diff options
Diffstat (limited to '')
-rw-r--r-- | java-c-jni/SHA3.c | 871 |
1 files changed, 0 insertions, 871 deletions
diff --git a/java-c-jni/SHA3.c b/java-c-jni/SHA3.c deleted file mode 100644 index 76b1d61..0000000 --- a/java-c-jni/SHA3.c +++ /dev/null @@ -1,871 +0,0 @@ -/** - * sha3sum – SHA-3 (Keccak) checksum calculator - * - * Copyright © 2013, 2014 Mattias Andrée (maandree@member.fsf.org) - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Affero General Public License for more details. - * - * You should have received a copy of the GNU Affero General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ -#include <stdlib.h> -#include "SHA3.h" - - -#if __x86_64__ || __ppc64__ - #define llong long int -#else - #define llong long long int -#endif - - -#define null 0 -#define byte char -#define boolean long -#define true 1 -#define false 0 - - - -/** - * Round contants - */ -static const llong RC[] = { - 0x0000000000000001L, 0x0000000000008082L, 0x800000000000808AL, 0x8000000080008000L, - 0x000000000000808BL, 0x0000000080000001L, 0x8000000080008081L, 0x8000000000008009L, - 0x000000000000008AL, 0x0000000000000088L, 0x0000000080008009L, 0x000000008000000AL, - 0x000000008000808BL, 0x800000000000008BL, 0x8000000000008089L, 0x8000000000008003L, - 0x8000000000008002L, 0x8000000000000080L, 0x000000000000800AL, 0x800000008000000AL, - 0x8000000080008081L, 0x8000000000008080L, 0x0000000080000001L, 0x8000000080008008L}; - -/** - * Keccak-f round temporary - */ -static llong B[25]; - -/** - * Keccak-f round temporary - */ -static llong C[5]; - - -/** - * The bitrate - */ -static long r = 0; - -/** - * The capacity - */ -static long c = 0; - -/** - * The output size - */ -static long n = 0; - -/** - * The state size - */ -static long b = 0; - -/** - * The word size - */ -static long w = 0; - -/** - * The word mask - */ -static llong wmod = 0; - -/** - * ℓ, the binary logarithm of the word size - */ -static long l = 0; - -/** - * 12 + 2ℓ, the number of rounds - */ -static long nr = 0; - - -/** - * The current state - */ -static llong* S = null; - -/** - * Left over water to fill the sponge with at next update - */ -static byte* M = null; - -/** - * Pointer for {@link #M} - */ -static long mptr = 0; - -/** - * Size of {@link #M} - */ -static long mlen = 0; - - - -/** - * Gets the smallest, in value, of the arguments - * - * @param X The first candidate - * @param Y The second candidate - * @return The lowest candidate - */ -#define min(X, Y) ((X) < (Y) ? (X) : (Y)) - - - -/** - * Copy an array segment into an array in start to end order - * - * @param src The source array - * @param soff The source array offset - * @param dest The destination array - * @param doff The destination array offset - * @param length The number of elements to copy - */ -inline void arraycopy(byte* src, long soff, byte* dest, long doff, long length) -{ - long i; - src += soff; - dest += doff; - - #define __(X) dest[X] = src[X] - #define __0 *dest = *src - #define __1 __(0x01) - #define __2 __(0x02); __(0x03) - #define __3 __(0x04); __(0x05); __(0x06); __(0x07) - #define __4 __(0x08); __(0x09); __(0x0A); __(0x0B); __(0x0C); __(0x0D); __(0x0E); __(0x0F) - #define __5 __(0x10); __(0x11); __(0x12); __(0x13); __(0x14); __(0x15); __(0x16); __(0x17); __(0x18); __(0x19); __(0x1A); __(0x1B); __(0x1C); __(0x1D); __(0x1E); __(0x1F) - #define __6 __(0x20); __(0x21); __(0x22); __(0x23); __(0x24); __(0x25); __(0x26); __(0x27); __(0x28); __(0x29); __(0x2A); __(0x2B); __(0x2C); __(0x2D); __(0x2E); __(0x2F); \ - __(0x30); __(0x31); __(0x32); __(0x33); __(0x34); __(0x35); __(0x36); __(0x37); __(0x38); __(0x39); __(0x3A); __(0x3B); __(0x3C); __(0x3D); __(0x3E); __(0x3F) - #define __7 __(0x40); __(0x41); __(0x42); __(0x43); __(0x44); __(0x45); __(0x46); __(0x47); __(0x48); __(0x49); __(0x4A); __(0x4B); __(0x4C); __(0x4D); __(0x4E); __(0x4F); \ - __(0x50); __(0x51); __(0x52); __(0x53); __(0x54); __(0x55); __(0x56); __(0x57); __(0x58); __(0x59); __(0x5A); __(0x5B); __(0x5C); __(0x5D); __(0x5E); __(0x5F); \ - __(0x60); __(0x61); __(0x62); __(0x63); __(0x64); __(0x65); __(0x66); __(0x67); __(0x68); __(0x69); __(0x6A); __(0x6B); __(0x6C); __(0x6D); __(0x6E); __(0x6F); \ - __(0x70); __(0x71); __(0x72); __(0x73); __(0x74); __(0x75); __(0x76); __(0x77); __(0x78); __(0x79); __(0x7A); __(0x7B); __(0x7C); __(0x7D); __(0x7E); __(0x7F) - #define __8 __(0x80); __(0x81); __(0x82); __(0x83); __(0x84); __(0x85); __(0x86); __(0x87); __(0x88); __(0x89); __(0x8A); __(0x8B); __(0x8C); __(0x8D); __(0x8E); __(0x8F); \ - __(0x90); __(0x91); __(0x92); __(0x93); __(0x94); __(0x95); __(0x96); __(0x97); __(0x98); __(0x99); __(0x9A); __(0x9B); __(0x9C); __(0x9D); __(0x9E); __(0x9F); \ - __(0xA0); __(0xA1); __(0xA2); __(0xA3); __(0xA4); __(0xA5); __(0xA6); __(0xA7); __(0xA8); __(0xA9); __(0xAA); __(0xAB); __(0xAC); __(0xAD); __(0xAE); __(0xAF); \ - __(0xB0); __(0xB1); __(0xB2); __(0xB3); __(0xB4); __(0xB5); __(0xB6); __(0xB7); __(0xB8); __(0xB9); __(0xBA); __(0xBB); __(0xBC); __(0xBD); __(0xBE); __(0xBF); \ - __(0xC0); __(0xC1); __(0xC2); __(0xC3); __(0xC4); __(0xC5); __(0xC6); __(0xC7); __(0xC8); __(0xC9); __(0xCA); __(0xCB); __(0xCC); __(0xCD); __(0xCE); __(0xCF); \ - __(0xD0); __(0xD1); __(0xD2); __(0xD3); __(0xD4); __(0xD5); __(0xD6); __(0xD7); __(0xD8); __(0xD9); __(0xDA); __(0xDB); __(0xDC); __(0xDD); __(0xDE); __(0xDF); \ - __(0xE0); __(0xE1); __(0xE2); __(0xE3); __(0xE4); __(0xE5); __(0xE6); __(0xE7); __(0xE8); __(0xE9); __(0xEA); __(0xEB); __(0xEC); __(0xED); __(0xEE); __(0xEF); \ - __(0xF0); __(0xF1); __(0xF2); __(0xF3); __(0xF4); __(0xF5); __(0xF6); __(0xF7); __(0xF8); __(0xF9); __(0xFA); __(0xFB); __(0xFC); __(0xFD); __(0xFE); __(0xFF) - - if ((length & 15)) - { - if ((length & 1)) { __0; src += 1; dest += 1; } - if ((length & 2)) { __0; __1; src += 2; dest += 2; } - if ((length & 4)) { __0; __1; __2; src += 4; dest += 4; } - if ((length & 8)) { __0; __1; __2; __3; src += 8; dest += 8; } - } - if ((length & 240)) - { - if ((length & 16)) { __0; __1; __2; __3; __4; src += 16; dest += 16; } - if ((length & 32)) { __0; __1; __2; __3; __4; __5; src += 32; dest += 32; } - if ((length & 64)) { __0; __1; __2; __3; __4; __5; __6; src += 64; dest += 64; } - if ((length & 128)) { __0; __1; __2; __3; __4; __5; __6; __7; src += 128; dest += 128; } - } - length &= ~255; - for (i = 0; i < length; i += 256) - { - __0; __1; __2; __3; __4; __5; __6; __7; __8; src += 256; dest += 256; - } - - #undef __8 - #undef __7 - #undef __6 - #undef __5 - #undef __4 - #undef __3 - #undef __2 - #undef __1 - #undef __0 - #undef __ -} - - -/** - * Copy an array segment into an array in end to start order - * - * @param src The source array - * @param soff The source array offset - * @param dest The destination array - * @param doff The destination array offset - * @param length The number of elements to copy - */ -inline void revarraycopy(byte* src, long soff, byte* dest, long doff, long length) -{ - long copyi; - for (copyi = length - 1; copyi >= 0; copyi--) - dest[copyi + doff] = src[copyi + soff]; -} - - -/** - * Rotate a word - * - * @param X:llong The value to rotate - * @param N:long Rotation steps, may not be 0 - * @return :llong The value rotated - */ -#define rotate(X, N) ((((X) >> (w - ((N) % w))) + ((X) << ((N) % w))) & wmod) - - -/** - * Rotate a 64-bit word - * - * @param X:llong The value to rotate - * @param N:long Rotation steps, may not be 0 - * @return :llong The value rotated - */ -#define rotate64(X, N) ((llong)((unsigned llong)(X) >> (64 - (N))) + ((X) << (N))) - - -/** - * Binary logarithm - * - * @param x The value of which to calculate the binary logarithm - * @return The binary logarithm - */ -static long lb(long x) -{ - long rc = 0; - if ((x & 0xFF00) != 0) { rc += 8; x >>= 8; } - if ((x & 0x00F0) != 0) { rc += 4; x >>= 4; } - if ((x & 0x000C) != 0) { rc += 2; x >>= 2; } - if ((x & 0x0002) != 0) rc += 1; - return rc; -} - - -/** - * Perform one round of computation - * - * @param A The current state - * @param rc Round constant - */ -static void keccakFRound(llong* A, llong rc) -{ - llong da, db, dc, dd, de; - - /* θ step (step 1 and 2 of 3) */ - #define __C(I, J0, J1, J2, J3, J4) C[I] = (A[J0] ^ A[J1]) ^ (A[J2] ^ A[J3]) ^ A[J4] - __C(0, 0, 1, 2, 3, 4); - __C(1, 5, 6, 7, 8, 9); - __C(2, 10, 11, 12, 13, 14); - __C(3, 15, 16, 17, 18, 19); - __C(4, 20, 21, 22, 23, 24); - #undef __C - - if (w == 64) - { - da = C[4] ^ rotate64(C[1], 1); - dd = C[2] ^ rotate64(C[4], 1); - db = C[0] ^ rotate64(C[2], 1); - de = C[3] ^ rotate64(C[0], 1); - dc = C[1] ^ rotate64(C[3], 1); - - /* ρ and π steps, with last two part of θ */ - #define __B(Bi, Ai, Dv, R) B[Bi] = rotate64(A[Ai] ^ Dv, R) - B[0] = A[0] ^ da; __B( 1, 15, dd, 28); __B( 2, 5, db, 1); __B( 3, 20, de, 27); __B( 4, 10, dc, 62); - __B( 5, 6, db, 44); __B( 6, 21, de, 20); __B( 7, 11, dc, 6); __B( 8, 1, da, 36); __B( 9, 16, dd, 55); - __B(10, 12, dc, 43); __B(11, 2, da, 3); __B(12, 17, dd, 25); __B(13, 7, db, 10); __B(14, 22, de, 39); - __B(15, 18, dd, 21); __B(16, 8, db, 45); __B(17, 23, de, 8); __B(18, 13, dc, 15); __B(19, 3, da, 41); - __B(20, 24, de, 14); __B(21, 14, dc, 61); __B(22, 4, da, 18); __B(23, 19, dd, 56); __B(24, 9, db, 2); - #undef __B - } - else - { - da = C[4] ^ rotate(C[1], 1); - dd = C[2] ^ rotate(C[4], 1); - db = C[0] ^ rotate(C[2], 1); - de = C[3] ^ rotate(C[0], 1); - dc = C[1] ^ rotate(C[3], 1); - - /* ρ and π steps, with last two part of θ */ - #define __B(Bi, Ai, Dv, R) B[Bi] = rotate(A[Ai] ^ Dv, R) - B[0] = A[0] ^ da; __B( 1, 15, dd, 28); __B( 2, 5, db, 1); __B( 3, 20, de, 27); __B( 4, 10, dc, 