lix/src/libstore/crypto.hh

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#pragma once
///@file
#include "types.hh"
#include <map>
namespace nix {
struct Key
{
std::string name;
std::string key;
/**
* Construct Key from a string in the format
* <name>:<key-in-base64>.
*/
Key(std::string_view s);
std::string to_string() const;
protected:
Key(std::string_view name, std::string && key)
: name(name), key(std::move(key)) { }
};
struct PublicKey;
struct SecretKey : Key
{
SecretKey(std::string_view s);
/**
* Return a detached signature of the given string.
*/
std::string signDetached(std::string_view s) const;
PublicKey toPublicKey() const;
static SecretKey generate(std::string_view name);
private:
SecretKey(std::string_view name, std::string && key)
: Key(name, std::move(key)) { }
};
struct PublicKey : Key
{
PublicKey(std::string_view data);
private:
PublicKey(std::string_view name, std::string && key)
: Key(name, std::move(key)) { }
friend struct SecretKey;
};
typedef std::map<std::string, PublicKey> PublicKeys;
/**
* @return true iff sig is a correct signature over data using one
* of the given public keys.
*/
bool verifyDetached(const std::string & data, const std::string & sig,
const PublicKeys & publicKeys);
PublicKeys getDefaultPublicKeys();
}