yaole
33 lines
499 B
Go
33 lines
499 B
Go
package pbkd
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import "xdx.jelly/xgcl/mac"
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type prfer interface {
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prf(data []byte) ([]byte, error)
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hLen() int64
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}
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const hmacSm3TagSize = 32
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type hmacSm3 struct {
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m mac.MAC
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}
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func newPrfHmacSm3(key []byte) prfer {
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for i := len(key); i < 16; i++ {
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key = append(key, 0)
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}
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m, _ := mac.NewHMacSm3(key, hmacSm3TagSize)
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return &hmacSm3{
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m: m,
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}
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}
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func (h *hmacSm3) prf(data []byte) ([]byte, error) {
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return h.m.ComputeMAC(data)
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}
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func (h *hmacSm3) hLen() int64 {
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return hmacSm3TagSize
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}
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