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/
tink.go
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/
tink.go
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// Copyright 2019 Google Inc. 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 testutil provides helper functions for tests.
package testutil
import (
"fmt"
"github.com/google/keytransparency/core/crypto/tinkio"
"github.com/google/tink/go/keyset"
"github.com/google/tink/go/signature"
"github.com/google/tink/go/testkeyset"
"github.com/google/tink/go/tink"
)
// VerifyKeysetFromPEMs produces a Keyset with pubPEMs.
func VerifyKeysetFromPEMs(pubPEMs ...string) *keyset.Handle {
handle, err := testkeyset.Read(&tinkio.ECDSAPEMKeyset{PEMs: pubPEMs})
if err != nil {
panic(fmt.Sprintf("insecure.KeysetHandle(): %v", err))
}
return handle
}
// SignKeysetsFromPEMs produces a slice of keysets, each with one private key.
func SignKeysetsFromPEMs(privPEMs ...string) []tink.Signer {
signers := make([]tink.Signer, 0, len(privPEMs))
for _, pem := range privPEMs {
if pem == "" {
continue
}
handle, err := testkeyset.Read(&tinkio.ECDSAPEMKeyset{PEMs: []string{pem}})
if err != nil {
panic(fmt.Sprintf("insecure.KeysetHandle(): %v", err))
}
signer, err := signature.NewSigner(handle)
if err != nil {
panic(fmt.Sprintf("testkeysethandle.NewSigner(): %v", err))
}
signers = append(signers, signer)
}
return signers
}