65 lines
2.0 KiB
C++
65 lines
2.0 KiB
C++
#include "utils.h"
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#include "TinySHA1.hpp"
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#include "logger.h"
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#include <fs/FSUtils.h>
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#include <stddef.h>
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#include <string.h>
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#include <whb/log.h>
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// https://gist.github.com/ccbrown/9722406
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void Utils::dumpHex(const void *data, size_t size) {
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char ascii[17];
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size_t i, j;
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ascii[16] = '\0';
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DEBUG_FUNCTION_LINE("0x%08X (0x0000): ", data);
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for (i = 0; i < size; ++i) {
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WHBLogWritef("%02X ", ((unsigned char *) data)[i]);
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if (((unsigned char *) data)[i] >= ' ' && ((unsigned char *) data)[i] <= '~') {
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ascii[i % 16] = ((unsigned char *) data)[i];
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} else {
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ascii[i % 16] = '.';
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}
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if ((i + 1) % 8 == 0 || i + 1 == size) {
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WHBLogWritef(" ");
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if ((i + 1) % 16 == 0) {
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WHBLogPrintf("| %s ", ascii);
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if (i + 1 < size) {
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DEBUG_FUNCTION_LINE("0x%08X (0x%04X); ", ((uint32_t) data) + i + 1, i + 1);
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}
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} else if (i + 1 == size) {
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ascii[(i + 1) % 16] = '\0';
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if ((i + 1) % 16 <= 8) {
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WHBLogWritef(" ");
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}
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for (j = (i + 1) % 16; j < 16; ++j) {
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WHBLogWritef(" ");
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}
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WHBLogPrintf("| %s ", ascii);
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}
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}
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}
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}
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std::string Utils::calculateSHA1(const char *buffer, size_t size) {
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sha1::SHA1 s;
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s.processBytes(buffer, size);
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uint32_t digest[5];
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s.getDigest(digest);
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char tmp[48];
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snprintf(tmp, 45, "%08X%08X%08X%08X%08X", digest[0], digest[1], digest[2], digest[3], digest[4]);
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return tmp;
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}
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std::string Utils::hashFile(const std::string &path) {
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uint8_t *data = NULL;
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uint32_t size = 0;
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FSUtils::LoadFileToMem(path.c_str(), &data, &size);
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if (data == NULL) {
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return calculateSHA1(NULL, 0);
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}
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std::string result = calculateSHA1(reinterpret_cast<const char *>(data), size);
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free(data);
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return result;
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}
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