Merge #17753: util: Don't allow Base32/64-decoding or ParseMoney(…) on strings with embedded NUL characters. Add tests.

137c80d579502e329964d7d1028a9507d4667774 tests: Add tests for decoding/parsing of base32, base64 and money strings containing NUL characters (practicalswift)
a6fc26da55dea3b76bd89fbbca24ded170238674 util: Don't allow DecodeBase32(...) of strings with embedded NUL characters (practicalswift)
93cc18b0f6fa5fa8144079a4f51904d8b3087e94 util: Don't allow DecodeBase64(...) of strings with embedded NUL characters (practicalswift)
ccc53e43c5464058171d6291da861a88184b230e util: Don't allow ParseMoney(...) of strings with embedded NUL characters (practicalswift)

Pull request description:

  Don't allow Base32/64-decoding or `ParseMoney(…)` on strings with embedded `NUL` characters. Add tests.

  Added tests before:

  ```
  $ src/test/test_bitcoin
  Running 385 test cases...
  test/base32_tests.cpp(31): error: in "base32_tests/base32_testvectors":
      check failure == true has failed [false != true]
  test/base64_tests.cpp(31): error: in "base64_tests/base64_testvectors":
      check failure == true has failed [false != true]
  test/util_tests.cpp(1074): error: in "util_tests/util_ParseMoney":
      check !ParseMoney(std::string("\0-1", 3), ret) has failed
  test/util_tests.cpp(1076): error: in "util_tests/util_ParseMoney":
      check !ParseMoney(std::string("1\0", 2), ret) has failed

  *** 4 failures are detected in the test module "Bitcoin Core Test Suite"
  ```

  Added tests after:

  ```
  $ src/test/test_bitcoin
  Running 385 test cases...

  *** No errors detected
  ```

ACKs for top commit:
  laanwj:
    Code review ACK 137c80d579502e329964d7d1028a9507d4667774

Tree-SHA512: 9486a0d32b4cf686bf5a47a0778338ac571fa39c66ad6d6d6cede58ec798e87bb50a2f9b7fd79ecd1fef1ba284e4073c1b430110967073ff87bdbbde7cada447

0 files changed, 0 insertions, 0 deletions