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/**
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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_sha384.cl"
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#endif
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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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#define SNMPV3_SALT_MAX 1500
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#define SNMPV3_ENGINEID_MAX 34
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#define SNMPV3_MSG_AUTH_PARAMS_MAX 32
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#define SNMPV3_ROUNDS 1048576
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#define SNMPV3_MAX_PW_LENGTH 128
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#define SNMPV3_TMP_ELEMS 8192 // 8192 = (256 (max pw length) * SNMPV3_MAX_PW_LENGTH) / sizeof (u32)
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#define SNMPV3_HASH_ELEMS 8
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#define SNMPV3_MAX_SALT_ELEMS 512 // 512 * 4 = 2048 > 1500, also has to be multiple of SNMPV3_MAX_PW_LENGTH
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#define SNMPV3_MAX_ENGINE_ELEMS 32 // 32 * 4 = 128 > 34, also has to be multiple of SNMPV3_MAX_PW_LENGTH
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#define SNMPV3_MAX_PNUM_ELEMS 4 // 4 * 4 = 16 > 9
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#define SNMPV3_MAX_PW_LENGTH_OPT 32
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#define SNMPV3_TMP_ELEMS_OPT ((SNMPV3_MAX_PW_LENGTH_OPT * SNMPV3_MAX_PW_LENGTH) / 4)
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// (32 * 128) / 4 = 1024
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// for pw length > 32 we use global memory reads
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typedef struct hmac_sha384_tmp
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{
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u32 tmp[SNMPV3_TMP_ELEMS];
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u64 h[SNMPV3_HASH_ELEMS];
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} hmac_sha384_tmp_t;
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typedef struct snmpv3
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{
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u32 salt_buf[SNMPV3_MAX_SALT_ELEMS];
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u32 salt_len;
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u32 engineID_buf[SNMPV3_MAX_ENGINE_ELEMS];
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u32 engineID_len;
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u32 packet_number[SNMPV3_MAX_PNUM_ELEMS];
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} snmpv3_t;
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KERNEL_FQ void m26900_init (KERN_ATTR_TMPS_ESALT (hmac_sha384_tmp_t, snmpv3_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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/**
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* base
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*/
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const u32 pw_len = pws[gid].pw_len;
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u32 w[128] = { 0 };
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for (u32 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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u8 *src_ptr = (u8 *) w;
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// password 128 times, also swapped
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u32 dst_buf[32];
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u8 *dst_ptr = (u8 *) dst_buf;
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int tmp_idx = 0;
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for (int i = 0; i < 128; i++)
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{
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for (u32 j = 0; j < pw_len; j++)
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{
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const int dst_idx = tmp_idx & 127;
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dst_ptr[dst_idx] = src_ptr[j];
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// write to global memory every time 64 byte are written into cache
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if (dst_idx == 127)
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{
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const int tmp_idx4 = (tmp_idx - 127) / 4;
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tmps[gid].tmp[tmp_idx4 + 0] = hc_swap32_S (dst_buf[ 0]);
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tmps[gid].tmp[tmp_idx4 + 1] = hc_swap32_S (dst_buf[ 1]);
