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-rw-r--r--mysql/extra/yassl/taocrypt/src/coding.cpp266
1 files changed, 0 insertions, 266 deletions
diff --git a/mysql/extra/yassl/taocrypt/src/coding.cpp b/mysql/extra/yassl/taocrypt/src/coding.cpp
deleted file mode 100644
index bc4727c..0000000
--- a/mysql/extra/yassl/taocrypt/src/coding.cpp
+++ /dev/null
@@ -1,266 +0,0 @@
-/*
- Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; version 2 of the License.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
- MA 02110-1301 USA.
-*/
-
-/* coding.cpp implements hex and base64 encoding/decoing
-*/
-
-#include "runtime.hpp"
-#include "coding.hpp"
-#include "file.hpp"
-
-
-namespace TaoCrypt {
-
-
-namespace { // locals
-
-const byte bad = 0xFF; // invalid encoding
-
-const byte hexEncode[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
- 'A', 'B', 'C', 'D', 'E', 'F'
- };
-
-const byte hexDecode[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
- bad, bad, bad, bad, bad, bad, bad,
- 10, 11, 12, 13, 14, 15
- }; // A starts at 0x41 not 0x3A
-
-
-const byte base64Encode[] = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J',
- 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
- 'U', 'V', 'W', 'X', 'Y', 'Z',
- 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
- 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't',
- 'u', 'v', 'w', 'x', 'y', 'z',
- '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
- '+', '/'
- };
-
-const byte base64Decode[] = { 62, bad, bad, bad, 63, // + starts at 0x2B
- 52, 53, 54, 55, 56, 57, 58, 59, 60, 61,
- bad, bad, bad, bad, bad, bad, bad,
- 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
- 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
- 20, 21, 22, 23, 24, 25,
- bad, bad, bad, bad, bad, bad,
- 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
- 36, 37, 38, 39, 40, 41, 42, 43, 44, 45,
- 46, 47, 48, 49, 50, 51
- };
-
-const byte pad = '=';
-const int pemLineSz = 64;
-
-} // local namespace
-
-
-// Hex Encode
-void HexEncoder::Encode()
-{
- word32 bytes = plain_.size();
- encoded_.New(bytes * 2);
-
- word32 i = 0;
-
- while (bytes--) {
- byte p = plain_.next();
-
- byte b = p >> 4;
- byte b2 = p & 0xF;
-
- encoded_[i++] = hexEncode[b];
- encoded_[i++] = hexEncode[b2];
- }
-
- plain_.reset(encoded_);
-}
-
-
-// Hex Decode
-void HexDecoder::Decode()
-{
- word32 bytes = coded_.size();
- decoded_.New(bytes / 2);
-
- word32 i(0);
-
- while (bytes) {
- byte b = coded_.next() - 0x30; // 0 starts at 0x30
- byte b2 = coded_.next() - 0x30;
-
- // sanity checks
- if (b >= sizeof(hexDecode)/sizeof(hexDecode[0])) {
- coded_.SetError(PEM_E);
- return;
- }
- if (b2 >= sizeof(hexDecode)/sizeof(hexDecode[0])) {
- coded_.SetError(PEM_E);
- return;
- }
-
- b = hexDecode[b];
- b2 = hexDecode[b2];
-
- decoded_[i++] = (b << 4) | b2;
- bytes -= 2;
- }
-
- coded_.reset(decoded_);
-}
