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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package scrypt
import (
"bytes"
"testing"
)
type testVector struct {
password string
salt string
N, r, p int
output []byte
}
var good = []testVector{
{
"password",
"salt",
2, 10, 10,
[]byte{
0x48, 0x2c, 0x85, 0x8e, 0x22, 0x90, 0x55, 0xe6, 0x2f,
0x41, 0xe0, 0xec, 0x81, 0x9a, 0x5e, 0xe1, 0x8b, 0xdb,
0x87, 0x25, 0x1a, 0x53, 0x4f, 0x75, 0xac, 0xd9, 0x5a,
0xc5, 0xe5, 0xa, 0xa1, 0x5f,
},
},
{
"password",
"salt",
16, 100, 100,
[]byte{
0x88, 0xbd, 0x5e, 0xdb, 0x52, 0xd1, 0xdd, 0x0, 0x18,
0x87, 0x72, 0xad, 0x36, 0x17, 0x12, 0x90, 0x22, 0x4e,
0x74, 0x82, 0x95, 0x25, 0xb1, 0x8d, 0x73, 0x23, 0xa5,
0x7f, 0x91, 0x96, 0x3c, 0x37,
},
},
{
"this is a long \000 password",
"and this is a long \000 salt",
16384, 8, 1,
[]byte{
0xc3, 0xf1, 0x82, 0xee, 0x2d, 0xec, 0x84, 0x6e, 0x70,
0xa6, 0x94, 0x2f, 0xb5, 0x29, 0x98, 0x5a, 0x3a, 0x09,
0x76, 0x5e, 0xf0, 0x4c, 0x61, 0x29, 0x23, 0xb1, 0x7f,
0x18, 0x55, 0x5a, 0x37, 0x07, 0x6d, 0xeb, 0x2b, 0x98,
0x30, 0xd6, 0x9d, 0xe5, 0x49, 0x26, 0x51, 0xe4, 0x50,
0x6a, 0xe5, 0x77, 0x6d, 0x96, 0xd4, 0x0f, 0x67, 0xaa,
0xee, 0x37, 0xe1, 0x77, 0x7b, 0x8a, 0xd5, 0xc3, 0x11,
0x14, 0x32, 0xbb, 0x3b, 0x6f, 0x7e, 0x12, 0x64, 0x40,
0x18, 0x79, 0xe6, 0x41, 0xae,
},
},
{
"p",
"s",
2, 1, 1,
[]byte{
0x48, 0xb0, 0xd2, 0xa8, 0xa3, 0x27, 0x26, 0x11, 0x98,
0x4c, 0x50, 0xeb, 0xd6, 0x30, 0xaf, 0x52,
},
},
{
"",
"",
16, 1, 1,
[]byte{
0x77, 0xd6, 0x57, 0x62, 0x38, 0x65, 0x7b, 0x20, 0x3b,
0x19, 0xca, 0x42, 0xc1, 0x8a, 0x04, 0x97, 0xf1, 0x6b,
0x48, 0x44, 0xe3, 0x07, 0x4a, 0xe8, 0xdf, 0xdf, 0xfa,
0x3f, 0xed, 0xe2, 0x14, 0x42, 0xfc, 0xd0, 0x06, 0x9d,
0xed, 0x09, 0x48, 0xf8, 0x32, 0x6a, 0x75, 0x3a, 0x0f,
0xc8, 0x1f, 0x17, 0xe8, 0xd3, 0xe0, 0xfb, 0x2e, 0x0d,
0x36, 0x28, 0xcf, 0x35, 0xe2, 0x0c, 0x38, 0xd1, 0x89,
0x06,
},
},
{
"password",
"NaCl",
1024, 8, 16,
[]byte{
0xfd, 0xba, 0xbe, 0x1c, 0x9d, 0x34, 0x72, 0x00, 0x78,
0x56, 0xe7, 0x19, 0x0d, 0x01, 0xe9, 0xfe, 0x7c, 0x6a,
0xd7, 0xcb, 0xc8, 0x23, 0x78, 0x30, 0xe7, 0x73, 0x76,
