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102 lines
2.4 KiB
Common Lisp
102 lines
2.4 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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#include "inc_vendor.h"
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#include "inc_types.h"
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#include "inc_platform.h"
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#include "inc_common.h"
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#include "inc_hash_sha256.h"
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#include "inc_luks_essiv.h"
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DECLSPEC void ESSIV_sha256_init128 (PRIVATE_AS u32 *key, PRIVATE_AS u32 *essivhash)
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{
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essivhash[0] = SHA256M_A;
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essivhash[1] = SHA256M_B;
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essivhash[2] = SHA256M_C;
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essivhash[3] = SHA256M_D;
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essivhash[4] = SHA256M_E;
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essivhash[5] = SHA256M_F;
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essivhash[6] = SHA256M_G;
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essivhash[7] = SHA256M_H;
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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] = hc_swap32_S (key[0]);
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w0[1] = hc_swap32_S (key[1]);
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w0[2] = hc_swap32_S (key[2]);
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w0[3] = hc_swap32_S (key[3]);
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w1[0] = 0x80000000;
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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] = 16 * 8;
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sha256_transform (w0, w1, w2, w3, essivhash);
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essivhash[0] = hc_swap32_S (essivhash[0]);
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essivhash[1] = hc_swap32_S (essivhash[1]);
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essivhash[2] = hc_swap32_S (essivhash[2]);
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essivhash[3] = hc_swap32_S (essivhash[3]);
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essivhash[4] = hc_swap32_S (essivhash[4]);
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essivhash[5] = hc_swap32_S (essivhash[5]);
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essivhash[6] = hc_swap32_S (essivhash[6]);
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essivhash[7] = hc_swap32_S (essivhash[7]);
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}
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DECLSPEC void ESSIV_sha256_init256 (PRIVATE_AS u32 *key, PRIVATE_AS u32 *essivhash)
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{
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essivhash[0] = SHA256M_A;
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essivhash[1] = SHA256M_B;
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essivhash[2] = SHA256M_C;
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essivhash[3] = SHA256M_D;
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essivhash[4] = SHA256M_E;
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essivhash[5] = SHA256M_F;
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essivhash[6] = SHA256M_G;
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essivhash[7] = SHA256M_H;
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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] = hc_swap32_S (key[0]);
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w0[1] = hc_swap32_S (key[1]);
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w0[2] = hc_swap32_S (key[2]);
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w0[3] = hc_swap32_S (key[3]);
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w1[0] = hc_swap32_S (key[4]);
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w1[1] = hc_swap32_S (key[5]);
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w1[2] = hc_swap32_S (key[6]);
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w1[3] = hc_swap32_S (key[7]);
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w2[0] = 0x80000000;
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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] = 32 * 8;
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sha256_transform (w0, w1, w2, w3, essivhash);
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essivhash[0] = hc_swap32_S (essivhash[0]);
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essivhash[1] = hc_swap32_S (essivhash[1]);
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essivhash[2] = hc_swap32_S (essivhash[2]);
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essivhash[3] = hc_swap32_S (essivhash[3]);
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essivhash[4] = hc_swap32_S (essivhash[4]);
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essivhash[5] = hc_swap32_S (essivhash[5]);
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essivhash[6] = hc_swap32_S (essivhash[6]);
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essivhash[7] = hc_swap32_S (essivhash[7]);
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}
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