pkg/libb2: blake2s doesn't work on AVR #12168
Description
Description
Function blake2s returns a wrong hash value on AVR architecture. The problem was found when testing PR #12135
Steps to reproduce the issue
Flash tests/pkg_libb2 on an Arduino Mega2560 board and test it.
make BOARD=arduino-mega2560 -C tests/pkg_libb2 PORT=/dev/ttyUSB0 flash term
Expected results
The test should succeed with following output:
This is RIOT! (Version: 2019.10-devel-556-g93fa4)
..
OK (2 tests)
Actual results
The test fails with following output:
This is RIOT! (Version: 2019.10-devel-556-g93fa4)
.
2019-09-04 14:19:43,660 - INFO # blake2_tests.test_blake2s (tests/pkg_libb2/main.c 56) memcmp(b2s, hash, sizeof hash) == 0
.