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config CRYPTO_SHA1_S390

        tristate "SHA1 digest algorithm"

        depends on S390

        select CRYPTO_ALGAPI

        help

          This is the s390 hardware accelerated implementation of the

          SHA-1 secure hash standard (FIPS 180-1/DFIPS 180-2).

config CRYPTO_SHA256_S390

        tristate "SHA256 digest algorithm"

        depends on S390

        select CRYPTO_ALGAPI

        help

          This is the s390 hardware accelerated implementation of the

          SHA256 secure hash standard (DFIPS 180-2).

          This version of SHA implements a 256 bit hash with 128 bits of

          security against collision attacks.

config CRYPTO_DES_S390

        tristate "DES and Triple DES cipher algorithms"

        depends on S390

        select CRYPTO_ALGAPI

        select CRYPTO_BLKCIPHER

        help

          This us the s390 hardware accelerated implementation of the

          DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).

config CRYPTO_AES_S390

        tristate "AES cipher algorithms"

        depends on S390

        select CRYPTO_ALGAPI

        select CRYPTO_BLKCIPHER

        help

          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.

config S390_PRNG

        tristate "Pseudo random number generator device driver"

        depends on S390

        default "m"

        help

          Select this option if you want to use the s390 pseudo random number

          generator. The PRNG is part of the cryptographic processor functions

          and uses triple-DES to generate secure random numbers like the

          ANSI X9.17 standard. The PRNG is usable via the char device

          /dev/prandom.