pbkdf2_test.go

Documentation: golang.org/x/crypto/pbkdf2

     1  // Copyright 2012 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package pbkdf2
     6  
     7  import (
     8  	"bytes"
     9  	"crypto/sha1"
    10  	"crypto/sha256"
    11  	"hash"
    12  	"testing"
    13  )
    14  
    15  type testVector struct {
    16  	password string
    17  	salt     string
    18  	iter     int
    19  	output   []byte
    20  }
    21  
    22  // Test vectors from RFC 6070, http://tools.ietf.org/html/rfc6070
    23  var sha1TestVectors = []testVector{
    24  	{
    25  		"password",
    26  		"salt",
    27  		1,
    28  		[]byte{
    29  			0x0c, 0x60, 0xc8, 0x0f, 0x96, 0x1f, 0x0e, 0x71,
    30  			0xf3, 0xa9, 0xb5, 0x24, 0xaf, 0x60, 0x12, 0x06,
    31  			0x2f, 0xe0, 0x37, 0xa6,
    32  		},
    33  	},
    34  	{
    35  		"password",
    36  		"salt",
    37  		2,
    38  		[]byte{
    39  			0xea, 0x6c, 0x01, 0x4d, 0xc7, 0x2d, 0x6f, 0x8c,
    40  			0xcd, 0x1e, 0xd9, 0x2a, 0xce, 0x1d, 0x41, 0xf0,
    41  			0xd8, 0xde, 0x89, 0x57,
    42  		},
    43  	},
    44  	{
    45  		"password",
    46  		"salt",
    47  		4096,
    48  		[]byte{
    49  			0x4b, 0x00, 0x79, 0x01, 0xb7, 0x65, 0x48, 0x9a,
    50  			0xbe, 0xad, 0x49, 0xd9, 0x26, 0xf7, 0x21, 0xd0,
    51  			0x65, 0xa4, 0x29, 0xc1,
    52  		},
    53  	},
    54  	// // This one takes too long
    55  	// {
    56  	// 	"password",
    57  	// 	"salt",
    58  	// 	16777216,
    59  	// 	[]byte{
    60  	// 		0xee, 0xfe, 0x3d, 0x61, 0xcd, 0x4d, 0xa4, 0xe4,
    61  	// 		0xe9, 0x94, 0x5b, 0x3d, 0x6b, 0xa2, 0x15, 0x8c,
    62  	// 		0x26, 0x34, 0xe9, 0x84,
    63  	// 	},
    64  	// },
    65  	{
    66  		"passwordPASSWORDpassword",
    67  		"saltSALTsaltSALTsaltSALTsaltSALTsalt",
    68  		4096,
    69  		[]byte{
    70  			0x3d, 0x2e, 0xec, 0x4f, 0xe4, 0x1c, 0x84, 0x9b,
    71  			0x80, 0xc8, 0xd8, 0x36, 0x62, 0xc0, 0xe4, 0x4a,
    72  			0x8b, 0x29, 0x1a, 0x96, 0x4c, 0xf2, 0xf0, 0x70,
    73  			0x38,
    74  		},
    75  	},
    76  	{
    77  		"pass\000word",
    78  		"sa\000lt",
    79  		4096,
    80  		[]byte{
    81  			0x56, 0xfa, 0x6a, 0xa7, 0x55, 0x48, 0x09, 0x9d,
    82  			0xcc, 0x37, 0xd7, 0xf0, 0x34, 0x25, 0xe0, 0xc3,
    83  		},
    84  	},
    85  }
    86  
    87  // Test vectors from
    88  // http://stackoverflow.com/questions/5130513/pbkdf2-hmac-sha2-test-vectors
    89  var sha256TestVectors = []testVector{
    90  	{
    91  		"password",
    92  		"salt",
    93  		1,
    94  		[]byte{
    95  			0x12, 0x0f, 0xb6, 0xcf, 0xfc, 0xf8, 0xb3, 0x2c,
    96  			0x43, 0xe7, 0x22, 0x52, 0x56, 0xc4, 0xf8, 0x37,
    97  			0xa8, 0x65, 0x48, 0xc9,
    98  		},
    99  	},
   100  	{
   101  		"password",
   102  		"salt",
   103  		2,
   104  		[]byte{
   105  			0xae, 0x4d, 0x0c, 0x95, 0xaf, 0x6b, 0x46, 0xd3,
   106  			0x2d, 0x0a, 0xdf, 0xf9, 0x28, 0xf0, 0x6d, 0xd0,
   107  			0x2a, 0x30, 0x3f, 0x8e,
   108  		},
   109  	},
   110  	{
   111  		"password",
   112  		"salt",
   113  		4096,
   114  		[]byte{
   115  			0xc5, 0xe4, 0x78, 0xd5, 0x92, 0x88, 0xc8, 0x41,
   116  			0xaa, 0x53, 0x0d, 0xb6, 0x84, 0x5c, 0x4c, 0x8d,
   117  			0x96, 0x28, 0x93, 0xa0,
   118  		},
   119  	},
   120  	{
   121  		"passwordPASSWORDpassword",
   122  		"saltSALTsaltSALTsaltSALTsaltSALTsalt",
   123  		4096,
   124  		[]byte{
   125  			0x34, 0x8c, 0x89, 0xdb, 0xcb, 0xd3, 0x2b, 0x2f,
   126  			0x32, 0xd8, 0x14, 0xb8, 0x11, 0x6e, 0x84, 0xcf,
   127  			0x2b, 0x17, 0x34, 0x7e, 0xbc, 0x18, 0x00, 0x18,
   128  			0x1c,
   129  		},
   130  	},
   131  	{
   132  		"pass\000word",
   133  		"sa\000lt",
   134  		4096,
   135  		[]byte{
   136  			0x89, 0xb6, 0x9d, 0x05, 0x16, 0xf8, 0x29, 0x89,
   137  			0x3c, 0x69, 0x62, 0x26, 0x65, 0x0a, 0x86, 0x87,
   138  		},
   139  	},
   140  }
   141  
   142  func testHash(t *testing.T, h func() hash.Hash, hashName string, vectors []testVector) {
   143  	for i, v := range vectors {
   144  		o := Key([]byte(v.password), []byte(v.salt), v.iter, len(v.output), h)
   145  		if !bytes.Equal(o, v.output) {
   146  			t.Errorf("%s %d: expected %x, got %x", hashName, i, v.output, o)
   147  		}
   148  	}
   149  }
   150  
   151  func TestWithHMACSHA1(t *testing.T) {
   152  	testHash(t, sha1.New, "SHA1", sha1TestVectors)
   153  }
   154  
   155  func TestWithHMACSHA256(t *testing.T) {
   156  	testHash(t, sha256.New, "SHA256", sha256TestVectors)
   157  }
   158  
   159  var sink uint8
   160  
   161  func benchmark(b *testing.B, h func() hash.Hash) {
   162  	password := make([]byte, h().Size())
   163  	salt := make([]byte, 8)
   164  	for i := 0; i < b.N; i++ {
   165  		password = Key(password, salt, 4096, len(password), h)
   166  	}
   167  	sink += password[0]
   168  }
   169  
   170  func BenchmarkHMACSHA1(b *testing.B) {
   171  	benchmark(b, sha1.New)
   172  }
   173  
   174  func BenchmarkHMACSHA256(b *testing.B) {
   175  	benchmark(b, sha256.New)
   176  }
   177
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