CONFIG_CRYPTO_USER_API_RNG: Random number generation algorithms (deprecated)

General informations

The Linux kernel configuration item CONFIG_CRYPTO_USER_API_RNG has multiple definitions:

Random number generation algorithms (deprecated) found in crypto/Kconfig

The configuration item CONFIG_CRYPTO_USER_API_RNG:

• prompt: Random number generation algorithms (deprecated)
• type: tristate
• depends on: CONFIG_NET
• defined in crypto/Kconfig
• found in Linux kernels: 7.2-rc+HEAD
• modules built: algif_rng

Help text

Enable the AF_ALG userspace interface for random number generation (RNG) algorithms. This provides unprivileged userspace programs access to arbitrary RNG algorithms implemented in the kernel's privileged execution context.

This interface is deprecated and is supported only for backwards compatibility. It regularly has vulnerabilities, and the capabilities it provides are redundant with userspace crypto libraries as well as the normal kernel RNG (e.g., /dev/urandom and getrandom(2)).

See also Documentation/crypto/userspace-if.rst

RNG (random number generator) algorithms found in crypto/Kconfig

The configuration item CONFIG_CRYPTO_USER_API_RNG:

• prompt: RNG (random number generator) algorithms
• type: tristate
• depends on: CONFIG_NET
• defined in crypto/Kconfig
• found in Linux kernels: 6.1–6.19, 7.0–7.1
• modules built: algif_rng

Help text

Enable the userspace interface for RNG (random number generator) algorithms.

See Documentation/crypto/userspace-if.rst and https://www.chronox.de/libkcapi/html/index.html

User-space interface for random number generator algorithms found in crypto/Kconfig

The configuration item CONFIG_CRYPTO_USER_API_RNG:

• prompt: User-space interface for random number generator algorithms
• type: tristate
• depends on: CONFIG_NET
• defined in crypto/Kconfig
• found in Linux kernels: 4.0–4.20, 5.0–5.19, 6.0, 6.0+HEAD
• modules built: algif_rng

Help text

This option enables the user-spaces interface for random number generator algorithms.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module algif_rng CONFIG_CRYPTO_USER_API_RNG : crypto/Kconfig : "Random number generation algorithms (deprecated)" # in 4.0–4.20, 5.0–5.19, 6.0–6.19, 7.0–7.1, 7.2-rc+HEAD

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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