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baf47d409e
Adds suport for the Japanese cipher Camellia with 256-bit keys as used by VeraCrypt. - Add Camellia header decryption checks to all VeraCrypt kernels - Add test containers for remaining cipher combinations
522 lines
13 KiB
Common Lisp
522 lines
13 KiB
Common Lisp
DECLSPEC void camellia256_decrypt_xts_first (const u32 *ukey1, const u32 *ukey2, const u32 *in, u32 *out, u32 *S, u32 *T, u32 *ks)
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{
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out[0] = in[0];
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out[1] = in[1];
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out[2] = in[2];
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out[3] = in[3];
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camellia256_set_key (ks, ukey2);
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camellia256_encrypt (ks, S, T);
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out[0] ^= T[0];
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out[1] ^= T[1];
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out[2] ^= T[2];
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out[3] ^= T[3];
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camellia256_set_key (ks, ukey1);
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camellia256_decrypt (ks, out, out);
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out[0] ^= T[0];
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out[1] ^= T[1];
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out[2] ^= T[2];
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out[3] ^= T[3];
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}
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DECLSPEC void camellia256_decrypt_xts_next (const u32 *in, u32 *out, u32 *T, u32 *ks)
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{
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out[0] = in[0];
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out[1] = in[1];
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out[2] = in[2];
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out[3] = in[3];
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xts_mul2 (T, T);
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out[0] ^= T[0];
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out[1] ^= T[1];
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out[2] ^= T[2];
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out[3] ^= T[3];
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camellia256_decrypt (ks, out, out);
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out[0] ^= T[0];
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out[1] ^= T[1];
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out[2] ^= T[2];
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out[3] ^= T[3];
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}
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DECLSPEC void kuznyechik_decrypt_xts_first (const u32 *ukey1, const u32 *ukey2, const u32 *in, u32 *out, u32 *S, u32 *T, u32 *ks)
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{
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out[0] = in[0];
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out[1] = in[1];
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out[2] = in[2];
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out[3] = in[3];
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kuznyechik_set_key (ks, ukey2);
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kuznyechik_encrypt (ks, S, T);
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out[0] ^= T[0];
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out[1] ^= T[1];
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out[2] ^= T[2];
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out[3] ^= T[3];
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kuznyechik_set_key (ks, ukey1);
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kuznyechik_decrypt (ks, out, out);
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out[0] ^= T[0];
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out[1] ^= T[1];
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out[2] ^= T[2];
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out[3] ^= T[3];
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}
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DECLSPEC void kuznyechik_decrypt_xts_next (const u32 *in, u32 *out, u32 *T, u32 *ks)
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{
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out[0] = in[0];
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out[1] = in[1];
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out[2] = in[2];
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out[3] = in[3];
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xts_mul2 (T, T);
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out[0] ^= T[0];
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out[1] ^= T[1];
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out[2] ^= T[2];
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out[3] ^= T[3];
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kuznyechik_decrypt (ks, out, out);
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out[0] ^= T[0];
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out[1] ^= T[1];
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out[2] ^= T[2];
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out[3] ^= T[3];
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}
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// 512 bit
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DECLSPEC int verify_header_camellia (__global const tc_t *esalt_bufs, const u32 *ukey1, const u32 *ukey2)
