diff options
Diffstat (limited to 'arch/s390/crypto/Kconfig')
| -rw-r--r-- | arch/s390/crypto/Kconfig | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/arch/s390/crypto/Kconfig b/arch/s390/crypto/Kconfig index 04cc3a6467ab..06ee706b0d78 100644 --- a/arch/s390/crypto/Kconfig +++ b/arch/s390/crypto/Kconfig @@ -81,44 +81,54 @@ config CRYPTO_GHASH_S390 It is available as of z196. config CRYPTO_AES_S390 - tristate "AES cipher algorithms" + tristate "Ciphers: AES, modes: ECB, CBC, CTR, XTS, GCM" depends on S390 select CRYPTO_ALGAPI select CRYPTO_SKCIPHER help - This is the s390 hardware accelerated implementation of the - AES cipher algorithms (FIPS-197). + 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. config CRYPTO_DES_S390 - tristate "DES and Triple DES cipher algorithms" + tristate "Ciphers: DES and Triple DES EDE, modes: ECB, CBC, CTR" depends on S390 select CRYPTO_ALGAPI select CRYPTO_SKCIPHER select CRYPTO_LIB_DES help - This is the s390 hardware accelerated implementation of the - DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3). + Block ciphers: DES (FIPS 46-2) cipher algorithm + Block ciphers: Triple DES EDE (FIPS 46-3) cipher algorithm + Length-preserving ciphers: DES with ECB, CBC, and CTR modes + Length-preserving ciphers: Triple DES EDED with ECB, CBC, and CTR modes + + Architecture: s390 As of z990 the ECB and CBC mode are hardware accelerated. As of z196 the CTR mode is hardware accelerated. config CRYPTO_CHACHA_S390 - tristate "ChaCha20 stream cipher" + tristate "Ciphers: ChaCha20" depends on S390 select CRYPTO_SKCIPHER select CRYPTO_LIB_CHACHA_GENERIC select CRYPTO_ARCH_HAVE_LIB_CHACHA help - This is the s390 SIMD implementation of the ChaCha20 stream - cipher (RFC 7539). + Length-preserving cipher: ChaCha20 stream cipher (RFC 7539) + + Architecture: s390 It is available as of z13. |