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Fix Utils::hexdigest

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This commit is contained in:
Felipe Zimmerle 2016-11-03 22:59:57 -03:00
parent 507ec44cc2
commit 5fa02f17ce
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GPG Key ID: E6DFB08CE8B11277
1 changed files with 10 additions and 5 deletions
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15
src/utils/sha1.cc
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@ -16,6 +16,9 @@
#include "src/utils/sha1.h" #include "src/utils/sha1.h"
#include "src/utils/mbedtls/sha1.h" #include "src/utils/mbedtls/sha1.h"
#include <fstream>
#include <iostream>
#include <cstring>
namespace modsecurity { namespace modsecurity {
namespace Utils { namespace Utils {
@ -23,17 +26,19 @@ namespace Utils {
std::string Sha1::hexdigest(const std::string& input) { std::string Sha1::hexdigest(const std::string& input) {
unsigned char digest[20]; unsigned char digest[20];
static const char* const lut = "0123456789abcdef";
mbedtls_sha1(reinterpret_cast<const unsigned char *>(input.c_str()), mbedtls_sha1(reinterpret_cast<const unsigned char *>(input.c_str()),
input.size(), digest); input.size(), digest);
std::string a;
char buf[41]; for (int i = 0; i < 20; i++) {
for (int i=0; i < 20; i++) { const unsigned char c = digest[i];
snprintf(buf+i*2, sizeof(char)*2, "%02x", digest[i]); a.push_back(lut[c >> 4]);
a.push_back(lut[c & 15]);
} }
buf[40] = 0;
return std::string(buf, 40); return a;
} }