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tmps[gid].tmp[tmp_idx4 + 2] = hc_swap32_S (dst_buf[ 2]);
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tmps[gid].tmp[tmp_idx4 + 3] = hc_swap32_S (dst_buf[ 3]);
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tmps[gid].tmp[tmp_idx4 + 4] = hc_swap32_S (dst_buf[ 4]);
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tmps[gid].tmp[tmp_idx4 + 5] = hc_swap32_S (dst_buf[ 5]);
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tmps[gid].tmp[tmp_idx4 + 6] = hc_swap32_S (dst_buf[ 6]);
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tmps[gid].tmp[tmp_idx4 + 7] = hc_swap32_S (dst_buf[ 7]);
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tmps[gid].tmp[tmp_idx4 + 8] = hc_swap32_S (dst_buf[ 8]);
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tmps[gid].tmp[tmp_idx4 + 9] = hc_swap32_S (dst_buf[ 9]);
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tmps[gid].tmp[tmp_idx4 + 10] = hc_swap32_S (dst_buf[10]);
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tmps[gid].tmp[tmp_idx4 + 11] = hc_swap32_S (dst_buf[11]);
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tmps[gid].tmp[tmp_idx4 + 12] = hc_swap32_S (dst_buf[12]);
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tmps[gid].tmp[tmp_idx4 + 13] = hc_swap32_S (dst_buf[13]);
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tmps[gid].tmp[tmp_idx4 + 14] = hc_swap32_S (dst_buf[14]);
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tmps[gid].tmp[tmp_idx4 + 15] = hc_swap32_S (dst_buf[15]);
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tmps[gid].tmp[tmp_idx4 + 16] = hc_swap32_S (dst_buf[16]);
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tmps[gid].tmp[tmp_idx4 + 17] = hc_swap32_S (dst_buf[17]);
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tmps[gid].tmp[tmp_idx4 + 18] = hc_swap32_S (dst_buf[18]);
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tmps[gid].tmp[tmp_idx4 + 19] = hc_swap32_S (dst_buf[19]);
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tmps[gid].tmp[tmp_idx4 + 20] = hc_swap32_S (dst_buf[20]);
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tmps[gid].tmp[tmp_idx4 + 21] = hc_swap32_S (dst_buf[21]);
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tmps[gid].tmp[tmp_idx4 + 22] = hc_swap32_S (dst_buf[22]);
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tmps[gid].tmp[tmp_idx4 + 23] = hc_swap32_S (dst_buf[23]);
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tmps[gid].tmp[tmp_idx4 + 24] = hc_swap32_S (dst_buf[24]);
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tmps[gid].tmp[tmp_idx4 + 25] = hc_swap32_S (dst_buf[25]);
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tmps[gid].tmp[tmp_idx4 + 26] = hc_swap32_S (dst_buf[26]);
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tmps[gid].tmp[tmp_idx4 + 27] = hc_swap32_S (dst_buf[27]);
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tmps[gid].tmp[tmp_idx4 + 28] = hc_swap32_S (dst_buf[28]);
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tmps[gid].tmp[tmp_idx4 + 29] = hc_swap32_S (dst_buf[29]);
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tmps[gid].tmp[tmp_idx4 + 30] = hc_swap32_S (dst_buf[30]);
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tmps[gid].tmp[tmp_idx4 + 31] = hc_swap32_S (dst_buf[31]);
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}
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tmp_idx++;
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}
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}
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// hash
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tmps[gid].h[0] = SHA384M_A;
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tmps[gid].h[1] = SHA384M_B;
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tmps[gid].h[2] = SHA384M_C;
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tmps[gid].h[3] = SHA384M_D;
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tmps[gid].h[4] = SHA384M_E;
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tmps[gid].h[5] = SHA384M_F;
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tmps[gid].h[6] = SHA384M_G;
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tmps[gid].h[7] = SHA384M_H;
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}
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KERNEL_FQ void m26900_loop (KERN_ATTR_TMPS_ESALT (hmac_sha384_tmp_t, snmpv3_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_CNT) return;
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u64 h[8];
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h[0] = tmps[gid].h[0];
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h[1] = tmps[gid].h[1];
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h[2] = tmps[gid].h[2];
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h[3] = tmps[gid].h[3];
