/* $Id: cubehash.c 227 2010-06-16 17:28:38Z tp $ */ /* * CubeHash implementation. * * ==========================(LICENSE BEGIN)============================ * * Copyright (c) 2007-2010 Projet RNRT SAPHIR * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * ===========================(LICENSE END)============================= * * @author Thomas Pornin <thomas.pornin@cryptolog.com> */ #include <stddef.h> #include <string.h> #include <limits.h> #include "sph_cubehash.h" #ifdef __cplusplus extern "C"{ #endif #if SPH_SMALL_FOOTPRINT && !defined SPH_SMALL_FOOTPRINT_CUBEHASH #define SPH_SMALL_FOOTPRINT_CUBEHASH 1 #endif /* * Some tests were conducted on an Intel Core2 Q6600 (32-bit and 64-bit * mode), a PowerPC G3, and a MIPS-compatible CPU (Broadcom BCM3302). * It appears that the optimal settings are: * -- full unroll, no state copy on the "big" systems (x86, PowerPC) * -- unroll to 4 or 8, state copy on the "small" system (MIPS) */ #if SPH_SMALL_FOOTPRINT_CUBEHASH #if !defined SPH_CUBEHASH_UNROLL #define SPH_CUBEHASH_UNROLL 4 #endif #if !defined SPH_CUBEHASH_NOCOPY #define SPH_CUBEHASH_NOCOPY 1 #endif #else #if !defined SPH_CUBEHASH_UNROLL #define SPH_CUBEHASH_UNROLL 0 #endif #if !defined SPH_CUBEHASH_NOCOPY #define SPH_CUBEHASH_NOCOPY 0 #endif #endif #ifdef _MSC_VER #pragma warning (disable: 4146) #endif static const sph_u32 IV224[] = { SPH_C32(0xB0FC8217), SPH_C32(0x1BEE1A90), SPH_C32(0x829E1A22), SPH_C32(0x6362C342), SPH_C32(0x24D91C30), SPH_C32(0x03A7AA24), SPH_C32(0xA63721C8), SPH_C32(0x85B0E2EF), SPH_C32(0xF35D13F3), SPH_C32(0x41DA807D), SPH_C32(0x21A70CA6), SPH_C32(0x1F4E9774), SPH_C32(0xB3E1C932), SPH_C32(0xEB0A79A8), SPH_C32(0xCDDAAA66), SPH_C32(0xE2F6ECAA), SPH_C32(0x0A713362), SPH_C32(0xAA3080E0), SPH_C32(0xD8F23A32), SPH_C32(0xCEF15E28), SPH_C32(0xDB086314), SPH_C32(0x7F709DF7), SPH_C32(0xACD228A4), SPH_C32(0x704D6ECE), SPH_C32(0xAA3EC95F), SPH_C32(0xE387C214), SPH_C32(0x3A6445FF), SPH_C32(0x9CAB81C3), SPH_C32(0xC73D4B98), SPH_C32(0xD277AEBE), SPH_C32(0xFD20151C), SPH_C32(0x00CB573E) }; static const sph_u32 IV256[] = { SPH_C32(0xEA2BD4B4), SPH_C32(0xCCD6F29F), SPH_C32(0x63117E71), SPH_C32(0x35481EAE), SPH_C32(0x22512D5B), SPH_C32(0xE5D94E63), SPH_C32(0x7E624131), SPH_C32(0xF4CC12BE), SPH_C32(0xC2D0B696), SPH_C32(0x42AF2070), SPH_C32(0xD0720C35), SPH_C32(0x3361DA8C), SPH_C32(0x28CCECA4), SPH_C32(0x8EF8AD83), SPH_C32(0x4680AC00), SPH_C32(0x40E5FBAB), SPH_C32(0xD89041C3), SPH_C32(0x6107FBD5), SPH_C32(0x6C859D41), SPH_C32(0xF0B26679), SPH_C32(0x09392549), SPH_C32(0x5FA25603), SPH_C32(0x65C892FD), SPH_C32(0x93CB6285), SPH_C32(0x2AF2B5AE), SPH_C32(0x9E4B4E60), SPH_C32(0x774ABFDD), SPH_C32(0x85254725), SPH_C32(0x15815AEB), SPH_C32(0x4AB6AAD6), SPH_C32(0x9CDAF8AF), SPH_C32(0xD6032C0A) }; static