1 files changed, 38 insertions, 0 deletions

diff --git a/lib/cryptopp/base32.h b/lib/cryptopp/base32.h
new file mode 100644
index 000000000..cb1e1af8d
--- /dev/null
+++ b/lib/cryptopp/base32.h
@@ -0,0 +1,38 @@
+#ifndef CRYPTOPP_BASE32_H
+#define CRYPTOPP_BASE32_H
+
+#include "basecode.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+//! Converts given data to base 32, the default code is based on draft-ietf-idn-dude-02.txt
+/*! To specify alternative code, call Initialize() with EncodingLookupArray parameter. */
+class Base32Encoder : public SimpleProxyFilter
+{
+public:
+	Base32Encoder(BufferedTransformation *attachment = NULL, bool uppercase = true, int outputGroupSize = 0, const std::string &separator = ":", const std::string &terminator = "")
+		: SimpleProxyFilter(new BaseN_Encoder(new Grouper), attachment)
+	{
+		IsolatedInitialize(MakeParameters(Name::Uppercase(), uppercase)(Name::GroupSize(), outputGroupSize)(Name::Separator(), ConstByteArrayParameter(separator)));
+	}
+
+	void IsolatedInitialize(const NameValuePairs &parameters);
+};
+
+//! Decode base 32 data back to bytes, the default code is based on draft-ietf-idn-dude-02.txt
+/*! To specify alternative code, call Initialize() with DecodingLookupArray parameter. */
+class Base32Decoder : public BaseN_Decoder
+{
+public:
+	Base32Decoder(BufferedTransformation *attachment = NULL)
+		: BaseN_Decoder(GetDefaultDecodingLookupArray(), 5, attachment) {}
+
+	void IsolatedInitialize(const NameValuePairs &parameters);
+
+private:
+	static const int * CRYPTOPP_API GetDefaultDecodingLookupArray();
+};
+
+NAMESPACE_END
+
+#endif