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h[4] = tmps[gid].h[4];
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h[5] = tmps[gid].h[5];
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h[6] = tmps[gid].h[6];
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h[7] = tmps[gid].h[7];
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const u32 pw_len = pws[gid].pw_len;
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const int pw_len128 = pw_len * 128;
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if (pw_len <= SNMPV3_MAX_PW_LENGTH_OPT)
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{
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u32 tmp[SNMPV3_TMP_ELEMS_OPT];
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for (int i = 0; i < pw_len128 / 4; i++)
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{
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tmp[i] = tmps[gid].tmp[i];
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}
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for (u32 i = 0, j = LOOP_POS; i < LOOP_CNT; i += 128, j += 128)
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{
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const int idx = (j % pw_len128) / 4; // the optimization trick is to be able to do this
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u32 w0[4];
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u32 w1[4];
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u32 w2[4];
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u32 w3[4];
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u32 w4[4];
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u32 w5[4];
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u32 w6[4];
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u32 w7[4];
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w0[0] = tmp[idx + 0];
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w0[1] = tmp[idx + 1];
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w0[2] = tmp[idx + 2];
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w0[3] = tmp[idx + 3];
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w1[0] = tmp[idx + 4];
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w1[1] = tmp[idx + 5];
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w1[2] = tmp[idx + 6];
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w1[3] = tmp[idx + 7];
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w2[0] = tmp[idx + 8];
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w2[1] = tmp[idx + 9];
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w2[2] = tmp[idx + 10];
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w2[3] = tmp[idx + 11];
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w3[0] = tmp[idx + 12];
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w3[1] = tmp[idx + 13];
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w3[2] = tmp[idx + 14];
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w3[3] = tmp[idx + 15];
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w4[0] = tmp[idx + 16];
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w4[1] = tmp[idx + 17];
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w4[2] = tmp[idx + 18];
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w4[3] = tmp[idx + 19];
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w5[0] = tmp[idx + 20];
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w5[1] = tmp[idx + 21];
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w5[2] = tmp[idx + 22];
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w5[3] = tmp[idx + 23];
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w6[0] = tmp[idx + 24];
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w6[1] = tmp[idx + 25];
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w6[2] = tmp[idx + 26];
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w6[3] = tmp[idx + 27];
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w7[0] = tmp[idx + 28];
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w7[1] = tmp[idx + 29];
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w7[2] = tmp[idx + 30];
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w7[3] = tmp[idx + 31];
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sha384_transform (w0, w1, w2, w3, w4, w5, w6, w7, h);
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}
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}
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else
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{
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for (u32 i = 0, j = LOOP_POS; i < LOOP_CNT; i += 128, j += 128)
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{
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const int idx = (j % pw_len128) / 4; // the optimization trick is to be able to do this
