예제 #1
0
// Hash is the global IPFS hash function. uses multihash SHA2_256, 256 bits
func Hash(data []byte) mh.Multihash {
	h, err := mh.Sum(data, mh.SHA2_256, -1)
	if err != nil {
		// this error can be safely ignored (panic) because multihash only fails
		// from the selection of hash function. If the fn + length are valid, it
		// won't error.
		panic("multihash failed to hash using SHA2_256.")
	}
	return h
}
예제 #2
0
func TestKey(t *testing.T) {

	h1, err := mh.Sum([]byte("beep boop"), mh.SHA2_256, -1)
	if err != nil {
		t.Error(err)
	}

	k1 := Key(h1)
	h2 := mh.Multihash(k1)
	k2 := Key(h2)

	if !bytes.Equal(h1, h2) {
		t.Error("Multihashes not equal.")
	}

	if k1 != k2 {
		t.Error("Keys not equal.")
	}
}