| 1 | /* |
| 2 | The Keccak sponge function, designed by Guido Bertoni, Joan Daemen, |
| 3 | Michaƫl Peeters and Gilles Van Assche. For more information, feedback or |
| 4 | questions, please refer to our website: http://keccak.noekeon.org/ |
| 5 | |
| 6 | Implementation by the designers, |
| 7 | hereby denoted as "the implementer". |
| 8 | |
| 9 | To the extent possible under law, the implementer has waived all copyright |
| 10 | and related or neighboring rights to the source code in this file. |
| 11 | http://creativecommons.org/publicdomain/zero/1.0/ |
| 12 | */ |
| 13 | |
| 14 | #include <stdio.h> |
| 15 | #include "displayIntermediateValues.h" |
| 16 | #include "KeccakNISTInterface.h" |
| 17 | |
| 18 | FILE *intermediateValueFile = 0; |
| 19 | int displayLevel = 0; |
| 20 | |
| 21 | void displaySetIntermediateValueFile(FILE *f) |
| 22 | { |
| 23 | intermediateValueFile = f; |
| 24 | } |
| 25 | |
| 26 | void displaySetLevel(int level) |
| 27 | { |
| 28 | displayLevel = level; |
| 29 | } |
| 30 | |
| 31 | void displayBytes(int level, const char *text, const unsigned char *bytes, unsigned int size) |
| 32 | { |
| 33 | unsigned int i; |
| 34 | |
| 35 | if ((intermediateValueFile) && (level <= displayLevel)) { |
| 36 | fprintf(intermediateValueFile, "%s:\n", text); |
| 37 | for(i=0; i<size; i++) |
| 38 | fprintf(intermediateValueFile, "%02X ", bytes[i]); |
| 39 | fprintf(intermediateValueFile, "\n"); |
| 40 | fprintf(intermediateValueFile, "\n"); |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | void displayBits(int level, const char *text, const unsigned char *data, unsigned int size, int MSBfirst) |
| 45 | { |
| 46 | unsigned int i, iByte, iBit; |
| 47 | |
| 48 | if ((intermediateValueFile) && (level <= displayLevel)) { |
| 49 | fprintf(intermediateValueFile, "%s:\n", text); |
| 50 | for(i=0; i<size; i++) { |
| 51 | iByte = i/8; |
| 52 | iBit = i%8; |
| 53 | if (MSBfirst) |
| 54 | fprintf(intermediateValueFile, "%d ", ((data[iByte] << iBit) & 0x80) != 0); |
| 55 | else |
| 56 | fprintf(intermediateValueFile, "%d ", ((data[iByte] >> iBit) & 0x01) != 0); |
| 57 | } |
| 58 | fprintf(intermediateValueFile, "\n"); |
| 59 | fprintf(intermediateValueFile, "\n"); |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | void displayStateAsBytes(int level, const char *text, const unsigned char *state) |
| 64 | { |
| 65 | displayBytes(level, text, state, KeccakPermutationSizeInBytes); |
| 66 | } |
| 67 | |
| 68 | void displayStateAs32bitWords(int level, const char *text, const unsigned int *state) |
| 69 | { |
| 70 | unsigned int i; |
| 71 | |
| 72 | if ((intermediateValueFile) && (level <= displayLevel)) { |
| 73 | fprintf(intermediateValueFile, "%s:\n", text); |
| 74 | for(i=0; i<KeccakPermutationSize/64; i++) { |
| 75 | fprintf(intermediateValueFile, "%08X:%08X", (unsigned int)state[2*i+0], (unsigned int)state[2*i+1]); |
| 76 | if ((i%5) == 4) |
| 77 | fprintf(intermediateValueFile, "\n"); |
| 78 | else |
| 79 | fprintf(intermediateValueFile, " "); |
| 80 | } |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | void displayStateAs64bitWords(int level, const char *text, const unsigned long long int *state) |
| 85 | { |
| 86 | unsigned int i; |
| 87 | |
| 88 | if ((intermediateValueFile) && (level <= displayLevel)) { |
| 89 | fprintf(intermediateValueFile, "%s:\n", text); |
| 90 | for(i=0; i<KeccakPermutationSize/64; i++) { |
| 91 | fprintf(intermediateValueFile, "%08X", (unsigned int)(state[i] >> 32)); |
| 92 | fprintf(intermediateValueFile, "%08X", (unsigned int)(state[i] & 0xFFFFFFFFULL)); |
| 93 | if ((i%5) == 4) |
| 94 | fprintf(intermediateValueFile, "\n"); |
| 95 | else |
| 96 | fprintf(intermediateValueFile, " "); |
| 97 | } |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | void displayRoundNumber(int level, unsigned int i) |
| 102 | { |
| 103 | if ((intermediateValueFile) && (level <= displayLevel)) { |
| 104 | fprintf(intermediateValueFile, "\n"); |
| 105 | fprintf(intermediateValueFile, "--- Round %d ---\n", i); |
| 106 | fprintf(intermediateValueFile, "\n"); |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | void displayText(int level, const char *text) |
| 111 | { |
| 112 | if ((intermediateValueFile) && (level <= displayLevel)) { |
| 113 | fprintf(intermediateValueFile, text); |
| 114 | fprintf(intermediateValueFile, "\n"); |
| 115 | fprintf(intermediateValueFile, "\n"); |
| 116 | } |
| 117 | } |