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authorMITSUNARI Shigeo <herumi@nifty.com>2017-05-29 06:02:38 +0800
committerMITSUNARI Shigeo <herumi@nifty.com>2017-05-29 06:02:38 +0800
commit4854a50087865b7f4f4147a43e9ff21c26df7e1f (patch)
treee810cc7e413bc013337610d5f59d76c55b97ffd7 /src/bls.cpp
parent0dbdb0f7dc29d27ba815c9a9205a8bc989d117bd (diff)
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Sign to Signature
Diffstat (limited to 'src/bls.cpp')
-rw-r--r--src/bls.cpp38
1 files changed, 19 insertions, 19 deletions
diff --git a/src/bls.cpp b/src/bls.cpp
index 70bbfa3..c4a3e69 100644
--- a/src/bls.cpp
+++ b/src/bls.cpp
@@ -98,7 +98,7 @@ struct SecretKey {
const Fr& get() const { return s; }
};
-struct Sign {
+struct Signature {
G1 sHm; // s Hash(m)
const G1& get() const { return sHm; }
};
@@ -190,7 +190,7 @@ void init(int curve, int maxUnitSize)
assert(sizeof(Id) == sizeof(impl::Id));
assert(sizeof(SecretKey) == sizeof(impl::SecretKey));
assert(sizeof(PublicKey) == sizeof(impl::PublicKey));
- assert(sizeof(Sign) == sizeof(impl::Sign));
+ assert(sizeof(Signature) == sizeof(impl::Signature));
static G2 Q;
if (curve == bls::CurveFp254BNb) {
Q.set(
@@ -263,30 +263,30 @@ void Id::setLittleEndian(const void *buf, size_t bufSize)
getInner().v.setArrayMask((const char *)buf, bufSize);
}
-bool Sign::operator==(const Sign& rhs) const
+bool Signature::operator==(const Signature& rhs) const
{
return getInner().sHm == rhs.getInner().sHm;
}
-std::ostream& operator<<(std::ostream& os, const Sign& s)
+std::ostream& operator<<(std::ostream& os, const Signature& s)
{
return writeAsHex(os, s.getInner().sHm);
}
-std::istream& operator>>(std::istream& os, Sign& s)
+std::istream& operator>>(std::istream& os, Signature& s)
{
return os >> s.getInner().sHm;
}
-void Sign::getStr(std::string& str, int ioMode) const
+void Signature::getStr(std::string& str, int ioMode) const
{
getInner().sHm.getStr(str, ioMode);
}
-void Sign::setStr(const std::string& str, int ioMode)
+void Signature::setStr(const std::string& str, int ioMode)
{
getInner().sHm.setStr(str, ioMode);
}
-bool Sign::verify(const PublicKey& pub, const std::string& m) const
+bool Signature::verify(const PublicKey& pub, const std::string& m) const
{
G1 Hm;
HashAndMapToG1(Hm, m); // Hm = Hash(m)
@@ -312,27 +312,27 @@ bool Sign::verify(const PublicKey& pub, const std::string& m) const
#endif
}
-bool Sign::verify(const PublicKey& pub) const
+bool Signature::verify(const PublicKey& pub) const
{
std::string str;
pub.getInner().sQ.getStr(str);
return verify(pub, str);
}
-void Sign::recover(const SignVec& signVec, const IdVec& idVec)
+void Signature::recover(const SignatureVec& sigVec, const IdVec& idVec)
{
- if (signVec.size() != idVec.size()) throw cybozu::Exception("Sign:recover:bad size") << signVec.size() << idVec.size();
- recover(signVec.data(), idVec.data(), signVec.size());
+ if (sigVec.size() != idVec.size()) throw cybozu::Exception("Signature:recover:bad size") << sigVec.size() << idVec.size();
+ recover(sigVec.data(), idVec.data(), sigVec.size());
}
-void Sign::recover(const Sign* signVec, const Id *idVec, size_t n)
+void Signature::recover(const Signature* sigVec, const Id *idVec, size_t n)
{
- WrapArray<Sign, G1> signW(signVec, n);
+ WrapArray<Signature, G1> signW(sigVec, n);
WrapArray<Id, Fr> idW(idVec, n);
LagrangeInterpolation(getInner().sHm, signW, idW);
}
-void Sign::add(const Sign& rhs)
+void Signature::add(const Signature& rhs)
{
getInner().sHm += rhs.getInner().sHm;
}
@@ -425,15 +425,15 @@ void SecretKey::getPublicKey(PublicKey& pub) const
G2::mul(pub.getInner().sQ, getQ(), getInner().s);
}
-void SecretKey::sign(Sign& sign, const std::string& m) const
+void SecretKey::sign(Signature& sig, const std::string& m) const
{
G1 Hm;
HashAndMapToG1(Hm, m);
-// G1::mul(sign.getInner().sHm, Hm, getInner().s);
- G1::mulCT(sign.getInner().sHm, Hm, getInner().s);
+// G1::mul(sig.getInner().sHm, Hm, getInner().s);
+ G1::mulCT(sig.getInner().sHm, Hm, getInner().s);
}
-void SecretKey::getPop(Sign& pop) const
+void SecretKey::getPop(Signature& pop) const
{
PublicKey pub;
getPublicKey(pub);