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319 lines
7.5 KiB
Common Lisp
319 lines
7.5 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 "inc_vendor.h"
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#include "inc_types.h"
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#include "inc_common.cl"
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#include "inc_simd.cl"
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#include "inc_hash_sha256.cl"
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#include "inc_hash_sha512.cl"
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#include "inc_hash_ripemd160.cl"
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#include "inc_cipher_serpent.cl"
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#endif
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#define LUKS_STRIPES 4000
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typedef enum hc_luks_hash_type
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{
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HC_LUKS_HASH_TYPE_SHA1 = 1,
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HC_LUKS_HASH_TYPE_SHA256 = 2,
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HC_LUKS_HASH_TYPE_SHA512 = 3,
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HC_LUKS_HASH_TYPE_RIPEMD160 = 4,
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HC_LUKS_HASH_TYPE_WHIRLPOOL = 5,
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} hc_luks_hash_type_t;
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typedef enum hc_luks_key_size
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{
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HC_LUKS_KEY_SIZE_128 = 128,
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HC_LUKS_KEY_SIZE_256 = 256,
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HC_LUKS_KEY_SIZE_512 = 512,
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} hc_luks_key_size_t;
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typedef enum hc_luks_cipher_type
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{
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HC_LUKS_CIPHER_TYPE_AES = 1,
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HC_LUKS_CIPHER_TYPE_SERPENT = 2,
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HC_LUKS_CIPHER_TYPE_TWOFISH = 3,
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} hc_luks_cipher_type_t;
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typedef enum hc_luks_cipher_mode
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{
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HC_LUKS_CIPHER_MODE_CBC_ESSIV = 1,
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HC_LUKS_CIPHER_MODE_CBC_PLAIN = 2,
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HC_LUKS_CIPHER_MODE_XTS_PLAIN = 3,
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} hc_luks_cipher_mode_t;
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typedef struct luks
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{
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int hash_type; // hc_luks_hash_type_t
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int key_size; // hc_luks_key_size_t
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int cipher_type; // hc_luks_cipher_type_t
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int cipher_mode; // hc_luks_cipher_mode_t
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u32 ct_buf[128];
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u32 af_src_buf[((HC_LUKS_KEY_SIZE_512 / 8) * LUKS_STRIPES) / 4];
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} luks_t;
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typedef struct luks_tmp
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{
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u32 ipad32[8];
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u64 ipad64[8];
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u32 opad32[8];
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u64 opad64[8];
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u32 dgst32[32];
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u64 dgst64[16];
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u32 out32[32];
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u64 out64[16];
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} luks_tmp_t;
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#ifdef KERNEL_STATIC
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#include "inc_luks_af.cl"
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#include "inc_luks_essiv.cl"
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#include "inc_luks_xts.cl"
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#include "inc_luks_serpent.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 MAX_ENTROPY 7.0
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DECLSPEC static void hmac_ripemd160_run_V (u32x *w0, u32x *w1, u32x *w2, u32x *w3, u32x *ipad, u32x *opad, u32x *digest)
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{
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digest[0] = ipad[0];
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digest[1] = ipad[1];
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digest[2] = ipad[2];
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digest[3] = ipad[3];
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digest[4] = ipad[4];
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ripemd160_transform_vector (w0, w1, w2, w3, digest);
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w0[0] = digest[0];
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w0[1] = digest[1];
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w0[2] = digest[2];
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w0[3] = digest[3];
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w1[0] = digest[4];
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w1[1] = 0x80;
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w1[2] = 0;
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w1[3] = 0;
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w2[0] = 0;
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w2[1] = 0;
