1 // balloon -- Balloon password hashing function
2 // Copyright (C) 2016-2024 Sergey Matveev <stargrave@stargrave.org>
4 // This program is free software: you can redistribute it and/or modify
5 // it under the terms of the GNU Lesser General Public License as
6 // the Free Software Foundation, version 3 of the License.
8 // This program is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 // GNU Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this program. If not, see
15 // <http://www.gnu.org/licenses/>.
29 func TestB(t *testing.T) {
30 f := func(passwd, salt []byte, s, t uint8) bool {
31 if len(passwd) == 0 || len(salt) == 0 {
34 B(sha512.New(), passwd, salt, uint64(s)%16+1, uint64(t)%16+1)
37 if err := quick.Check(f, nil); err != nil {
42 func TestH(t *testing.T) {
43 f := func(passwd, salt []byte, s, t, p uint8) bool {
44 if len(passwd) == 0 || len(salt) == 0 {
47 H(sha512.New, passwd, salt, int(s)%16+1, int(t)%16+1, int(p)%8+1)
50 if err := quick.Check(f, nil); err != nil {
55 func BenchmarkB(b *testing.B) {
56 passwd := make([]byte, 8)
58 salt := make([]byte, 8)
61 sCost := uint64(1 << 10 / h.Size())
63 for i := 0; i < b.N; i++ {
64 B(h, passwd, salt, sCost, 4)
68 func BenchmarkH(b *testing.B) {
69 passwd := make([]byte, 8)
71 salt := make([]byte, 8)
73 sCost := 1 << 10 / sha512.New().Size()
75 for i := 0; i < b.N; i++ {
76 H(sha512.New, passwd, salt, sCost, 4, 4)
80 func mustHexDecode(s string) []byte {
81 b, err := hex.DecodeString(s)
88 func TestVectors(t *testing.T) {
89 // taken from Nettle 3.9
91 B(sha256.New(), []byte("password"), []byte("salt"), 1, 1),
92 mustHexDecode("eefda4a8a75b461fa389c1dcfaf3e9dfacbc26f81f22e6f280d15cc18c417545"),
98 B(sha256.New(), []byte{0}, []byte{0}, 3, 3),
99 mustHexDecode("4fc7e302ffa29ae0eac31166cee7a552d1d71135f4e0da66486fb68a749b73a4"),
105 B(sha256.New(), nil, []byte("salt"), 3, 3),
106 mustHexDecode("5f02f8206f9cd212485c6bdf85527b698956701ad0852106f94b94ee94577378"),
112 B(sha256.New(), []byte("password"), nil, 3, 3),
113 mustHexDecode("20aa99d7fe3f4df4bd98c655c5480ec98b143107a331fd491deda885c4d6a6cc"),
119 B(sha256.New(), []byte("hunter42"), []byte("examplesalt"), 1024, 3),
120 mustHexDecode("716043dff777b44aa7b88dcbab12c078abecfac9d289c5b5195967aa63440dfb"),