62); - __B( 5, 6, db, 44); __B( 6, 21, de, 20); __B( 7, 11, dc, 6); __B( 8, 1, da, 36); __B( 9, 16, dd, 55); - __B(10, 12, dc, 43); __B(11, 2, da, 3); __B(12, 17, dd, 25); __B(13, 7, db, 10); __B(14, 22, de, 39); - __B(15, 18, dd, 21); __B(16, 8, db, 45); __B(17, 23, de, 8); __B(18, 13, dc, 15); __B(19, 3, da, 41); - __B(20, 24, de, 14); __B(21, 14, dc, 61); __B(22, 4, da, 18); __B(23, 19, dd, 56); __B(24, 9, db, 2); - #undef __B - } - - /* ξ step */ - #define __A(X, X5, X10) A[X] = B[X] ^ ((~(B[X5])) & B[X10]) - __A( 0, 5, 10); __A( 1, 6, 11); __A( 2, 7, 12); __A( 3, 8, 13); __A( 4, 9, 14); - __A( 5, 10, 15); __A( 6, 11, 16); __A( 7, 12, 17); __A( 8, 13, 18); __A( 9, 14, 19); - __A(10, 15, 20); __A(11, 16, 21); __A(12, 17, 22); __A(13, 18, 23); __A(14, 19, 24); - __A(15, 20, 0); __A(16, 21, 1); __A(17, 22, 2); __A(18, 23, 3); __A(19, 24, 4); - __A(20, 0, 5); __A(21, 1, 6); __A(22, 2, 7); __A(23, 3, 8); __A(24, 4, 9); - #undef __A - - /* ι step */ - A[0] ^= rc; -} - - -/** - * Perform Keccak-f function - * - * @param A The current state - */ -static void keccakF(llong* A) -{ - long i; - if (nr == 24) - { - keccakFRound(A, 0x0000000000000001); - keccakFRound(A, 0x0000000000008082); - keccakFRound(A, 0x800000000000808A); - keccakFRound(A, 0x8000000080008000); - keccakFRound(A, 0x000000000000808B); - keccakFRound(A, 0x0000000080000001); - keccakFRound(A, 0x8000000080008081); - keccakFRound(A, 0x8000000000008009); - keccakFRound(A, 0x000000000000008A); - keccakFRound(A, 0x0000000000000088); - keccakFRound(A, 0x0000000080008009); - keccakFRound(A, 0x000000008000000A); - keccakFRound(A, 0x000000008000808B); - keccakFRound(A, 0x800000000000008B); - keccakFRound(A, 0x8000000000008089); - keccakFRound(A, 0x8000000000008003); - keccakFRound(A, 0x8000000000008002); - keccakFRound(A, 0x8000000000000080); - keccakFRound(A, 0x000000000000800A); - keccakFRound(A, 0x800000008000000A); - keccakFRound(A, 0x8000000080008081); - keccakFRound(A, 0x8000000000008080); - keccakFRound(A, 0x0000000080000001); - keccakFRound(A, 0x8000000080008008); - } - else - for (i = 0; i < nr; i++) - keccakFRound(A, RC[i] & wmod); -} - - -/** - * Convert a chunk of byte:s to a word - * - * @param message The message - * @param msglen The length of the message - * @param rr Bitrate in bytes - * @param ww Word size in bytes - * @param off The offset in the message - * @return Lane - */ -inline llong toLane(byte* message, long msglen, long rr, long ww, long off) -{ - llong rc = 0; - long n = min(msglen, rr), i; - for (i = off + ww - 1; i >= off; i--) - rc = (rc << 8) | ((i < n) ? (llong)(message[i] & 255) : 0L); - return rc; -} - - -/** - * Convert a chunk of byte:s to a 64-bit word - * - * @param message The message - * @param msglen The length of the message - * @param rr Bitrate in bytes - * @param off The offset in the message - * @return Lane - */ -inline llong toLane64(byte* message, long msglen, long rr, long off) -{ - long n = min(msglen, rr); - return ((off + 7 < n) ? ((llong)(message[off + 7] & 255) << 56) : 0L) | - ((off + 6 < n) ? ((llong)(message[off + 6] & 255) << 48) : 0L) | - ((off + 5 < n) ? ((llong)(message[off + 5] & 255) << 40) : 0L) | - ((off + 4 < n) ? ((llong)(message[off + 4] & 255) << 32) : 0L) | - ((off + 3 < n) ? ((llong)(message[off + 3] & 255) << 24) : 0L) | - ((off + 2 < n) ? ((llong)(message[off + 2] & 255) << 16) : 0L) | - ((off + 1 < n) ? ((llong)(message[off + 1] & 255) << 8) : 0L) | - ((off < n) ? ((llong)(message[off ] & 255) ) : 0L); -} - - -/** - * pad 10*1 - * - * @param msg The message to pad - * @param len The length of the message - * @param r The bitrate - * @param bits The number of bits in the end of the message that does not make a whole byte - * @param outlen The length of the padded message (out parameter) - * @return The message padded - */ -inline byte* pad10star1(byte* msg, long len, long r, long bits, long* outlen) -{ - byte* message; - byte b; - long i, ll, nbrf, nrf; - - len = ((len - (bits + 7) / 8) << 3) + bits; - nrf = len >> 3; - nbrf = len & 7; - ll = len % r; - - b = (byte)(nbrf == 0 ? 1 : (msg[nrf] | (1 << nbrf))); - - if ((r - 8 <= ll) && (ll <= r - 2)) - { - message = (byte*)malloc(len = nrf + 1); - message[nrf] = (byte)(b ^ 128); - } - else - { - byte* M; - long N; - len = (nrf + 1) << 3; - len = ((len - (len % r) + (r - 8)) >> 3) + 1; - message = (byte*)malloc(len); - message[nrf] = b; - N = len - nrf - 1; - M = message + nrf + 1; - - #define __(X) M[X] = 0 - #define __0 *M = 0 - #define __1 __(0x01) - #define __2 __(0x02); __(0x03) - #define __3 __(0x04); __(0x05); __(0x06); __(0x07) - #define __4 __(0x08); __(0x09); __(0x0A); __(0x0B); __(0x0C); __(0x0D); __(0x0E); __(0x0F) - #define __5 __(0x10); __(0x11); __(0x12); __(0x13); __(0x14); __(0x15); __(0x16); __(0x17); __(0x18); __(0x19); __(0x1A); __(0x1B); __(0x1C); __(0x1D); __(0x1E); __(0x1F) - #define __6 __(0x20); __(0x21); __(0x22); __(0x23); __(0x24); __(0x25); __(0x26); __(0x27); __(0x28); __(0x29); __(0x2A); __(0x2B); __(0x2C); __(0x2D); __(0x2E); __(0x2F); \ - __(0x30); __(0x31); __(0x32); __(0x33); __(0x34); __(0x35); __(0x36); __(0x37); __(0x38); __(0x39); __(0x3A); __(0x3B); __(0x3C); __(0x3D); __(0x3E); __(0x3F) - #define __7 __(0x40); __(0x41); __(0x42); __(0x43); __(0x44); __(0x45); __(0x46); __(0x47); __(0x48); __(0x49); __(0x4A); __(0x4B); __(0x4C); __(0x4D); __(0x4E); __(0x4F); \ - __(0x50); __(0x51); __(0x52); __(0x53); __(0x54); __(0x55); __(0x56); __(0x57); __(0x58); __(0x59); __(0x5A); __(0x5B); __(0x5C); __(0x5D); __(0x5E); __(0x5F); \ - __(0x60); __(0x61); __(0x62); __(0x63); __(0x64); __(0x65); __(0x66); __(0x67); __(0x68); __(0x69); __(0x6A); __(0x6B); __(0x6C); __(0x6D); __(0x6E); __(0x6F); \ - __(0x70); __(0x71); __(0x72); __(0x73); __(0x74); __(0x75); __(0x76); __(0x77); __(0x78); __(0x79); __(0x7A); __(0x7B); __(0x7C); __(0x7D); __(0x7E); __(0x7F) - #define __8 __(0x80); __(0x81); __(0x82); __(0x83); __(0x84); __(0x85); __(0x86); __(0x87); __(0x88); __(0x89); __(0x8A); __(0x8B); __(0x8C); __(0x8D); __(0x8E); __(0x8F); \ - __(0x90); __(0x91); __(0x92); __(0x93); __(0x94); __(0x95); __(0x96); __(0x97); __(0x98); __(0x99); __(0x9A); __(0x9B); __(0x9C); __(0x9D); __(0x9E); __(0x9F); \ - __(0xA0); __(0xA1); __(0xA2); __(0xA3); __(0xA4); __(0xA5); __(0xA6); __(0xA7); __(0xA8); __(0xA9); __(0xAA); __(0xAB); __(0xAC); __(0xAD); __(0xAE); __(0xAF); \ - __(0xB0); __(0xB1); __(0xB2); __(0xB3); __(0xB4); __(0xB5); __(0xB6); __(0xB7); __(0xB8); __(0xB9); __(0xBA); __(0xBB); __(0xBC); __(0xBD); __(0xBE); __(0xBF); \ - __(0xC0); __(0xC1); __(0xC2); __(0xC3); __(0xC4); __(0xC5); __(0xC6); __(0xC7); __(0xC8); __(0xC9); __(0xCA); __(0xCB); __(0xCC); __(0xCD); __(0xCE); __(0xCF); \ - __(0xD0); __(0xD1); __(0xD2); __(0xD3); __(0xD4); __(0xD5); __(0xD6); __(0xD7); __(0xD8); __(0xD9); __(0xDA); __(0xDB); __(0xDC); __(0xDD); __(0xDE); __(0xDF); \ - __(0xE0); __(0xE1); __(0xE2); __(0xE3); __(0xE4); __(0xE5); __(0xE6); __(0xE7); __(0xE8); __(0xE9); __(0xEA); __(0xEB); __(0xEC); __(0xED); __(0xEE); __(0xEF); \ - __(0xF0); __(0xF1); __(0xF2); __(0xF3); __(0xF4); __(0xF5); __(0xF6); __(0xF7); __(0xF8); __(0xF9); __(0xFA); __(0xFB); __(0xFC); __(0xFD); __(0xFE); __(0xFF) - - if ((N & 15)) - { - if ((N & 1)) { __0; M += 1; } - if ((N & 2)) { __0; __1; M += 2; } - if ((N & 4)) { __0; __1; __2; M += 4; } - if ((N & 8)) { __0; __1; __2; __3; M += 8; } - } - if ((N & 240)) - { - if ((N & 16)) { __0; __1; __2; __3; __4; M += 16; } - if ((N & 32)) { __0; __1; __2; __3; __4; __5; M += 32; } - if ((N & 64)) { __0; __1; __2; __3; __4; __5; __6; M += 64; } - if ((N & 128)) { __0; __1; __2; __3; __4; __5; __6; __7; M += 128; } - } - N &= ~255; - for (i = 0; i < N; i += 256) - { - __0; __1; __2; __3; __4; __5; __6; __7; __8; M += 256; - } - - #undef __8 - #undef __7 - #undef __6 - #undef __5 - #undef __4 - #undef __3 - #undef __2 - #undef __1 - #undef __0 - #undef __ - - message[len - 1] = -128; - } - arraycopy(msg, 0, message, 0, nrf); - - *outlen = len; - return message; -} - - -/** - * Initialise Keccak sponge - * - * @param bitrate The bitrate - * @param capacity The capacity - * @param output The output size - */ -void initialise(long bitrate, long capacity, long output) -{ - long i; - - r = bitrate; - n = output; - c = capacity; - b = r + c; - w = b / 25; - l = lb(w); - nr = 12 + (l << 1); - if (w == 64) - wmod = -1; - else - { - wmod = 1; - wmod <<= w; - wmod--; - } - S = (llong*)malloc(25 * sizeof(llong)); - M = (byte*)malloc(mlen = (r * b) >> 2); - mptr = 0; - - for (i = 0; i < 25; i++) - *(S + i) = 0; -} - -/** - * Dispose of the Keccak sponge - */ -extern void dispose() -{ - if (S != null) - { - free(S); - S = null; - } - if (M != null) - { - free(M); - M = null; - } -} - -/** - * Absorb the more of the message message to the Keccak sponge - * - * @param msg The partial message - * @param msglen The length of the partial message - */ -void update(byte* msg, long msglen) -{ - long rr = r >> 3; - long ww = w >> 3; - long i, len; - byte* message; - byte* _msg; - long nnn; - - if (mptr + msglen > mlen) - { - byte* buf = (byte*)malloc(mlen = (mlen + msglen) << 1); - arraycopy(M, 0, buf, 0, mptr); - free(M); - M = buf; - } - arraycopy(msg, 0, M, mptr, msglen); - len = mptr += msglen; - len -= len % ((r * b) >> 3); - message = (byte*)malloc(len); - arraycopy(M, 0, message, 0, len); - mptr -= len; - revarraycopy(M, nnn = len, M, 0, mptr); - _msg = message; - - /* Absorbing phase */ - if (ww == 8) - for (i = 0; i < nnn; i += rr) - { - #define __S(Si, OFF) S[Si] ^= toLane64(message, len, rr, OFF) - __S( 0, 0); __S( 5, 