krb5_c_random_os_entropy - Collect entropy from the OS if possible. — MIT Kerberos Documentation

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# krb5_c_random_os_entropy - Collect entropy from the OS if possible.

krb5_error_code `krb5_c_random_os_entropy`(krb5_context context, int strong, int * success)

param: | [in] context - Library context [in] strong - Strongest available source of entropy [out] success - 1 if OS provides entropy, 0 otherwise

retval: | 0 Success; otherwise - Kerberos error codes

If strong is non-zero, this function attempts to use the strongest available source of entropy. Setting this flag may cause the function to block on some operating systems. Good uses include seeding the PRNG for kadmind and realm setup.