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381 lines
8.9 KiB
Common Lisp
381 lines
8.9 KiB
Common Lisp
/**
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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 M2S(INCLUDE_PATH/inc_vendor.h)
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#include M2S(INCLUDE_PATH/inc_types.h)
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#include M2S(INCLUDE_PATH/inc_platform.cl)
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#include M2S(INCLUDE_PATH/inc_common.cl)
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#include M2S(INCLUDE_PATH/inc_simd.cl)
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#include M2S(INCLUDE_PATH/inc_hash_md5.cl)
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#include M2S(INCLUDE_PATH/inc_cipher_aes.cl)
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#endif
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#define COMPARE_S M2S(INCLUDE_PATH/inc_comp_single.cl)
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#define COMPARE_M M2S(INCLUDE_PATH/inc_comp_multi.cl)
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typedef struct encdatavault
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{
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u32 keychain[32];
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u32 iv[2];
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u32 ct[2];
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u32 algo;
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u32 version;
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u32 nb_keys;
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u32 key_len;
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} encdatavault_t;
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typedef struct encdatavault_tmp
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{
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u32 tmp_buf[4];
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u32 out_buf[4];
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} encdatavault_tmp_t;
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CONSTANT_VK u32a default_salts[32] =
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{
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0x0fc9e7d0, 0x8be424f6, 0x569d4e72, 0xedbc2c5c,
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0xdd7974f3, 0x3d8300c2, 0x9bd293d5, 0x7f9d9b8c,
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0x60850c47, 0x5846e296, 0x2d995d5e, 0xf1d06a28,
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0xe23f3d6b, 0x99614ba9, 0xc4edc5dd, 0xd8253ce1,
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0x2ca45989, 0x1d7852db, 0x3031d09f, 0x9f348835,
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0xdb1bb527, 0xe8214f79, 0xa0b2cb32, 0x42d9f20a,
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0xaea8b68e, 0xd07b62a1, 0x400e17c6, 0xad6420c8,
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0xeae3f44e, 0xaf4a8f84, 0xf1fab308, 0x8569bef8
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};
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KERNEL_FQ void m29940_init (KERN_ATTR_TMPS_ESALT (encdatavault_tmp_t, encdatavault_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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md5_ctx_t md5_ctx;
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md5_init (&md5_ctx);
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md5_update_global (&md5_ctx, pws[gid].i, pws[gid].pw_len);
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md5_final (&md5_ctx);
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tmps[gid].tmp_buf[0] = md5_ctx.h[0];
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tmps[gid].tmp_buf[1] = md5_ctx.h[1];
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tmps[gid].tmp_buf[2] = md5_ctx.h[2];
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tmps[gid].tmp_buf[3] = md5_ctx.h[3];
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tmps[gid].out_buf[0] = 0;
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tmps[gid].out_buf[1] = 0;
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tmps[gid].out_buf[2] = 0;
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tmps[gid].out_buf[3] = 0;
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}
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KERNEL_FQ void m29940_loop (KERN_ATTR_TMPS_ESALT (encdatavault_tmp_t, encdatavault_t))
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{
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const u64 gid = get_global_id (0);
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if ((gid * VECT_SIZE) >= GID_CNT) return;
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u32x digest[4];
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digest[0] = packv (tmps, tmp_buf, gid, 0);
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digest[1] = packv (tmps, tmp_buf, gid, 1);
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digest[2] = packv (tmps, tmp_buf, gid, 2);
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digest[3] = packv (tmps, tmp_buf, gid, 3);
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u32x out[4];
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out[0] = packv (tmps, out_buf, gid, 0);
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out[1] = packv (tmps, out_buf, gid, 1);
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out[2] = packv (tmps, out_buf, gid, 2);
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out[3] = packv (tmps, out_buf, gid, 3);
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u32x block0[4];
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u32x block1[4];
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u32x block2[4];
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u32x block3[4];
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block0[0] = 0;
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block0[1] = 0;
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block0[2] = 0;
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block0[3] = 0;
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block1[0] = 0x80;
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block1[1] = 0;
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block1[2] = 0;
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block1[3] = 0;
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block2[0] = 0;