0x63, 0x4b, 0x37, 0x31, 0x62, 0x2e, 0xaf, 0x30, 0xd9,
0x2e, 0x22, 0xa3, 0x88, 0x6f, 0xf1, 0x09, 0x27, 0x9d,
0x98, 0x30, 0xda, 0xc7, 0x27, 0xaf, 0xb9, 0x4a, 0x83,
0xee, 0x6d, 0x83, 0x60, 0xcb, 0xdf, 0xa2, 0xcc, 0x06,
0x40,
},
},
{
"pleaseletmein", "SodiumChloride",
16384, 8, 1,
[]byte{
0x70, 0x23, 0xbd, 0xcb, 0x3a, 0xfd, 0x73, 0x48, 0x46,
0x1c, 0x06, 0xcd, 0x81, 0xfd, 0x38, 0xeb, 0xfd, 0xa8,
0xfb, 0xba, 0x90, 0x4f, 0x8e, 0x3e, 0xa9, 0xb5, 0x43,
0xf6, 0x54, 0x5d, 0xa1, 0xf2, 0xd5, 0x43, 0x29, 0x55,
0x61, 0x3f, 0x0f, 0xcf, 0x62, 0xd4, 0x97, 0x05, 0x24,
0x2a, 0x9a, 0xf9, 0xe6, 0x1e, 0x85, 0xdc, 0x0d, 0x65,
0x1e, 0x40, 0xdf, 0xcf, 0x01, 0x7b, 0x45, 0x57, 0x58,
0x87,
},
},
/*
// Disabled: needs 1 GiB RAM and takes too long for a simple test.
{
"pleaseletmein", "SodiumChloride",
1048576, 8, 1,
[]byte{
0x21, 0x01, 0xcb, 0x9b, 0x6a, 0x51, 0x1a, 0xae, 0xad,
0xdb, 0xbe, 0x09, 0xcf, 0x70, 0xf8, 0x81, 0xec, 0x56,
0x8d, 0x57, 0x4a, 0x2f, 0xfd, 0x4d, 0xab, 0xe5, 0xee,
0x98, 0x20, 0xad, 0xaa, 0x47, 0x8e, 0x56, 0xfd, 0x8f,
0x4b, 0xa5, 0xd0, 0x9f, 0xfa, 0x1c, 0x6d, 0x92, 0x7c,
0x40, 0xf4, 0xc3, 0x37, 0x30, 0x40, 0x49, 0xe8, 0xa9,
0x52, 0xfb, 0xcb, 0xf4, 0x5c, 0x6f, 0xa7, 0x7a, 0x41,
0xa4,
},
},
*/
}
var bad = []testVector{
{"p", "s", 0, 1, 1, nil}, // N == 0
{"p", "s", 1, 1, 1, nil}, // N == 1
{"p", "s", 7, 8, 1, nil}, // N is not power of 2
{"p", "s", 16, maxInt / 2, maxInt / 2, nil}, // p * r too large
}
func TestKey(t *testing.T) {
for i, v := range good {
k, err := Key([]byte(v.password), []byte(v.salt), v.N, v.r, v.p, len(v.output))
if err != nil {
t.Errorf("%d: got unexpected error: %s", i, err)
}
if !bytes.Equal(k, v.output) {
t.Errorf("%d: expected %x, got %x", i, v.output, k)
}
}
for i, v := range bad {
_, err := Key([]byte(v.password), []byte(v.salt), v.N, v.r, v.p, 32)
if err == nil {
t.Errorf("%d: expected error, got nil", i)
}
}
}
var sink []byte
func BenchmarkKey(b *testing.B) {
for i := 0; i < b.N; i++ {
sink, _ = Key([]byte("password"), []byte("salt"), 1<<15, 8, 1, 64)
}
}