RC4: switch to pluggable crypto

1 files changed, 16 insertions, 0 deletions

diff --git a/libqpdf/RC4.cc b/libqpdf/RC4.cc
new file mode 100644
index 00000000..ae16f7f0
--- /dev/null
+++ b/libqpdf/RC4.cc
@@ -0,0 +1,16 @@
+#include <qpdf/RC4.hh>
+#include <qpdf/QPDFCryptoProvider.hh>
+
+#include <string.h>
+
+RC4::RC4(unsigned char const* key_data, int key_len) :
+    crypto(QPDFCryptoProvider::getImpl())
+{
+    this->crypto->RC4_init(key_data, key_len);
+}
+
+void
+RC4::process(unsigned char *in_data, size_t len, unsigned char* out_data)
+{
+    this->crypto->RC4_process(in_data, len, out_data);
+}