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Add < operation to private_key to allow usage as an ordered key

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This commit is contained in:
Vikram Rajkumar 2014-10-02 12:55:20 -04:00
parent c4e814d7de
commit 5fa3cb8632
1 changed files with 18 additions and 10 deletions
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28
include/fc/crypto/elliptic.hpp
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@ -6,13 +6,13 @@
#include <fc/array.hpp> #include <fc/array.hpp>
#include <fc/io/raw_fwd.hpp> #include <fc/io/raw_fwd.hpp>
namespace fc { namespace fc {
namespace ecc { namespace ecc {
namespace detail namespace detail
{ {
class public_key_impl; class public_key_impl;
class private_key_impl; class private_key_impl;
} }
typedef fc::array<char,33> public_key_data; typedef fc::array<char,33> public_key_data;
@ -72,7 +72,7 @@ namespace fc {
* @class private_key * @class private_key
* @brief an elliptic curve private key. * @brief an elliptic curve private key.
*/ */
class private_key class private_key
{ {
public: public:
private_key(); private_key();
@ -88,7 +88,7 @@ namespace fc {
/** /**
* This method of generation enables creating a new private key in a deterministic manner relative to * This method of generation enables creating a new private key in a deterministic manner relative to
* an initial seed. A public_key created from the seed can be multiplied by the offset to calculate * an initial seed. A public_key created from the seed can be multiplied by the offset to calculate
* the new public key without having to know the private key. * the new public key without having to know the private key.
*/ */
static private_key generate_from_seed( const fc::sha256& seed, const fc::sha256& offset = fc::sha256() ); static private_key generate_from_seed( const fc::sha256& seed, const fc::sha256& offset = fc::sha256() );
@ -99,7 +99,7 @@ namespace fc {
/** /**
* Given a public key, calculatse a 512 bit shared secret between that * Given a public key, calculatse a 512 bit shared secret between that
* key and this private key. * key and this private key.
*/ */
fc::sha512 get_shared_secret( const public_key& pub )const; fc::sha512 get_shared_secret( const public_key& pub )const;
@ -109,11 +109,19 @@ namespace fc {
public_key get_public_key()const; public_key get_public_key()const;
inline friend bool operator==( const private_key& a, const private_key& b ) inline friend bool operator==( const private_key& a, const private_key& b )
{ {
return a.get_secret() == b.get_secret(); return a.get_secret() == b.get_secret();
} }
inline friend bool operator!=( const private_key& a, const private_key& b )
{
return a.get_secret() != b.get_secret();
}
inline friend bool operator<( const private_key& a, const private_key& b )
{
return a.get_secret() < b.get_secret();
}
private: private:
fc::fwd<detail::private_key_impl,8> my; fc::fwd<detail::private_key_impl,8> my;
}; };
@ -155,7 +163,7 @@ namespace fc {
} // namespace raw } // namespace raw
} // namespace fc } // namespace fc
#include <fc/reflect/reflect.hpp> #include <fc/reflect/reflect.hpp>
FC_REFLECT_TYPENAME( fc::ecc::private_key ) FC_REFLECT_TYPENAME( fc::ecc::private_key )