const sph_u32 IV384[] = { SPH_C32(0xE623087E), SPH_C32(0x04C00C87), SPH_C32(0x5EF46453), SPH_C32(0x69524B13), SPH_C32(0x1A05C7A9), SPH_C32(0x3528DF88), SPH_C32(0x6BDD01B5), SPH_C32(0x5057B792), SPH_C32(0x6AA7A922), SPH_C32(0x649C7EEE), SPH_C32(0xF426309F), SPH_C32(0xCB629052), SPH_C32(0xFC8E20ED), SPH_C32(0xB3482BAB), SPH_C32(0xF89E5E7E), SPH_C32(0xD83D4DE4), SPH_C32(0x44BFC10D), SPH_C32(0x5FC1E63D), SPH_C32(0x2104E6CB), SPH_C32(0x17958F7F), SPH_C32(0xDBEAEF70), SPH_C32(0xB4B97E1E), SPH_C32(0x32C195F6), SPH_C32(0x6184A8E4), SPH_C32(0x796C2543), SPH_C32(0x23DE176D), SPH_C32(0xD33BBAEC), SPH_C32(0x0C12E5D2), SPH_C32(0x4EB95A7B), SPH_C32(0x2D18BA01), SPH_C32(0x04EE475F), SPH_C32(0x1FC5F22E) }; static const sph_u32 IV512[] = { SPH_C32(0x2AEA2A61), SPH_C32(0x50F494D4), SPH_C32(0x2D538B8B), SPH_C32(0x4167D83E), SPH_C32(0x3FEE2313), SPH_C32(0xC701CF8C), SPH_C32(0xCC39968E), SPH_C32(0x50AC5695), SPH_C32(0x4D42C787), SPH_C32(0xA647A8B3), SPH_C32(0x97CF0BEF), SPH_C32(0x825B4537), SPH_C32(0xEEF864D2), SPH_C32(0xF22090C4), SPH_C32(0xD0E5CD33), SPH_C32(0xA23911AE), SPH_C32(0xFCD398D9), SPH_C32(0x148FE485), SPH_C32(0x1B017BEF), SPH_C32(0xB6444532), SPH_C32(0x6A536159), SPH_C32(0x2FF5781C), SPH_C32(0x91FA7934), SPH_C32(0x0DBADEA9), SPH_C32(0xD65C8A2B), SPH_C32(0xA5A70E75), SPH_C32(0xB1C62456), SPH_C32(0xBC796576), SPH_C32(0x1921C8F7), SPH_C32(0xE7989AF1), SPH_C32(0x7795D246), SPH_C32(0xD43E3B44) }; #define T32 SPH_T32 #define ROTL32 SPH_ROTL32 #if SPH_CUBEHASH_NOCOPY #define DECL_STATE #define READ_STATE(cc) #define WRITE_STATE(cc) #define x0 ((sc)->state[ 0]) #define x1 ((sc)->state[ 1]) #define x2 ((sc)->state[ 2]) #define x3 ((sc)->state[ 3]) #define x4 ((sc)->state[ 4]) #define x5 ((sc)->state[ 5]) #define x6 ((sc)->state[ 6]) #define x7 ((sc)->state[ 7]) #define x8 ((sc)->state[ 8]) #define x9 ((sc)->state[ 9]) #define xa ((sc)->state[10]) #define xb ((sc)->state[11]) #define xc ((sc)->state[12]) #define xd ((sc)->state[13]) #define xe ((sc)->state[14]) #define xf ((sc)->state[15]) #define xg ((sc)->state[16]) #define xh ((sc)->state[17]) #define xi ((sc)->state[18]) #define xj ((sc)->state[19]) #define xk ((sc)->state[20]) #define xl ((sc)->state[21]) #define xm ((sc)->state[22]) #define xn ((sc)->state[23]) #define xo ((sc)->state[24]) #define xp ((sc)->state[25]) #define xq ((sc)->state[26]) #define xr ((sc)->state[27]) #define xs ((sc)->state[28]) #define