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Diffstat (limited to 'java-c-jni/SHA3.java')
-rw-r--r-- | java-c-jni/SHA3.java | 384 |
1 files changed, 0 insertions, 384 deletions
diff --git a/java-c-jni/SHA3.java b/java-c-jni/SHA3.java deleted file mode 100644 index 4be013e..0000000 --- a/java-c-jni/SHA3.java +++ /dev/null @@ -1,384 +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/>. - */ -import java.io.*; -import java.util.*; - - -/** - * SHA-3/Keccak hash algorithm implementation - * - * @author Mattias Andrée <a href="mailto:maandree@member.fsf.org">maandree@member.fsf.org</a> - */ -public class SHA3 -{ - /** - * Suffix the message when calculating the Keccak hash sum - */ - public static final String KECCAK_SUFFIX = ""; - - /** - * Suffix the message when calculating the SHA-3 hash sum - */ - public static final String SHA3_SUFFIX = "01"; - - /** - * Suffix the message when calculating the RawSHAKE hash sum - */ - public static final String RawSHAKE_SUFFIX = "11"; - - /** - * Suffix the message when calculating the SHAKE hash sum - */ - public static final String SHAKE_SUFFIX = "1111"; - - - - /** - * Hidden constructor - */ - private SHA3() - { - // Inhibit instansiation - } - - - - /** - * Class initialiser - */ - static - { - try - { - System.load((new File("./SHA3.so")).getCanonicalPath()); - } - catch (IOException err) - { - throw new Error("SHA3 library cannot be found"); - } - } - - - - /** - * Initialise Keccak sponge - * - * @param r The bitrate - * @param c The capacity - * @param n The output size - */ - public static native void initialise(int r, int c, int n); - - - /** - * Absorb the more of the message message to the Keccak sponge - * - * @param msg The partial message - */ - public static void update(byte[] msg) - { - update(msg, msg.length); - } - - - /** - * Absorb the more of the message message to the Keccak sponge - * - * @param msg The partial message - * @param msglen The length of the partial message - */ - public static native void update(byte[] msg, int msglen); - - - /** - * Squeeze the Keccak sponge - * - * @return The hash sum - */ - public static byte[] digest() - { - return digest(null, 0, 0, SHA3.SHA3_SUFFIX, true); - } - - - /** - * Squeeze the Keccak sponge - * - * @param suffix The suffix concatenate to the message - * @return The hash sum - */ - public static byte[] digest(String suffix) - { - return digest(null, 0, 0, suffix, true); - } - - - /** - * Squeeze the Keccak sponge - * - * @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} - */ - public static byte[] digest(boolean withReturn) - { - return digest(null, 0, 0, SHA3.SHA3_SUFFIX, withReturn); - } - - - /** - * Squeeze the Keccak sponge - * - * @param suffix The suffix concatenate to the message - * @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} - */ - public static byte[] digest(String suffix, boolean withReturn) - { - return digest(null, 0, 0, suffix, withReturn); - } - - - /** - * Absorb the last part of the message and squeeze the Keccak sponge - * - * @param msg The rest of the message - * @return The hash sum - */ - public static byte[] digest(byte[] msg) - { - return digest(msg, msg == null ? 0 : msg.length, 0, SHA3.SHA3_SUFFIX, true); - } - - - /** - * Absorb the last part of the message and squeeze the Keccak sponge - * - * @param msg The rest of the message - * @param suffix The suffix concatenate to the message - * @return The hash sum - */ - public static byte[] digest(byte[] msg, String suffix) - { - return digest(msg, msg == null ? 0 : msg.length, 0, suffix, true); - } - - - /** - * Absorb the last part of the message and squeeze the Keccak sponge - * - * @param msg The rest of the message - * @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} - */ - public static byte[] digest(byte[] msg, boolean withReturn) - { - return digest(msg, msg == null ? 0 : msg.length, 0, SHA3.SHA3_SUFFIX, withReturn); - } - - - /** - * Absorb the last part of the message and squeeze the Keccak sponge - * - * @param msg The rest of the message - * @param suffix The suffix concatenate to the message - * @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} - */ - public static byte[] digest(byte[] msg, String suffix, boolean withReturn) - { - return digest(msg, msg == null ? 0 : msg.length, 0, suffix, withReturn); - } - - - /** - * Absorb the last part of the message and squeeze the Keccak sponge - * - * @param msg The rest of the message - * @param msglen The length of the partial message in while bytes - * @return The hash sum - */ - public static byte[] digest(byte[] msg, int msglen) - { - return digest(msg, msg == null ? 