| #!/usr/local/bin/python3 |
| |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You 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. |
| to_hex_digit = { |
| 0: "0", |
| 1: "1", |
| 2: "2", |
| 3: "3", |
| 4: "4", |
| 5: "5", |
| 6: "6", |
| 7: "7", |
| 8: "8", |
| 9: "9", |
| 10: "a", |
| 11: "b", |
| 12: "c", |
| 13: "d", |
| 14: "e", |
| 15: "f", |
| } |
| |
| |
| def int_to_hex_string(intval): |
| byte3 = (intval & 0xFF000000) >> 24 |
| byte2 = (intval & 0xFF0000) >> 16 |
| byte1 = (intval & 0xFF00) >> 8 |
| byte0 = intval & 0xFF |
| return ( |
| decimal_string_to_hex_string(byte3) |
| + decimal_string_to_hex_string(byte2) |
| + decimal_string_to_hex_string(byte1) |
| + decimal_string_to_hex_string(byte0) |
| ) |
| |
| |
| def decimal_string_to_hex_string(byte): |
| high_nibble = int(int(byte) / 16) |
| low_nibble = int(byte) % 16 |
| return to_hex_digit[high_nibble] + to_hex_digit[low_nibble] |