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block2[1] = 0;
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block2[2] = 0;
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block2[3] = 0;
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block3[0] = 0;
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block3[1] = 0;
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block3[2] = 16 * 8;
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block3[3] = 0;
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for (u32 j = 0; j < LOOP_CNT; j++)
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{
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block0[0] = digest[0];
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block0[1] = digest[1];
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block0[2] = digest[2];
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block0[3] = digest[3];
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digest[0] = MD5M_A;
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digest[1] = MD5M_B;
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digest[2] = MD5M_C;
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digest[3] = MD5M_D;
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md5_transform_vector (block0, block1, block2, block3, digest);
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out[0] ^= digest[0];
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out[1] ^= digest[1];
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out[2] ^= digest[2];
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out[3] ^= digest[3];
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}
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unpackv (tmps, tmp_buf, gid, 0, digest[0]);
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unpackv (tmps, tmp_buf, gid, 1, digest[1]);
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unpackv (tmps, tmp_buf, gid, 2, digest[2]);
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unpackv (tmps, tmp_buf, gid, 3, digest[3]);
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unpackv (tmps, out_buf, gid, 0, out[0]);
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unpackv (tmps, out_buf, gid, 1, out[1]);
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unpackv (tmps, out_buf, gid, 2, out[2]);
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unpackv (tmps, out_buf, gid, 3, out[3]);
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}
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KERNEL_FQ void m29940_comp (KERN_ATTR_TMPS_ESALT (encdatavault_tmp_t, encdatavault_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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// decrypt keychain using PBKDF2 key
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#define ENC_MAX_KEY_NUM 8
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u32 keysalt[ENC_MAX_KEY_NUM][4];
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for (int i = 0, j = 0; i < ENC_MAX_KEY_NUM; i += 1, j += 4)
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{
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keysalt[i][0] = hc_swap32_S (tmps[gid].out_buf[0]) ^ default_salts[j + 0];
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keysalt[i][1] = hc_swap32_S (tmps[gid].out_buf[1]) ^ default_salts[j + 1];
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keysalt[i][2] = hc_swap32_S (tmps[gid].out_buf[2]) ^ default_salts[j + 2];
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keysalt[i][3] = hc_swap32_S (tmps[gid].out_buf[3]) ^ default_salts[j + 3];
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}
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u32 ukey[4];
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ukey[0] = keysalt[0][0];
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ukey[1] = keysalt[0][1];
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ukey[2] = keysalt[0][2];
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ukey[3] = keysalt[0][3];
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u32 ks[44];
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AES128_set_encrypt_key (ks, ukey, s_te0, s_te1, s_te2, s_te3);
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const u32 key_len = esalt_bufs[DIGESTS_OFFSET_HOST].key_len;
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#define ENC_MAX_KEY_NUM 8
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u32 ivs_keychain[ENC_MAX_KEY_NUM][2];
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ivs_keychain[0][0] = 0;
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ivs_keychain[0][1] = 0;
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for (int i = 1, j = 7; i < ENC_MAX_KEY_NUM; i += 1, j -= 1) // +4 is not a bug, 8/16 bytes are just discarded
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{
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ivs_keychain[i][0] = keysalt[j][0];
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ivs_keychain[i][1] = keysalt[j][1];
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}
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u32 ctr_keychain[ENC_MAX_KEY_NUM][4];
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#define ENC_KEYCHAIN_SIZE 128
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#define ENC_BLOCK_SIZE 16
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for (int i = 0, counter = 0; i < (ENC_KEYCHAIN_SIZE / ENC_BLOCK_SIZE); i++, counter++)
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{
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u32 in[4];
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in[0] = ivs_keychain[0][0];
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in[1] = ivs_keychain[0][1];
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in[2] = 0;
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in[3] = counter;
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u32 out[4];
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AES128_encrypt (ks, in, out, s_te0, s_te1, s_te2, s_te3, s_te4);
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ctr_keychain[i][0] = out[0];
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ctr_keychain[i][1] = out[1];
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ctr_keychain[i][2] = out[2];
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ctr_keychain[i][3] = out[3];
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for (int j = 1; j < ENC_MAX_KEY_NUM; j++)
