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(* Read /dev/urandom.
* Copyright (C) 2013 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*)
(** Read and return N bytes (only) from /dev/urandom. *)
val urandom_bytes : int -> string
(** Read N bytes from /dev/urandom and return it as a binary string. *)
val urandom_uniform : int -> string -> string
(** [urandom_uniform n chars] returns [n] bytes, uniformly
distributed from the sets of characters [chars]. *)
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