func (dbs *databaseSuite) TestPublicKey(c *C) {
pk := testPrivKey1
keyID := pk.PublicKey().ID()
err := dbs.db.ImportKey(pk)
c.Assert(err, IsNil)
pubk, err := dbs.db.PublicKey(keyID)
c.Assert(err, IsNil)
c.Check(pubk.ID(), Equals, keyID)
// usual pattern is to then encode it
encoded, err := asserts.EncodePublicKey(pubk)
c.Assert(err, IsNil)
data, err := base64.StdEncoding.DecodeString(string(encoded))
c.Assert(err, IsNil)
c.Check(data[0], Equals, uint8(1)) // v1
// check details of packet
const newHeaderBits = 0x80 | 0x40
c.Check(data[1]&newHeaderBits, Equals, uint8(newHeaderBits))
c.Check(data[2] < 192, Equals, true) // small packet, 1 byte length
c.Check(data[3], Equals, uint8(4)) // openpgp v4
pkt, err := packet.Read(bytes.NewBuffer(data[1:]))
c.Assert(err, IsNil)
pubKey, ok := pkt.(*packet.PublicKey)
c.Assert(ok, Equals, true)
c.Check(pubKey.PubKeyAlgo, Equals, packet.PubKeyAlgoRSA)
c.Check(pubKey.IsSubkey, Equals, false)
fixedTimestamp := time.Date(2016, time.January, 1, 0, 0, 0, 0, time.UTC)
c.Check(pubKey.CreationTime.Equal(fixedTimestamp), Equals, true)
// hash of blob content == hash of key
h384 := sha3.Sum384(data)
encHash := base64.RawURLEncoding.EncodeToString(h384[:])
c.Check(encHash, DeepEquals, testPrivKey1SHA3_384)
}
func (s *snapFileDigestSuite) TestSnapFileSHA3_384(c *C) {
exData := []byte("hashmeplease")
tempdir := c.MkDir()
snapFn := filepath.Join(tempdir, "ex.snap")
err := ioutil.WriteFile(snapFn, exData, 0644)
c.Assert(err, IsNil)
encDgst, size, err := asserts.SnapFileSHA3_384(snapFn)
c.Assert(err, IsNil)
c.Check(size, Equals, uint64(len(exData)))
h3_384 := sha3.Sum384(exData)
expected := base64.RawURLEncoding.EncodeToString(h3_384[:])
c.Check(encDgst, DeepEquals, expected)
}
func fakeHash(rev int) []byte {
h := sha3.Sum384(fakeSnap(rev))
return h[:]
}
func Sum384(password string) string {
buf := []byte(password)
hash := sha3.Sum384(buf)
return string(hash[:])
}