LibSodium.Bindings.Random

A collection of functions for securely generating unpredictable data. This uses the best option on each platform, as follows:

• On Windows, RtlGenRandom.
• On FreeBSD and Linux, getrandom syscall.
• On other UNIX platforms, /dev/urandom.

Documentation

randombytesRandom :: IO Word32

Produces an unpredictable four-byte value.

See: randombytes_random()

Since: 0.0.1.0

randombytesUniform

Arguments

:: Word32

upper limit (exclusive)

-> IO Word32

Produces an unpredictable four-byte value not larger than the argument. This function guarantees a uniform distribution on results, even if the upper limit is not a power of 2.

See: randombytes_uniform()

Since: 0.0.1.0

randombytesBuf

Arguments

:: Ptr Word8

Out-parameter to fill

-> CSize

How many bytes to generate

-> IO ()

No meaningful return value

Fills a buffer of the given size with unpredictable bytes.

See: randombytes_buf()

Since: 0.0.1.0