package mirage-crypto-rng

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A cryptographically secure PRNG

Install

Dune Dependency

github.com Readme Changelog ISC License Edit opam file Versions (6)

Authors

Maintainers

H

Hannes Mehnert <hannes@mehnert.org>

Sources

mirage-crypto-1.2.0.tbz

sha256=09542bcd96c1d368ff9ba8853105f4c1781d8c94c2400df9f3ac0610ee07e67e

sha512=1b31c9df0ce774c87a36f714db4ea1f295bc1e2e317d30497523ec03564cace0f64ac4c535aa83c82792aa3331a92efe774e4c3300a6ffe09110ce0efc2ce24b

doc/mirage-crypto-rng.unix/Mirage_crypto_rng_unix/index.html

Module `Mirage_crypto_rng_unix`Source

RNG seeding on Unix.

This module initializes a Fortuna RNG with getrandom(), and CPU RNG. On BSD systems (FreeBSD, OpenBSD, macOS) getentropy () is used instead of getrandom (). On Windows 10 or higher, BCryptGenRandom() is used with the default RNG. Windows 8 or lower are not supported by this library.

Sourceval initialize : ?g:'a -> 'a Mirage_crypto_rng.generator -> unit

initialize ~g rng will bring the RNG into a working state.

deprecated Use 'Mirage_crypto_rng_unix.use_default ()' instead.

Sourceval getrandom : int -> string

getrandom size returns a buffer of size filled with random bytes.

Sourcemodule Urandom : Mirage_crypto_rng.Generator

A generator that opens /dev/urandom and reads from that file descriptor data whenever random data is needed. The file descriptor is closed in at_exit.

Sourcemodule Getentropy : Mirage_crypto_rng.Generator

A generator using getrandom(3) on Linux, getentropy(3) on BSD and macOS, and BCryptGenRandom() on Windows.

Sourceval use_default : unit -> unit

use_default () initializes the RNG Mirage_crypto_rng.default_generator with a sensible default, at the moment using Getentropy.

Sourceval use_dev_urandom : unit -> unit

use_dev_random () initializes the RNG Mirage_crypto_rng.default_generator with the Urandom generator. This raises an exception if "/dev/urandom" cannot be opened.

Sourceval use_getentropy : unit -> unit

use_getentropy () initializes the RNG Mirage_crypto_rng.default_generator with the Getentropy generator.