[bignum-fuzzer] Mbed TLS no longer has an mbed-crypto submodule
Mbed TLS has gone back to being self-contained, without a separate
submodule for the cryptography part of the library. Revert the
bignum-fuzzer build scripts accordingly.
This reverts commit 54733ddc84.
* [bignum-fuzzer] Clone Mbed TLS recursively
The cryptography library of Mbed TLS has been moved to a separate
repository. It is now included into the project as a git submodule and
therefore we need to clone Mbed TLS recursively.
* [bignum-fuzzer] Use new Mbed TLS library location
The bignum module in Mbed TLS as part of the cryptography library has
been moved to a new location. This commit sets the corresponding paths
to their new values.
* [cryptofuzz] EverCrypt: Don't explicitly allow AVX instructions
Recent crashes involving EverCrypt were found to be caused by
AVX instructions in the EverCrypt library. The Makefile explicitly
allowed the use of AVX instructions via hardcoded CFLAGS. The authors
have released a new version that should resolve this problem.
* [cryptofuzz, bignum-fuzzer] Revert to default OpenSSL build method
Reverts the workaround for OpenSSL broken build script, which is
now fixed.
* [cryptofuzz] Compile with -D_GLIBCXX_DEBUG (runtime C++ UB checks)
This activates assert()s across the library that might help to detect
issues that other safeguards (sanitizers, differential testing)
aren't capable of.
Guido Vranken