51 lines
1.0 KiB
C++
51 lines
1.0 KiB
C++
#include "sender.h"
|
|
|
|
#include <stdexcept>
|
|
|
|
#include "json.hpp"
|
|
|
|
#include "expiring_signature.h"
|
|
|
|
namespace BareMinimumCrypto {
|
|
using nlohmann::json;
|
|
|
|
optional <Sender> Sender::create (SigningKey k, ExpiringSignature c)
|
|
{
|
|
Sender s;
|
|
s.sender_key = k;
|
|
s.cert = c;
|
|
|
|
return s;
|
|
}
|
|
|
|
vector <uint8_t> Sender::try_sign (const vector <uint8_t> & data, Instant now) const {
|
|
const auto signed_data = std::move (*sender_key.sign_data (data, now));
|
|
|
|
const json j {
|
|
{"cert", {
|
|
{"sig", json::binary (cert.sig)},
|
|
{"cert", json::binary (cert.cert)},
|
|
}},
|
|
{"data", {
|
|
{"sig", json::binary (signed_data.sig)},
|
|
{"cert", json::binary (signed_data.cert)},
|
|
}},
|
|
};
|
|
|
|
return json::to_msgpack (j);
|
|
}
|
|
|
|
optional <vector <uint8_t>> Sender::sign (const vector <uint8_t> & data, Instant now) const {
|
|
try {
|
|
return try_sign (data, now);
|
|
}
|
|
catch (exception &) {
|
|
return nullopt;
|
|
}
|
|
}
|
|
|
|
optional <vector <uint8_t>> Sender::sign (const vector <uint8_t> & data) const {
|
|
return sign (data, Instant::now ());
|
|
}
|
|
}
|