CONFIG_IMA_KEYRINGS_PERMIT_SIGNED_BY_BUILTIN_OR_SECONDARY: Permit keys validly signed by a built-in, machine (if configured) or secondary

General informations

The Linux kernel configuration item CONFIG_IMA_KEYRINGS_PERMIT_SIGNED_BY_BUILTIN_OR_SECONDARY has multiple definitions:

Permit keys validly signed by a built-in, machine (if configured) or secondary found in security/integrity/ima/Kconfig

The configuration item CONFIG_IMA_KEYRINGS_PERMIT_SIGNED_BY_BUILTIN_OR_SECONDARY:

• prompt: Permit keys validly signed by a built-in, machine (if configured) or secondary
• type: bool
• depends on: ( CONFIG_SYSTEM_TRUSTED_KEYRING ) && ( CONFIG_SECONDARY_TRUSTED_KEYRING ) && ( CONFIG_INTEGRITY_ASYMMETRIC_KEYS )
• defined in security/integrity/ima/Kconfig
• found in Linux kernels: 6.8–6.14, 6.15-rc+HEAD

Help text

Keys may be added to the IMA or IMA blacklist keyrings, if the key is validly signed by a CA cert in the system built-in, machine (if configured), or secondary trusted keyrings. The key must also have the digitalSignature usage set.

Intermediate keys between those the kernel has compiled in and the IMA keys to be added may be added to the system secondary keyring, provided they are validly signed by a key already resident in the built-in, machine (if configured) or secondary trusted keyrings.

Permit keys validly signed by a built-in or secondary CA cert (EXPERIMENTAL) found in security/integrity/ima/Kconfig

The configuration item CONFIG_IMA_KEYRINGS_PERMIT_SIGNED_BY_BUILTIN_OR_SECONDARY:

• prompt: Permit keys validly signed by a built-in or secondary CA cert (EXPERIMENTAL)
• type: bool
• depends on: ( CONFIG_SYSTEM_TRUSTED_KEYRING ) && ( CONFIG_SECONDARY_TRUSTED_KEYRING ) && ( CONFIG_INTEGRITY_ASYMMETRIC_KEYS )
• defined in security/integrity/ima/Kconfig
• found in Linux kernels: 4.7–4.20, 5.0–5.19, 6.0–6.7

Help text

Keys may be added to the IMA or IMA blacklist keyrings, if the key is validly signed by a CA cert in the system built-in or secondary trusted keyrings. The key must also have the digitalSignature usage set.

Intermediate keys between those the kernel has compiled in and the IMA keys to be added may be added to the system secondary keyring, provided they are validly signed by a key already resident in the built-in or secondary trusted keyrings.

Hardware

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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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