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{
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u32 ks_camellia[68];
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u32 S[4] = { 0 };
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u32 T_camellia[4] = { 0 };
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u32 data[4];
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data[0] = esalt_bufs[0].data_buf[0];
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data[1] = esalt_bufs[0].data_buf[1];
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data[2] = esalt_bufs[0].data_buf[2];
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data[3] = esalt_bufs[0].data_buf[3];
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u32 tmp[4];
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camellia256_decrypt_xts_first (ukey1, ukey2, data, tmp, S, T_camellia, ks_camellia);
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const u32 signature = esalt_bufs[0].signature;
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if (tmp[0] != signature) return 0;
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const u32 crc32_save = swap32_S (~tmp[2]);
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// seek to byte 256
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for (volatile int i = 4; i < 64 - 16; i += 4)
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{
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xts_mul2 (T_camellia, T_camellia);
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}
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// calculate crc32 from here
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u32 crc32 = ~0;
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for (volatile int i = 64 - 16; i < 128 - 16; i += 4)
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{
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data[0] = esalt_bufs[0].data_buf[i + 0];
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data[1] = esalt_bufs[0].data_buf[i + 1];
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data[2] = esalt_bufs[0].data_buf[i + 2];
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data[3] = esalt_bufs[0].data_buf[i + 3];
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camellia256_decrypt_xts_next (data, tmp, T_camellia, ks_camellia);
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crc32 = round_crc32_4 (tmp[0], crc32);
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crc32 = round_crc32_4 (tmp[1], crc32);
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crc32 = round_crc32_4 (tmp[2], crc32);
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crc32 = round_crc32_4 (tmp[3], crc32);
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}
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if (crc32 != crc32_save) return 0;
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return 1;
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}
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DECLSPEC int verify_header_kuznyechik (__global const tc_t *esalt_bufs, const u32 *ukey1, const u32 *ukey2)
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{
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u32 ks_kuznyechik[40];
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u32 S[4] = { 0 };
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u32 T_kuznyechik[4] = { 0 };
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u32 data[4];
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data[0] = esalt_bufs[0].data_buf[0];
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data[1] = esalt_bufs[0].data_buf[1];
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data[2] = esalt_bufs[0].data_buf[2];
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data[3] = esalt_bufs[0].data_buf[3];
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u32 tmp[4];
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kuznyechik_decrypt_xts_first (ukey1, ukey2, data, tmp, S, T_kuznyechik, ks_kuznyechik);
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const u32 signature = esalt_bufs[0].signature;
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if (tmp[0] != signature) return 0;
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const u32 crc32_save = swap32_S (~tmp[2]);
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// seek to byte 256
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for (volatile int i = 4; i < 64 - 16; i += 4)
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{
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xts_mul2 (T_kuznyechik, T_kuznyechik);
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}
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// calculate crc32 from here
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u32 crc32 = ~0;
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for (volatile int i = 64 - 16; i < 128 - 16; i += 4)
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{
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data[0] = esalt_bufs[0].data_buf[i + 0];
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data[1] = esalt_bufs[0].data_buf[i + 1];
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data[2] = esalt_bufs[0].data_buf[i + 2];
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data[3] = esalt_bufs[0].data_buf[i + 3];
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kuznyechik_decrypt_xts_next (data, tmp, T_kuznyechik, ks_kuznyechik);
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crc32 = round_crc32_4 (tmp[0], crc32);
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crc32 = round_crc32_4 (tmp[1], crc32);
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crc32 = round_crc32_4 (tmp[2], crc32);
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crc32 = round_crc32_4 (tmp[3], crc32);
