CONFIG_CRYPTO_CRC32C: CRC32c

General informations

The Linux kernel configuration item CONFIG_CRYPTO_CRC32C has multiple definitions:

CRC32c found in crypto/Kconfig

The configuration item CONFIG_CRYPTO_CRC32C:

• prompt: CRC32c
• type: tristate
• depends on: (none)
• defined in crypto/Kconfig
• found in Linux kernels: 6.1–6.12, 6.13-rc+HEAD
• modules built: crc32c, crc32c_generic

Help text

CRC32c CRC algorithm with the iSCSI polynomial (RFC 3385 and RFC 3720)

A 32-bit CRC (cyclic redundancy check) with a polynomial defined by G. Castagnoli, S. Braeuer and M. Herrman in "Optimization of Cyclic Redundancy-Check Codes with 24 and 32 Parity Bits", IEEE Transactions on Communications, Vol. 41, No. 6, June 1993, selected for use with iSCSI.

Used by btrfs, ext4, jbd2, NVMeoF/TCP, and iSCSI.

CRC32c CRC algorithm found in crypto/Kconfig

The configuration item CONFIG_CRYPTO_CRC32C:

• prompt: CRC32c CRC algorithm
• type: tristate
• depends on: (none)
• defined in crypto/Kconfig
• found in Linux kernels: 2.6.6–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0, 6.0+HEAD
• modules built: crc32c, crc32c_generic

Help text

Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used by iSCSI for header and data digests and by others. See Castagnoli93. Module will be crc32c.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module crc32c CONFIG_CRYPTO_CRC32C : crypto/Kconfig : "CRC32c CRC algorithm" # in 2.6.6–2.6.39, 3.0–3.14
• lkddb module crc32c_generic CONFIG_CRYPTO_CRC32C : crypto/Kconfig : "CRC32c" # in 3.15–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12, 6.13-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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