initial import

2012-10-03 15:05:19 +09:00
commit d9d541dce8
49 changed files with 14027 additions and 0 deletions
@@ -0,0 +1,117 @@
+/*
+The Keccak sponge function, designed by Guido Bertoni, Joan Daemen,
+Michaël Peeters and Gilles Van Assche. For more information, feedback or
+questions, please refer to our website: http://keccak.noekeon.org/
+
+Implementation by the designers,
+hereby denoted as "the implementer".
+
+To the extent possible under law, the implementer has waived all copyright
+and related or neighboring rights to the source code in this file.
+http://creativecommons.org/publicdomain/zero/1.0/
+*/
+
+#include <stdio.h>
+#include "displayIntermediateValues.h"
+#include "KeccakNISTInterface.h"
+
+FILE *intermediateValueFile = 0;
+int displayLevel = 0;
+
+void displaySetIntermediateValueFile(FILE *f)
+{
+    intermediateValueFile = f;
+}
+
+void displaySetLevel(int level)
+{
+    displayLevel = level;
+}
+
+void displayBytes(int level, const char *text, const unsigned char *bytes, unsigned int size)
+{
+    unsigned int i;
+
+    if ((intermediateValueFile) && (level <= displayLevel)) {
+        fprintf(intermediateValueFile, "%s:\n", text);
+        for(i=0; i<size; i++)
+            fprintf(intermediateValueFile, "%02X ", bytes[i]);
+        fprintf(intermediateValueFile, "\n");
+        fprintf(intermediateValueFile, "\n");
+    }
+}
+
+void displayBits(int level, const char *text, const unsigned char *data, unsigned int size, int MSBfirst)
+{
+    unsigned int i, iByte, iBit;
+
+    if ((intermediateValueFile) && (level <= displayLevel)) {
+        fprintf(intermediateValueFile, "%s:\n", text);
+        for(i=0; i<size; i++) {
+            iByte = i/8;
+            iBit = i%8;
+            if (MSBfirst)
+                fprintf(intermediateValueFile, "%d ", ((data[iByte] << iBit) & 0x80) != 0);
+            else
+                fprintf(intermediateValueFile, "%d ", ((data[iByte] >> iBit) & 0x01) != 0);
+        }
+        fprintf(intermediateValueFile, "\n");
+        fprintf(intermediateValueFile, "\n");
+    }
+}
+
+void displayStateAsBytes(int level, const char *text, const unsigned char *state)
+{
+    displayBytes(level, text, state, KeccakPermutationSizeInBytes);
+}
+
+void displayStateAs32bitWords(int level, const char *text, const unsigned int *state)
+{
+    unsigned int i;
+
+    if ((intermediateValueFile) && (level <= displayLevel)) {
+        fprintf(intermediateValueFile, "%s:\n", text);
+        for(i=0; i<KeccakPermutationSize/64; i++) {
+            fprintf(intermediateValueFile, "%08X:%08X", (unsigned int)state[2*i+0], (unsigned int)state[2*i+1]);
+            if ((i%5) == 4)
+                fprintf(intermediateValueFile, "\n");
+            else
+                fprintf(intermediateValueFile, " ");
+        }
+    }
+}
+
+void displayStateAs64bitWords(int level, const char *text, const unsigned long long int *state)
+{
+    unsigned int i;
+
+    if ((intermediateValueFile) && (level <= displayLevel)) {
+        fprintf(intermediateValueFile, "%s:\n", text);
+        for(i=0; i<KeccakPermutationSize/64; i++) {
+            fprintf(intermediateValueFile, "%08X", (unsigned int)(state[i] >> 32));
+            fprintf(intermediateValueFile, "%08X", (unsigned int)(state[i] & 0xFFFFFFFFULL));
+            if ((i%5) == 4)
+                fprintf(intermediateValueFile, "\n");
+            else
+                fprintf(intermediateValueFile, " ");
+        }
+    }
+}
+
+void displayRoundNumber(int level, unsigned int i)
+{
+    if ((intermediateValueFile) && (level <= displayLevel)) {
+        fprintf(intermediateValueFile, "\n");
+        fprintf(intermediateValueFile, "--- Round %d ---\n", i);
+        fprintf(intermediateValueFile, "\n");
+    }
+}
+
+void displayText(int level, const char *text)
+{
+    if ((intermediateValueFile) && (level <= displayLevel)) {
+        fprintf(intermediateValueFile, text);
+        fprintf(intermediateValueFile, "\n");
+        fprintf(intermediateValueFile, "\n");
+    }
+}