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6a5b0c821e
Contains a kernel for the latest ODF 1.2 encryption implemented in LibreOffice. The algorithm uses a SHA-256 checksum, a PBKDF2-HMAC-SHA1 key derivation with 100000 iterations and key stretching and AES-CBC encryption. Valid hashes can be extracted with the libreoffice2john.py script, available from the John the Ripper Jumbo repository at https://github.com/magnumripper/JohnTheRipper/blob/bleeding-jumbo/run/libreoffice2john.py You have to remove the filename suffix at the end of the hash before passing it to hashcat. Also see 'hashcat -m18400 --example-hashes'. You can leave the filename prefix if you use the --username option to process those hashes. - Add hash-mode 18400 (Open Document Format (ODF) 1.2 (SHA-256, AES)) - Tests: add hash-mode 18400 (Open Document Format (ODF) 1.2 (SHA-256, AES))
453 lines
10 KiB
Common Lisp
453 lines
10 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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#include "inc_vendor.cl"
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#include "inc_hash_constants.h"
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#include "inc_hash_functions.cl"
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#include "inc_types.cl"
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#include "inc_common.cl"
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#include "inc_simd.cl"
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#include "inc_hash_sha1.cl"
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#include "inc_hash_sha256.cl"
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#include "inc_cipher_aes.cl"
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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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DECLSPEC void hmac_sha1_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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sha1_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] = 0x80000000;
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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] = (64 + 20) * 8;
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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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sha1_transform_vector (w0, w1, w2, w3, digest);
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}
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__kernel void m18400_init (KERN_ATTR_TMPS_ESALT (odf12_tmp_t, odf12_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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sha256_ctx_t sha256_ctx;
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sha256_init (&sha256_ctx);
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sha256_update_global_swap (&sha256_ctx, pws[gid].i, pws[gid].pw_len);
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sha256_final (&sha256_ctx);
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// hmac key = hashed passphrase
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u32 k0[4];
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u32 k1[4];
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u32 k2[4];
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u32 k3[4];
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k0[0] = sha256_ctx.h[0];
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k0[1] = sha256_ctx.h[1];
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k0[2] = sha256_ctx.h[2];
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k0[3] = sha256_ctx.h[3];
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k1[0] = sha256_ctx.h[4];
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k1[1] = sha256_ctx.h[5];
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k1[2] = sha256_ctx.h[6];
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k1[3] = sha256_ctx.h[7];
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k2[0] = 0;
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k2[1] = 0;
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k2[2] = 0;
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k2[3] = 0;
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k3[0] = 0;
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k3[1] = 0;
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k3[2] = 0;
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k3[3] = 0;
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// hmac message = salt
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u32 m0[4];
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u32 m1[4];
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u32 m2[4];
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u32 m3[4];
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m0[0] = swap32_S (salt_bufs[digests_offset].salt_buf[0]);
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m0[1] = swap32_S (salt_bufs[digests_offset].salt_buf[1]);
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m0[2] = swap32_S (salt_bufs[digests_offset].salt_buf[2]);
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m0[3] = swap32_S (salt_bufs[digests_offset].salt_buf[3]);
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m1[0] = 0;
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m1[1] = 0;
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m1[2] = 0;
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m1[3] = 0;
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m2[0] = 0;
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m2[1] = 0;
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m2[2] = 0;
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m2[3] = 0;
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m3[0] = 0;
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m3[1] = 0;
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m3[2] = 0;
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m3[3] = 0;
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sha1_hmac_ctx_t sha1_hmac_ctx;
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sha1_hmac_init_64 (&sha1_hmac_ctx, k0, k1, k2, k3);
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tmps[gid].ipad[0] = sha1_hmac_ctx.ipad.h[0];
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tmps[gid].ipad[1] = sha1_hmac_ctx.ipad.h[1];
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tmps[gid].ipad[2] = sha1_hmac_ctx.ipad.h[2];
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tmps[gid].ipad[3] = sha1_hmac_ctx.ipad.h[3];
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tmps[gid].ipad[4] = sha1_hmac_ctx.ipad.h[4];
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tmps[gid].opad[0] = sha1_hmac_ctx.opad.h[0];
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tmps[gid].opad[1] = sha1_hmac_ctx.opad.h[1];
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tmps[gid].opad[2] = sha1_hmac_ctx.opad.h[2];
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tmps[gid].opad[3] = sha1_hmac_ctx.opad.h[3];
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tmps[gid].opad[4] = sha1_hmac_ctx.opad.h[4];
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// first pbkdf iteration; key stretching
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for (u32 i = 0, j = 1; i < 8; i += 5, j += 1)
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{
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m1[0] = j;
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sha1_hmac_ctx_t sha1_hmac_ctx_loop = sha1_hmac_ctx;
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sha1_hmac_update_64 (&sha1_hmac_ctx_loop, m0, m1, m2, m3, 20);