8); __S(10, 16); __S(15, 24); __S(20, 32); - __S( 1, 40); __S( 6, 48); __S(11, 56); __S(16, 64); __S(21, 72); - __S( 2, 80); __S( 7, 88); __S(12, 96); __S(17, 104); __S(22, 112); - __S( 3, 120); __S( 8, 128); __S(13, 136); __S(18, 144); __S(23, 152); - __S( 4, 160); __S( 9, 168); __S(14, 176); __S(19, 184); __S(24, 192); - #undef __S - keccakF(S); - message += rr; - len -= rr; - } - else - for (i = 0; i < nnn; i += rr) - { - #define __S(Si, OFF) S[Si] ^= toLane(message, len, rr, ww, OFF * ww) - __S( 0, 0); __S( 5, 1); __S(10, 2); __S(15, 3); __S(20, 4); - __S( 1, 5); __S( 6, 6); __S(11, 7); __S(16, 8); __S(21, 9); - __S( 2, 10); __S( 7, 11); __S(12, 12); __S(17, 13); __S(22, 14); - __S( 3, 15); __S( 8, 16); __S(13, 17); __S(18, 18); __S(23, 19); - __S( 4, 20); __S( 9, 21); __S(14, 22); __S(19, 23); __S(24, 24); - #undef __S - keccakF(S); - message += rr; - len -= rr; - } - - free(_msg); -} - - -/** - * Absorb the last part of the message and squeeze the Keccak sponge - * - * @param msg The rest of the message, may be {@code null} - * @param msglen The length of the partial message - * @param bits The number of bits at the end of the message not covered by <tt>msglen</tt> - * @param suffix The suffix concatenate to the message - * @param suffix_len The length of the suffix - * @param withReturn Whether to return the hash instead of just do a quick squeeze phrase and return {@code null} - * @return The hash sum, or {@code null} if <tt>withReturn</tt> is {@code false} - */ -byte* digest(byte* msg, long msglen, long bits, int* suffix, long suffix_len, boolean withReturn) -{ - byte* message; - byte* _msg; - byte* rc; - long rr = r >> 3, len; - long nn = (n + 7) >> 3, olen; - long ww = w >> 3, ni; - long i, j = 0, ptr = 0, _; - long nnn; - - if (msg == null) - msglen = bits = 0; - - msglen += bits >> 3; - if ((bits &= 7)) - msg[msglen] &= (1 << bits) - 1; - if (suffix_len) - { - msg = (byte*)realloc(msg, msglen + ((suffix_len + bits + 7) >> 3)); - if (!bits) - msg[msglen] = 0; - for (i = 0; i < suffix_len; i++) - { - msg[msglen] |= suffix[i] << bits++; - if (bits == 8) - { - bits = 0; - msglen++; - msg[msglen] = 0; - } - } - } - if (bits) - msglen++; - - if (mptr + msglen > mlen) - { - byte* buf = (byte*)malloc(mlen += msglen); - arraycopy(M, 0, buf, 0, mptr); - free(M); - M = buf; - } - arraycopy(msg, 0, M, mptr, msglen); - message = pad10star1(M, mptr + msglen, r, bits, &len); - - free(M); - M = null; - rc = (byte*)malloc((n + 7) >> 3); - _msg = message; - nnn = len; - - /* Absorbing phase */ - if (ww == 8) - for (i = 0; i < nnn; i += rr) - { - #define __S(Si, OFF) S[Si] ^= toLane64(message, len, rr, OFF) - __S( 0, 0); __S( 5, 8); __S(10, 16); __S(15, 24); __S(20, 32); - __S( 1, 40); __S( 6, 48); __S(11, 56); __S(16, 64); __S(21, 72); - __S( 2, 80); __S( 7, 88); __S(12, 96); __S(17, 104); __S(22, 112); - __S( 3, 120); __S( 8, 128); __S(13, 136); __S(18, 144); __S(23, 152); - __S( 4, 160); __S( 9, 168); __S(14, 176); __S(19, 184); __S(24, 192); - #undef __S - keccakF(S); - message += rr; - len -= rr; - } - else - for (i = 0; i < nnn; i += rr) - { - #define __S(Si, OFF) S[Si] ^= toLane(message, len, rr, ww, OFF * ww) - __S( 0, 0); __S( 5, 