func signH1(suite abstract.Suite, H1pre abstract.Cipher, PG, PH abstract.Point) abstract.Secret {
H1 := H1pre.Clone()
PGb, _ := PG.MarshalBinary()
H1.Write(PGb)
if PH != nil {
PHb, _ := PH.MarshalBinary()
H1.Write(PHb)
}
H1.Message(nil, nil, nil) // finish message absorption
return suite.Secret().Pick(H1)
}
// benchmarkCipher tests the speed of a Cipher to process a size-byte message.
func benchmarkCipher(b *testing.B, cipher abstract.Cipher, size int) {
b.SetBytes(int64(size))
for i := 0; i < b.N; i++ {
cipher.Message(buf[:size], buf[:size], buf[:size])
}
}