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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_scalar.cl"
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#include "inc_hash_md5.cl"
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#include "inc_cipher_aes.cl"
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#endif
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typedef struct pem
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{
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u32 data_buf[16384];
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int data_len;
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int cipher;
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} pem_t;
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KERNEL_FQ void m22951_mxx (KERN_ATTR_VECTOR_ESALT (pem_t))
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{
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const u64 gid = get_global_id (0);
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const u64 lid = get_local_id (0);
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const u64 lsz = get_local_size (0);
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/**
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* aes shared
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*/
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#ifdef REAL_SHM
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LOCAL_VK u32 s_td0[256];
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LOCAL_VK u32 s_td1[256];
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LOCAL_VK u32 s_td2[256];
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LOCAL_VK u32 s_td3[256];
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LOCAL_VK u32 s_td4[256];
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LOCAL_VK u32 s_te0[256];
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LOCAL_VK u32 s_te1[256];
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LOCAL_VK u32 s_te2[256];
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LOCAL_VK u32 s_te3[256];
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LOCAL_VK u32 s_te4[256];
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for (u32 i = lid; i < 256; i += lsz)
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{
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s_td0[i] = td0[i];
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s_td1[i] = td1[i];
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s_td2[i] = td2[i];
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s_td3[i] = td3[i];
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s_td4[i] = td4[i];
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s_te0[i] = te0[i];
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s_te1[i] = te1[i];
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s_te2[i] = te2[i];
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s_te3[i] = te3[i];
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s_te4[i] = te4[i];
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}
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SYNC_THREADS ();
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#else
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CONSTANT_AS u32a *s_td0 = td0;
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CONSTANT_AS u32a *s_td1 = td1;
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CONSTANT_AS u32a *s_td2 = td2;
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CONSTANT_AS u32a *s_td3 = td3;
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CONSTANT_AS u32a *s_td4 = td4;
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CONSTANT_AS u32a *s_te0 = te0;
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CONSTANT_AS u32a *s_te1 = te1;
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CONSTANT_AS u32a *s_te2 = te2;
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CONSTANT_AS u32a *s_te3 = te3;
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CONSTANT_AS u32a *s_te4 = te4;
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#endif
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if (gid >= GID_CNT) return;
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/**
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* digest
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*/
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const u32 search[4] =
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{
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digests_buf[DIGESTS_OFFSET_HOST].digest_buf[0],
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digests_buf[DIGESTS_OFFSET_HOST].digest_buf[1],
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digests_buf[DIGESTS_OFFSET_HOST].digest_buf[2],
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digests_buf[DIGESTS_OFFSET_HOST].digest_buf[3]
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};
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/**
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* base
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*/
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u32 s[4];
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s[0] = salt_bufs[SALT_POS_HOST].salt_buf[0];
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s[1] = salt_bufs[SALT_POS_HOST].salt_buf[1];
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s[2] = salt_bufs[SALT_POS_HOST].salt_buf[2];
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s[3] = salt_bufs[SALT_POS_HOST].salt_buf[3];
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u32 first_data[4];
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first_data[0] = esalt_bufs[DIGESTS_OFFSET_HOST].data_buf[0];
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first_data[1] = esalt_bufs[DIGESTS_OFFSET_HOST].data_buf[1];
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first_data[2] = esalt_bufs[DIGESTS_OFFSET_HOST].data_buf[2];
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first_data[3] = esalt_bufs[DIGESTS_OFFSET_HOST].data_buf[3];
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const int data_len = esalt_bufs[DIGESTS_OFFSET_HOST].data_len;
