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46 lines
751 B
Go
46 lines
751 B
Go
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package utils
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import (
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"crypto/md5"
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"encoding/hex"
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)
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// HashType warps hash array inside struct
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// someday can change to other hash algorithm simply
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type HashType struct {
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md5 [md5.Size]byte // MD5
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}
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func MakeHash(data []byte) HashType {
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return HashType{md5.Sum(data)}
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}
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func MakeHashFromBytes(hashBytes []byte) (h HashType) {
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if len(hashBytes) != md5.Size {
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return
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}
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copy(h.md5[:], hashBytes)
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return
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}
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func (h HashType) Equal(hash HashType) bool {
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return h.md5 == hash.md5
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}
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func (h HashType) Bytes() []byte {
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return h.md5[:]
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}
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func (h HashType) String() string {
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return hex.EncodeToString(h.Bytes())
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}
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func (h HashType) Len() int {
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return len(h.md5)
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}
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func (h HashType) IsValid() bool {
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var zero HashType
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return h != zero
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}
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