Initial checkin1.5.6

1 files changed, 58 insertions, 0 deletions

diff --git a/include/base64.h b/include/base64.h
new file mode 100644
index 000000000..98b195e58
--- /dev/null
+++ b/include/base64.h
@@ -0,0 +1,58 @@
+/*************************************************
+* Base64 Encoder/Decoder Header File             *
+* (C) 1999-2006 The Botan Project                *
+*************************************************/
+
+#ifndef BOTAN_BASE64_H__
+#define BOTAN_BASE64_H__
+
+#include <botan/filter.h>
+
+namespace Botan {
+
+/*************************************************
+* Base64 Encoder                                 *
+*************************************************/
+class Base64_Encoder : public Filter
+   {
+   public:
+      static void encode(const byte[3], byte[4]);
+
+      void write(const byte[], u32bit);
+      void end_msg();
+      Base64_Encoder(bool = false, u32bit = 72);
+   private:
+      void encode_and_send(const byte[], u32bit);
+      void do_output(const byte[], u32bit);
+      static const byte BIN_TO_BASE64[64];
+
+      const u32bit line_length;
+      SecureVector<byte> in, out;
+      u32bit position, counter;
+   };
+
+/*************************************************
+* Base64 Decoder                                 *
+*************************************************/
+class Base64_Decoder : public Filter
+   {
+   public:
+      static void decode(const byte[4], byte[3]);
+      static bool is_valid(byte);
+
+      void write(const byte[], u32bit);
+      void end_msg();
+      Base64_Decoder(Decoder_Checking = NONE);
+   private:
+      void decode_and_send(const byte[], u32bit);
+      void handle_bad_char(byte);
+      static const byte BASE64_TO_BIN[256];
+
+      const Decoder_Checking checking;
+      SecureVector<byte> in, out;
+      u32bit position;
+   };
+
+}
+
+#endif