aboutsummaryrefslogtreecommitdiffstats
path: root/java-c-jni
diff options
context:
space:
mode:
Diffstat (limited to 'java-c-jni')
-rw-r--r--java-c-jni/SHA3.java97
l---------[-rw-r--r--]java-c-jni/sha3sum.java273
2 files changed, 92 insertions, 278 deletions
diff --git a/java-c-jni/SHA3.java b/java-c-jni/SHA3.java
index afcb942..05da74c 100644
--- a/java-c-jni/SHA3.java
+++ b/java-c-jni/SHA3.java
@@ -86,31 +86,116 @@ public class SHA3
/**
* Squeeze the Keccak sponge
+ *
+ * @return The hash sum
*/
public static byte[] digest()
{
- return digest(null);
+ return digest(null, 0, true);
+ }
+
+
+ /**
+ * Squeeze the Keccak sponge
+ *
+ * @paran 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, withReturn);
}
/**
* Absorb the last part of the message and squeeze the Keccak sponge
*
- * @param msg The rest of the message
+ * @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);
+ return digest(msg, msg == null ? 0 : msg.length, 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
+ * @param msg The rest of the message
+ * @paran 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, 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
+ * @return The hash sum
+ */
+ public static byte[] digest(byte[] msg, int msglen)
+ {
+ return digest(msg, msg == null ? 0 : msg.length, 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
+ * @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, 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[] digest(byte[] msg, int msglen);
+ public static native byte[] squeeze();
}
diff --git a/java-c-jni/sha3sum.java b/java-c-jni/sha3sum.java
index 080c4b6..27a2d3e 100644..120000
--- a/java-c-jni/sha3sum.java
+++ b/java-c-jni/sha3sum.java
@@ -1,272 +1 @@
-/**
- * sha3sum – SHA-3 (Keccak) checksum calculator
- *
- * Copyright © 2013 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 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-import java.io.*;
-import java.util.*;
-
-
-/**
- * SHA-3/Keccak checksum calculator
- *
- * @author Mattias Andrée <a href="mailto:maandree@member.fsf.org">maandree@member.fsf.org</a>
- */
-public class sha3sum
-{
- /**
- * This is the main entry point of the program
- *
- * @param args Command line arguments
- * @throws IOException On I/O error (such as broken pipes)
- */
- public static void main(String[] args) throws IOException
- {
- run("sha3sum", args);
- }
-
-
- /**
- * Run the program
- *
- * @param cmd The command
- * @param argv Command line arguments
- * @throws IOException On I/O error (such as broken pipes)
- */
- public static void run(String cmd, String[] argv) throws IOException
- {
- if (cmd.indexOf('/') >= 0)
- cmd = cmd.substring(cmd.lastIndexOf('/') + 1);
- if (cmd.endsWith(".jar"))
- cmd = cmd.substring(0, cmd.length() - 4);
- cmd = cmd.intern();
-
- int _o, o = _o = 512; /* --outputsize */
- if (cmd == "sha3-224sum") o = _o = 224;
- else if (cmd == "sha3-256sum") o = _o = 256;
- else if (cmd == "sha3-384sum") o = _o = 384;
- else if (cmd == "sha3-512sum") o = _o = 512;
- int _s, s = _s = 1600; /* --statesize */
- int _r, r = _r = s - (o << 1); /* --bitrate */
- int _c, c = _c = s - r; /* --capacity */
- int _w, w = _w = s / 25; /* --wordsize */
- int _i, i = _i = 1; /* --iterations */
- boolean binary = false;
-
- String[] files = new String[argv.length + 1];
- int fptr = 0;
- boolean dashed = false;
- String[] linger = null;
-
- String[] args = new String[argv.length + 1];
- System.arraycopy(argv, 0, args, 0, argv.length);
- for (int a = 0, an = args.length; a < an; a++)
- { String arg = args[a];
- arg = arg == null ? null : arg.intern();
- if (linger != null)
- {
- linger[0] = linger[0].intern();
- if ((linger[0] == "-h") || (linger[0] == "--help"))
- {
- System.out.println("");
- System.out.println("SHA-3/Keccak checksum calculator");
- System.out.println("");
- System.out.println("USAGE: sha3sum [option...] < file");
- System.out.println(" sha3sum [option...] file...");
- System.out.println("");
- System.out.println("");
- System.out.println("OPTIONS:");
- System.out.println(" -r BITRATE");
- System.out.println(" --bitrate The bitrate to use for SHA-3. (default: " + _r + ")");
- System.out.println(" ");
- System.out.println(" -c CAPACITY");
- System.out.println(" --capacity The capacity to use for SHA-3. (default: " + _c + ")");
- System.out.println(" ");
- System.out.println(" -w WORDSIZE");
- System.out.println(" --wordsize The word size to use for SHA-3. (default: " + _w + ")");
- System.out.println(" ");
- System.out.println(" -o OUTPUTSIZE");
- System.out.println(" --outputsize The output size to use for SHA-3. (default: " + _o + ")");
- System.out.println(" ");
- System.out.println(" -s STATESIZE");
- System.out.println(" --statesize The state size to use for SHA-3. (default: " + _s + ")");
- System.out.println(" ");
- System.out.println(" -i ITERATIONS");