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w2[2] = 0;
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w2[3] = 0;
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w3[0] = 0;
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w3[1] = 0;
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w3[2] = (64 + 20) * 8;
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w3[3] = 0;
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digest[0] = opad[0];
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digest[1] = opad[1];
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digest[2] = opad[2];
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digest[3] = opad[3];
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digest[4] = opad[4];
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ripemd160_transform_vector (w0, w1, w2, w3, digest);
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}
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KERNEL_FQ void m14642_init (KERN_ATTR_TMPS_ESALT (luks_tmp_t, luks_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_max) return;
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ripemd160_hmac_ctx_t ripemd160_hmac_ctx;
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ripemd160_hmac_init_global (&ripemd160_hmac_ctx, pws[gid].i, pws[gid].pw_len);
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tmps[gid].ipad32[0] = ripemd160_hmac_ctx.ipad.h[0];
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tmps[gid].ipad32[1] = ripemd160_hmac_ctx.ipad.h[1];
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tmps[gid].ipad32[2] = ripemd160_hmac_ctx.ipad.h[2];
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tmps[gid].ipad32[3] = ripemd160_hmac_ctx.ipad.h[3];
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tmps[gid].ipad32[4] = ripemd160_hmac_ctx.ipad.h[4];
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tmps[gid].opad32[0] = ripemd160_hmac_ctx.opad.h[0];
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tmps[gid].opad32[1] = ripemd160_hmac_ctx.opad.h[1];
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tmps[gid].opad32[2] = ripemd160_hmac_ctx.opad.h[2];
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tmps[gid].opad32[3] = ripemd160_hmac_ctx.opad.h[3];
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tmps[gid].opad32[4] = ripemd160_hmac_ctx.opad.h[4];
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ripemd160_hmac_update_global (&ripemd160_hmac_ctx, salt_bufs[salt_pos].salt_buf, salt_bufs[salt_pos].salt_len);
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const u32 key_size = esalt_bufs[digests_offset].key_size;
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for (u32 i = 0, j = 1; i < ((key_size / 8) / 4); i += 5, j += 1)
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{
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ripemd160_hmac_ctx_t ripemd160_hmac_ctx2 = ripemd160_hmac_ctx;
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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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w0[0] = j << 24;
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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;
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w1[3] = 0;
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w2[0] = 0;
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w2[1] = 0;
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w2[2] = 0;
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w2[3] = 0;
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w3[0] = 0;
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w3[1] = 0;
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w3[2] = 0;
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w3[3] = 0;
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ripemd160_hmac_update_64 (&ripemd160_hmac_ctx2, w0, w1, w2, w3, 4);
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ripemd160_hmac_final (&ripemd160_hmac_ctx2);
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tmps[gid].dgst32[i + 0] = ripemd160_hmac_ctx2.opad.h[0];
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tmps[gid].dgst32[i + 1] = ripemd160_hmac_ctx2.opad.h[1];
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tmps[gid].dgst32[i + 2] = ripemd160_hmac_ctx2.opad.h[2];
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tmps[gid].dgst32[i + 3] = ripemd160_hmac_ctx2.opad.h[3];
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tmps[gid].dgst32[i + 4] = ripemd160_hmac_ctx2.opad.h[4];
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tmps[gid].out32[i + 0] = tmps[gid].dgst32[i + 0];
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tmps[gid].out32[i + 1] = tmps[gid].dgst32[i + 1];
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tmps[gid].out32[i + 2] = tmps[gid].dgst32[i + 2];
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tmps[gid].out32[i + 3] = tmps[gid].dgst32[i + 3];
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tmps[gid].out32[i + 4] = tmps[gid].dgst32[i + 4];
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}
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}
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KERNEL_FQ void m14642_loop (KERN_ATTR_TMPS_ESALT (luks_tmp_t, luks_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_max) return;
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u32x ipad[5];
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u32x opad[5];
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ipad[0] = packv (tmps, ipad32, gid, 0);
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ipad[1] = packv (tmps, ipad32, gid, 1);
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ipad[2] = packv (tmps, ipad32, gid, 2);
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ipad[3] = packv (tmps, ipad32, gid, 3);
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ipad[4] = packv (tmps, ipad32, gid, 4);
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opad[0] = packv (tmps, opad32, gid, 0);
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opad[1] = packv (tmps, opad32, gid, 1);
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opad[2] = packv (tmps, opad32, gid, 2);