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{
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in[0] = ivs_keychain[j][0];
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in[1] = ivs_keychain[j][1];
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in[2] = 0;
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in[3] = counter;
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AES128_encrypt (ks, in, out, s_te0, s_te1, s_te2, s_te3, s_te4);
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ctr_keychain[i][0] ^= out[0];
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ctr_keychain[i][1] ^= out[1];
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ctr_keychain[i][2] ^= out[2];
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ctr_keychain[i][3] ^= out[3];
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}
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}
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u32 keychain[ENC_MAX_KEY_NUM][4];
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for (int i = 0, j = 0; i < (ENC_KEYCHAIN_SIZE / ENC_BLOCK_SIZE); i += 1, j += 4)
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{
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keychain[i][0] = ctr_keychain[i][0] ^ esalt_bufs[DIGESTS_OFFSET_HOST].keychain[j + 0];
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keychain[i][1] = ctr_keychain[i][1] ^ esalt_bufs[DIGESTS_OFFSET_HOST].keychain[j + 1];
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keychain[i][2] = ctr_keychain[i][2] ^ esalt_bufs[DIGESTS_OFFSET_HOST].keychain[j + 2];
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keychain[i][3] = ctr_keychain[i][3] ^ esalt_bufs[DIGESTS_OFFSET_HOST].keychain[j + 3];
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}
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// decrypt encrypted data using keychain key
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ukey[0] = keychain[0][0];
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ukey[1] = keychain[0][1];
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ukey[2] = keychain[0][2];
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ukey[3] = keychain[0][3];
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AES128_set_encrypt_key (ks, ukey, s_te0, s_te1, s_te2, s_te3);
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u32 ivs[ENC_MAX_KEY_NUM][2];
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ivs[0][0] = esalt_bufs[DIGESTS_OFFSET_HOST].iv[0];
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ivs[0][1] = esalt_bufs[DIGESTS_OFFSET_HOST].iv[1];
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for (int i = 1; i < esalt_bufs[DIGESTS_OFFSET_HOST].nb_keys; i += 1) // +4 is not a bug, 8/16 bytes are just discarded
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{
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ivs[i][0] = esalt_bufs[DIGESTS_OFFSET_HOST].iv[0] ^ keychain[i][0];
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ivs[i][1] = esalt_bufs[DIGESTS_OFFSET_HOST].iv[1] ^ keychain[i][1];
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}
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#define CTR_LEN 16
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u32 ctr[ENC_MAX_KEY_NUM][4];
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for (int i = 0, counter = 1; i < (CTR_LEN / ENC_BLOCK_SIZE); i++, counter++) // is always just 1 iteration here, but concept is needed for later kernels
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{
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u32 in[4];
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in[0] = ivs[0][0];
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in[1] = ivs[0][1];
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in[2] = 0;
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in[3] = counter;
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u32 out[4];
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AES128_encrypt (ks, in, out, s_te0, s_te1, s_te2, s_te3, s_te4);
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ctr[i][0] = out[0];
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ctr[i][1] = out[1];
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ctr[i][2] = out[2];
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ctr[i][3] = out[3];
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for (int j = 1; j < esalt_bufs[DIGESTS_OFFSET_HOST].nb_keys; j++)
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{
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in[0] = ivs[j][0];
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in[1] = ivs[j][1];
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in[2] = 0;
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in[3] = counter;
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AES128_encrypt (ks, in, out, s_te0, s_te1, s_te2, s_te3, s_te4);
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ctr[i][0] ^= out[0];
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ctr[i][1] ^= out[1];
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ctr[i][2] ^= out[2];
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ctr[i][3] ^= out[3];
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}
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}
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u32 ct[2];
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ct[0] = esalt_bufs[DIGESTS_OFFSET_HOST].ct[0];
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ct[1] = esalt_bufs[DIGESTS_OFFSET_HOST].ct[1];
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u32 pt[2];
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pt[0] = ct[0] ^ ctr[0][1];
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pt[1] = ct[1] ^ ctr[0][2];
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if ((pt[0] == 0xd2c3b4a1) && ((pt[1] & 0xffffff00) == 0))
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{
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if (hc_atomic_inc (&hashes_shown[DIGESTS_OFFSET_HOST]) == 0)
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{
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mark_hash (plains_buf, d_return_buf, SALT_POS_HOST, DIGESTS_CNT, 0, DIGESTS_OFFSET_HOST + 0, gid, 0, 0, 0);
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}
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}
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}
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