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