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provider.go
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/
provider.go
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/*
* Copyright 2019 Insolar Technologies
*
* 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 hash
import (
"github.com/insolar/insolar/core"
"golang.org/x/crypto/sha3"
)
type sha3Provider struct{}
func NewSHA3Provider() AlgorithmProvider {
return &sha3Provider{}
}
func (*sha3Provider) Hash224bits() core.Hasher {
return &hashWrapper{
hash: sha3.New224(),
sumFunc: func(b []byte) []byte {
s := sha3.Sum224(b)
return s[:]
},
}
}
func (*sha3Provider) Hash256bits() core.Hasher {
return &hashWrapper{
hash: sha3.New256(),
sumFunc: func(b []byte) []byte {
s := sha3.Sum256(b)
return s[:]
},
}
}
func (*sha3Provider) Hash512bits() core.Hasher {
return &hashWrapper{
hash: sha3.New512(),
sumFunc: func(b []byte) []byte {
s := sha3.Sum512(b)
return s[:]
},
}
}