1 // Copyright 2017 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.
5 // Test that the hashes in the standard library implement
6 // BinaryMarshaler, BinaryUnmarshaler,
7 // and lock in the current representations.
27 func fromHex(s
string) []byte {
28 b
, err
:= hex
.DecodeString(s
)
35 var marshalTests
= []struct {
40 {"adler32", func() hash
.Hash
{ return adler32
.New() }, fromHex("61646c01460a789d")},
41 {"crc32", func() hash
.Hash
{ return crc32
.NewIEEE() }, fromHex("63726301ca87914dc956d3e8")},
42 {"crc64", func() hash
.Hash
{ return crc64
.New(crc64
.MakeTable(crc64
.ISO
)) }, fromHex("6372630273ba8484bbcd5def5d51c83c581695be")},
43 {"fnv32", func() hash
.Hash
{ return fnv
.New32() }, fromHex("666e760171ba3d77")},
44 {"fnv32a", func() hash
.Hash
{ return fnv
.New32a() }, fromHex("666e76027439f86f")},
45 {"fnv64", func() hash
.Hash
{ return fnv
.New64() }, fromHex("666e7603cc64e0e97692c637")},
46 {"fnv64a", func() hash
.Hash
{ return fnv
.New64a() }, fromHex("666e7604c522af9b0dede66f")},
47 {"fnv128", func() hash
.Hash
{ return fnv
.New128() }, fromHex("666e760561587a70a0f66d7981dc980e2cabbaf7")},
48 {"fnv128a", func() hash
.Hash
{ return fnv
.New128a() }, fromHex("666e7606a955802b0136cb67622b461d9f91e6ff")},
49 {"md5", md5
.New
, fromHex("6d643501a91b0023007aa14740a3979210b5f024c0c1c2c3c4c5c6c7c8c9cacbcccdcecfd0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeeff0f1f2f3f4f5f6f7f80000000000000000000000000000f9")},
50 {"sha1", sha1
.New
, fromHex("736861016dad5acb4dc003952f7a0b352ee5537ec381a228c0c1c2c3c4c5c6c7c8c9cacbcccdcecfd0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeeff0f1f2f3f4f5f6f7f80000000000000000000000000000f9")},
51 {"sha224", sha256
.New224
, fromHex("73686102f8b92fc047c9b4d82f01a6370841277b7a0d92108440178c83db855a8e66c2d9c0c1c2c3c4c5c6c7c8c9cacbcccdcecfd0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeeff0f1f2f3f4f5f6f7f80000000000000000000000000000f9")},
52 {"sha256", sha256
.New
, fromHex("736861032bed68b99987cae48183b2b049d393d0050868e4e8ba3730e9112b08765929b7c0c1c2c3c4c5c6c7c8c9cacbcccdcecfd0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeeff0f1f2f3f4f5f6f7f80000000000000000000000000000f9")},
53 {"sha384", sha512
.New384
, fromHex("736861046f1664d213dd802f7c47bc50637cf93592570a2b8695839148bf38341c6eacd05326452ef1cbe64d90f1ef73bb5ac7d2803565467d0ddb10c5ee3fc050f9f0c1808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9fa0a1a2a3a4a5a6a7a8a9aaabacadaeafb0b1b2b3b4b5b6b7b8b9babbbcbdbebfc0c1c2c3c4c5c6c7c8c9cacbcccdcecfd0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeeff0f1f2f3f4f5f6f7f80000000000000000000000000000f9")},
54 {"sha512_224", sha512
.New512_224
, fromHex("736861056f1a450ec15af20572d0d1ee6518104d7cbbbe79a038557af5450ed7dbd420b53b7335209e951b4d9aff401f90549b9604fa3d823fbb8581c73582a88aa84022808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9fa0a1a2a3a4a5a6a7a8a9aaabacadaeafb0b1b2b3b4b5b6b7b8b9babbbcbdbebfc0c1c2c3c4c5c6c7c8c9cacbcccdcecfd0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeeff0f1f2f3f4f5f6f7f80000000000000000000000000000f9")},
55 {"sha512_256", sha512
.New512_256
, fromHex("736861067c541f1d1a72536b1f5dad64026bcc7c508f8a2126b51f46f8b9bff63a26fee70980718031e96832e95547f4fe76160ff84076db53b4549b86354af8e17b5116808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9fa0a1a2a3a4a5a6a7a8a9aaabacadaeafb0b1b2b3b4b5b6b7b8b9babbbcbdbebfc0c1c2c3c4c5c6c7c8c9cacbcccdcecfd0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeeff0f1f2f3f4f5f6f7f80000000000000000000000000000f9")},
56 {"sha512", sha512
.New
, fromHex("736861078e03953cd57cd6879321270afa70c5827bb5b69be59a8f0130147e94f2aedf7bdc01c56c92343ca8bd837bb7f0208f5a23e155694516b6f147099d491a30b151808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9fa0a1a2a3a4a5a6a7a8a9aaabacadaeafb0b1b2b3b4b5b6b7b8b9babbbcbdbebfc0c1c2c3c4c5c6c7c8c9cacbcccdcecfd0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeeff0f1f2f3f4f5f6f7f80000000000000000000000000000f9")},
59 func TestMarshalHash(t
*testing
.T
) {
60 for _
, tt
:= range marshalTests
{
61 t
.Run(tt
.name
, func(t
*testing
.T
) {
62 buf
:= make([]byte, 256)
74 for i
:= 0; i
< split
; i
++ {
75 h2
.Write(buf
[i
: i
+1])
77 h2m
, ok
:= h2
.(encoding
.BinaryMarshaler
)
79 t
.Fatalf("Hash does not implement MarshalBinary")
81 enc
, err
:= h2m
.MarshalBinary()
83 t
.Fatalf("MarshalBinary: %v", err
)
85 if !bytes
.Equal(enc
, tt
.golden
) {
86 t
.Errorf("MarshalBinary = %x, want %x", enc
, tt
.golden
)
88 h3u
, ok
:= h3
.(encoding
.BinaryUnmarshaler
)
90 t
.Fatalf("Hash does not implement UnmarshalBinary")
92 if err
:= h3u
.UnmarshalBinary(enc
); err
!= nil {
93 t
.Fatalf("UnmarshalBinary: %v", err
)
99 if !bytes
.Equal(sum2
, sum
) {
100 t
.Fatalf("Sum after MarshalBinary = %x, want %x", sum2
, sum
)
102 if !bytes
.Equal(sum3
, sum
) {
103 t
.Fatalf("Sum after UnmarshalBinary = %x, want %x", sum3
, sum
)