18 lines
898 B
Text
18 lines
898 B
Text
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# PRNG seeder daemon
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# Started from early init, maintains a FIPS approved DRBG which it periodically reseeds from
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# /dev/hw_random. When BoringSSL (libcrypto) in other processes needs seeding data for its
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# internal DRBGs it will connect to /dev/socket/prng_seeder and the daemon will write a
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# fixed size block of entropy then disconnect. No other IO is performed.
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typeattribute prng_seeder coredomain;
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# mlstrustedsubject required in order to allow connections from trusted app domains.
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typeattribute prng_seeder mlstrustedsubject;
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type prng_seeder_exec, system_file_type, exec_type, file_type;
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init_daemon_domain(prng_seeder)
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# Socket open and listen are performed by init.
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allow prng_seeder prng_seeder:unix_stream_socket { read write getattr accept };
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allow prng_seeder hw_random_device:chr_file { read open };
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allow prng_seeder kmsg_debug_device:chr_file { w_file_perms getattr ioctl };
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