt_result[6] = tmps[gid].alt_result[6];
alt_result[7] = tmps[gid].alt_result[7];
u32 salt_len = salt_bufs[salt_pos].salt_len;
/* Repeatedly run the collected hash value through SHA256 to burn
CPU cycles. */
for (u32 i = 0, j = loop_pos; i < loop_cnt; i++, j++)
{
u32 tmp[8];
init_ctx (tmp);
u32 block[32];
bzero16 (&block[ 0]);
bzero16 (&block[16]);
u32 block_len = 0;
const u32 j1 = (j & 1) ? 1 : 0;
const u32 j3 = (j % 3) ? 1 : 0;
const u32 j7 = (j % 7) ? 1 : 0;
if (j1)
{
block[0] = p_bytes[0];
block[1] = p_bytes[1];
block[2] = p_bytes[2];
block[3] = p_bytes[3];
block_len = pw_len;
}
else
{
block[0] = alt_result[0];
block[1] = alt_result[1];
block[2] = alt_result[2];
block[3] = alt_result[3];
block[4] = alt_result[4];
block[5] = alt_result[5];
block[6] = alt_result[6];
block[7] = alt_result[7];
block_len = 32;
}
if (j3)
{
block_len = memcat20 (block, block_len, s_bytes, salt_len);
}
if (j7)
{
block_len = memcat20 (block, block_len, p_bytes, pw_len);
}
if (j1)
{
block_len = memcat20 (block, block_len, &alt_result[0], 16);
block_len = memcat20_x80 (block, block_len, &alt_result[4], 16);
}
else
{
block_len = memcat20 (block, block_len, p_bytes_x80, pw_len);
}
if (block_len >= 56)
{
sha256_transform_transport (block, tmp);
block[ 0] = block[16];
block[ 1] = block[17];
block[ 2] = block[18];
block[ 3] = block[19];
block[ 4] = 0;
block[ 5] = 0;
block[ 6] = 0;
block[ 7] = 0;
block[ 8] = 0;
block[ 9] = 0;
block[10] = 0;
block[11] = 0;
block[12] = 0;
block[13] = 0;
block[14] = 0;
block[15] = 0;
}
block[15] = hc_swap32_S (block_len * 8);
sha256_transform_transport (block, tmp);
bswap8 (tmp);
alt_result[0] = tmp[0];
alt_result[1] = tmp[1];
alt_result[2] = tmp[2];
alt_result[3] = tmp[3];
alt_result[4] = tmp[4];
alt_result[5] = tmp[5];
alt_result[6] = tmp[6];
alt_result[7] = tmp[7];
}
tmps[gid].alt_result[0] = alt_result[0];
tmps[gid].alt_result[1] = alt_result[1];
tmps[gid].alt_result[2] = alt_result[2];
tmps[gid].alt_result[3] = alt_result[3];
tmps[gid].alt_result[4] = alt_result[4];
tmps[gid].alt_result[5] = alt_result[5];
tmps[gid].alt_result[6] = alt_result[6];
tmps[gid].alt_result[7] = alt_result[7];
}
KERNEL_FQ void m07400_comp (KERN_ATTR_TMPS (sha256crypt_tmp_t))
{
/**
* base
*/
const u64 gid = get_global_id (0);
if (gid >= gid_max) return;
const u64 lid = get_local_id (0);
const u32 r0 = tmps[gid].alt_result[0];
const u32 r1 = tmps[gid].alt_result[1];
const u32 r2 = tmps[gid].alt_result[2];
const u32 r3 = tmps[gid].alt_result[3];
#define il_pos 0
#ifdef KERNEL_STATIC
#include COMPARE_M
#endif
}