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opad[3] = packv (tmps, opad32, gid, 3);
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opad[4] = packv (tmps, opad32, gid, 4);
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u32 key_size = esalt_bufs[digests_offset].key_size;
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for (u32 i = 0; i < ((key_size / 8) / 4); i += 5)
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{
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u32x dgst[5];
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u32x out[5];
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dgst[0] = packv (tmps, dgst32, gid, i + 0);
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dgst[1] = packv (tmps, dgst32, gid, i + 1);
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dgst[2] = packv (tmps, dgst32, gid, i + 2);
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dgst[3] = packv (tmps, dgst32, gid, i + 3);
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dgst[4] = packv (tmps, dgst32, gid, i + 4);
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out[0] = packv (tmps, out32, gid, i + 0);
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out[1] = packv (tmps, out32, gid, i + 1);
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out[2] = packv (tmps, out32, gid, i + 2);
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out[3] = packv (tmps, out32, gid, i + 3);
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out[4] = packv (tmps, out32, gid, i + 4);
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for (u32 j = 0; j < loop_cnt; j++)
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{
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u32x w0[4];
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u32x w1[4];
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u32x w2[4];
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u32x w3[4];
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w0[0] = dgst[0];
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w0[1] = dgst[1];
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w0[2] = dgst[2];
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w0[3] = dgst[3];
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w1[0] = dgst[4];
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w1[1] = 0x80;
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w1[2] = 0;
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w1[3] = 0;
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w2[0] = 0;
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w2[1] = 0;
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w2[2] = 0;
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w2[3] = 0;
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w3[0] = 0;
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w3[1] = 0;
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w3[2] = (64 + 20) * 8;
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w3[3] = 0;
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hmac_ripemd160_run_V (w0, w1, w2, w3, ipad, opad, dgst);
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out[0] ^= dgst[0];
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out[1] ^= dgst[1];
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out[2] ^= dgst[2];
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out[3] ^= dgst[3];
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out[4] ^= dgst[4];
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}
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unpackv (tmps, dgst32, gid, i + 0, dgst[0]);
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unpackv (tmps, dgst32, gid, i + 1, dgst[1]);
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unpackv (tmps, dgst32, gid, i + 2, dgst[2]);
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unpackv (tmps, dgst32, gid, i + 3, dgst[3]);
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unpackv (tmps, dgst32, gid, i + 4, dgst[4]);
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unpackv (tmps, out32, gid, i + 0, out[0]);
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unpackv (tmps, out32, gid, i + 1, out[1]);
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unpackv (tmps, out32, gid, i + 2, out[2]);
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unpackv (tmps, out32, gid, i + 3, out[3]);
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unpackv (tmps, out32, gid, i + 4, out[4]);
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}
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}
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KERNEL_FQ void m14642_comp (KERN_ATTR_TMPS_ESALT (luks_tmp_t, luks_t))
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{
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const u64 gid = get_global_id (0);
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if (gid >= gid_max) return;
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// decrypt AF with first pbkdf2 result
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// merge AF to masterkey
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// decrypt first payload sector with masterkey
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u32 pt_buf[128];
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luks_af_ripemd160_then_serpent_decrypt (&esalt_bufs[digests_offset], &tmps[gid], pt_buf);
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// check entropy
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const float entropy = hc_get_entropy (pt_buf, 128);
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if (entropy < MAX_ENTROPY)
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{
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if (atomic_inc (&hashes_shown[digests_offset]) == 0)
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{
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mark_hash (plains_buf, d_return_buf, salt_pos, digests_cnt, 0, 0, gid, 0, 0, 0);
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}
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}
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}
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