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const int last_pad_pos = data_len - 1;
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const int last_pad_elem = last_pad_pos / 4;
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u32 iv[4];
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iv[0] = esalt_bufs[DIGESTS_OFFSET_HOST].data_buf[last_pad_elem - 7];
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iv[1] = esalt_bufs[DIGESTS_OFFSET_HOST].data_buf[last_pad_elem - 6];
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iv[2] = esalt_bufs[DIGESTS_OFFSET_HOST].data_buf[last_pad_elem - 5];
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iv[3] = esalt_bufs[DIGESTS_OFFSET_HOST].data_buf[last_pad_elem - 4];
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u32 enc[4];
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enc[0] = esalt_bufs[DIGESTS_OFFSET_HOST].data_buf[last_pad_elem - 3];
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enc[1] = esalt_bufs[DIGESTS_OFFSET_HOST].data_buf[last_pad_elem - 2];
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enc[2] = esalt_bufs[DIGESTS_OFFSET_HOST].data_buf[last_pad_elem - 1];
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enc[3] = esalt_bufs[DIGESTS_OFFSET_HOST].data_buf[last_pad_elem - 0];
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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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u32x w[64] = { 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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/**
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* loop
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*/
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u32x w0l = w[0];
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for (u32 il_pos = 0; il_pos < IL_CNT; il_pos += VECT_SIZE)
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{
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const u32x w0r = words_buf_r[il_pos / VECT_SIZE];
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const u32x w0 = w0l | w0r;
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w[0] = w0;
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md5_ctx_t ctx;
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md5_init (&ctx);
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md5_update (&ctx, w, pw_len);
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u32 t[16];
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t[ 0] = s[0];
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t[ 1] = s[1];
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t[ 2] = 0;
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t[ 3] = 0;
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t[ 4] = 0;
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t[ 5] = 0;
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t[ 6] = 0;
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t[ 7] = 0;
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t[ 8] = 0;
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t[ 9] = 0;
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t[10] = 0;
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t[11] = 0;
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t[12] = 0;
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t[13] = 0;
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t[14] = 0;
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t[15] = 0;
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md5_update (&ctx, t, 8);
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md5_final (&ctx);
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u32 ukey[8];
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ukey[0] = ctx.h[0];
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ukey[1] = ctx.h[1];
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ukey[2] = ctx.h[2];
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ukey[3] = ctx.h[3];
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md5_init (&ctx);
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ctx.w0[0] = ukey[0];
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ctx.w0[1] = ukey[1];
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ctx.w0[2] = ukey[2];
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ctx.w0[3] = ukey[3];
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ctx.len = 16;
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md5_update (&ctx, w, pw_len);
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md5_update (&ctx, t, 8);
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md5_final (&ctx);
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ukey[4] = ctx.h[0];
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ukey[5] = ctx.h[1];
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ukey[6] = ctx.h[2];
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ukey[7] = ctx.h[3];
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// AES
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ukey[0] = hc_swap32_S (ukey[0]);
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ukey[1] = hc_swap32_S (ukey[1]);
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ukey[2] = hc_swap32_S (ukey[2]);
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ukey[3] = hc_swap32_S (ukey[3]);
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ukey[4] = hc_swap32_S (ukey[4]);
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ukey[5] = hc_swap32_S (ukey[5]);
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ukey[6] = hc_swap32_S (ukey[6]);
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ukey[7] = hc_swap32_S (ukey[7]);
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u32 ks[60];
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AES256_set_decrypt_key (ks, ukey, s_te0, s_te1, s_te2, s_te3, s_td0, s_td1, s_td2, s_td3);
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u32 dec[4];
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// first check the padding
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aes256_decrypt (ks, enc, dec, s_td0, s_td1, s_td2, s_td3, s_td4);
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dec[0] ^= iv[0];