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}
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if (crc32 != crc32_save) return 0;
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return 1;
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}
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// 1024 bit
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DECLSPEC int verify_header_camellia_kuznyechik (__global const tc_t *esalt_bufs, const u32 *ukey1, const u32 *ukey2, const u32 *ukey3, const u32 *ukey4)
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{
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u32 ks_camellia[68];
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u32 ks_kuznyechik[40];
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u32 S[4] = { 0 };
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u32 T_camellia[4] = { 0 };
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u32 T_kuznyechik[4] = { 0 };
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u32 data[4];
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data[0] = esalt_bufs[0].data_buf[0];
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data[1] = esalt_bufs[0].data_buf[1];
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data[2] = esalt_bufs[0].data_buf[2];
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data[3] = esalt_bufs[0].data_buf[3];
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u32 tmp[4];
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camellia256_decrypt_xts_first (ukey2, ukey4, data, tmp, S, T_camellia, ks_camellia);
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kuznyechik_decrypt_xts_first (ukey1, ukey3, tmp, tmp, S, T_kuznyechik, ks_kuznyechik);
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const u32 signature = esalt_bufs[0].signature;
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if (tmp[0] != signature) return 0;
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const u32 crc32_save = swap32_S (~tmp[2]);
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// seek to byte 256
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for (volatile int i = 4; i < 64 - 16; i += 4)
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{
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xts_mul2 (T_camellia, T_camellia);
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xts_mul2 (T_kuznyechik, T_kuznyechik);
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}
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// calculate crc32 from here
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u32 crc32 = ~0;
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for (volatile int i = 64 - 16; i < 128 - 16; i += 4)
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{
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data[0] = esalt_bufs[0].data_buf[i + 0];
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data[1] = esalt_bufs[0].data_buf[i + 1];
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data[2] = esalt_bufs[0].data_buf[i + 2];
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data[3] = esalt_bufs[0].data_buf[i + 3];
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camellia256_decrypt_xts_next (data, tmp, T_camellia, ks_camellia);
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kuznyechik_decrypt_xts_next (tmp, tmp, T_kuznyechik, ks_kuznyechik);
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crc32 = round_crc32_4 (tmp[0], crc32);
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crc32 = round_crc32_4 (tmp[1], crc32);
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crc32 = round_crc32_4 (tmp[2], crc32);
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crc32 = round_crc32_4 (tmp[3], crc32);
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}
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if (crc32 != crc32_save) return 0;
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return 1;
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}
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DECLSPEC int verify_header_camellia_serpent (__global const tc_t *esalt_bufs, const u32 *ukey1, const u32 *ukey2, const u32 *ukey3, const u32 *ukey4)
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{
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u32 ks_camellia[68];
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u32 ks_serpent[140];
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u32 S[4] = { 0 };
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u32 T_camellia[4] = { 0 };
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u32 T_serpent[4] = { 0 };
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u32 data[4];
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data[0] = esalt_bufs[0].data_buf[0];
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data[1] = esalt_bufs[0].data_buf[1];
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data[2] = esalt_bufs[0].data_buf[2];
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data[3] = esalt_bufs[0].data_buf[3];
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u32 tmp[4];
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camellia256_decrypt_xts_first (ukey2, ukey4, data, tmp, S, T_camellia, ks_camellia);
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serpent256_decrypt_xts_first (ukey1, ukey3, tmp, tmp, S, T_serpent, ks_serpent);
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const u32 signature = esalt_bufs[0].signature;
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if (tmp[0] != signature) return 0;
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const u32 crc32_save = swap32_S (~tmp[2]);
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// seek to byte 256
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for (volatile int i = 4; i < 64 - 16; i += 4)
