CONFIG_CRYPTO_OFB: OFB support

General informations

The Linux kernel configuration item CONFIG_CRYPTO_OFB:

• prompt: OFB support
• type: tristate
• depends on: (none)
• defined in crypto/Kconfig
• found in Linux kernels: 4.20, 5.0–5.10, 5.11-rc+HEAD
• modules built: ofb

Help text

OFB: the Output Feedback mode makes a block cipher into a synchronous stream cipher. It generates keystream blocks, which are then XORed with the plaintext blocks to get the ciphertext. Flipping a bit in the ciphertext produces a flipped bit in the plaintext at the same location. This property allows many error correcting codes to function normally even when applied before encryption.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module ofb CONFIG_CRYPTO_OFB : crypto/Kconfig : "OFB support" # in 4.20, 5.0–5.10, 5.11-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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