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dec[1] ^= iv[1];
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dec[2] ^= iv[2];
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dec[3] ^= iv[3];
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const int paddingv = pkcs_padding_bs16 (dec, 16);
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if (paddingv == -1) continue;
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// second check (naive code) ASN.1 structure
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aes256_decrypt (ks, first_data, dec, s_td0, s_td1, s_td2, s_td3, s_td4);
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dec[0] ^= s[0];
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dec[1] ^= s[1];
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dec[2] ^= s[2];
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dec[3] ^= s[3];
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const int real_len = (data_len - 16) + paddingv;
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const int asn1_ok = asn1_detect (dec, real_len);
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if (asn1_ok == 0) continue;
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const u32 r0 = search[0];
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const u32 r1 = search[1];
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const u32 r2 = search[2];
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const u32 r3 = search[3];
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COMPARE_M_SCALAR (r0, r1, r2, r3);
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}
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}
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KERNEL_FQ void m22951_sxx (KERN_ATTR_VECTOR_ESALT (pem_t))
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{
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const u64 gid = get_global_id (0);
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const u64 lid = get_local_id (0);
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const u64 lsz = get_local_size (0);
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/**
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* aes shared
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*/
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#ifdef REAL_SHM
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LOCAL_VK u32 s_td0[256];
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LOCAL_VK u32 s_td1[256];
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LOCAL_VK u32 s_td2[256];
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LOCAL_VK u32 s_td3[256];
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LOCAL_VK u32 s_td4[256];
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LOCAL_VK u32 s_te0[256];
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LOCAL_VK u32 s_te1[256];
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LOCAL_VK u32 s_te2[256];
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LOCAL_VK u32 s_te3[256];
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LOCAL_VK u32 s_te4[256];
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for (u32 i = lid; i < 256; i += lsz)
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{
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s_td0[i] = td0[i];
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s_td1[i] = td1[i];
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s_td2[i] = td2[i];
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s_td3[i] = td3[i];
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s_td4[i] = td4[i];
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s_te0[i] = te0[i];
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s_te1[i] = te1[i];
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s_te2[i] = te2[i];
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s_te3[i] = te3[i];
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s_te4[i] = te4[i];
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}
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SYNC_THREADS ();
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#else
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CONSTANT_AS u32a *s_td0 = td0;
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CONSTANT_AS u32a *s_td1 = td1;
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CONSTANT_AS u32a *s_td2 = td2;
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CONSTANT_AS u32a *s_td3 = td3;
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CONSTANT_AS u32a *s_td4 = td4;
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CONSTANT_AS u32a *s_te0 = te0;
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CONSTANT_AS u32a *s_te1 = te1;
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CONSTANT_AS u32a *s_te2 = te2;
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CONSTANT_AS u32a *s_te3 = te3;
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CONSTANT_AS u32a *s_te4 = te4;
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#endif
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if (gid >= GID_CNT) return;
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/**
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* digest
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*/
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const u32 search[4] =
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{
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digests_buf[DIGESTS_OFFSET_HOST].digest_buf[0],
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digests_buf[DIGESTS_OFFSET_HOST].digest_buf[1],
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digests_buf[DIGESTS_OFFSET_HOST].digest_buf[2],
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digests_buf[DIGESTS_OFFSET_HOST].digest_buf[3]
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};
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/**
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* base
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*/
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u32 s[4];
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s[0] = salt_bufs[SALT_POS_HOST].salt_buf[0];