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{
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xts_mul2 (T_camellia, T_camellia);
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xts_mul2 (T_serpent, T_serpent);
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}
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// calculate crc32 from here
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u32 crc32 = ~0;
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for (volatile int i = 64 - 16; i < 128 - 16; i += 4)
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{
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data[0] = esalt_bufs[0].data_buf[i + 0];
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data[1] = esalt_bufs[0].data_buf[i + 1];
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data[2] = esalt_bufs[0].data_buf[i + 2];
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data[3] = esalt_bufs[0].data_buf[i + 3];
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camellia256_decrypt_xts_next (data, tmp, T_camellia, ks_camellia);
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serpent256_decrypt_xts_next (tmp, tmp, T_serpent, ks_serpent);
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crc32 = round_crc32_4 (tmp[0], crc32);
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crc32 = round_crc32_4 (tmp[1], crc32);
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crc32 = round_crc32_4 (tmp[2], crc32);
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crc32 = round_crc32_4 (tmp[3], crc32);
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}
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if (crc32 != crc32_save) return 0;
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return 1;
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}
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DECLSPEC int verify_header_kuznyechik_aes (__global const tc_t *esalt_bufs, const u32 *ukey1, const u32 *ukey2, const u32 *ukey3, const u32 *ukey4, SHM_TYPE u32 *s_te0, SHM_TYPE u32 *s_te1, SHM_TYPE u32 *s_te2, SHM_TYPE u32 *s_te3, SHM_TYPE u32 *s_te4, SHM_TYPE u32 *s_td0, SHM_TYPE u32 *s_td1, SHM_TYPE u32 *s_td2, SHM_TYPE u32 *s_td3, SHM_TYPE u32 *s_td4)
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{
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u32 ks_kuznyechik[40];
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u32 ks_aes[60];
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u32 S[4] = { 0 };
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u32 T_kuznyechik[4] = { 0 };
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u32 T_aes[4] = { 0 };
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u32 data[4];
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data[0] = esalt_bufs[0].data_buf[0];
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data[1] = esalt_bufs[0].data_buf[1];
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data[2] = esalt_bufs[0].data_buf[2];
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data[3] = esalt_bufs[0].data_buf[3];
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u32 tmp[4];
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kuznyechik_decrypt_xts_first (ukey2, ukey4, data, tmp, S, T_kuznyechik, ks_kuznyechik);
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aes256_decrypt_xts_first (ukey1, ukey3, tmp, tmp, S, T_aes, ks_aes, s_te0, s_te1, s_te2, s_te3, s_te4, s_td0, s_td1, s_td2, s_td3, s_td4);
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const u32 signature = esalt_bufs[0].signature;
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if (tmp[0] != signature) return 0;
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const u32 crc32_save = swap32_S (~tmp[2]);
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// seek to byte 256
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for (volatile int i = 4; i < 64 - 16; i += 4)
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{
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xts_mul2 (T_kuznyechik, T_kuznyechik);
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xts_mul2 (T_aes, T_aes);
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}
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// calculate crc32 from here
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u32 crc32 = ~0;
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for (volatile int i = 64 - 16; i < 128 - 16; i += 4)
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{
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data[0] = esalt_bufs[0].data_buf[i + 0];
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data[1] = esalt_bufs[0].data_buf[i + 1];
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data[2] = esalt_bufs[0].data_buf[i + 2];
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data[3] = esalt_bufs[0].data_buf[i + 3];
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kuznyechik_decrypt_xts_next (data, tmp, T_kuznyechik, ks_kuznyechik);
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aes256_decrypt_xts_next (tmp, tmp, T_aes, ks_aes, s_td0, s_td1, s_td2, s_td3, s_td4);
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crc32 = round_crc32_4 (tmp[0], crc32);
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crc32 = round_crc32_4 (tmp[1], crc32);
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crc32 = round_crc32_4 (tmp[2], crc32);
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crc32 = round_crc32_4 (tmp[3], crc32);
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}
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if (crc32 != crc32_save) return 0;
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return 1;
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}
