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author | Rutger Broekhoff | 2023-12-29 21:31:53 +0100 |
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committer | Rutger Broekhoff | 2023-12-29 21:31:53 +0100 |
commit | 404aeae4545d2426c089a5f8d5e82dae56f5212b (patch) | |
tree | 2d84e00af272b39fc04f3795ae06bc48970e57b5 /vendor/github.com/minio/md5-simd/md5.go | |
parent | 209d8b0187ed025dec9ac149ebcced3462877bff (diff) | |
download | gitolfs3-404aeae4545d2426c089a5f8d5e82dae56f5212b.tar.gz gitolfs3-404aeae4545d2426c089a5f8d5e82dae56f5212b.zip |
Make Nix builds work
Diffstat (limited to 'vendor/github.com/minio/md5-simd/md5.go')
-rw-r--r-- | vendor/github.com/minio/md5-simd/md5.go | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/vendor/github.com/minio/md5-simd/md5.go b/vendor/github.com/minio/md5-simd/md5.go new file mode 100644 index 0000000..11b0cb9 --- /dev/null +++ b/vendor/github.com/minio/md5-simd/md5.go | |||
@@ -0,0 +1,63 @@ | |||
1 | package md5simd | ||
2 | |||
3 | import ( | ||
4 | "crypto/md5" | ||
5 | "hash" | ||
6 | "sync" | ||
7 | ) | ||
8 | |||
9 | const ( | ||
10 | // The blocksize of MD5 in bytes. | ||
11 | BlockSize = 64 | ||
12 | |||
13 | // The size of an MD5 checksum in bytes. | ||
14 | Size = 16 | ||
15 | |||
16 | // internalBlockSize is the internal block size. | ||
17 | internalBlockSize = 32 << 10 | ||
18 | ) | ||
19 | |||
20 | type Server interface { | ||
21 | NewHash() Hasher | ||
22 | Close() | ||
23 | } | ||
24 | |||
25 | type Hasher interface { | ||
26 | hash.Hash | ||
27 | Close() | ||
28 | } | ||
29 | |||
30 | // StdlibHasher returns a Hasher that uses the stdlib for hashing. | ||
31 | // Used hashers are stored in a pool for fast reuse. | ||
32 | func StdlibHasher() Hasher { | ||
33 | return &md5Wrapper{Hash: md5Pool.New().(hash.Hash)} | ||
34 | } | ||
35 | |||
36 | // md5Wrapper is a wrapper around the builtin hasher. | ||
37 | type md5Wrapper struct { | ||
38 | hash.Hash | ||
39 | } | ||
40 | |||
41 | var md5Pool = sync.Pool{New: func() interface{} { | ||
42 | return md5.New() | ||
43 | }} | ||
44 | |||
45 | // fallbackServer - Fallback when no assembly is available. | ||
46 | type fallbackServer struct { | ||
47 | } | ||
48 | |||
49 | // NewHash -- return regular Golang md5 hashing from crypto | ||
50 | func (s *fallbackServer) NewHash() Hasher { | ||
51 | return &md5Wrapper{Hash: md5Pool.New().(hash.Hash)} | ||
52 | } | ||
53 | |||
54 | func (s *fallbackServer) Close() { | ||
55 | } | ||
56 | |||
57 | func (m *md5Wrapper) Close() { | ||
58 | if m.Hash != nil { | ||
59 | m.Reset() | ||
60 | md5Pool.Put(m.Hash) | ||
61 | m.Hash = nil | ||
62 | } | ||
63 | } | ||