xt ((sc)->state[29]) #define xu ((sc)->state[30]) #define xv ((sc)->state[31]) #else #define DECL_STATE \ sph_u32 x0, x1, x2, x3, x4, x5, x6, x7; \ sph_u32 x8, x9, xa, xb, xc, xd, xe, xf; \ sph_u32 xg, xh, xi, xj, xk, xl, xm, xn; \ sph_u32 xo, xp, xq, xr, xs, xt, xu, xv; #define READ_STATE(cc) do { \ x0 = (cc)->state[ 0]; \ x1 = (cc)->state[ 1]; \ x2 = (cc)->state[ 2]; \ x3 = (cc)->state[ 3]; \ x4 = (cc)->state[ 4]; \ x5 = (cc)->state[ 5]; \ x6 = (cc)->state[ 6]; \ x7 = (cc)->state[ 7]; \ x8 = (cc)->state[ 8]; \ x9 = (cc)->state[ 9]; \ xa = (cc)->state[10]; \ xb = (cc)->state[11]; \ xc = (cc)->state[12]; \ xd = (cc)->state[13]; \ xe = (cc)->state[14]; \ xf = (cc)->state[15]; \ xg = (cc)->state[16]; \ xh = (cc)->state[17]; \ xi = (cc)->state[18]; \ xj = (cc)->state[19]; \ xk = (cc)->state[20]; \ xl = (cc)->state[21]; \ xm = (cc)->state[22]; \ xn = (cc)->state[23]; \ xo = (cc)->state[24]; \ xp = (cc)->state[25]; \ xq = (cc)->state[26]; \ xr = (cc)->state[27]; \ xs = (cc)->state[28]; \ xt = (cc)->state[29]; \ xu = (cc)->state[30]; \ xv = (cc)->state[31]; \ } while (0) #define WRITE_STATE(cc) do { \ (cc)->state[ 0] = x0; \ (cc)->state[ 1] = x1; \ (cc)->state[ 2] = x2; \ (cc)->state[ 3] = x3; \ (cc)->state[ 4] = x4; \ (cc)->state[ 5] = x5; \ (cc)->state[ 6] = x6; \ (cc)->state[ 7] = x7; \ (cc)->state[ 8] = x8; \ (cc)->state[ 9] = x9; \ (cc)->state[10] = xa; \ (cc)->state[11] = xb; \ (cc)->state[12] = xc; \ (cc)->state[13] = xd; \ (cc)->state[14] = xe; \ (cc)->state[15] = xf; \ (cc)->state[16] = xg; \ (cc)->state[17] = xh; \ (cc)->state[18] = xi; \ (cc)->state[19] = xj; \ (cc)->state[20] = xk; \ (cc)->state[21] = xl; \ (cc)->state[22] = xm; \ (cc)->state[23] = xn; \ (cc)->state[24] = xo; \ (cc)->state[25] = xp; \ (cc)->state[26] = xq; \ (cc)->state[27] = xr; \ (cc)->state[28] = xs; \ (cc)->state[29] = xt; \ (cc)->state[30] = xu; \ (cc)->state[31] = xv; \ } while (0) #endif #define INPUT_BLOCK do { \ x0 ^= sph_dec32le_aligned(buf + 0); \ x1 ^= sph_dec32le_aligned(buf + 4); \ x2 ^= sph_dec32le_aligned(buf + 8); \ x3 ^= sph_dec32le_aligned(buf + 12); \ x4 ^= sph_dec32le_aligned(buf + 16); \ x5 ^= sph_dec32le_aligned(buf + 20); \ x6 ^= sph_dec32le_aligned(buf + 24); \ x7 ^= sph_dec32le_aligned(buf + 28); \ } while (0) #define ROUND_EVEN do { \ xg = T32(x0 + xg); \ x0 = ROTL32(x0, 7); \ xh = T32(x1 + xh); \ x1 = ROTL32(x1, 7); \ xi = T32(x2 + xi); \ x2 = ROTL32(x2, 7); \ xj = T32(x3 + xj); \ x3 = ROTL32(x3, 7); \ xk = T32(x4 + xk); \ x4 = ROTL32(x4, 7); \ xl = T32(x5 + xl); \ x5 = ROTL32(x5, 7); \ xm = T32(x6 + xm); \ x6 = ROTL32(x6, 