moved Ed25519 away from signature

This commit is contained in:
orignal 2018-06-04 16:06:38 -04:00
parent b5291b5151
commit cd0f75106a
5 changed files with 549 additions and 493 deletions

View file

@ -9,6 +9,7 @@
#include <openssl/rsa.h>
#include <openssl/evp.h>
#include "Crypto.h"
#include "Ed25519.h"
#include "Gost.h"
namespace i2p
@ -361,62 +362,6 @@ namespace crypto
typedef RSASigner<SHA512Hash, NID_sha512, RSASHA5124096_KEY_LENGTH> RSASHA5124096Signer;
// EdDSA
struct EDDSAPoint
{
BIGNUM * x {nullptr};
BIGNUM * y {nullptr};
BIGNUM * z {nullptr};
BIGNUM * t {nullptr}; // projective coordinates
EDDSAPoint () {}
EDDSAPoint (const EDDSAPoint& other) { *this = other; }
EDDSAPoint (EDDSAPoint&& other) { *this = std::move (other); }
EDDSAPoint (BIGNUM * x1, BIGNUM * y1, BIGNUM * z1 = nullptr, BIGNUM * t1 = nullptr)
: x(x1)
, y(y1)
, z(z1)
, t(t1)
{}
~EDDSAPoint () { BN_free (x); BN_free (y); BN_free(z); BN_free(t); }
EDDSAPoint& operator=(EDDSAPoint&& other)
{
if (this != &other)
{
BN_free (x); x = other.x; other.x = nullptr;
BN_free (y); y = other.y; other.y = nullptr;
BN_free (z); z = other.z; other.z = nullptr;
BN_free (t); t = other.t; other.t = nullptr;
}
return *this;
}
EDDSAPoint& operator=(const EDDSAPoint& other)
{
if (this != &other)
{
BN_free (x); x = other.x ? BN_dup (other.x) : nullptr;
BN_free (y); y = other.y ? BN_dup (other.y) : nullptr;
BN_free (z); z = other.z ? BN_dup (other.z) : nullptr;
BN_free (t); t = other.t ? BN_dup (other.t) : nullptr;
}
return *this;
}
EDDSAPoint operator-() const
{
BIGNUM * x1 = NULL, * y1 = NULL, * z1 = NULL, * t1 = NULL;
if (x) { x1 = BN_dup (x); BN_set_negative (x1, !BN_is_negative (x)); };
if (y) y1 = BN_dup (y);
if (z) z1 = BN_dup (z);
if (t) { t1 = BN_dup (t); BN_set_negative (t1, !BN_is_negative (t)); };
return EDDSAPoint {x1, y1, z1, t1};
}
};
const size_t EDDSA25519_PUBLIC_KEY_LENGTH = 32;
const size_t EDDSA25519_SIGNATURE_LENGTH = 64;
const size_t EDDSA25519_PRIVATE_KEY_LENGTH = 32;
class EDDSA25519Verifier: public Verifier
{
public: