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