CONFIG_CRYPTO_AES_S390: Ciphers: AES, modes: ECB, CBC, CTR, XTS, GCM

General informations

The Linux kernel configuration item CONFIG_CRYPTO_AES_S390 has multiple definitions:

Ciphers: AES, modes: ECB, CBC, CTR, XTS, GCM found in arch/s390/crypto/Kconfig

The configuration item CONFIG_CRYPTO_AES_S390:

• prompt: Ciphers: AES, modes: ECB, CBC, CTR, XTS, GCM
• type: tristate
• depends on: (none)
• defined in arch/s390/crypto/Kconfig
• found in Linux kernels: 6.1–6.17, 6.18-rc+HEAD
• modules built: aes_s390, aes_s390, aes_s390, paes_s390

Help text

Block cipher: AES cipher algorithms (FIPS 197) AEAD cipher: AES with GCM Length-preserving ciphers: AES with ECB, CBC, XTS, and CTR modes

Architecture: s390

As of z9 the ECB and CBC modes are hardware accelerated for 128 bit keys.

As of z10 the ECB and CBC modes are hardware accelerated for all AES key sizes.

As of z196 the CTR mode is hardware accelerated for all AES key sizes and XTS mode is hardware accelerated for 256 and 512 bit keys.

AES cipher algorithms found in crypto/Kconfig

The configuration item CONFIG_CRYPTO_AES_S390:

• prompt: AES cipher algorithms
• type: tristate
• depends on: CONFIG_S390
• defined in crypto/Kconfig
• found in Linux kernels: 5.19, 6.0, 6.0+HEAD
• modules built: aes_s390, aes_s390, aes_s390, paes_s390

Help text

This is the s390 hardware accelerated implementation of the AES cipher algorithms (FIPS-197).

As of z9 the ECB and CBC modes are hardware accelerated for 128 bit keys. As of z10 the ECB and CBC modes are hardware accelerated for all AES key sizes. As of z196 the CTR mode is hardware accelerated for all AES key sizes and XTS mode is hardware accelerated for 256 and 512 bit keys.

AES cipher algorithms found in drivers/crypto/Kconfig

The configuration item CONFIG_CRYPTO_AES_S390:

• prompt: AES cipher algorithms
• type: tristate
• depends on: CONFIG_S390
• defined in drivers/crypto/Kconfig
• found in Linux kernels: 2.6.25–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.18, 5.19-rc+HEAD
• modules built: aes_s390, aes_s390, aes_s390, paes_s390

Help text

This is the s390 hardware accelerated implementation of the AES cipher algorithms (FIPS-197).

As of z9 the ECB and CBC modes are hardware accelerated for 128 bit keys. As of z10 the ECB and CBC modes are hardware accelerated for all AES key sizes. As of z196 the CTR mode is hardware accelerated for all AES key sizes and XTS mode is hardware accelerated for 256 and 512 bit keys.

AES cipher algorithms found in arch/s390/crypto/Kconfig

The configuration item CONFIG_CRYPTO_AES_S390:

• prompt: AES cipher algorithms
• type: tristate
• depends on: CONFIG_S390
• defined in arch/s390/crypto/Kconfig
• found in Linux kernels: 2.6.21–2.6.24
• modules built: aes_s390, aes_s390, aes_s390, paes_s390

Help text

This is the s390 hardware accelerated implementation of the AES cipher algorithms (FIPS-197). AES uses the Rijndael algorithm.

Rijndael appears to be consistently a very good performer in both hardware and software across a wide range of computing environments regardless of its use in feedback or non-feedback modes. Its key setup time is excellent, and its key agility is good. Rijndael's very low memory requirements make it very well suited for restricted-space environments, in which it also demonstrates excellent performance. Rijndael's operations are among the easiest to defend against power and timing attacks.

On s390 the System z9-109 currently only supports the key size of 128 bit.

AES cipher algorithms (s390) found in crypto/Kconfig

The configuration item CONFIG_CRYPTO_AES_S390:

• prompt: AES cipher algorithms (s390)
• type: tristate
• depends on: CONFIG_S390
• defined in crypto/Kconfig
• found in Linux kernels: 2.6.16–2.6.20
• modules built: aes_s390, aes_s390, aes_s390, paes_s390

Help text

This is the s390 hardware accelerated implementation of the AES cipher algorithms (FIPS-197). AES uses the Rijndael algorithm.

Rijndael appears to be consistently a very good performer in both hardware and software across a wide range of computing environments regardless of its use in feedback or non-feedback modes. Its key setup time is excellent, and its key agility is good. Rijndael's very low memory requirements make it very well suited for restricted-space environments, in which it also demonstrates excellent performance. Rijndael's operations are among the easiest to defend against power and timing attacks.

On s390 the System z9-109 currently only supports the key size of 128 bit.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module aes_s390 CONFIG_CRYPTO_AES_S390 : arch/s390/crypto/Kconfig : "Ciphers: AES, modes: ECB, CBC, CTR, XTS, GCM" # in 2.6.21–2.6.24, 6.1–6.17, 6.18-rc+HEAD
• lkddb module aes_s390 CONFIG_CRYPTO_AES_S390 : crypto/Kconfig : "AES cipher algorithms" # in 2.6.16–2.6.20, 5.19, 6.0, 6.0+HEAD
• lkddb module aes_s390 CONFIG_CRYPTO_AES_S390 : drivers/crypto/Kconfig : "AES cipher algorithms" # in 2.6.25–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.18, 5.19-rc+HEAD
• lkddb module paes_s390 CONFIG_CRYPTO_AES_S390 : drivers/crypto/Kconfig : "AES cipher algorithms" # in 4.11–4.12

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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