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sha1_hmac_final (&sha1_hmac_ctx_loop);
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tmps[gid].dgst[i + 0] = sha1_hmac_ctx_loop.opad.h[0];
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tmps[gid].dgst[i + 1] = sha1_hmac_ctx_loop.opad.h[1];
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tmps[gid].dgst[i + 2] = sha1_hmac_ctx_loop.opad.h[2];
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tmps[gid].dgst[i + 3] = sha1_hmac_ctx_loop.opad.h[3];
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tmps[gid].dgst[i + 4] = sha1_hmac_ctx_loop.opad.h[4];
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tmps[gid].out[i + 0] = tmps[gid].dgst[i + 0];
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tmps[gid].out[i + 1] = tmps[gid].dgst[i + 1];
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tmps[gid].out[i + 2] = tmps[gid].dgst[i + 2];
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tmps[gid].out[i + 3] = tmps[gid].dgst[i + 3];
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tmps[gid].out[i + 4] = tmps[gid].dgst[i + 4];
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}
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}
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__kernel void m18400_loop (KERN_ATTR_TMPS_ESALT (odf12_tmp_t, odf12_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, ipad, gid, 0);
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ipad[1] = packv (tmps, ipad, gid, 1);
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ipad[2] = packv (tmps, ipad, gid, 2);
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ipad[3] = packv (tmps, ipad, gid, 3);
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ipad[4] = packv (tmps, ipad, gid, 4);
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opad[0] = packv (tmps, opad, gid, 0);
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opad[1] = packv (tmps, opad, gid, 1);
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opad[2] = packv (tmps, opad, gid, 2);
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opad[3] = packv (tmps, opad, gid, 3);
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opad[4] = packv (tmps, opad, gid, 4);
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// key stretching
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for (u32 i = 0; i < 8; 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, dgst, gid, i + 0);
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dgst[1] = packv (tmps, dgst, gid, i + 1);
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dgst[2] = packv (tmps, dgst, gid, i + 2);
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dgst[3] = packv (tmps, dgst, gid, i + 3);
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dgst[4] = packv (tmps, dgst, gid, i + 4);
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out[0] = packv (tmps, out, gid, i + 0);
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out[1] = packv (tmps, out, gid, i + 1);
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out[2] = packv (tmps, out, gid, i + 2);
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out[3] = packv (tmps, out, gid, i + 3);
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out[4] = packv (tmps, out, 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] = 0x80000000;
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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] = (64 + 20) * 8;
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hmac_sha1_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, dgst, gid, i + 0, dgst[0]);
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unpackv (tmps, dgst, gid, i + 1, dgst[1]);
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unpackv (tmps, dgst, gid, i + 2, dgst[2]);
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unpackv (tmps, dgst, gid, i + 3, dgst[3]);
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unpackv (tmps, dgst, gid, i + 4, dgst[4]);
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unpackv (tmps, out, gid, i + 0, out[0]);
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unpackv (tmps, out, gid, i + 1, out[1]);
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unpackv (tmps, out, gid, i + 2, out[2]);
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unpackv (tmps, out, gid, i + 3, out[3]);
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unpackv (tmps, out, gid, i + 4, out[4]);
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}
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}
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__kernel void m18400_comp (KERN_ATTR_TMPS_ESALT (odf12_tmp_t, odf12_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 u32 s_td0[256];
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__local u32 s_td1[256];
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__local u32 s_td2[256];
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__local u32 s_td3[256];
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__local u32 s_td4[256];
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__local u32 s_te0[256];
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__local u32 s_te1[256];
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__local u32 s_te2[256];
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__local u32 s_te3[256];
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__local u32 s_te4[256];
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for (MAYBE_VOLATILE 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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barrier (CLK_LOCAL_MEM_FENCE);
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#else
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__constant u32a *s_td0 = td0;
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__constant u32a *s_td1 = td1;
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__constant u32a *s_td2 = td2;
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__constant u32a *s_td3 = td3;
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__constant u32a *s_td4 = td4;
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__constant u32a *s_te0 = te0;
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__constant u32a *s_te1 = te1;
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__constant u32a *s_te2 = te2;
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__constant u32a *s_te3 = te3;
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__constant u32a *s_te4 = te4;
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#endif
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if (gid >= gid_max) return;
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/**
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* base
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*/
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u32 ukey[8];
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ukey[0] = swap32_S (tmps[gid].out[0]);
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ukey[1] = swap32_S (tmps[gid].out[1]);
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ukey[2] = swap32_S (tmps[gid].out[2]);
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ukey[3] = swap32_S (tmps[gid].out[3]);
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ukey[4] = swap32_S (tmps[gid].out[4]);
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ukey[5] = swap32_S (tmps[gid].out[5]);
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ukey[6] = swap32_S (tmps[gid].out[6]);
