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publickey.go
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publickey.go
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package bls
import (
"math/big"
"github.com/SickleZhang/bls/bn256"
)
type PublicKey struct {
val bn256.G2
}
func Private2Public(pvtk *PrivateKey) *PublicKey {
if pvtk.val == nil {
pvtk.val = new(big.Int).SetUint64(0)
}
pubk := new(PublicKey)
pubk.val.ScalarBaseMult(pvtk.val)
return pubk
}
func (pubk *PublicKey) Null() *PublicKey {
pubk.val.Zero()
return pubk
}
func (pubk *PublicKey) IsNull() bool {
return pubk.val.IsZero()
}
func (pubk *PublicKey) Copy() *PublicKey {
ret := new(PublicKey)
ret.Unmarshal(pubk.Marshal())
return ret
}
func (pubk *PublicKey) Aggregate(pubks ...*PublicKey) *PublicKey {
pubk.val.Zero()
for _, pubkI := range pubks {
pubk.val.Add(&pubk.val, &pubkI.val)
}
return pubk
}
func (pubk *PublicKey) Marshal() []byte {
return pubk.val.Marshal()
}
func (pubk *PublicKey) Unmarshal(in []byte) error {
return pubk.val.Unmarshal(in)
}