63 lines
1.3 KiB
C++
63 lines
1.3 KiB
C++
#include "string_helpers.h"
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#include <iostream>
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#include "cpp-base64/base64.h"
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namespace BareMinimumCrypto {
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using namespace std;
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Bytes copy_to_bytes (const string & s) {
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return Bytes ((const uint8_t *)&s [0], (const uint8_t *)&s [s.size ()]);
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}
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string base64_encode (const Bytes & v) {
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return ::base64_encode (string_view ((const char *)v.data (), v.size ()));
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}
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optional <Bytes> base64_decode (const string & s) {
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try {
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const auto decoded = ::base64_decode (s);
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return copy_to_bytes (decoded);
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}
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catch (const exception &) {
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return nullopt;
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}
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}
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int test_base64 () {
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// I assume that char is 8 bits
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// char is C++ nonsense inherited from C nonsense
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if (sizeof (char) != sizeof (uint8_t)) {
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cerr << "char is not the same size as uint8_t" << endl;
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return 1;
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}
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Bytes v {1, 2, 3, 4, 5, 6};
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const auto s = base64_encode (v);
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if (s != "AQIDBAUG") {
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cerr << "Base64 encoding failed" << endl;
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return 1;
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}
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// Trivial decode
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const auto v2 = std::move (*base64_decode (s));
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if (v2 != v) {
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cerr << "Base64 trivial decode failed" << endl;
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return 1;
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}
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// Decode should fail
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const auto v3 = base64_decode ("AQIDBAUG.");
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if (v3 != nullopt) {
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cerr << "Base64 decode should have failed" << endl;
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return 1;
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}
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return 0;
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}
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}
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