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DECLSPEC int verify_header_kuznyechik_twofish (__global const tc_t *esalt_bufs, const u32 *ukey1, const u32 *ukey2, const u32 *ukey3, const u32 *ukey4)
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{
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u32 ks_kuznyechik[40];
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u32 sk_twofish[4];
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u32 lk_twofish[40];
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u32 S[4] = { 0 };
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u32 T_kuznyechik[4] = { 0 };
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u32 T_twofish[4] = { 0 };
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u32 data[4];
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data[0] = esalt_bufs[0].data_buf[0];
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data[1] = esalt_bufs[0].data_buf[1];
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data[2] = esalt_bufs[0].data_buf[2];
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data[3] = esalt_bufs[0].data_buf[3];
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u32 tmp[4];
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kuznyechik_decrypt_xts_first (ukey2, ukey4, data, tmp, S, T_kuznyechik, ks_kuznyechik);
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twofish256_decrypt_xts_first (ukey1, ukey3, tmp, tmp, S, T_twofish, sk_twofish, lk_twofish);
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const u32 signature = esalt_bufs[0].signature;
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if (tmp[0] != signature) return 0;
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const u32 crc32_save = swap32_S (~tmp[2]);
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// seek to byte 256
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for (volatile int i = 4; i < 64 - 16; i += 4)
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{
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xts_mul2 (T_kuznyechik, T_kuznyechik);
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xts_mul2 (T_twofish, T_twofish);
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}
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// calculate crc32 from here
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u32 crc32 = ~0;
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for (volatile int i = 64 - 16; i < 128 - 16; i += 4)
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{
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data[0] = esalt_bufs[0].data_buf[i + 0];
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data[1] = esalt_bufs[0].data_buf[i + 1];
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data[2] = esalt_bufs[0].data_buf[i + 2];
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data[3] = esalt_bufs[0].data_buf[i + 3];
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kuznyechik_decrypt_xts_next (data, tmp, T_kuznyechik, ks_kuznyechik);
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twofish256_decrypt_xts_next (tmp, tmp, T_twofish, sk_twofish, lk_twofish);
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crc32 = round_crc32_4 (tmp[0], crc32);
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|
crc32 = round_crc32_4 (tmp[1], crc32);
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|
crc32 = round_crc32_4 (tmp[2], crc32);
|
|
crc32 = round_crc32_4 (tmp[3], crc32);
|
|
}
|
|
|
|
if (crc32 != crc32_save) return 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
// 1536 bit
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|
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|
DECLSPEC int verify_header_kuznyechik_serpent_camellia (__global const tc_t *esalt_bufs, const u32 *ukey1, const u32 *ukey2, const u32 *ukey3, const u32 *ukey4, const u32 *ukey5, const u32 *ukey6)
|
|
{
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|
u32 ks_kuznyechik[40];
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|
u32 ks_serpent[140];
|
|
u32 ks_camellia[68];
|
|
|
|
u32 S[4] = { 0 };
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|
|
|
u32 T_kuznyechik[4] = { 0 };
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|
u32 T_serpent[4] = { 0 };
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|
u32 T_camellia[4] = { 0 };
|
|
|
|
u32 data[4];
|
|
|
|
data[0] = esalt_bufs[0].data_buf[0];
|
|
data[1] = esalt_bufs[0].data_buf[1];
|
|
data[2] = esalt_bufs[0].data_buf[2];
|
|
data[3] = esalt_bufs[0].data_buf[3];
|
|
|
|
u32 tmp[4];
|
|
|
|
kuznyechik_decrypt_xts_first (ukey3, ukey6, data, tmp, S, T_kuznyechik, ks_kuznyechik);
|
|
serpent256_decrypt_xts_first (ukey2, ukey5, tmp, tmp, S, T_serpent, ks_serpent);
|
|
camellia256_decrypt_xts_first (ukey1, ukey4, tmp, tmp, S, T_camellia, ks_camellia);
|
|
|
|
const u32 signature = esalt_bufs[0].signature;
|
|
|
|
if (tmp[0] != signature) return 0;
|
|
|
|
const u32 crc32_save = swap32_S (~tmp[2]);
|
|
|
|
// seek to byte 256
|
|
|
|
for (volatile int i = 4; i < 64 - 16; i += 4)
|
|
{
|
|
xts_mul2 (T_kuznyechik, T_kuznyechik);
|
|
xts_mul2 (T_serpent, T_serpent);
|
|
xts_mul2 (T_camellia, T_camellia);
|
|
}
|
|
|
|
// calculate crc32 from here
|
|
|
|
u32 crc32 = ~0;
|
|
|
|
for (volatile int i = 64 - 16; i < 128 - 16; i += 4)
|
|
{
|
|
data[0] = esalt_bufs[0].data_buf[i + 0];
|
|
data[1] = esalt_bufs[0].data_buf[i + 1];
|
|
data[2] = esalt_bufs[0].data_buf[i + 2];
|
|
data[3] = esalt_bufs[0].data_buf[i + 3];
|
|
|
|
kuznyechik_decrypt_xts_next (data, tmp, T_kuznyechik, ks_kuznyechik);
|
|
serpent256_decrypt_xts_next (tmp, tmp, T_serpent, ks_serpent);
|
|
camellia256_decrypt_xts_next (tmp, tmp, T_camellia, ks_camellia);
|
|
|
|
crc32 = round_crc32_4 (tmp[0], crc32);
|
|
crc32 = round_crc32_4 (tmp[1], crc32);
|
|
crc32 = round_crc32_4 (tmp[2], crc32);
|
|
crc32 = round_crc32_4 (tmp[3], crc32);
|
|
}
|
|
|
|
if (crc32 != crc32_save) return 0;
|
|
|
|
return 1;
|
|
}
|