CONFIG_CRYPTO_SHA256: SHA-224 and SHA-256

General informations

The Linux kernel configuration item CONFIG_CRYPTO_SHA256 has multiple definitions:

SHA-224 and SHA-256 found in crypto/Kconfig

The configuration item CONFIG_CRYPTO_SHA256:

• prompt: SHA-224 and SHA-256
• type: tristate
• depends on: (none)
• defined in crypto/Kconfig
• found in Linux kernels: 6.1–6.8, 6.9-rc+HEAD
• modules built: sha256, sha256_generic

Help text

SHA-224 and SHA-256 secure hash algorithms (FIPS 180, ISO/IEC 10118-3)

This is required for IPsec AH (XFRM_AH) and IPsec ESP (XFRM_ESP). Used by the btrfs filesystem, Ceph, NFS, and SMB.

SHA224 and SHA256 digest algorithm found in crypto/Kconfig

The configuration item CONFIG_CRYPTO_SHA256:

• prompt: SHA224 and SHA256 digest algorithm
• type: tristate
• depends on: (none)
• defined in crypto/Kconfig
• found in Linux kernels: 2.6.25–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0, 6.0+HEAD
• modules built: sha256, sha256_generic

Help text

SHA256 secure hash standard (DFIPS 180-2).

This version of SHA implements a 256 bit hash with 128 bits of security against collision attacks.

This code also includes SHA-224, a 224 bit hash with 112 bits of security against collision attacks.

SHA256 digest algorithm found in crypto/Kconfig

The configuration item CONFIG_CRYPTO_SHA256:

• prompt: SHA256 digest algorithm
• type: tristate
• depends on: (none)
• defined in crypto/Kconfig
• found in Linux kernels: 2.5.47–2.5.75, 2.6.0–2.6.24
• modules built: sha256, sha256_generic

Help text

SHA256 secure hash standard (DFIPS 180-2).

This version of SHA implements a 256 bit hash with 128 bits of security against collision attacks.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module sha256 CONFIG_CRYPTO_SHA256 : crypto/Kconfig : "SHA256 digest algorithm" # in 2.5.47–2.5.75, 2.6.0–2.6.23
• lkddb module sha256_generic CONFIG_CRYPTO_SHA256 : crypto/Kconfig : "SHA-224 and SHA-256" # in 2.6.24–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.8, 6.9-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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