本文整理匯總了Golang中github.com/dedis/crypto/abstract.Group.PrimeOrder方法的典型用法代碼示例。如果您正苦於以下問題：Golang Group.PrimeOrder方法的具體用法？Golang Group.PrimeOrder怎麽用？Golang Group.PrimeOrder使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/dedis/crypto/abstract.Group的用法示例。
在下文中一共展示了Group.PrimeOrder方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: testGroup
// Apply a generic set of validation tests to a cryptographic Group,
// using a given source of [pseudo-]randomness.
//
// Returns a log of the pseudorandom Points produced in the test,
// for comparison across alternative implementations
// that are supposed to be equivalent.
//
func testGroup(g abstract.Group, rand cipher.Stream) []abstract.Point {
// fmt.Printf("\nTesting group '%s': %d-byte Point, %d-byte Scalar\n",
// g.String(), g.PointLen(), g.ScalarLen())
points := make([]abstract.Point, 0)
ptmp := g.Point()
stmp := g.Scalar()
pzero := g.Point().Null()
szero := g.Scalar().Zero()
sone := g.Scalar().One()
// Do a simple Diffie-Hellman test
s1 := g.Scalar().Pick(rand)
s2 := g.Scalar().Pick(rand)
if s1.Equal(s2) {
panic("uh-oh, not getting unique secrets!")
}
gen := g.Point().Base()
points = append(points, gen)
// Verify additive and multiplicative identities of the generator.
ptmp.Mul(nil, stmp.SetInt64(-1)).Add(ptmp, gen)
if !ptmp.Equal(pzero) {
panic("oops, generator additive identity doesn't work")
}
if g.PrimeOrder() { // secret.Inv works only in prime-order groups
ptmp.Mul(nil, stmp.SetInt64(2)).Mul(ptmp, stmp.Inv(stmp))
if !ptmp.Equal(gen) {
panic("oops, generator multiplicative identity doesn't work")
}
}
p1 := g.Point().Mul(gen, s1)
p2 := g.Point().Mul(gen, s2)
if p1.Equal(p2) {
panic("uh-oh, encryption isn't producing unique points!")
}
points = append(points, p1)
dh1 := g.Point().Mul(p1, s2)
dh2 := g.Point().Mul(p2, s1)
if !dh1.Equal(dh2) {
panic("Diffie-Hellman didn't work")
}
points = append(points, dh1)
//println("shared secret = ",dh1.String())
// Test secret inverse to get from dh1 back to p1
if g.PrimeOrder() {
ptmp.Mul(dh1, g.Scalar().Inv(s2))
if !ptmp.Equal(p1) {
panic("Scalar inverse didn't work")
}
}
// Zero and One identity secrets
//println("dh1^0 = ",ptmp.Mul(dh1, szero).String())
if !ptmp.Mul(dh1, szero).Equal(pzero) {
panic("Encryption with secret=0 didn't work")
}
if !ptmp.Mul(dh1, sone).Equal(dh1) {
panic("Encryption with secret=1 didn't work")
}
// Additive homomorphic identities
ptmp.Add(p1, p2)
stmp.Add(s1, s2)
pt2 := g.Point().Mul(gen, stmp)
if !pt2.Equal(ptmp) {
panic("Additive homomorphism doesn't work")
}
ptmp.Sub(p1, p2)
stmp.Sub(s1, s2)
pt2.Mul(gen, stmp)
if !pt2.Equal(ptmp) {
panic("Additive homomorphism doesn't work")
}
st2 := g.Scalar().Neg(s2)
st2.Add(s1, st2)
if !stmp.Equal(st2) {
panic("Scalar.Neg doesn't work")
}
pt2.Neg(p2).Add(pt2, p1)
if !pt2.Equal(ptmp) {
panic("Point.Neg doesn't work")
}
// Multiplicative homomorphic identities
stmp.Mul(s1, s2)
if !ptmp.Mul(gen, stmp).Equal(dh1) {
panic("Multiplicative homomorphism doesn't work")
}
//.........這裏部分代碼省略.........