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EdDSA speed improvement

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orignal 2015-11-04 13:48:30 -05:00
parent 4dea2ef1a4
commit 962261fee7
3 changed files with 37 additions and 13 deletions
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12
Signature.h
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@ -377,7 +377,7 @@ namespace crypto
EDDSAPoint (BIGNUM * x1, BIGNUM * y1): x(x1), y(y1) {};
~EDDSAPoint () { BN_free (x); BN_free (y); };
EDDSAPoint& operator= (EDDSAPoint&& other)
EDDSAPoint& operator=(EDDSAPoint&& other)
{
if (x) BN_free (x);
if (y) BN_free (y);
@ -386,10 +386,18 @@ namespace crypto
return *this;
}
bool operator== (const EDDSAPoint& other) const
bool operator==(const EDDSAPoint& other) const
{
return !BN_cmp (x, other.x) && !BN_cmp (y, other.y);
}
EDDSAPoint operator-() const
{
BIGNUM * x1 = NULL, * y1 = NULL;
if (x) { x1 = BN_dup (x); BN_set_negative (x1, !BN_is_negative (x)); };
if (y) y1 = BN_dup (y);
return EDDSAPoint {x1, y1};
}
};
const size_t EDDSA25519_PUBLIC_KEY_LENGTH = 32;