-
-
-// Base 64 Encode
-void Base64Encoder::Encode()
-{
- word32 bytes = plain_.size();
- word32 outSz = (bytes + 3 - 1) / 3 * 4;
-
- outSz += (outSz + pemLineSz - 1) / pemLineSz; // new lines
- encoded_.New(outSz);
-
- word32 i = 0;
- word32 j = 0;
-
- while (bytes > 2) {
- byte b1 = plain_.next();
- byte b2 = plain_.next();
- byte b3 = plain_.next();
-
- // encoded idx
- byte e1 = b1 >> 2;
- byte e2 = ((b1 & 0x3) << 4) | (b2 >> 4);
- byte e3 = ((b2 & 0xF) << 2) | (b3 >> 6);
- byte e4 = b3 & 0x3F;
-
- // store
- encoded_[i++] = base64Encode[e1];
- encoded_[i++] = base64Encode[e2];
- encoded_[i++] = base64Encode[e3];
- encoded_[i++] = base64Encode[e4];
-
- bytes -= 3;
-
- if ((++j % 16) == 0 && bytes)
- encoded_[i++] = '\n';
- }
-
- // last integral
- if (bytes) {
- bool twoBytes = (bytes == 2);
-
- byte b1 = plain_.next();
- byte b2 = (twoBytes) ? plain_.next() : 0;
-
- byte e1 = b1 >> 2;
- byte e2 = ((b1 & 0x3) << 4) | (b2 >> 4);
- byte e3 = (b2 & 0xF) << 2;
-
- encoded_[i++] = base64Encode[e1];
- encoded_[i++] = base64Encode[e2];
- encoded_[i++] = (twoBytes) ? base64Encode[e3] : pad;
- encoded_[i++] = pad;
- }
-
- encoded_[i++] = '\n';
-
- if (i == outSz)
- plain_.reset(encoded_);
-}
-
-
-// Base 64 Decode
-void Base64Decoder::Decode()
-{
- word32 bytes = coded_.size();
- word32 plainSz = bytes - ((bytes + (pemLineSz - 1)) / pemLineSz);
- const byte maxIdx = (byte)sizeof(base64Decode) + 0x2B - 1;
- plainSz = ((plainSz * 3) / 4) + 3;
- decoded_.New(plainSz);
-
- word32 i = 0;
- word32 j = 0;
-
- while (bytes > 3) {
- byte e1 = coded_.next();
- byte e2 = coded_.next();
- byte e3 = coded_.next();
- byte e4 = coded_.next();
-
- if (e1 == 0) // end file 0's
- break;
-
- bool pad3 = false;
- bool pad4 = false;
- if (e3 == pad)
- pad3 = true;
- if (e4 == pad)
- pad4 = true;
-
- if (e1 < 0x2B || e2 < 0x2B || e3 < 0x2B || e4 < 0x2B) {
- coded_.SetError(PEM_E);
- return;
- }
-
- if (e1 > maxIdx || e2 > maxIdx || e3 > maxIdx || e4 > maxIdx) {
- coded_.SetError(PEM_E);
- return;
- }
-
- e1 = base64Decode[e1 - 0x2B];
- e2 = base64Decode[e2 - 0x2B];
- e3 = (e3 == pad) ? 0 : base64Decode[e3 - 0x2B];
- e4 = (e4 == pad) ? 0 : base64Decode[e4 - 0x2B];
-
- byte b1 = (e1 << 2) | (e2 >> 4);
- byte b2 = ((e2 & 0xF) << 4) | (e3 >> 2);
- byte b3 = ((e3 & 0x3) << 6) | e4;
-
- decoded_[i++] = b1;
- if (!pad3)
- decoded_[i++] = b2;
- if (!pad4)
- decoded_[i++] = b3;
- else
- break;
-
- bytes -= 4;
- if ((++j % 16) == 0) {
- byte endLine = coded_.next();
- bytes--;
- while (endLine == ' ') { // remove possible whitespace
- endLine = coded_.next();
- bytes--;
- }
- if (endLine == '\r') {
- endLine = coded_.next();
- bytes--;
- }
- if (endLine != '\n') {
- coded_.SetError(PEM_E);
- return;
- }
- }
- }
-
- if (i != decoded_.size())
- decoded_.resize(i);
- coded_.reset(decoded_);
-}
-
-
-} // namespace
generated by cgit v1.1 at 2024-04-19 01:31:24 +0000