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u32 w0[4];
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u32 w1[4];
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u32 w2[4];
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u32 w3[4];
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u32 w4[4];
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u32 w5[4];
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u32 w6[4];
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u32 w7[4];
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w0[0] = tmps[gid].tmp[idx + 0];
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w0[1] = tmps[gid].tmp[idx + 1];
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w0[2] = tmps[gid].tmp[idx + 2];
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w0[3] = tmps[gid].tmp[idx + 3];
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w1[0] = tmps[gid].tmp[idx + 4];
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w1[1] = tmps[gid].tmp[idx + 5];
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w1[2] = tmps[gid].tmp[idx + 6];
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w1[3] = tmps[gid].tmp[idx + 7];
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w2[0] = tmps[gid].tmp[idx + 8];
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w2[1] = tmps[gid].tmp[idx + 9];
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w2[2] = tmps[gid].tmp[idx + 10];
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w2[3] = tmps[gid].tmp[idx + 11];
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w3[0] = tmps[gid].tmp[idx + 12];
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w3[1] = tmps[gid].tmp[idx + 13];
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w3[2] = tmps[gid].tmp[idx + 14];
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w3[3] = tmps[gid].tmp[idx + 15];
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w4[0] = tmps[gid].tmp[idx + 16];
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w4[1] = tmps[gid].tmp[idx + 17];
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w4[2] = tmps[gid].tmp[idx + 18];
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w4[3] = tmps[gid].tmp[idx + 19];
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w5[0] = tmps[gid].tmp[idx + 20];
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w5[1] = tmps[gid].tmp[idx + 21];
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w5[2] = tmps[gid].tmp[idx + 22];
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w5[3] = tmps[gid].tmp[idx + 23];
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w6[0] = tmps[gid].tmp[idx + 24];
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w6[1] = tmps[gid].tmp[idx + 25];
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w6[2] = tmps[gid].tmp[idx + 26];
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w6[3] = tmps[gid].tmp[idx + 27];
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w7[0] = tmps[gid].tmp[idx + 28];
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w7[1] = tmps[gid].tmp[idx + 29];
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w7[2] = tmps[gid].tmp[idx + 30];
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w7[3] = tmps[gid].tmp[idx + 31];
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sha384_transform (w0, w1, w2, w3, w4, w5, w6, w7, h);
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}
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}
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tmps[gid].h[0] = h[0];
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tmps[gid].h[1] = h[1];
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tmps[gid].h[2] = h[2];
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tmps[gid].h[3] = h[3];
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tmps[gid].h[4] = h[4];
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tmps[gid].h[5] = h[5];
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tmps[gid].h[6] = h[6];
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tmps[gid].h[7] = h[7];
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}
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KERNEL_FQ void m26900_comp (KERN_ATTR_TMPS_ESALT (hmac_sha384_tmp_t, snmpv3_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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u32 w0[4];
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u32 w1[4];
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u32 w2[4];
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u32 w3[4];
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u32 w4[4];
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u32 w5[4];
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u32 w6[4];
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u32 w7[4];
