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- Graphene itself is licensed under the LGPL.
- Graphene on an SGX host requires a kernel driver (in
- Pal/src/host/Linux-SGX/sgx-driver), which is separately licensed under
- the GPL.
- Graphene also includes the following third party sources (and licenses):
- mbedtls crypto libraries - Apache 2.0
- RSA's MD5 algorithm (LibOS/shim/src/utils/md5.c) - RSA custom attribution license
- Internet Software Consortium (permissive license): Pal/lib/network/inet_pton.c
- MIT JOS (mix of MIT and BSD licenses:
- * Pal/lib/stdlib/printfmt.c
- A number of files taken from other C libraries:
- * musl - MIT
- * glibc - LGPL
- ** clone, sysdeps.h (and variants) used in code
- ** Pal/src/host/Linux/clone-x86_64.S
- ** LibOS/shim/include/elf.h
- ** LibOS/shim/src/elf/ - basically the whole directory, and most code related to linking and loading (e.g., Pal/src/db_rtld.c)
- ** Pal/include/elf/elf.h
- ** Pal/include/sysdeps/generic/ldsodefs.h
- ** Pal/include/sysdeps/generic/memcopy.h
- ** Pal/include/sysdeps/generic/sysdep.h
- ** Pal/lib/network/hton.c
- ** Pal/lib/string/ - the whole directory
- ** Pal/src/dynamic_link.h, do-rel.h , dl-machine-x86_64.h
- ** Pal/src/host/Linux/gettimeofday-x86_64.S
- ** Pal/src/host/Linux/include/ - whole directory - for signal API definitions
- ** We also build a patched glibc, but this could be moved into a separate repo
- Some app and benchmark sources are redistributed under
- LibOS/shim/test/apps. These will be migrated to subrepositories, as
- needed, and should be considered separate projects, subject to their
- original licenses.
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