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//
// Copyright (c) SAS Institute Inc.
//
// 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 token
import (
"context"
"crypto"
"crypto/x509"
"fmt"
"io"
"github.com/sassoftware/relic/v7/config"
)
type KeyType uint
const (
// Values match CKK_RSA etc.
KeyTypeRsa KeyType = 0
KeyTypeEcdsa KeyType = 3
)
type Token interface {
io.Closer
// Check that the token is still alive
Ping(ctx context.Context) error
// Return the token config object used to instantiate this token
Config() *config.TokenConfig
// Get a key from the token by its config alias
GetKey(ctx context.Context, keyName string) (Key, error)
// Import a public+private keypair into the token
Import(keyName string, privKey crypto.PrivateKey) (Key, error)
// Import an issuer certificate into the token. The new object label will
// be labelBase plus the fingerprint of the certificate.
ImportCertificate(cert *x509.Certificate, labelBase string) error
// Generate a new key in the token
Generate(keyName string, keyType KeyType, bits uint) (Key, error)
// Print key info
ListKeys(opts ListOptions) error
}
type Key interface {
crypto.Signer
SignContext(context.Context, []byte, crypto.SignerOpts) ([]byte, error)
// Return the key config object used to instantiate this key
Config() *config.KeyConfig
// Return the X509 certificate chain stored in the token, if any
Certificate() []byte
// Get the CKK_ID or equivalent for the key
GetID() []byte
// Import a leaf certificate for this key
ImportCertificate(cert *x509.Certificate) error
}
type ListOptions struct {
// Destination stream
Output io.Writer
// Filter by attributes
Label string
ID string
// Print key and certificate contents
Values bool
}
type NotImplementedError struct {
Op, Type string
}
func (e NotImplementedError) Error() string {
return fmt.Sprintf("operation %s not implemented for tokens of type %s", e.Op, e.Type)
}
type KeyUsageError struct {
Key string
Err error
}
func (e KeyUsageError) Error() string {
return fmt.Sprintf("key %q: %+v", e.Key, e.Err)
}
func (e KeyUsageError) Unwrap() error {
return e.Err
}
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