Merge pull request #7203 from TomSweeneyRedHat/dev/tsweeney/bump_buildah

Bump to Buildah 1.16.0-dev in upstream

1 files changed, 69 insertions, 0 deletions

diff --git a/vendor/go.mozilla.org/pkcs7/README.md b/vendor/go.mozilla.org/pkcs7/README.md
new file mode 100644
index 000000000..bf37059c5
--- /dev/null
+++ b/vendor/go.mozilla.org/pkcs7/README.md
@@ -0,0 +1,69 @@
+# pkcs7
+
+[![GoDoc](https://godoc.org/go.mozilla.org/pkcs7?status.svg)](https://godoc.org/go.mozilla.org/pkcs7)
+[![Build Status](https://travis-ci.org/mozilla-services/pkcs7.svg?branch=master)](https://travis-ci.org/mozilla-services/pkcs7)
+
+pkcs7 implements parsing and creating signed and enveloped messages.
+
+```go
+package main
+
+import (
+	"bytes"
+	"crypto/rsa"
+	"crypto/x509"
+	"encoding/pem"
+	"fmt"
+	"os"
+
+    "go.mozilla.org/pkcs7"
+)
+
+func SignAndDetach(content []byte, cert *x509.Certificate, privkey *rsa.PrivateKey) (signed []byte, err error) {
+	toBeSigned, err := NewSignedData(content)
+	if err != nil {
+		err = fmt.Errorf("Cannot initialize signed data: %s", err)
+		return
+	}
+	if err = toBeSigned.AddSigner(cert, privkey, SignerInfoConfig{}); err != nil {
+		err = fmt.Errorf("Cannot add signer: %s", err)
+		return
+	}
+
+	// Detach signature, omit if you want an embedded signature
+	toBeSigned.Detach()
+
+	signed, err = toBeSigned.Finish()
+	if err != nil {
+		err = fmt.Errorf("Cannot finish signing data: %s", err)
+		return
+	}
+
+	// Verify the signature
+	pem.Encode(os.Stdout, &pem.Block{Type: "PKCS7", Bytes: signed})
+	p7, err := pkcs7.Parse(signed)
+	if err != nil {
+		err = fmt.Errorf("Cannot parse our signed data: %s", err)
+		return
+	}
+
+	// since the signature was detached, reattach the content here
+	p7.Content = content
+
+	if bytes.Compare(content, p7.Content) != 0 {
+		err = fmt.Errorf("Our content was not in the parsed data:\n\tExpected: %s\n\tActual: %s", content, p7.Content)
+		return
+	}
+	if err = p7.Verify(); err != nil {
+		err = fmt.Errorf("Cannot verify our signed data: %s", err)
+		return
+	}
+
+	return signed, nil
+}
+```
+
+
+
+## Credits
+This is a fork of [fullsailor/pkcs7](https://github.com/fullsailor/pkcs7)