Sha256: 66c2ffd0a71d39049bab2ce6e8e8703194b6c62f580e56af86c47c474dc52ad4
Contents?: true
Size: 625 Bytes
Versions: 219
Compression:
Stored size: 625 Bytes
Contents
package diffiehellman
import (
"math/big"
"math/rand"
"time"
)
var r = rand.New(rand.NewSource(time.Now().Unix()))
var two = big.NewInt(2)
func PrivateKey(p *big.Int) *big.Int {
private := new(big.Int).Sub(p, two)
return private.Add(two, private.Rand(r, private))
}
func PublicKey(private, p *big.Int, g int64) *big.Int {
return new(big.Int).Exp(big.NewInt(g), private, p)
}
func NewPair(p *big.Int, g int64) (private, public *big.Int) {
private = PrivateKey(p)
return private, PublicKey(private, p, g)
}
func SecretKey(private1, public2, p *big.Int) *big.Int {
return new(big.Int).Exp(public2, private1, p)
}
Version data entries
219 entries across 219 versions & 1 rubygems