RC4: switch to pluggable crypto

1 files changed, 17 insertions, 0 deletions

diff --git a/libqpdf/QPDFCrypto_native.cc b/libqpdf/QPDFCrypto_native.cc
index 1ee73782..a6ccee9b 100644
--- a/libqpdf/QPDFCrypto_native.cc
+++ b/libqpdf/QPDFCrypto_native.cc
@@ -25,3 +25,20 @@ QPDFCrypto_native::MD5_digest(MD5_Digest d)
     this->md5->digest(d);
 }
 
+void
+QPDFCrypto_native::RC4_init(unsigned char const* key_data, int key_len)
+{
+    this->rc4 = std::make_shared<RC4_native>(key_data, key_len);
+}
+
+void
+QPDFCrypto_native::RC4_process(unsigned char* in_data, size_t len,
+                               unsigned char* out_data)
+{
+    this->rc4->process(in_data, len, out_data);
+}
+
+void
+QPDFCrypto_native::RC4_finalize()
+{
+}