CONFIG_CRYPTO_CHACHA20_X86_64: Ciphers: ChaCha20, XChaCha20, XChaCha12 (SSSE3/AVX2/AVX-512VL)

General informations

The Linux kernel configuration item CONFIG_CRYPTO_CHACHA20_X86_64 has multiple definitions:

Ciphers: ChaCha20, XChaCha20, XChaCha12 (SSSE3/AVX2/AVX-512VL) found in arch/x86/crypto/Kconfig

The configuration item CONFIG_CRYPTO_CHACHA20_X86_64:

• prompt: Ciphers: ChaCha20, XChaCha20, XChaCha12 (SSSE3/AVX2/AVX-512VL)
• type: tristate
• depends on: CONFIG_X86 && CONFIG_64BIT
• defined in arch/x86/crypto/Kconfig
• found in Linux kernels: 6.1–6.8, 6.9-rc+HEAD
• modules built: chacha-x86_64, chacha-x86_64, chacha20-x86_64

Help text

Length-preserving ciphers: ChaCha20, XChaCha20, and XChaCha12 stream cipher algorithms

Architecture: x86_64 using: - SSSE3 (Supplemental SSE3) - AVX2 (Advanced Vector Extensions 2) - AVX-512VL (Advanced Vector Extensions-512VL)

ChaCha stream cipher algorithms (x86_64/SSSE3/AVX2/AVX-512VL) found in crypto/Kconfig

The configuration item CONFIG_CRYPTO_CHACHA20_X86_64:

• prompt: ChaCha stream cipher algorithms (x86_64/SSSE3/AVX2/AVX-512VL)
• type: tristate
• depends on: CONFIG_X86 && CONFIG_64BIT
• defined in crypto/Kconfig
• found in Linux kernels: 5.0–5.19, 6.0, 6.0+HEAD
• modules built: chacha-x86_64, chacha-x86_64, chacha20-x86_64

Help text

SSSE3, AVX2, and AVX-512VL optimized implementations of the ChaCha20, XChaCha20, and XChaCha12 stream ciphers.

ChaCha20 cipher algorithm (x86_64/SSSE3/AVX2) found in crypto/Kconfig

The configuration item CONFIG_CRYPTO_CHACHA20_X86_64:

• prompt: ChaCha20 cipher algorithm (x86_64/SSSE3/AVX2)
• type: tristate
• depends on: CONFIG_X86 && CONFIG_64BIT
• defined in crypto/Kconfig
• found in Linux kernels: 4.3–4.20
• modules built: chacha-x86_64, chacha-x86_64, chacha20-x86_64

Help text

ChaCha20 cipher algorithm, RFC7539.

ChaCha20 is a 256-bit high-speed stream cipher designed by Daniel J. Bernstein and further specified in RFC7539 for use in IETF protocols. This is the x86_64 assembler implementation using SIMD instructions.

See also: http://cr.yp.to/chacha/chacha-20080128.pdf

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module chacha-x86_64 CONFIG_CRYPTO_CHACHA20_X86_64 : arch/x86/crypto/Kconfig : "Ciphers: ChaCha20, XChaCha20, XChaCha12 (SSSE3/AVX2/AVX-512VL)" # in 6.1–6.8, 6.9-rc+HEAD
• lkddb module chacha-x86_64 CONFIG_CRYPTO_CHACHA20_X86_64 : crypto/Kconfig : "ChaCha stream cipher algorithms (x86_64/SSSE3/AVX2/AVX-512VL)" # in 5.0–5.19, 6.0, 6.0+HEAD
• lkddb module chacha20-x86_64 CONFIG_CRYPTO_CHACHA20_X86_64 : crypto/Kconfig : "ChaCha20 cipher algorithm (x86_64/SSSE3/AVX2)" # in 4.3–4.20

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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