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zeekay
cc986c328d
Squashes all pre-rewrite history into a single root commit. Previous tree: - 14506 commits including upstream Infisical fork history - Multiple merge chains carrying pre-purge content Force-rewrite per disk-space reclamation discipline. GHCR images (1.9.9, 1.9.11) remain immutable; their git lineage is no longer materialized.
64 lines
1.1 KiB
Go
64 lines
1.1 KiB
Go
package md5simd
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import (
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"crypto/md5"
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"hash"
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"sync"
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)
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const (
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// The blocksize of MD5 in bytes.
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BlockSize = 64
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// The size of an MD5 checksum in bytes.
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Size = 16
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// internalBlockSize is the internal block size.
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internalBlockSize = 32 << 10
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)
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type Server interface {
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NewHash() Hasher
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Close()
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}
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type Hasher interface {
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hash.Hash
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Close()
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}
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// StdlibHasher returns a Hasher that uses the stdlib for hashing.
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// Used hashers are stored in a pool for fast reuse.
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func StdlibHasher() Hasher {
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return &md5Wrapper{Hash: md5Pool.New().(hash.Hash)}
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}
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// md5Wrapper is a wrapper around the builtin hasher.
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type md5Wrapper struct {
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hash.Hash
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}
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var md5Pool = sync.Pool{New: func() interface{} {
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return md5.New()
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}}
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// fallbackServer - Fallback when no assembly is available.
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type fallbackServer struct {
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}
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// NewHash -- return regular Golang md5 hashing from crypto
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func (s *fallbackServer) NewHash() Hasher {
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return &md5Wrapper{Hash: md5Pool.New().(hash.Hash)}
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}
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func (s *fallbackServer) Close() {
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}
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func (m *md5Wrapper) Close() {
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if m.Hash != nil {
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m.Reset()
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md5Pool.Put(m.Hash)
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m.Hash = nil
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}
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}
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