github.com/onflow/flow-go@v0.33.17/consensus/hotstuff/helper/bls_key.go (about)

     1  package helper
     2  
     3  import (
     4  	"crypto/rand"
     5  	"testing"
     6  
     7  	"github.com/stretchr/testify/require"
     8  
     9  	"github.com/onflow/flow-go/crypto"
    10  )
    11  
    12  func MakeBLSKey(t *testing.T) crypto.PrivateKey {
    13  	seed := make([]byte, crypto.KeyGenSeedMinLen)
    14  	n, err := rand.Read(seed)
    15  	require.Equal(t, n, crypto.KeyGenSeedMinLen)
    16  	require.NoError(t, err)
    17  	privKey, err := crypto.GeneratePrivateKey(crypto.BLSBLS12381, seed)
    18  	require.NoError(t, err)
    19  	return privKey
    20  }