53 lines
1.3 KiB
Go
53 lines
1.3 KiB
Go
/*
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Copyright IBM Corp. 2017 All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package sw
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import (
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"crypto/ecdsa"
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"crypto/elliptic"
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"crypto/rand"
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"fmt"
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"github.com/hyperledger/fabric/bccsp"
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)
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type ecdsaKeyGenerator struct {
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curve elliptic.Curve
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}
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func (kg *ecdsaKeyGenerator) KeyGen(opts bccsp.KeyGenOpts) (bccsp.Key, error) {
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privKey, err := ecdsa.GenerateKey(kg.curve, rand.Reader)
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if err != nil {
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return nil, fmt.Errorf("Failed generating ECDSA key for [%v]: [%s]", kg.curve, err)
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}
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return &ecdsaPrivateKey{privKey}, nil
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}
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type aesKeyGenerator struct {
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length int
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}
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func (kg *aesKeyGenerator) KeyGen(opts bccsp.KeyGenOpts) (bccsp.Key, error) {
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lowLevelKey, err := GetRandomBytes(int(kg.length))
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if err != nil {
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return nil, fmt.Errorf("Failed generating AES %d key [%s]", kg.length, err)
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}
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return &aesPrivateKey{lowLevelKey, false}, nil
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}
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