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Diffstat (limited to 'old/botan/build/botan/base64.h')
-rw-r--r-- | old/botan/build/botan/base64.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/old/botan/build/botan/base64.h b/old/botan/build/botan/base64.h new file mode 100644 index 0000000..aca02da --- /dev/null +++ b/old/botan/build/botan/base64.h @@ -0,0 +1,94 @@ +/* +* Base64 Encoder/Decoder +* (C) 1999-2007 Jack Lloyd +* +* Distributed under the terms of the Botan license +*/ + +#ifndef BOTAN_BASE64_H__ +#define BOTAN_BASE64_H__ + +#include <botan/filter.h> + +namespace Botan { + +/** +* This class represents a Base64 encoder. +*/ +class BOTAN_DLL Base64_Encoder : public Filter + { + public: + static void encode(const byte in[3], byte out[4]); + + /** + * Input a part of a message to the encoder. + * @param input the message to input as a byte array + * @param length the length of the byte array input + */ + void write(const byte input[], u32bit length); + + /** + * Inform the Encoder that the current message shall be closed. + */ + void end_msg(); + + /** + * Create a base64 encoder. + * @param breaks whether to use line breaks in the Streamcipheroutput + * @param length the length of the lines of the output + * @param t_n whether to use a trailing newline + */ + Base64_Encoder(bool breaks = false, u32bit length = 72, + bool t_n = false); + 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; + const bool trailing_newline; + SecureVector<byte> in, out; + u32bit position, counter; + }; + +/** +* This object represents a Base64 decoder. +*/ +class BOTAN_DLL Base64_Decoder : public Filter + { + public: + static void decode(const byte input[4], byte output[3]); + + static bool is_valid(byte); + + /** + * Input a part of a message to the decoder. + * @param input the message to input as a byte array + * @param length the length of the byte array input + */ + void write(const byte input[], u32bit length); + + /** + * Inform the Encoder that the current message shall be closed. + */ + void end_msg(); + + /** + * Create a base64 encoder. + * @param checking the type of checking that shall be performed by + * the decoder + */ + Base64_Decoder(Decoder_Checking 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 |