7); \ xn = T32(x7 + xn); \ x7 = ROTL32(x7, 7); \ xo = T32(x8 + xo); \ x8 = ROTL32(x8, 7); \ xp = T32(x9 + xp); \ x9 = ROTL32(x9, 7); \ xq = T32(xa + xq); \ xa = ROTL32(xa, 7); \ xr = T32(xb + xr); \ xb = ROTL32(xb, 7); \ xs = T32(xc + xs); \ xc = ROTL32(xc, 7); \ xt = T32(xd + xt); \ xd = ROTL32(xd, 7); \ xu = T32(xe + xu); \ xe = ROTL32(xe, 7); \ xv = T32(xf + xv); \ xf = ROTL32(xf, 7); \ x8 ^= xg; \ x9 ^= xh; \ xa ^= xi; \ xb ^= xj; \ xc ^= xk; \ xd ^= xl; \ xe ^= xm; \ xf ^= xn; \ x0 ^= xo; \ x1 ^= xp; \ x2 ^= xq; \ x3 ^= xr; \ x4 ^= xs; \ x5 ^= xt; \ x6 ^= xu; \ x7 ^= xv; \ xi = T32(x8 + xi); \ x8 = ROTL32(x8, 11); \ xj = T32(x9 + xj); \ x9 = ROTL32(x9, 11); \ xg = T32(xa + xg); \ xa = ROTL32(xa, 11); \ xh = T32(xb + xh); \ xb = ROTL32(xb, 11); \ xm = T32(xc + xm); \ xc = ROTL32(xc, 11); \ xn = T32(xd + xn); \ xd = ROTL32(xd, 11); \ xk = T32(xe + xk); \ xe = ROTL32(xe, 11); \ xl = T32(xf + xl); \ xf = ROTL32(xf, 11); \ xq = T32(x0 + xq); \ x0 = ROTL32(x0, 11); \ xr = T32(x1 + xr); \ x1 = ROTL32(x1, 11); \ xo = T32(x2 + xo); \ x2 = ROTL32(x2, 11); \ xp = T32(x3 + xp); \ x3 = ROTL32(x3, 11); \ xu = T32(x4 + xu); \ x4 = ROTL32(x4, 11); \ xv = T32(x5 + xv); \ x5 = ROTL32(x5, 11); \ xs = T32(x6 + xs); \ x6 = ROTL32(x6, 11); \ xt = T32(x7 + xt); \ x7 = ROTL32(x7, 11); \ xc ^= xi; \ xd ^= xj; \ xe ^= xg; \ xf ^= xh; \ x8 ^= xm; \ x9 ^= xn; \ xa ^= xk; \ xb ^= xl; \ x4 ^= xq; \ x5 ^= xr; \ x6 ^= xo; \ x7 ^= xp; \ x0 ^= xu; \ x1 ^= xv; \ x2 ^= xs; \ x3 ^= xt; \ } while (0) #define ROUND_ODD do { \ xj = T32(xc + xj); \ xc = ROTL32(xc, 7); \ xi = T32(xd + xi); \ xd = ROTL32(xd, 7); \ xh = T32(xe + xh); \ xe = ROTL32(xe, 7); \ xg = T32(xf + xg); \ xf = ROTL32(xf, 7); \ xn = T32(x8 + xn); \ x8 = ROTL32(x8, 7); \ xm = T32(x9 + xm); \ x9 = ROTL32(x9, 7); \ xl = T32(xa + xl); \ xa = ROTL32(xa, 7); \ xk = T32(xb + xk); \ xb = ROTL32(xb, 7); \ xr = T32(x4 + xr); \ x4 = ROTL32(x4, 7); \ xq = T32(x5 + xq); \ x5 = ROTL32(x5, 7); \ xp = T32(x6 + xp); \ x6 = ROTL32(x6, 7); \ xo = T32(x7 + xo); \ x7 = ROTL32(x7, 7); \ xv = T32(x0 + xv); \ x0 = ROTL32(x0, 7); \ xu = T32(x1 + xu); \ x1 = ROTL32(x1, 7); \ xt = T32(x2 + xt); \ x2 = ROTL32(x2, 7); \ xs = T32(x3 + xs); \ x3 = ROTL32(x3, 7); \ x4 ^= xj; \ x5 ^= xi; \ x6 ^= xh; \ x7 ^= xg; \ x0 ^= xn; \ x1 ^= xm; \ x2 ^= xl; \ x3 ^= xk; \ xc ^= xr; \ xd ^= xq; \ xe ^= xp; \ xf ^= xo; \ x8 ^= xv; \ x9 ^= xu; \ xa ^= xt; \ xb ^= xs; \ xh = T32(x4 + xh); \ x4 = ROTL32(x4, 11); \ xg = T32(x5 + xg); \ x5 = ROTL32(x5, 11); \ xj = T32(x6 + xj); \ x6 = ROTL32(x6, 11); \ xi = T32(x7 + xi); \ x7 = ROTL32(x7, 