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w0[0] = 0x80000000;
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w0[1] = 0;
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w0[2] = 0;
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w0[3] = 0;
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w1[0] = 0;
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w1[1] = 0;
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w1[2] = 0;
|
|
|
|
w1[3] = 0;
|
|
|
|
w2[0] = 0;
|
|
|
|
w2[1] = 0;
|
|
|
|
w2[2] = 0;
|
|
|
|
w2[3] = 0;
|
|
|
|
w3[0] = 0;
|
|
|
|
w3[1] = 0;
|
|
|
|
w3[2] = 0;
|
|
|
|
w3[3] = 0;
|
|
|
|
w4[0] = 0;
|
|
|
|
w4[1] = 0;
|
|
|
|
w4[2] = 0;
|
|
|
|
w4[3] = 0;
|
|
|
|
w5[0] = 0;
|
|
|
|
w5[1] = 0;
|
|
|
|
w5[2] = 0;
|
|
|
|
w5[3] = 0;
|
|
|
|
w6[0] = 0;
|
|
|
|
w6[1] = 0;
|
|
|
|
w6[2] = 0;
|
|
|
|
w6[3] = 0;
|
|
|
|
w7[0] = 0;
|
|
|
|
w7[1] = 0;
|
|
|
|
w7[2] = 0;
|
|
|
|
w7[3] = 1048576 * 8;
|
|
|
|
|
|
|
|
u64 h[8];
|
|
|
|
|
|
|
|
h[0] = tmps[gid].h[0];
|
|
|
|
h[1] = tmps[gid].h[1];
|
|
|
|
h[2] = tmps[gid].h[2];
|
|
|
|
h[3] = tmps[gid].h[3];
|
|
|
|
h[4] = tmps[gid].h[4];
|
|
|
|
h[5] = tmps[gid].h[5];
|
|
|
|
h[6] = tmps[gid].h[6];
|
|
|
|
h[7] = tmps[gid].h[7];
|
|
|
|
|
|
|
|
sha384_transform (w0, w1, w2, w3, w4, w5, w6, w7, h);
|
|
|
|
|
|
|
|
sha384_ctx_t ctx;
|
|
|
|
|
|
|
|
sha384_init (&ctx);
|
|
|
|
|
|
|
|
u32 w[32];
|
|
|
|
|
|
|
|
w[ 0] = h32_from_64_S (h[0]);
|
|
|
|
w[ 1] = l32_from_64_S (h[0]);
|
|
|
|
w[ 2] = h32_from_64_S (h[1]);
|
|
|
|
w[ 3] = l32_from_64_S (h[1]);
|
|
|
|
w[ 4] = h32_from_64_S (h[2]);
|
|
|
|
w[ 5] = l32_from_64_S (h[2]);
|
|
|
|
w[ 6] = h32_from_64_S (h[3]);
|
|
|
|
w[ 7] = l32_from_64_S (h[3]);
|
|
|
|
w[ 8] = h32_from_64_S (h[4]);
|
|
|
|
w[ 9] = l32_from_64_S (h[4]);
|
|
|
|
w[10] = h32_from_64_S (h[5]);
|
|
|
|
w[11] = l32_from_64_S (h[5]);
|
|
|
|
w[12] = 0;
|
|
|
|
w[13] = 0;
|
|
|
|
w[14] = 0;
|
|
|
|
w[15] = 0;
|
|
|
|
w[16] = 0;
|
|
|
|
w[17] = 0;
|
|
|
|
w[18] = 0;
|
|
|
|
w[19] = 0;
|
|
|
|
w[20] = 0;
|
|
|
|
w[21] = 0;
|
|
|
|
w[22] = 0;
|
|
|
|
w[23] = 0;
|
|
|
|
w[24] = 0;
|
|
|
|
w[25] = 0;
|
|
|
|
w[26] = 0;
|
|
|
|
w[27] = 0;
|
|
|
|
w[28] = 0;
|
|
|
|
w[29] = 0;
|
|
|
|
w[30] = 0;
|
|
|
|
w[31] = 0;
|
|
|
|
|
|
|
|
sha384_update (&ctx, w, 48);
|
|
|
|
|
|
|
|
sha384_update_global_swap (&ctx, esalt_bufs[DIGESTS_OFFSET_HOST].engineID_buf, esalt_bufs[DIGESTS_OFFSET_HOST].engineID_len);
|
|
|
|
|
|
|
|
w[ 0] = h32_from_64_S (h[0]);
|
|
|
|
w[ 1] = l32_from_64_S (h[0]);
|
|
|
|
w[ 2] = h32_from_64_S (h[1]);
|
|
|
|
w[ 3] = l32_from_64_S (h[1]);
|
|
|
|
w[ 4] = h32_from_64_S (h[2]);
|
|
|
|
w[ 5] = l32_from_64_S (h[2]);
|
|
|
|
w[ 6] = h32_from_64_S (h[3]);
|
|
|
|
w[ 7] = l32_from_64_S (h[3]);
|
|
|
|
w[ 8] = h32_from_64_S (h[4]);
|
|
|
|
w[ 9] = l32_from_64_S (h[4]);
|
|
|
|
w[10] = h32_from_64_S (h[5]);
|
|
|
|
w[11] = l32_from_64_S (h[5]);
|
|
|
|
w[12] = 0;
|
|
|
|
w[13] = 0;
|
|
|
|
w[14] = 0;
|
|
|
|
w[15] = 0;
|
|
|
|
w[16] = 0;
|
|
|
|
w[17] = 0;
|
|
|
|
w[18] = 0;
|
|
|
|
w[19] = 0;
|
|
|
|
w[20] = 0;
|
|
|
|
w[21] = 0;
|
|
|
|
w[22] = 0;
|
|
|
|
w[23] = 0;
|
|
|
|
w[24] = 0;
|
|
|
|
w[25] = 0;
|
|
|
|
w[26] = 0;
|
|
|
|
w[27] = 0;
|
|
|
|
w[28] = 0;
|
|
|
|
w[29] = 0;
|
|
|
|
w[30] = 0;
|
|
|
|
w[31] = 0;
|
|
|
|
|
|
|
|
sha384_update (&ctx, w, 48);
|
|
|
|
|
|
|
|
sha384_final (&ctx);
|
|
|
|
|
|
|
|
w[ 0] = h32_from_64_S (ctx.h[0]);
|
|
|
|
w[ 1] = l32_from_64_S (ctx.h[0]);
|
|
|
|
w[ 2] = h32_from_64_S (ctx.h[1]);
|
|
|
|
w[ 3] = l32_from_64_S (ctx.h[1]);
|
|
|
|
w[ 4] = h32_from_64_S (ctx.h[2]);
|
|
|
|
w[ 5] = l32_from_64_S (ctx.h[2]);
|
|
|
|
w[ 6] = h32_from_64_S (ctx.h[3]);
|
|
|
|
w[ 7] = l32_from_64_S (ctx.h[3]);
|
|
|
|
w[ 8] = h32_from_64_S (ctx.h[4]);
|
|
|
|
w[ 9] = l32_from_64_S (ctx.h[4]);
|
|
|
|
w[10] = h32_from_64_S (ctx.h[5]);
|
|
|
|
w[11] = l32_from_64_S (ctx.h[5]);
|
|
|
|
w[12] = 0;
|
|
|
|
w[13] = 0;
|
|
|
|
w[14] = 0;
|
|
|
|
w[15] = 0;
|
|
|
|
w[16] = 0;
|
|
|
|
w[17] = 0;
|
|
|
|
w[18] = 0;
|
|
|
|
w[19] = 0;
|
|
|
|
w[20] = 0;
|
|
|
|
w[21] = 0;
|
|
|
|
w[22] = 0;
|
|
|
|
w[23] = 0;
|
|
|
|
w[24] = 0;
|
|
|
|
w[25] = 0;
|
|
|
|
w[26] = 0;
|
|
|
|
w[27] = 0;
|
|
|
|
w[28] = 0;
|
|
|
|
w[29] = 0;
|
|
|
|
w[30] = 0;
|
|
|
|
w[31] = 0;
|
|
|
|
|
|
|
|
sha384_hmac_ctx_t hmac_ctx;
|
|
|
|
|
|
|
|
sha384_hmac_init (&hmac_ctx, w, 48);
|
|
|
|
|
|
|
|
sha384_hmac_update_global_swap (&hmac_ctx, esalt_bufs[DIGESTS_OFFSET_HOST].salt_buf, esalt_bufs[DIGESTS_OFFSET_HOST].salt_len);
|
|
|
|
|
|
|
|
sha384_hmac_final (&hmac_ctx);
|
|
|
|
|
|
|
|
const u32 r0 = l32_from_64 (hmac_ctx.opad.h[1]);
|
|
|
|
const u32 r1 = h32_from_64 (hmac_ctx.opad.h[1]);
|
|
|
|
const u32 r2 = l32_from_64 (hmac_ctx.opad.h[0]);
|
|
|
|
const u32 r3 = h32_from_64 (hmac_ctx.opad.h[0]);
|
|
|
|
|
|
|
|
#define il_pos 0
|
|
|
|
|
|
|
|
#ifdef KERNEL_STATIC
|
|
|
|
#include COMPARE_M
|
|
|
|
#endif
|
|
|
|
}
|