/
hash.go
37 lines (30 loc) · 1.02 KB
/
hash.go
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/*
Copyright Suzhou Tongji Fintech Research Institute 2017 All Rights Reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package gm
import (
"hash"
"github.com/jxu86/fabric-gm/bccsp"
)
//todo:国密:增加gm
//定义hasher 结构体,实现内部的一个 Hasher 接口
type hasher struct {
hash func() hash.Hash
}
func (c *hasher) Hash(msg []byte, opts bccsp.HashOpts) (hash []byte, err error) {
h := c.hash()
h.Write(msg)
return h.Sum(nil), nil
}
func (c *hasher) GetHash(opts bccsp.HashOpts) (h hash.Hash, err error) {
return c.hash(), nil
}