diff options
Diffstat (limited to 'vendor/github.com/minio/md5-simd/md5.go')
-rw-r--r-- | vendor/github.com/minio/md5-simd/md5.go | 57 |
1 files changed, 57 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 000000000..4f56b79d0 --- /dev/null +++ b/vendor/github.com/minio/md5-simd/md5.go @@ -0,0 +1,57 @@ +package md5simd + +import ( + "crypto/md5" + "hash" + "sync" +) + +const ( + // The blocksize of MD5 in bytes. + BlockSize = 64 + + // The size of an MD5 checksum in bytes. + Size = 16 + + // internalBlockSize is the internal block size. + internalBlockSize = 32 << 10 +) + +type Server interface { + NewHash() Hasher + Close() +} + +type Hasher interface { + hash.Hash + Close() +} + +// md5Wrapper is a wrapper around the builtin hasher. +type md5Wrapper struct { + hash.Hash +} + +var md5Pool = sync.Pool{New: func() interface{} { + return md5.New() +}} + +// fallbackServer - Fallback when no assembly is available. +type fallbackServer struct { +} + +// NewHash -- return regular Golang md5 hashing from crypto +func (s *fallbackServer) NewHash() Hasher { + return &md5Wrapper{Hash: md5Pool.New().(hash.Hash)} +} + +func (s *fallbackServer) Close() { +} + +func (m *md5Wrapper) Close() { + if m.Hash != nil { + m.Reset() + md5Pool.Put(m.Hash) + m.Hash = nil + } +} |