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- /* ===================================================================
- *
- * Copyright (c) 2014, Legrandin <helderijs@gmail.com>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- * ===================================================================
- */
- #include "pycrypto_common.h"
- #define F_ROUNDS 12
- #define MAX_DIGEST_BYTES 64
- #define MAX_KEY_BYTES 64
- #define BLAKE2_WORD_SIZE 64
- #define G_R1 32
- #define G_R2 24
- #define G_R3 16
- #define G_R4 63
- typedef uint64_t blake2_word;
- static const uint64_t iv[8] = {
- 0x6A09E667F3BCC908ull,
- 0xBB67AE8584CAA73Bull,
- 0x3C6EF372FE94F82Bull,
- 0xA54FF53A5F1D36F1ull,
- 0x510E527FADE682D1ull,
- 0x9B05688C2B3E6C1Full,
- 0x1F83D9ABFB41BD6Bull,
- 0x5BE0CD19137E2179ull
- };
- static void byteswap(uint64_t *v)
- {
- union {
- uint64_t w;
- uint8_t b[8];
- } x, y;
- x.w = *v;
- y.b[0] = x.b[7];
- y.b[1] = x.b[6];
- y.b[2] = x.b[5];
- y.b[3] = x.b[4];
- y.b[4] = x.b[3];
- y.b[5] = x.b[2];
- y.b[6] = x.b[1];
- y.b[7] = x.b[0];
- *v = y.w;
- }
- #define blake2_init blake2b_init
- #define blake2_copy blake2b_copy
- #define blake2_destroy blake2b_destroy
- #define blake2_digest blake2b_digest
- #define blake2_update blake2b_update
- FAKE_INIT(BLAKE2b)
- #include "blake2.c"
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