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Added swizzle optimization and OPTI_TYPE_SLOW_HASH_SIMD_LOOP

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This commit is contained in:
Gabriele Gristina 2020-12-26 07:18:29 +01:00
parent 99b5aa8f60
commit fe088595cd
2 changed files with 52 additions and 14 deletions
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63
OpenCL/m25100-pure.cl
View File

@ -5,6 +5,8 @@
//#define NEW_SIMD_CODE
#define SNMPV3_OPT1
#ifdef KERNEL_STATIC
#include "inc_vendor.h"
#include "inc_types.h"
@ -96,6 +98,30 @@ KERNEL_FQ void m25100_init (KERN_ATTR_TMPS_ESALT (hmac_md5_tmp_t, snmpv3_t))
u8 buf[72] = { 0 };
#ifdef SNMPV3_OPT1
buf[ 0] = as_uchar4 (h[0]).w;
buf[ 1] = as_uchar4 (h[0]).z;
buf[ 2] = as_uchar4 (h[0]).y;
buf[ 3] = as_uchar4 (h[0]).x;
buf[ 4] = as_uchar4 (h[1]).w;
buf[ 5] = as_uchar4 (h[1]).z;
buf[ 6] = as_uchar4 (h[1]).y;
buf[ 7] = as_uchar4 (h[1]).x;
buf[ 8] = as_uchar4 (h[2]).w;
buf[ 9] = as_uchar4 (h[2]).z;
buf[10] = as_uchar4 (h[2]).y;
buf[11] = as_uchar4 (h[2]).x;
buf[12] = as_uchar4 (h[3]).w;
buf[13] = as_uchar4 (h[3]).z;
buf[14] = as_uchar4 (h[3]).y;
buf[15] = as_uchar4 (h[3]).x;
#else // ! SNMPV3_OPT1
buf[ 0] = (h[0] >> 24) & 0xff;
buf[ 1] = (h[0] >> 16) & 0xff;
buf[ 2] = (h[0] >> 8) & 0xff;
@ -116,6 +142,8 @@ KERNEL_FQ void m25100_init (KERN_ATTR_TMPS_ESALT (hmac_md5_tmp_t, snmpv3_t))
buf[14] = (h[3] >> 8) & 0xff;
buf[15] = h[3] & 0xff;
#endif // SNMPV3_OPT1
u32 j;
u32 i = 16;
@ -149,26 +177,35 @@ KERNEL_FQ void m25100_loop (KERN_ATTR_TMPS_ESALT (hmac_md5_tmp_t, snmpv3_t))
const u64 gid = get_global_id (0);
if (gid >= gid_max) return;
if ((gid * VECT_SIZE) >= gid_max) return;
u32 key[16] = { 0 };
u32x key[16] = { 0 };
key[ 0] = tmps[gid].dgst[0];
key[ 1] = tmps[gid].dgst[1];
key[ 2] = tmps[gid].dgst[2];
key[ 3] = tmps[gid].dgst[3];
key[0] = packv (tmps, dgst, gid, 0);
key[1] = packv (tmps, dgst, gid, 1);
key[2] = packv (tmps, dgst, gid, 2);
key[3] = packv (tmps, dgst, gid, 3);
md5_hmac_ctx_t ctx;
u32x s[375] = { 0 };
md5_hmac_init (&ctx, key, 16);
const u32 salt_len = esalt_bufs[DIGESTS_OFFSET].salt_len;
md5_hmac_update_global (&ctx, esalt_bufs[DIGESTS_OFFSET].salt_buf, esalt_bufs[DIGESTS_OFFSET].salt_len);
for (u32 i = 0, idx = 0; i < salt_len; i += 4, idx += 1)
{
s[idx] = esalt_bufs[DIGESTS_OFFSET].salt_buf[idx];
}
md5_hmac_final (&ctx);
md5_hmac_ctx_vector_t ctx;
tmps[gid].out[0] = ctx.opad.h[DGST_R0];
tmps[gid].out[1] = ctx.opad.h[DGST_R1];
tmps[gid].out[2] = ctx.opad.h[DGST_R2];
md5_hmac_init_vector (&ctx, key, 16);
md5_hmac_update_vector (&ctx, s, salt_len);
md5_hmac_final_vector (&ctx);
unpackv (tmps, out, gid, 0, ctx.opad.h[DGST_R0]);
unpackv (tmps, out, gid, 1, ctx.opad.h[DGST_R1]);
unpackv (tmps, out, gid, 2, ctx.opad.h[DGST_R2]);
}
KERNEL_FQ void m25100_comp (KERN_ATTR_TMPS_ESALT (hmac_md5_tmp_t, snmpv3_t))

3
src/modules/module_25100.c
View File

@ -19,7 +19,8 @@ static const u32 DGST_SIZE = DGST_SIZE_4_4; // 4_3
static const u32 HASH_CATEGORY = HASH_CATEGORY_NETWORK_PROTOCOL;
static const char *HASH_NAME = "SNMPv3 HMAC-MD5-96";
static const u64 KERN_TYPE = 25100;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE
| OPTI_TYPE_SLOW_HASH_SIMD_LOOP;
static const u64 OPTS_TYPE = OPTS_TYPE_PT_GENERATE_LE
| OPTS_TYPE_HASH_COPY;
static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED;