totp update

applications/plugins/totp/lib/base32/base32.c

@@ -1,95 +0,0 @@
-// Base32 implementation
-//
-// Copyright 2010 Google Inc.
-// Author: Markus Gutschke
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include <string.h>
-
-#include "base32.h"
-
-int base32_decode(const uint8_t *encoded, uint8_t *result, int bufSize) {
-  int buffer = 0;
-  int bitsLeft = 0;
-  int count = 0;
-  for (const uint8_t *ptr = encoded; count < bufSize && *ptr; ++ptr) {
-    uint8_t ch = *ptr;
-    if (ch == ' ' || ch == '\t' || ch == '\r' || ch == '\n' || ch == '-') {
-      continue;
-    }
-    buffer <<= 5;
-
-    // Deal with commonly mistyped characters
-    if (ch == '0') {
-      ch = 'O';
-    } else if (ch == '1') {
-      ch = 'L';
-    } else if (ch == '8') {
-      ch = 'B';
-    }
-
-    // Look up one base32 digit
-    if ((ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z')) {
-      ch = (ch & 0x1F) - 1;
-    } else if (ch >= '2' && ch <= '7') {
-      ch -= '2' - 26;
-    } else {
-      return -1;
-    }
-
-    buffer |= ch;
-    bitsLeft += 5;
-    if (bitsLeft >= 8) {
-      result[count++] = buffer >> (bitsLeft - 8);
-      bitsLeft -= 8;
-    }
-  }
-  if (count < bufSize) {
-    result[count] = '\000';
-  }
-  return count;
-}
-
-int base32_encode(const uint8_t *data, int length, uint8_t *result,
-                  int bufSize) {
-  if (length < 0 || length > (1 << 28)) {
-    return -1;
-  }
-  int count = 0;
-  if (length > 0) {
-    int buffer = data[0];
-    int next = 1;
-    int bitsLeft = 8;
-    while (count < bufSize && (bitsLeft > 0 || next < length)) {
-      if (bitsLeft < 5) {
-        if (next < length) {
-          buffer <<= 8;
-          buffer |= data[next++] & 0xFF;
-          bitsLeft += 8;
-        } else {
-          int pad = 5 - bitsLeft;
-          buffer <<= pad;
-          bitsLeft += pad;
-        }
-      }
-      int index = 0x1F & (buffer >> (bitsLeft - 5));
-      bitsLeft -= 5;
-      result[count++] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567"[index];
-    }
-  }
-  if (count < bufSize) {
-    result[count] = '\000';
-  }
-  return count;
-}