47 lines
658 B
Go
47 lines
658 B
Go
package sm3
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import (
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"hash"
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gmsm3 "github.com/emmansun/gmsm/sm3"
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)
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type SM3 struct {
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h hash.Hash
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}
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func New() hash.Hash {
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s := &SM3{}
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s.Reset()
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return s
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}
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func (sm3 *SM3) BlockSize() int { return gmsm3.BlockSize }
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func (sm3 *SM3) Size() int { return gmsm3.Size }
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func (sm3 *SM3) Reset() {
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sm3.h = gmsm3.New()
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}
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func (sm3 *SM3) Write(p []byte) (int, error) {
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if sm3.h == nil {
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sm3.Reset()
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}
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return sm3.h.Write(p)
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}
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func (sm3 *SM3) Sum(in []byte) []byte {
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if sm3.h == nil {
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sm3.Reset()
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}
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return sm3.h.Sum(in)
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}
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func Sm3Sum(data []byte) []byte {
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sum := gmsm3.Sum(data)
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out := make([]byte, len(sum))
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copy(out, sum[:])
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return out
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}
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