1); __S(10, 2); __S(15, 3); __S(20, 4); - __S( 1, 5); __S( 6, 6); __S(11, 7); __S(16, 8); __S(21, 9); - __S( 2, 10); __S( 7, 11); __S(12, 12); __S(17, 13); __S(22, 14); - __S( 3, 15); __S( 8, 16); __S(13, 17); __S(18, 18); __S(23, 19); - __S( 4, 20); __S( 9, 21); __S(14, 22); __S(19, 23); __S(24, 24); - #undef __S - keccakF(S); - message += rr; - len -= rr; - } - - free(_msg); - - /* Squeezing phase */ - olen = n; - if (withReturn) - { - ni = rr / ww; - while (olen > 0) - { - i = 0; - while ((i < ni) && (j < nn)) - { - llong v = S[(i % 5) * 5 + i / 5]; - for (_ = 0; _ < ww; _++) - { - if (j < nn) - rc[ptr++] = (byte)v; - v >>= 8; - j += 1; - } - i += 1; - } - olen -= r; - if (olen > 0) - keccakF(S); - } - if ((n & 7)) - rc[n >> 3] &= (1 << (n & 7)) - 1; - - return rc; - } - while ((olen -= r) > 0) - keccakF(S); - return null; -} - - -/** - * Force some rounds of Keccak-f - * - * @param times The number of rounds - */ -void simpleSqueeze(long times) -{ - long i; - for (i = 0; i < times; i++) - keccakF(S); -} - - -/** - * Squeeze as much as is needed to get a digest a number of times - * - * @param times The number of digests - */ -void fastSqueeze(long times) -{ - long i, olen; - for (i = 0; i < times; i++) - { - keccakF(S); /* Last squeeze did not do a ending squeeze */ - olen = n; - while ((olen -= r) > 0) - keccakF(S); - } -} - - -/** - * Squeeze out another digest - * - * @return The hash sum - */ -byte* squeeze() -{ - long nn, ww, olen, i, j, ptr, ni; - byte* rc; - - keccakF(S); /* Last squeeze did not do a ending squeeze */ - - ww = w >> 3; - rc = (byte*)malloc(nn = (n + 7) >> 3); - olen = n; - j = ptr = 0; - ni = (r >> 3) / ww; - - while (olen > 0) - { - i = 0; - while ((i < ni) && (j < nn)) - { - long _, v = S[(i % 5) * 5 + i / 5]; - for (_ = 0; _ < ww; _++) - { - if (j < nn) - *(rc + ptr++) = (byte)v; - v >>= 8; - j += 1; - } - i += 1; - } - olen -= r; - if (olen > 0) - keccakF(S); - } - if (n & 7) - rc[nn - 1] &= (1 << (n & 7)) - 1; - - return rc; -} - - - -JNIEXPORT void JNICALL Java_SHA3_initialise(JNIEnv* env, jclass class, jint bitrate, jint capacity, jint output) -{ - (void) env; - (void) class; - - initialise(bitrate, capacity, output); -} - - -JNIEXPORT void JNICALL Java_SHA3_update(JNIEnv* env, jclass class, jbyteArray msg, jint msglen) -{ - (void) class; - if ((msg != null) && (msglen != 0)) - update((byte*)((*env)->GetByteArrayElements(env, msg, 0)), msglen); -} - - -JNIEXPORT jbyteArray JNICALL Java_SHA3_digest(JNIEnv* env, jclass class, jbyteArray msg, jint msglen, jint bits, jintArray suffix, jboolean withReturn) -{ - jbyte* rcn; - jbyteArray rcj = null; - int* suffix_elems = (int*)((*env)->GetIntArrayElements(env, suffix, 0)); - long suffix_len = (long)((*env)->GetArrayLength(env, suffix)); - - (void) class; - - if ((msg != null) && (msglen != 0)) - rcn = (jbyte*)digest((byte*)((*env)->GetByteArrayElements(env, msg, 0)), msglen, - bits, suffix_elems, suffix_len, withReturn); - else - rcn = (jbyte*)digest(null, 0, 0, suffix_elems, suffix_len, withReturn); - if (withReturn) - { - rcj = (*env)->NewByteArray(env, (n + 7) >> 3); - (*env)->SetByteArrayRegion(env, rcj, 0, (n + 7) >> 3, rcn); - } - return rcj; -} - |