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Commit Graph

7 Commits

Author SHA1 Message Date
RADICS Áron
467e9d1463
Tests for the CRC and hash algorithms (#335)
* Update TEST_ASSERT to do nothing if condition is true

The TEST_ASSERT should not return if the condition is true, because:
- it prevents the usage of multiple TEST_ASSERT in a single test case,
- that behavior differs from how the assert in the standard library
works, and thus may give unexpected results.

Make the TEST_ASSERT to print an error message (with an formatted
optional user part) when it fails to make debugging easier.

* Fix some bugs in TestProvider, add unit tests

Use pointer-to-vector in TestProvider so writes can be tested, too.

* Add test EncodeDecode16, fix some encode16 bugs

The function mbedtls_mpi_write_string needs a bit longer buffer than the
resulting string actually will be.

Known bug: mbedtls_mpi_read_binary ingores initial null bytes

* Add test EncodeDecode64, fix some bugs

The functions mbedtls_base64_encode and mbedtls_base64_decode needs a
bit longer buffer than the resulting string actually will be.

* Remove check for empty data from TestProvider

It can be valid to get the hash of empty string.

* Add tests for CRC calculation

Two type of thests:
- compare the result of the CRC calculation to a known to be good
results,
- generate random data as message, calculate of it's CRC and append that
to the message, the CRC of this new data should be 0.

* Add test for hash algorithms

* Add includes in tests

* Remove the use of C++20 ranges

It seems that Apple Clang does not support range-based constrained
algorithms at this time.

* Replace encode16 implementation

To encode the zero bytes at the begining of the input vector, too.
2021-11-26 22:14:44 +01:00
RADICS Áron
a6b8597f5a
Fix CRC and hash calculations (#321)
* Fix CRC calculation, add more CRC parameters

Use the Boost CRC module to calculate the CRC values.
Add options for final xor value, reflectIn and reflectOut.
Fixes #320

* Cleanup Hash view combo box, add CRC8

* Use offset/size consistently

* Cleanup: unify processing data by chunks

* Change CRC algorithm back, drop boost dependency

This is mostly the original algorithm, with a few fixes and small
additions (support for reflect In / Out, final XOR value).

* Use size_t for file read size consistently
2021-10-26 17:21:48 +02:00
WerWolv
4b40546750 views: Add simple pattern, library and magics store 2021-09-03 02:34:40 +02:00
WerWolv
a53cfaa63a sys: Make crypto wrapper compatible with mbedtls 2 and 3 2021-08-17 17:28:33 +02:00
WerWolv
179e222919 Fixed command palette and added /web command 2021-02-08 19:56:04 +01:00
WerWolv
91d05c5de6 Added AES decryption node 2021-02-04 00:21:53 +01:00
WerWolv
ac019a7d7e Fixed build on Unix, move crypto wrapper to libimhex 2021-02-03 11:54:41 +01:00