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sks_darwin.go
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sks_darwin.go
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// Package sks implements the Secure Key Store for Go
// Copyright (c) Facebook, Inc. and its affiliates.
//
// 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 sks
import (
"fmt"
"github.com/facebookincubator/sks/attest"
"github.com/facebookincubator/sks/macos"
)
// genKeyPair creates a key with the given label and tag potentially
// needing biometric authentication. Returns public key raw data.
func genKeyPair(label, tag string, useBiometrics, accessibleWhenUnlockedOnly bool) ([]byte, error) {
res, err := macos.GenKeyPair(label, tag, useBiometrics, accessibleWhenUnlockedOnly)
if err != nil {
return nil, fmt.Errorf(ErrGenKeyPair, label, tag, err)
}
return res, nil
}
// signWithKey signs arbitrary data pointed to by data with the key described by
// label and tag. Returns the signed data.
// hash is the SHA1 of the key. Can be nil
func signWithKey(label, tag string, hash, data []byte) ([]byte, error) {
res, err := macos.SignWithKey(label, tag, hash, data)
if err != nil {
return nil, fmt.Errorf(ErrSignWithKey, label, tag, err)
}
return res, nil
}
// findPubKey returns the raw public key described by label and tag
// hash is the SHA1 of the key. Can be nil
func findPubKey(label, tag string, hash []byte) ([]byte, error) {
res, err := macos.FindPubKey(label, tag, hash)
if err != nil {
return nil, fmt.Errorf(ErrFindPubKey, label, tag, err)
}
return res, nil
}
// removeKey tries to delete a key identified by label, tag and hash.
// hash is the SHA1 of the key. Can be nil
// If hash is nil then all the keys that match the label and tag specified will
// be deleted.
// Returns true if the key was found and deleted successfully
func removeKey(label, tag string, hash []byte) (bool, error) {
res, err := macos.RemoveKey(label, tag, hash)
if err != nil {
return false, fmt.Errorf(ErrRemoveKey, label, tag, err)
}
return res, nil
}
func getSecureHardwareVendorData() (*attest.SecureHardwareVendorData, error) {
return nil, fmt.Errorf(ErrNotImplemented, "getSecureHardwareVendorData")
}
func attestKey(label, tag string, attestor attest.Attestor) (*attest.Resp, error) {
return nil, fmt.Errorf(ErrNotImplemented, "attestKey")
}