[f626f58] | 1 | /* |
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| 2 | * Chrome Token Signing Native Host |
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| 3 | * |
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| 4 | * This library is free software; you can redistribute it and/or |
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| 5 | * modify it under the terms of the GNU Lesser General Public |
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| 6 | * License as published by the Free Software Foundation; either |
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| 7 | * version 2.1 of the License, or (at your option) any later version. |
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| 8 | * |
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| 9 | * This library is distributed in the hope that it will be useful, |
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| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | * Lesser General Public License for more details. |
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| 13 | * |
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| 14 | * You should have received a copy of the GNU Lesser General Public |
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| 15 | * License along with this library; if not, write to the Free Software |
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| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 17 | */ |
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| 18 | |
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| 19 | #include "binaryutils.h" |
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| 20 | #include <stdio.h> |
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| 21 | #include <stdexcept> |
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| 22 | |
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| 23 | using namespace std; |
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| 24 | |
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| 25 | vector<unsigned char> BinaryUtils::hex2bin(const string &hex) { |
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| 26 | if (hex.size() % 2 == 1) |
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| 27 | throw runtime_error("Hex is incorrect"); |
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| 28 | |
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| 29 | vector<unsigned char> bin(hex.size() / 2, 0); |
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| 30 | unsigned char *c = &bin[0]; |
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| 31 | const char *h = hex.c_str(); |
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| 32 | while (*h) { |
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| 33 | int x; |
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| 34 | sscanf(h, "%2X", &x); |
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| 35 | *c = x; |
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| 36 | c++; |
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| 37 | h += 2; |
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| 38 | } |
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| 39 | return bin; |
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| 40 | } |
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| 41 | |
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| 42 | string BinaryUtils::bin2hex(const vector<unsigned char> &bin) { |
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| 43 | string hex(bin.size() * 2, 0); |
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| 44 | for (size_t j = 0; j < bin.size(); ++j) |
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| 45 | sprintf(&hex[j * 2], "%02X", (unsigned char) bin.at(j)); |
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| 46 | return hex; |
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| 47 | } |
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