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package otr3
import "math/big"
var (
p *big.Int // prime field, defined in RFC3526 as Diffie-Hellman Group 5
pMinusTwo *big.Int
q *big.Int // prime order
g1 *big.Int // group generator
)
func init() {
p, _ = new(big.Int).SetString(
"FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1"+
"29024E088A67CC74020BBEA63B139B22514A08798E3404DD"+
"EF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245"+
"E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7ED"+
"EE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3D"+
"C2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F"+
"83655D23DCA3AD961C62F356208552BB9ED529077096966D"+
"670C354E4ABC9804F1746C08CA237327FFFFFFFFFFFFFFFF", 16)
q, _ = new(big.Int).SetString(
"7FFFFFFFFFFFFFFFE487ED5110B4611A62633145C06E0E68"+
"948127044533E63A0105DF531D89CD9128A5043CC71A026E"+
"F7CA8CD9E69D218D98158536F92F8A1BA7F09AB6B6A8E122"+
"F242DABB312F3F637A262174D31BF6B585FFAE5B7A035BF6"+
"F71C35FDAD44CFD2D74F9208BE258FF324943328F6722D9E"+
"E1003E5C50B1DF82CC6D241B0E2AE9CD348B1FD47E9267AF"+
"C1B2AE91EE51D6CB0E3179AB1042A95DCF6A9483B84B4B36"+
"B3861AA7255E4C0278BA36046511B993FFFFFFFFFFFFFFFF", 16)
pMinusTwo = sub(p, big.NewInt(2))
g1 = big.NewInt(2)
initTLVHandlers()
}
func isGroupElement(n *big.Int) bool {
return gte(n, g1) && lte(n, pMinusTwo)
}
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