diff options
Diffstat (limited to 'pure-java/sha3sum.java')
| -rw-r--r-- | pure-java/sha3sum.java | 118 |
1 files changed, 59 insertions, 59 deletions
diff --git a/pure-java/sha3sum.java b/pure-java/sha3sum.java index e24657e..3b4cec9 100644 --- a/pure-java/sha3sum.java +++ b/pure-java/sha3sum.java @@ -56,6 +56,10 @@ public class sha3sum cmd = cmd.intern(); Integer O = null; int _o = 512; /* --outputsize */ + if (cmd == "sha3-224sum") _o = 224; + else if (cmd == "sha3-256sum") _o = 256; + else if (cmd == "sha3-384sum") _o = 384; + else if (cmd == "sha3-512sum") _o = 512; Integer S = null; int _s = 1600; /* --statesize */ Integer R = null; int _r = _s - (_o << 1); /* --bitrate */ Integer C = null; int _c = _s - _r; /* --capacity */ @@ -64,10 +68,6 @@ public class sha3sum Integer J = null; int _j = 1; /* --squeezes */ int o = 0, s = 0, r = 0, c = 0, w = 0, i = 0, j = 0; - 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; boolean binary = false, hex = false; int multi = 0; @@ -244,7 +244,7 @@ public class sha3sum System.exit(6); } else if (S == null) - s = new Integer(w * 25); + S = new Integer(w * 25); } if (C != null) @@ -312,6 +312,7 @@ public class sha3sum System.err.println("State size: " + s); System.err.println("Output size: " + o); System.err.println("Iterations: " + i); + System.err.println("Squeezes: " + j); if (fptr == 0) @@ -341,96 +342,95 @@ public class sha3sum 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 (;;) + byte[] bs; + if ((filename != null) || (stdin == null)) { - int read = file.read(chunk, 0, blksize); - if (read <= 0) - break; - if (hex == false) - SHA3.update(chunk, read); - else + 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 n = read << 1; - for (int _ = 0; _ < n; _++) + int read = file.read(chunk, 0, blksize); + if (read <= 0) + break; + if (hex == false) + SHA3.update(chunk, read); + else { - byte a = chunk[_ << 1], b = chunk[(_ << 1) | 1]; - chunk[_] = (byte)((((a & 15) + (a <= '9' ? 0 : 9)) << 4) | ((b & 15) + (b <= '9' ? 0 : 9))); + int n = read >> 1; + for (int _ = 0; _ < n; _++) + { byte a = chunk[_ << 1], b = chunk[(_ << 1) | 1]; + chunk[_] = (byte)((((a & 15) + (a <= '9' ? 0 : 9)) << 4) | ((b & 15) + (b <= '9' ? 0 : 9))); + } + SHA3.update(chunk, n); } - SHA3.update(chunk, n); } + bs = SHA3.digest(j == 1); + if (j > 2) + SHA3.fastSqueeze(j - 2); + if (j > 1) + bs = SHA3.squeeze(); + if (filename == null) + stdin = bs; } - byte[] bs = SHA3.digest(j > 1); - if (j > 2) - SHA3.fastSqueeze(j - 2); - if (j > 1) - bs = SHA3.squeeze(); + else + bs = stdin; if (multi == 0) { for (int _ = 1; _ < i; _++) { SHA3.initialise(r, c, o); - bs = SHA3.digest(bs, j > 1); + bs = SHA3.digest(bs, j == 1); if (j > 2) SHA3.fastSqueeze(j - 2); if (j > 1) bs = SHA3.squeeze(); } if (binary) - { if (filename == null) - stdin = bs; System.out.write(bs); - } 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); } } - else if (binary) - { - System.out.write(bs); - for (int _ = 1; _ < i; _++) - { - SHA3.initialise(r, c, o); - bs = SHA3.digest(bs, j > 1); - if (j > 2) - SHA3.fastSqueeze(j - 2); - if (j > 1) - bs = SHA3.squeeze(); - System.out.write(bs); - } - } else if (multi == 1) { - byte[] out = new byte[(bs.length << 1) + 1]; - for (int b = 0, bn = bs.length; b < bn; b++) - { out[ b << 1 ] = (byte)("0123456789ABCDEF".charAt((bs[b] >> 4) & 15)); - out[(b << 1) | 1] = (byte)("0123456789ABCDEF".charAt(bs[b] & 15)); + byte[] out = null; + if (binary) + System.out.write(bs); + else + { + out = new byte[(bs.length << 1) + 1]; + for (int b = 0, bn = bs.length; b < bn; b++) + { out[ b << 1 ] = (byte)("0123456789ABCDEF".charAt((bs[b] >> 4) & 15)); + out[(b << 1) | 1] = (byte)("0123456789ABCDEF".charAt(bs[b] & 15)); + } + out[out.length - 1] = '\n'; + System.out.write(out); } - out[out.length - 1] = '\n'; - System.out.write(out); for (int _ = 1; _ < i; _++) { SHA3.initialise(r, c, o); - bs = SHA3.digest(bs, j > 1); + bs = SHA3.digest(bs, j == 1); if (j > 2) SHA3.fastSqueeze(j - 2); if (j > 1) bs = SHA3.squeeze(); - for (int b = 0, bn = bs.length; b < bn; b++) - { out[ b << 1 ] = (byte)("0123456789ABCDEF".charAt((bs[b] >> 4) & 15)); - out[(b << 1) | 1] = (byte)("0123456789ABCDEF".charAt(bs[b] & 15)); + if (binary) + System.out.write(bs); + else + { + for (int b = 0, bn = bs.length; b < bn; b++) + { out[ b << 1 ] = (byte)("0123456789ABCDEF".charAt((bs[b] >> 4) & 15)); + out[(b << 1) | 1] = (byte)("0123456789ABCDEF".charAt(bs[b] & 15)); + } + System.out.write(out); } - System.out.write(out); } } else @@ -442,7 +442,7 @@ public class sha3sum { if (_ > 0) { SHA3.initialise(r, c, o); - bs = SHA3.digest(bs, j > 1); + bs = SHA3.digest(bs, j == 1); if (j > 2) SHA3.fastSqueeze(j - 2); if (j > 1) @@ -463,7 +463,7 @@ public class sha3sum System.out.println(now); } if (loop != null) - System.out.println("\033[01;31mLoop found\033[00m"); + System.err.println("\033[01;31mLoop found\033[00m"); } System.out.flush(); } |