CONFIG_CRYPTO_USER_API_HASH: Hash algorithms (deprecated)

General informations

The Linux kernel configuration item CONFIG_CRYPTO_USER_API_HASH has multiple definitions:

Hash algorithms (deprecated) found in crypto/Kconfig

The configuration item CONFIG_CRYPTO_USER_API_HASH:

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

Help text

Enable the AF_ALG userspace interface for hash algorithms. This provides unprivileged userspace programs access to arbitrary hash 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.

Enable this only if needed for support for a program that hasn't yet been converted to userspace crypto, for example iwd.

See also Documentation/crypto/userspace-if.rst

Hash algorithms found in crypto/Kconfig

The configuration item CONFIG_CRYPTO_USER_API_HASH:

• prompt: Hash 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_hash

Help text

Enable the userspace interface for hash algorithms.

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

User-space interface for hash algorithms found in crypto/Kconfig

The configuration item CONFIG_CRYPTO_USER_API_HASH:

• prompt: User-space interface for hash algorithms
• type: tristate
• depends on: CONFIG_NET
• defined in crypto/Kconfig
• found in Linux kernels: 2.6.38–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0, 6.0+HEAD
• modules built: algif_hash

Help text

This option enables the user-spaces interface for hash algorithms.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module algif_hash CONFIG_CRYPTO_USER_API_HASH : crypto/Kconfig : "Hash algorithms (deprecated)" # in 2.6.38–2.6.39, 3.0–3.19, 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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