func (eds *encodeDigestSuite) TestEncodeDigestErrors(c *C) {
_, err := asserts.EncodeDigest(crypto.SHA1, nil)
c.Check(err, ErrorMatches, "unsupported hash")
_, err = asserts.EncodeDigest(crypto.SHA512, []byte{1, 2})
c.Check(err, ErrorMatches, "hash digest by sha512 should be 64 bytes")
_, err = asserts.EncodeDigest(crypto.SHA3_384, []byte{1, 2})
c.Check(err, ErrorMatches, "hash digest by sha3-384 should be 48 bytes")
}
func makeDigest(rev int) string {
d, err := asserts.EncodeDigest(crypto.SHA3_384, fakeHash(rev))
if err != nil {
panic(err)
}
return string(d)
}
func (eds *encodeDigestSuite) TestEncodeDigestOK(c *C) {
h := crypto.SHA512.New()
h.Write([]byte("some stuff to hash"))
digest := h.Sum(nil)
encoded, err := asserts.EncodeDigest(crypto.SHA512, digest)
c.Assert(err, IsNil)
decoded, err := base64.RawURLEncoding.DecodeString(encoded)
c.Assert(err, IsNil)
c.Check(decoded, DeepEquals, digest)
// sha3-384
b, err := base64.RawURLEncoding.DecodeString(blobSHA3_384)
c.Assert(err, IsNil)
encoded, err = asserts.EncodeDigest(crypto.SHA3_384, b)
c.Assert(err, IsNil)
c.Check(encoded, Equals, blobSHA3_384)
}