| |
| # Copyright 2015-2023 Rivoreo |
| |
| # Permission is hereby granted, free of charge, to any person obtaining a copy |
| # of this software and associated documentation files (the "Software"), to |
| # deal in the Software without restriction, including without limitation the |
| # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| # sell copies of the Software, and to permit persons to whom the Software is |
| # furnished to do so, subject to the following conditions: |
| |
| # The above copyright notice and this permission notice shall be included in |
| # all copies or substantial portions of the Software. |
| |
| # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| # COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| # WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR |
| # IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| # SOFTWARE. |
| |
| |
| get_encrypted_byte_count() { |
| [ -f "$1" ] || return |
| value="`wc -c < \"$1\" 2> /dev/null`" |
| } |
| |
| _encrypt_history() { |
| hexdump -v -e '1/1 "%02x\n"' | xtea_ctr_crypt "$1" %03o\\n $2 $3 | while read -r n; do printf "\\$n"; done |
| } |
| |
| _decrypt_history() { |
| hexdump -v -e '1/1 "%02x\n"' | xtea_ctr_crypt "$1" %03o\\n 0 | while read -r n; do printf "\\$n"; done |
| } |