- System.out.println(" --iterations The number of hash iterations to run. (default: " + _i + ")");
- System.out.println(" ");
- System.out.println(" -b");
- System.out.println(" --binary Print the checksum in binary, rather than hexadecimal.");
- System.out.println("");
- System.out.println("");
- System.out.println("COPYRIGHT:");
- System.out.println("");
- System.out.println("Copyright © 2013 Mattias Andrée (maandree@member.fsf.org)");
- System.out.println("");
- System.out.println("This program is free software: you can redistribute it and/or modify");
- System.out.println("it under the terms of the GNU General Public License as published by");
- System.out.println("the Free Software Foundation, either version 3 of the License, or");
- System.out.println("(at your option) any later version.");
- System.out.println("");
- System.out.println("This program is distributed in the hope that it will be useful,");
- System.out.println("but WITHOUT ANY WARRANTY; without even the implied warranty of");
- System.out.println("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the");
- System.out.println("GNU General Public License for more details.");
- System.out.println("");
- System.out.println("You should have received a copy of the GNU General Public License");
- System.out.println("along with this program. If not, see <http://www.gnu.org/licenses/>.");
- System.out.println("");
- System.exit(2);
- }
- else
- {
- if (linger[1] == null)
- {
- linger[1] = arg;
- arg = null;
- }
- if ((linger[0] == "-r") || (linger[0] == "--bitrate"))
- o = (s - (r = Integer.parseInt(linger[1]))) >> 1;
- else if ((linger[0] == "-c") || (linger[0] == "--capacity"))
- r = s - (c = Integer.parseInt(linger[1]));
- else if ((linger[0] == "-w") || (linger[0] == "--wordsize"))
- s = (w = Integer.parseInt(linger[1])) * 25;
- else if ((linger[0] == "-o") || (linger[0] == "--outputsize"))
- r = s - ((o = Integer.parseInt(linger[1])) << 1);
- else if ((linger[0] == "-s") || (linger[0] == "--statesize"))
- r = (s = Integer.parseInt(linger[1])) - (o << 1);
- else if ((linger[0] == "-i") || (linger[0] == "--iterations"))
- i = Integer.parseInt(linger[1]);
- else
- {
- System.err.println(cmd + ": unrecognised option: " + linger[0]);
- System.exit(1);
- }
- }
- linger = null;
- if (arg == null)
- continue;
- }
- if (arg == null)
- continue;
- if (dashed)
- files[fptr++] = arg == "-" ? null : arg;
- else if (arg == "--")
- dashed = true;
- else if (arg == "-")
- files[fptr++] = null;
- else if (arg.startsWith("--"))
- if (arg.indexOf('=') >= 0)
- linger = new String[] { arg.substring(0, arg.indexOf('=')), arg.substring(arg.indexOf('=') + 1) };
- else
- if (arg == "--binary")
- binary = true;
- else
- linger = new String[] { arg, null };
- else if (arg.startsWith("-"))
- {
- arg = arg.substring(1);
- if (arg.charAt(0) == 'b')
- {
- binary = true;
- arg = arg.substring(1);
- }
- else if (arg.length() == 1)
- linger = new String[] { "-" + arg, null };
- else
- linger = new String[] { "-" + arg.charAt(0), arg.substring(1) };
- }
- else
- files[fptr++] = arg;
- }
-
- if (fptr == 0)
- files[fptr++] = null;
- if (i < 1)
- {
- System.err.println(cmd + ": sorry, I will only do at least one iteration!");
- System.exit(3);
- }
-
- byte[] stdin = null;
- boolean fail = false;
- String filename;
-
- for (int f = 0; f < fptr; f++)
- { if (((filename = files[f]) == null) && (stdin != null))
- { System.out.write(stdin);
- continue;
- }
- String rc = "";
- String fn = filename == null ? "/dev/stdin" : filename;
- InputStream file = null;
- try
- {
- file = new FileInputStream(fn);
- SHA3.initialise(r, c, o);
- int blksize = 4096; /** XXX os.stat(os.path.realpath(fn)).st_size; **/
- byte[] chunk = new byte[blksize];
- for (;;)
- {
- int read = file.read(chunk, 0, blksize);
- if (read <= 0)
- break;
- SHA3.update(chunk, read);
- }
- byte[] bs = SHA3.digest();
- for (int _ = 1; _ < i; _++)
- {
- SHA3.initialise(r, c, o);
- bs = SHA3.digest(bs);
- }
- if (binary)
- { if (filename == null)
- stdin = bs;
- System.out.write(bs);
- System.out.flush();
- }
- else
- { for (int b = 0, bn = bs.length; b < bn; b++)
- { rc += "0123456789ABCDEF".charAt((bs[b] >> 4) & 15);
- rc += "0123456789ABCDEF".charAt(bs[b] & 15);
- }
- rc += " " + (filename == null ? "-" : filename) + "\n";
- if (filename == null)
- stdin = rc.getBytes("UTF-8");
- System.out.print(rc);
- System.out.flush();
- }
- }
- catch (final IOException err)
- { System.err.println(cmd + ": cannot read file: " + filename + ": " + err);
- fail = true;
- }
- finally
- { if (file != null)
- try
- { file.close();
- }
- catch (final Throwable ignore)
- { //ignore
- } } }
-
- System.out.flush();
- if (fail)
- System.exit(5);
- }
-
-}
-
+../pure-java/sha3sum.java \ No newline at end of file
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-11-27 09:57:56 +0000