Initial QSfera import

Server/vendor/github.com/crewjam/saml/xmlenc/fuzz.go

@@ -0,0 +1,49 @@
+package xmlenc
+
+import (
+	"crypto/rsa"
+	"crypto/x509"
+	"encoding/pem"
+
+	"github.com/beevik/etree"
+)
+
+var testKey = func() *rsa.PrivateKey {
+	const keyStr = `-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----`
+	b, _ := pem.Decode([]byte(keyStr))
+	k, err := x509.ParsePKCS1PrivateKey(b.Bytes)
+	if err != nil {
+		panic(err)
+	}
+	return k
+}()
+
+// Fuzz is the go-fuzz fuzzing function
+func Fuzz(data []byte) int {
+	doc := etree.NewDocument()
+	if err := doc.ReadFromBytes(data); err != nil {
+		return 0
+	}
+	if doc.Root() == nil {
+		return 0
+	}
+
+	if _, err := Decrypt(testKey, doc.Root()); err != nil {
+		return 0
+	}
+	return 1
+}