11); \ xl = T32(x0 + xl); \ x0 = ROTL32(x0, 11); \ xk = T32(x1 + xk); \ x1 = ROTL32(x1, 11); \ xn = T32(x2 + xn); \ x2 = ROTL32(x2, 11); \ xm = T32(x3 + xm); \ x3 = ROTL32(x3, 11); \ xp = T32(xc + xp); \ xc = ROTL32(xc, 11); \ xo = T32(xd + xo); \ xd = ROTL32(xd, 11); \ xr = T32(xe + xr); \ xe = ROTL32(xe, 11); \ xq = T32(xf + xq); \ xf = ROTL32(xf, 11); \ xt = T32(x8 + xt); \ x8 = ROTL32(x8, 11); \ xs = T32(x9 + xs); \ x9 = ROTL32(x9, 11); \ xv = T32(xa + xv); \ xa = ROTL32(xa, 11); \ xu = T32(xb + xu); \ xb = ROTL32(xb, 11); \ x0 ^= xh; \ x1 ^= xg; \ x2 ^= xj; \ x3 ^= xi; \ x4 ^= xl; \ x5 ^= xk; \ x6 ^= xn; \ x7 ^= xm; \ x8 ^= xp; \ x9 ^= xo; \ xa ^= xr; \ xb ^= xq; \ xc ^= xt; \ xd ^= xs; \ xe ^= xv; \ xf ^= xu; \ } while (0) /* * There is no need to unroll all 16 rounds. The word-swapping permutation * is an involution, so we need to unroll an even number of rounds. On * "big" systems, unrolling 4 rounds yields about 97% of the speed * achieved with full unrolling; and it keeps the code more compact * for small architectures. */ #if SPH_CUBEHASH_UNROLL == 2 #define SIXTEEN_ROUNDS do { \ int j; \ for (j = 0; j < 8; j ++) { \ ROUND_EVEN; \ ROUND_ODD; \ } \ } while (0) #elif SPH_CUBEHASH_UNROLL == 4 #define SIXTEEN_ROUNDS do { \ int j; \ for (j = 0; j < 4; j ++) { \ ROUND_EVEN; \ ROUND_ODD; \ ROUND_EVEN; \ ROUND_ODD; \ } \ } while (0) #elif SPH_CUBEHASH_UNROLL == 8 #define SIXTEEN_ROUNDS do { \ int j; \ for (j = 0; j < 2; j ++) { \ ROUND_EVEN; \ ROUND_ODD; \ ROUND_EVEN; \ ROUND_ODD; \ ROUND_EVEN; \ ROUND_ODD; \ ROUND_EVEN; \ ROUND_ODD; \ } \ } while (0) #else #define SIXTEEN_ROUNDS do { \ ROUND_EVEN; \ ROUND_ODD; \ ROUND_EVEN; \ ROUND_ODD; \ ROUND_EVEN; \ ROUND_ODD; \ ROUND_EVEN; \ ROUND_ODD; \ ROUND_EVEN; \ ROUND_ODD; \ ROUND_EVEN; \ ROUND_ODD; \ ROUND_EVEN; \ ROUND_ODD; \ ROUND_EVEN; \ ROUND_ODD; \ } while (0) #endif static void cubehash_init(sph_cubehash_context *sc, const sph_u32 *iv) { memcpy(sc->state, iv, sizeof sc->state); sc->ptr = 0; } static void cubehash_core(sph_cubehash_context *sc, const void *data, size_t len) { unsigned char *buf; size_t ptr; DECL_STATE buf = sc->buf; ptr = sc->ptr; if (len < (sizeof sc->buf) - ptr) { memcpy(buf + ptr, data, len); ptr += len; sc->ptr = ptr; return; } READ_STATE(sc); while (len > 0) { size_t clen; clen = (sizeof sc->buf) - ptr; if (clen > len) clen = len; memcpy(buf + ptr, data, clen); ptr += clen; data = (const unsigned char *)data + clen; len -= clen; if (ptr == sizeof sc->buf) { INPUT_BLOCK; SIXTEEN_ROUNDS; ptr = 0; } } WRITE_STATE(sc); sc->ptr = ptr; } static