1 /*- 2 * Copyright 2009 Colin Percival 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * This file was originally written by Colin Percival as part of the Tarsnap 27 * online backup system. 28 */ 29 30 #ifndef _CRYPTO_SCRYPT_SMIX_H_ 31 #define _CRYPTO_SCRYPT_SMIX_H_ 32 33 /** 34 * crypto_scrypt_smix(B, r, N, V, XY): 35 * Compute B = SMix_r(B, N). The input B must be 128r bytes in length; 36 * the temporary storage V must be 128rN bytes in length; the temporary 37 * storage XY must be 256r + 64 bytes in length. The value N must be a 38 * power of 2 greater than 1. The arrays B, V, and XY must be aligned to a 39 * multiple of 64 bytes. 40 */ 41 void crypto_scrypt_smix(uint8_t *, size_t, uint64_t, void *, void *); 42 43 #endif /* !_CRYPTO_SCRYPT_SMIX_H_ */ 44