1 files changed, 46 insertions, 0 deletions
diff --git a/src/modules/filters/cipherfil.cpp b/src/modules/filters/cipherfil.cpp
new file mode 100644
index 0000000..24c665e
--- /dev/null
+++ b/src/modules/filters/cipherfil.cpp
@@ -0,0 +1,46 @@
+/******************************************************************************
+ *
+ * cipherfil -	SWFilter descendant to decipher a module
+ */
+
+
+#include <stdlib.h>
+#include <cipherfil.h>
+#include <swcipher.h>
+#include <swbuf.h>
+
+SWORD_NAMESPACE_START
+
+CipherFilter::CipherFilter(const char *key) {
+	cipher = new SWCipher((unsigned char *)key);
+}
+
+
+CipherFilter::~CipherFilter() {
+	delete cipher;
+}
+
+
+SWCipher *CipherFilter::getCipher() {
+	return cipher;
+}
+
+
+char CipherFilter::processText(SWBuf &text, const SWKey *key, const SWModule *module) {
+	if (text.length() > 2) { //check if it's large enough to substract 2 in the next step.
+		unsigned long len = text.length();
+		if (!key) {	// hack, using key to determine encipher, or decipher
+			cipher->cipherBuf(&len, text.getRawData()); //set buffer to enciphered text
+			memcpy(text.getRawData(), cipher->Buf(), len);
+//			text = cipher->Buf(); //get the deciphered buffer
+		}
+		else if ((unsigned long)key == 1) {
+			cipher->Buf(text.getRawData(), len);
+			memcpy(text.getRawData(), cipher->cipherBuf(&len), len);
+//			text = cipher->cipherBuf(&len);
+		}
+	}
+	return 0;
+}
+
+SWORD_NAMESPACE_END