void cubehash_close(sph_cubehash_context *sc, unsigned ub, unsigned n, void *dst, size_t out_size_w32) { unsigned char *buf, *out; size_t ptr; unsigned z; int i; DECL_STATE buf = sc->buf; ptr = sc->ptr; z = 0x80 >> n; buf[ptr ++] = ((ub & -z) | z) & 0xFF; memset(buf + ptr, 0, (sizeof sc->buf) - ptr); READ_STATE(sc); INPUT_BLOCK; for (i = 0; i < 11; i ++) { SIXTEEN_ROUNDS; if (i == 0) xv ^= SPH_C32(1); } WRITE_STATE(sc); out = dst; for (z = 0; z < out_size_w32; z ++) sph_enc32le(out + (z << 2), sc->state[z]); } /* see sph_cubehash.h */ void sph_cubehash224_init(void *cc) { cubehash_init(cc, IV224); } /* see sph_cubehash.h */ void sph_cubehash224(void *cc, const void *data, size_t len) { cubehash_core(cc, data, len); } /* see sph_cubehash.h */ void sph_cubehash224_close(void *cc, void *dst) { sph_cubehash224_addbits_and_close(cc, 0, 0, dst); } /* see sph_cubehash.h */ void sph_cubehash224_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst) { cubehash_close(cc, ub, n, dst, 7); sph_cubehash224_init(cc); } /* see sph_cubehash.h */ void sph_cubehash256_init(void *cc) { cubehash_init(cc, IV256); } /* see sph_cubehash.h */ void sph_cubehash256(void *cc, const void *data, size_t len) { cubehash_core(cc, data, len); } /* see sph_cubehash.h */ void sph_cubehash256_close(void *cc, void *dst) { sph_cubehash256_addbits_and_close(cc, 0, 0, dst); } /* see sph_cubehash.h */ void sph_cubehash256_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst) { cubehash_close(cc, ub, n, dst, 8); sph_cubehash256_init(cc); } /* see sph_cubehash.h */ void sph_cubehash384_init(void *cc) { cubehash_init(cc, IV384); } /* see sph_cubehash.h */ void sph_cubehash384(void *cc, const void *data, size_t len) { cubehash_core(cc, data, len); } /* see sph_cubehash.h */ void sph_cubehash384_close(void *cc, void *dst) { sph_cubehash384_addbits_and_close(cc, 0, 0, dst); } /* see sph_cubehash.h */ void sph_cubehash384_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst) { cubehash_close(cc, ub, n, dst, 12); sph_cubehash384_init(cc); } /* see sph_cubehash.h */ void sph_cubehash512_init(void *cc) { cubehash_init(cc, IV512); } /* see sph_cubehash.h */ void sph_cubehash512(void *cc, const void *data, size_t len) { cubehash_core(cc, data, len); } /* see sph_cubehash.h */ void sph_cubehash512_close(void *cc, void *dst) { sph_cubehash512_addbits_and_close(cc, 0, 0, dst); } /* see sph_cubehash.h */ void sph_cubehash512_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst) { cubehash_close(cc, ub, n, dst, 16); sph_cubehash512_init(cc); } #ifdef __cplusplus } #endif