0 : msg.length, 0, SHA3.SHA3_SUFFIX, true); - } - - - /** - * Absorb the last part of the message and squeeze the Keccak sponge - * - * @param msg The rest of the message - * @param msglen The length of the partial message in while bytes - * @param suffix The suffix concatenate to the message - * @return The hash sum - */ - public static byte[] digest(byte[] msg, int msglen, String suffix) - { - return digest(msg, msg == null ? 0 : msg.length, 0, suffix, true); - } - - - /** - * Absorb the last part of the message and squeeze the Keccak sponge - * - * @param msg The rest of the message - * @param msglen The length of the partial message in while bytes - * @param bits The number of bits at the end of the message not covered by <tt>msglen</tt> - * @return The hash sum - */ - public static byte[] digest(byte[] msg, int msglen, int bits) - { - return digest(msg, msg == null ? 0 : msg.length, bits, SHA3.SHA3_SUFFIX, true); - } - - - /** - * Absorb the last part of the message and squeeze the Keccak sponge - * - * @param msg The rest of the message - * @param msglen The length of the partial message in while bytes - * @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 - * @return The hash sum - */ - public static byte[] digest(byte[] msg, int msglen, int bits, String suffix) - { - return digest(msg, msg == null ? 0 : msg.length, bits, suffix, true); - } - - - /** - * Absorb the last part of the message and squeeze the Keccak sponge - * - * @param msg The rest of the message - * @param msglen The length of the partial message in while bytes - * @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} - */ - public static byte[] digest(byte[] msg, int msglen, boolean withReturn) - { - return digest(msg, msg == null ? 0 : msg.length, 0, SHA3.SHA3_SUFFIX, withReturn); - } - - - /** - * Absorb the last part of the message and squeeze the Keccak sponge - * - * @param msg The rest of the message - * @param msglen The length of the partial message in while bytes - * @param suffix The suffix concatenate to the message - * @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} - */ - public static byte[] digest(byte[] msg, int msglen, String suffix, boolean withReturn) - { - return digest(msg, msg == null ? 0 : msg.length, 0, suffix, withReturn); - } - - - /** - * Absorb the last part of the message and squeeze the Keccak sponge - * - * @param msg The rest of the message - * @param msglen The length of the partial message in while bytes - * @param bits The number of bits at the end of the message not covered by <tt>msglen</tt> - * @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} - */ - public static byte[] digest(byte[] msg, int msglen, int bits, boolean withReturn) - { - return digest(msg, msg == null ? 0 : msg.length, 0, SHA3.SHA3_SUFFIX, withReturn); - } - - - /** - * Absorb the last part of the message and squeeze the Keccak sponge - * - * @param msg The rest of the message - * @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 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} - */ - public static byte[] digest(byte[] msg, int msglen, int bits, String suffix, boolean withReturn) - { - int[] suffix_ = new int[suffix.length()]; - for (int i = 0, n = suffix_.length; i < n; i++) - suffix_[i] = suffix.charAt(i) == '1' ? 1 : 0; - - return digest(msg, msglen, bits, suffix_, withReturn); - } - - - /** - * Absorb the last part of the message and squeeze the Keccak sponge - * - * @param msg The rest of the message - * @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 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} - */ - public static native byte[] digest(byte[] msg, int msglen, int bits, int[] suffix, boolean withReturn); - - - /** - * Force a round of Keccak-f - */ - public static void simpleSqueeze() - { - simpleSqueeze(1); - } - - - /** - * Force some rounds of Keccak-f - * - * @param times The number of rounds - */ - public static native void simpleSqueeze(int times); - - - /** - * Squeeze as much as is needed to get a digest - */ - public static void fastSqueeze() - { - fastSqueeze(1); - } - - - /** - * Squeeze as much as is needed to get a digest a number of times - * - * @param times The number of digests - */ - public static native void fastSqueeze(int times); - - - /** - * Squeeze out another digest - * - * @return The hash sum - */ - public static native byte[] squeeze(); - -} - |