diff options
Diffstat (limited to 'src/codec/base64/base64.cpp')
| -rw-r--r-- | src/codec/base64/base64.cpp | 88 |
1 files changed, 45 insertions, 43 deletions
diff --git a/src/codec/base64/base64.cpp b/src/codec/base64/base64.cpp index b1a802376..dfcc1cae7 100644 --- a/src/codec/base64/base64.cpp +++ b/src/codec/base64/base64.cpp @@ -1,7 +1,9 @@ -/************************************************* -* Base64 Encoder/Decoder Source File * -* (C) 1999-2007 Jack Lloyd * -*************************************************/ +/* +* Base64 Encoder/Decoder +* (C) 1999-2007 Jack Lloyd +* +* Distributed under the terms of the Botan license +*/ #include <botan/base64.h> #include <botan/charset.h> @@ -10,9 +12,9 @@ namespace Botan { -/************************************************* -* Base64_Encoder Constructor * -*************************************************/ +/* +* Base64_Encoder Constructor +*/ Base64_Encoder::Base64_Encoder(bool breaks, u32bit length, bool t_n) : line_length(breaks ? length : 0), trailing_newline(t_n) { @@ -22,9 +24,9 @@ Base64_Encoder::Base64_Encoder(bool breaks, u32bit length, bool t_n) : counter = position = 0; } -/************************************************* -* Base64 Encoding Operation * -*************************************************/ +/* +* Base64 Encoding Operation +*/ void Base64_Encoder::encode(const byte in[3], byte out[4]) { out[0] = BIN_TO_BASE64[((in[0] & 0xFC) >> 2)]; @@ -33,9 +35,9 @@ void Base64_Encoder::encode(const byte in[3], byte out[4]) out[3] = BIN_TO_BASE64[((in[2] & 0x3F) )]; } -/************************************************* -* Encode and send a block * -*************************************************/ +/* +* Encode and send a block +*/ void Base64_Encoder::encode_and_send(const byte block[], u32bit length) { for(u32bit j = 0; j != length; j += 3) @@ -45,9 +47,9 @@ void Base64_Encoder::encode_and_send(const byte block[], u32bit length) } } -/************************************************* -* Handle the output * -*************************************************/ +/* +* Handle the output +*/ void Base64_Encoder::do_output(const byte input[], u32bit length) { if(line_length == 0) @@ -71,9 +73,9 @@ void Base64_Encoder::do_output(const byte input[], u32bit length) } } -/************************************************* -* Convert some data into Base64 * -*************************************************/ +/* +* Convert some data into Base64 +*/ void Base64_Encoder::write(const byte input[], u32bit length) { in.copy(position, input, length); @@ -94,9 +96,9 @@ void Base64_Encoder::write(const byte input[], u32bit length) position += length; } -/************************************************* -* Flush buffers * -*************************************************/ +/* +* Flush buffers +*/ void Base64_Encoder::end_msg() { u32bit start_of_last_block = 3 * (position / 3), @@ -125,9 +127,9 @@ void Base64_Encoder::end_msg() counter = position = 0; } -/************************************************* -* Base64_Decoder Constructor * -*************************************************/ +/* +* Base64_Decoder Constructor +*/ Base64_Decoder::Base64_Decoder(Decoder_Checking c) : checking(c) { in.create(48); @@ -135,17 +137,17 @@ Base64_Decoder::Base64_Decoder(Decoder_Checking c) : checking(c) position = 0; } -/************************************************* -* Check if a character is a valid Base64 char * -*************************************************/ +/* +* Check if a character is a valid Base64 char +*/ bool Base64_Decoder::is_valid(byte in) { return (BASE64_TO_BIN[in] != 0x80); } -/************************************************* -* Base64 Decoding Operation * -*************************************************/ +/* +* Base64 Decoding Operation +*/ void Base64_Decoder::decode(const byte in[4], byte out[3]) { out[0] = ((BASE64_TO_BIN[in[0]] << 2) | (BASE64_TO_BIN[in[1]] >> 4)); @@ -153,9 +155,9 @@ void Base64_Decoder::decode(const byte in[4], byte out[3]) out[2] = ((BASE64_TO_BIN[in[2]] << 6) | (BASE64_TO_BIN[in[3]])); } -/************************************************* -* Decode and send a block * -*************************************************/ +/* +* Decode and send a block +*/ void Base64_Decoder::decode_and_send(const byte block[], u32bit length) { for(u32bit j = 0; j != length; j += 4) @@ -165,9 +167,9 @@ void Base64_Decoder::decode_and_send(const byte block[], u32bit length) } } -/************************************************* -* Handle processing an invalid character * -*************************************************/ +/* +* Handle processing an invalid character +*/ void Base64_Decoder::handle_bad_char(byte c) { if(c == '=' || checking == NONE) @@ -182,9 +184,9 @@ void Base64_Decoder::handle_bad_char(byte c) ); } -/************************************************* -* Convert some data from Base64 * -*************************************************/ +/* +* Convert some data from Base64 +*/ void Base64_Decoder::write(const byte input[], u32bit length) { for(u32bit j = 0; j != length; ++j) @@ -202,9 +204,9 @@ void Base64_Decoder::write(const byte input[], u32bit length) } } -/************************************************* -* Flush buffers * -*************************************************/ +/* +* Flush buffers +*/ void Base64_Decoder::end_msg() { if(position != 0) |