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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 authenticode
import (
"context"
"crypto"
"github.com/sassoftware/relic/v7/lib/certloader"
"github.com/sassoftware/relic/v7/lib/comdoc"
"github.com/sassoftware/relic/v7/lib/pkcs9"
)
// Create the Authenticode structure for a MSI file signature using a previously-calculated digest (imprint).
func SignMSIImprint(ctx context.Context, digest []byte, hash crypto.Hash, cert *certloader.Certificate, params *OpusParams) (*pkcs9.TimestampedSignature, error) {
return SignSip(ctx, digest, hash, msiSipInfo, cert, params)
}
// Add a signature blob to an open MSI file. The extended signature blob is
// added or updated if provided, or deleted if nil.
func InsertMSISignature(cdf *comdoc.ComDoc, pkcs, exsig []byte) error {
if len(exsig) > 0 {
if err := cdf.AddFile(msiDigitalSignatureEx, exsig); err != nil {
return err
}
} else {
if err := cdf.DeleteFile(msiDigitalSignatureEx); err != nil {
return err
}
}
return cdf.AddFile(msiDigitalSignature, pkcs)
}
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