51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
#pragma once
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#include <optional>
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#include <stdint.h>
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#include <string>
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#include <vector>
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#include "expiring_signature.h"
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#include "time_helpers.h"
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namespace BareMinimumCrypto {
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using namespace std;
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struct SigningKeyFile {
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vector <uint8_t> salt;
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Instant time_created;
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vector <uint8_t> pubkey;
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vector <uint8_t> to_msgpack () const;
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static optional <SigningKeyFile> try_from_msgpack (const vector <uint8_t> & msg);
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};
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struct SigningKey {
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vector <uint8_t> pk;
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vector <uint8_t> sk;
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SigningKey ();
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// This doesn't fsync, so it's possible to lose the key due to a power outage
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// or filesystem nonsense right after this function returns.
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// It also doesn't do the rename trick. The caller may do that.
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static optional <SigningKey> generate_to_file (const string & file_path, const string & passphrase);
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static optional <SigningKey> load_from_file (const string & file_path, const string & passphrase);
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static optional <SigningKeyFile> check_file (const string & file_path);
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vector <uint8_t> pubkey () const;
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vector <uint8_t> pub_to_msgpack () const;
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optional <ExpiringSignature> sign (
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const vector <uint8_t> & payload,
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TimeRange tr
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) const;
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optional <ExpiringSignature> sign_key (const SigningKey & k, Instant now) const;
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optional <ExpiringSignature> sign_data (const vector <uint8_t> & v, Instant now) const;
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};
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}
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