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s[1] = salt_bufs[SALT_POS_HOST].salt_buf[1];
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s[2] = salt_bufs[SALT_POS_HOST].salt_buf[2];
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s[3] = salt_bufs[SALT_POS_HOST].salt_buf[3];
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u32 first_data[4];
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first_data[0] = esalt_bufs[DIGESTS_OFFSET_HOST].data_buf[0];
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first_data[1] = esalt_bufs[DIGESTS_OFFSET_HOST].data_buf[1];
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first_data[2] = esalt_bufs[DIGESTS_OFFSET_HOST].data_buf[2];
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first_data[3] = esalt_bufs[DIGESTS_OFFSET_HOST].data_buf[3];
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const int data_len = esalt_bufs[DIGESTS_OFFSET_HOST].data_len;
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const int last_pad_pos = data_len - 1;
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const int last_pad_elem = last_pad_pos / 4;
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|
|
u32 iv[4];
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|
|
iv[0] = esalt_bufs[DIGESTS_OFFSET_HOST].data_buf[last_pad_elem - 7];
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|
|
iv[1] = esalt_bufs[DIGESTS_OFFSET_HOST].data_buf[last_pad_elem - 6];
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|
|
iv[2] = esalt_bufs[DIGESTS_OFFSET_HOST].data_buf[last_pad_elem - 5];
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|
|
iv[3] = esalt_bufs[DIGESTS_OFFSET_HOST].data_buf[last_pad_elem - 4];
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|
|
u32 enc[4];
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|
|
enc[0] = esalt_bufs[DIGESTS_OFFSET_HOST].data_buf[last_pad_elem - 3];
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|
enc[1] = esalt_bufs[DIGESTS_OFFSET_HOST].data_buf[last_pad_elem - 2];
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|
|
enc[2] = esalt_bufs[DIGESTS_OFFSET_HOST].data_buf[last_pad_elem - 1];
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|
|
enc[3] = esalt_bufs[DIGESTS_OFFSET_HOST].data_buf[last_pad_elem - 0];
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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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|
|
u32x w[64] = { 0 };
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|
|
for (u32 i = 0, idx = 0; i < pw_len; i += 4, idx += 1)
|
|
|
|
{
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|
|
|
w[idx] = pws[gid].i[idx];
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|
|
}
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|
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|
|
|
/**
|
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|
|
* loop
|
|
|
|
*/
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|
|
|
|
u32x w0l = w[0];
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|
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|
|
for (u32 il_pos = 0; il_pos < IL_CNT; il_pos += VECT_SIZE)
|
|
|
|
{
|
|
|
|
const u32x w0r = words_buf_r[il_pos / VECT_SIZE];
|
|
|
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|
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|
|
const u32x w0 = w0l | w0r;
|
|
|
|
|
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|
|
w[0] = w0;
|
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|
|
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|
|
md5_ctx_t ctx;
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|
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|
|
|
|
|
md5_init (&ctx);
|
|
|
|
|
|
|
|
md5_update (&ctx, w, pw_len);
|
|
|
|
|
|
|
|
u32 t[16];
|
|
|
|
|
|
|
|
t[ 0] = s[0];
|
|
|
|
t[ 1] = s[1];
|
|
|
|
t[ 2] = 0;
|
|
|
|
t[ 3] = 0;
|
|
|
|
t[ 4] = 0;
|
|
|
|
t[ 5] = 0;
|
|
|
|
t[ 6] = 0;
|
|
|
|
t[ 7] = 0;
|
|
|
|
t[ 8] = 0;
|
|
|
|
t[ 9] = 0;
|
|
|
|
t[10] = 0;
|
|
|
|
t[11] = 0;
|
|
|
|
t[12] = 0;
|
|
|
|
t[13] = 0;
|
|
|
|
t[14] = 0;
|
|
|
|
t[15] = 0;
|
|
|
|
|
|
|
|
md5_update (&ctx, t, 8);
|
|
|
|
|
|
|
|
md5_final (&ctx);
|
|
|
|
|
|
|
|
u32 ukey[8];
|
|
|
|
|
|
|
|
ukey[0] = ctx.h[0];
|
|
|
|
ukey[1] = ctx.h[1];
|
|
|
|
ukey[2] = ctx.h[2];
|
|
|
|
ukey[3] = ctx.h[3];
|
|
|
|
|
|
|
|
md5_init (&ctx);
|
|
|
|
|
|
|
|
ctx.w0[0] = ukey[0];
|
|
|
|
ctx.w0[1] = ukey[1];
|
|
|
|
ctx.w0[2] = ukey[2];
|
|
|
|
ctx.w0[3] = ukey[3];
|
|
|
|
|
|
|
|
ctx.len = 16;
|
|
|
|
|
|
|
|
md5_update (&ctx, w, pw_len);
|
|
|
|
|
|
|
|
md5_update (&ctx, t, 8);
|
|
|
|
|
|
|
|
md5_final (&ctx);
|
|
|
|
|
|
|
|
ukey[4] = ctx.h[0];
|
|
|
|
ukey[5] = ctx.h[1];
|
|
|
|
ukey[6] = ctx.h[2];
|
|
|
|
ukey[7] = ctx.h[3];
|
|
|
|
|
|
|
|
// AES
|
|
|
|
|
|
|
|
ukey[0] = hc_swap32_S (ukey[0]);
|
|
|
|
ukey[1] = hc_swap32_S (ukey[1]);
|
|
|
|
ukey[2] = hc_swap32_S (ukey[2]);
|
|
|
|
ukey[3] = hc_swap32_S (ukey[3]);
|
|
|
|
ukey[4] = hc_swap32_S (ukey[4]);
|
|
|
|
ukey[5] = hc_swap32_S (ukey[5]);
|
|
|
|
ukey[6] = hc_swap32_S (ukey[6]);
|
|
|
|
ukey[7] = hc_swap32_S (ukey[7]);
|
|
|
|
|
|
|
|
u32 ks[60];
|
|
|
|
|
|
|
|
AES256_set_decrypt_key (ks, ukey, s_te0, s_te1, s_te2, s_te3, s_td0, s_td1, s_td2, s_td3);
|
|
|
|
|
|
|
|
u32 dec[4];
|
|
|
|
|
|
|
|
// first check the padding
|
|
|
|
|
|
|
|
aes256_decrypt (ks, enc, dec, s_td0, s_td1, s_td2, s_td3, s_td4);
|
|
|
|
|
|
|
|
dec[0] ^= iv[0];
|
|
|
|
dec[1] ^= iv[1];
|
|
|
|
dec[2] ^= iv[2];
|
|
|
|
dec[3] ^= iv[3];
|
|
|
|
|
|
|
|
const int paddingv = pkcs_padding_bs16 (dec, 16);
|
|
|
|
|
|
|
|
if (paddingv == -1) continue;
|
|
|
|
|
|
|
|
// second check (naive code) ASN.1 structure
|
|
|
|
|
|
|
|
aes256_decrypt (ks, first_data, dec, s_td0, s_td1, s_td2, s_td3, s_td4);
|
|
|
|
|
|
|
|
dec[0] ^= s[0];
|
|
|
|
dec[1] ^= s[1];
|
|
|
|
dec[2] ^= s[2];
|
|
|
|
dec[3] ^= s[3];
|
|
|
|
|
|
|
|
const int real_len = (data_len - 16) + paddingv;
|
|
|
|
|
|
|
|
const int asn1_ok = asn1_detect (dec, real_len);
|
|
|
|
|
|
|
|
if (asn1_ok == 0) continue;
|
|
|
|
|
|
|
|
const u32 r0 = search[0];
|
|
|
|
const u32 r1 = search[1];
|
|
|
|
const u32 r2 = search[2];
|
|
|
|
const u32 r3 = search[3];
|
|
|
|
|
|
|
|
COMPARE_S_SCALAR (r0, r1, r2, r3);
|
|
|
|
}
|
|
|
|
}
|