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ukey[7] = swap32_S (tmps[gid].out[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_te4, s_td0, s_td1, s_td2, s_td3, s_td4);
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__global const odf12_t *es = &esalt_bufs[digests_offset];
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u32 iv[4];
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iv[0] = es->iv[0];
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iv[1] = es->iv[1];
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iv[2] = es->iv[2];
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iv[3] = es->iv[3];
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u32 ct[4];
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u32 pt1[4];
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u32 pt2[4];
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u32 pt3[4];
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u32 pt4[4];
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sha256_ctx_t sha256_ctx;
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sha256_init (&sha256_ctx);
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// decrypt aes-cbc and calculate plaintext checksum at the same time
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for (int i = 0; i < 16; i++)
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{
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const int i16 = i * 16;
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ct[0] = es->encrypted_data[i16 + 0];
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ct[1] = es->encrypted_data[i16 + 1];
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ct[2] = es->encrypted_data[i16 + 2];
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ct[3] = es->encrypted_data[i16 + 3];
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aes256_decrypt (ks, ct, pt1, s_td0, s_td1, s_td2, s_td3, s_td4);
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pt1[0] ^= iv[0];
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pt1[1] ^= iv[1];
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pt1[2] ^= iv[2];
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pt1[3] ^= iv[3];
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iv[0] = ct[0];
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iv[1] = ct[1];
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iv[2] = ct[2];
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iv[3] = ct[3];
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ct[0] = es->encrypted_data[i16 + 4];
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ct[1] = es->encrypted_data[i16 + 5];
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ct[2] = es->encrypted_data[i16 + 6];
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ct[3] = es->encrypted_data[i16 + 7];
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aes256_decrypt (ks, ct, pt2, s_td0, s_td1, s_td2, s_td3, s_td4);
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pt2[0] ^= iv[0];
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pt2[1] ^= iv[1];
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pt2[2] ^= iv[2];
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pt2[3] ^= iv[3];
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iv[0] = ct[0];
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iv[1] = ct[1];
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iv[2] = ct[2];
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iv[3] = ct[3];
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ct[0] = es->encrypted_data[i16 + 8];
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ct[1] = es->encrypted_data[i16 + 9];
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ct[2] = es->encrypted_data[i16 + 10];
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ct[3] = es->encrypted_data[i16 + 11];
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aes256_decrypt (ks, ct, pt3, s_td0, s_td1, s_td2, s_td3, s_td4);
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pt3[0] ^= iv[0];
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pt3[1] ^= iv[1];
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pt3[2] ^= iv[2];
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pt3[3] ^= iv[3];
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iv[0] = ct[0];
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iv[1] = ct[1];
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iv[2] = ct[2];
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iv[3] = ct[3];
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ct[0] = es->encrypted_data[i16 + 12];
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ct[1] = es->encrypted_data[i16 + 13];
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ct[2] = es->encrypted_data[i16 + 14];
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ct[3] = es->encrypted_data[i16 + 15];
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aes256_decrypt (ks, ct, pt4, s_td0, s_td1, s_td2, s_td3, s_td4);
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pt4[0] ^= iv[0];
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pt4[1] ^= iv[1];
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pt4[2] ^= iv[2];
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pt4[3] ^= iv[3];
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iv[0] = ct[0];
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iv[1] = ct[1];
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iv[2] = ct[2];
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iv[3] = ct[3];
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pt1[0] = swap32_S (pt1[0]);
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pt1[1] = swap32_S (pt1[1]);
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pt1[2] = swap32_S (pt1[2]);
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pt1[3] = swap32_S (pt1[3]);
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pt2[0] = swap32_S (pt2[0]);
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pt2[1] = swap32_S (pt2[1]);
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pt2[2] = swap32_S (pt2[2]);
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pt2[3] = swap32_S (pt2[3]);
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pt3[0] = swap32_S (pt3[0]);
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pt3[1] = swap32_S (pt3[1]);
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pt3[2] = swap32_S (pt3[2]);
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pt3[3] = swap32_S (pt3[3]);
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pt4[0] = swap32_S (pt4[0]);
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pt4[1] = swap32_S (pt4[1]);
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pt4[2] = swap32_S (pt4[2]);
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pt4[3] = swap32_S (pt4[3]);
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|
|
|
sha256_update_64 (&sha256_ctx, pt1, pt2, pt3, pt4, 64);
|
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}
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|
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sha256_final (&sha256_ctx);
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|
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const u32 r0 = swap32_S (sha256_ctx.h[0]);
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const u32 r1 = swap32_S (sha256_ctx.h[1]);
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const u32 r2 = swap32_S (sha256_ctx.h[2]);
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|
const u32 r3 = swap32_S (sha256_ctx.h[3]);
|
|
|
|
#define il_pos 0
|
|
|
|
#include COMPARE_M
|
|
}
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