diff options
Diffstat (limited to 'doc')
-rw-r--r-- | doc/man3/RAND_add.pod | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/doc/man3/RAND_add.pod b/doc/man3/RAND_add.pod index 1b06d1be87..b6753fd2ed 100644 --- a/doc/man3/RAND_add.pod +++ b/doc/man3/RAND_add.pod @@ -2,7 +2,8 @@ =head1 NAME -RAND_add, RAND_poll, RAND_seed, RAND_status, RAND_event, RAND_screen +RAND_add, RAND_poll, RAND_seed, RAND_status, RAND_event, RAND_screen, +RAND_keep_random_devices_open - add randomness to the PRNG or get its status =head1 SYNOPSIS @@ -15,6 +16,8 @@ RAND_add, RAND_poll, RAND_seed, RAND_status, RAND_event, RAND_screen void RAND_add(const void *buf, int num, double randomness); void RAND_seed(const void *buf, int num); + void RAND_keep_random_devices_open(int keep); + Deprecated: #if OPENSSL_API_COMPAT < 0x10100000L @@ -54,6 +57,15 @@ should consider using L<RAND_load_file(3)> instead. RAND_seed() is equivalent to RAND_add() with B<randomness> set to B<num>. +RAND_keep_random_devices_open() is used to control file descriptor +usage by the random seed sources. Some seed sources maintain open file +descriptors by default, which allows such sources to operate in a +chroot(2) jail without the associated device nodes being available. When +the B<keep> argument is zero, this call disables the retention of file +descriptors. Conversely, a non-zero argument enables the retention of +file descriptors. This function is usually called during initialization +and it takes effect immediately. + RAND_event() and RAND_screen() are equivalent to RAND_poll() and exist for compatibility reasons only. See HISTORY section below. |