1 /* 2 Copyright The Rekor Authors. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package signer 18 19 import ( 20 "crypto" 21 "crypto/elliptic" 22 "crypto/rand" 23 24 "github.com/sigstore/sigstore/pkg/signature" 25 ) 26 27 const MemoryScheme = "memory" 28 29 // returns an in-memory signer and verify, used for spinning up local instances 30 type Memory struct { 31 signature.ECDSASignerVerifier 32 } 33 34 func NewMemory() (*Memory, error) { 35 // generate a keypair 36 sv, _, err := signature.NewECDSASignerVerifier(elliptic.P256(), rand.Reader, crypto.SHA256) 37 if err != nil { 38 return nil, err 39 } 40 return &Memory{ 41 ECDSASignerVerifier: *sv, 42 }, nil 43 } 44