diff options
| author | Joerg Schmidbauer <jschmidb@de.ibm.com> | 2019-08-14 14:56:54 +0200 |
|---|---|---|
| committer | Heiko Carstens <heiko.carstens@de.ibm.com> | 2019-09-13 12:18:50 +0200 |
| commit | 3c2eb6b76cabb7d90834798d6455f7f3431fc989 (patch) | |
| tree | 92d5ec5f38d007b9f74bca75bfa4f3159e0f2fc0 /arch/s390/crypto/sha.h | |
| parent | 724dc336b79ff965bd5773257642685cf33ed9af (diff) | |
s390/crypto: Support for SHA3 via CPACF (MSA6)
This patch introduces sha3 support for s390.
- Rework the s390-specific SHA1 and SHA2 related code to
provide the basis for SHA3.
- Provide two new kernel modules sha3_256_s390 and
sha3_512_s390 together with new kernel options.
Signed-off-by: Joerg Schmidbauer <jschmidb@de.ibm.com>
Reviewed-by: Ingo Franzki <ifranzki@linux.ibm.com>
Reviewed-by: Harald Freudenberger <freude@linux.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'arch/s390/crypto/sha.h')
| -rw-r--r-- | arch/s390/crypto/sha.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/arch/s390/crypto/sha.h b/arch/s390/crypto/sha.h index d6f8258b44df..ada2f98c27b7 100644 --- a/arch/s390/crypto/sha.h +++ b/arch/s390/crypto/sha.h @@ -12,15 +12,17 @@ #include <linux/crypto.h> #include <crypto/sha.h> +#include <crypto/sha3.h> /* must be big enough for the largest SHA variant */ -#define SHA_MAX_STATE_SIZE (SHA512_DIGEST_SIZE / 4) -#define SHA_MAX_BLOCK_SIZE SHA512_BLOCK_SIZE +#define SHA3_STATE_SIZE 200 +#define CPACF_MAX_PARMBLOCK_SIZE SHA3_STATE_SIZE +#define SHA_MAX_BLOCK_SIZE SHA3_224_BLOCK_SIZE struct s390_sha_ctx { - u64 count; /* message length in bytes */ - u32 state[SHA_MAX_STATE_SIZE]; - u8 buf[2 * SHA_MAX_BLOCK_SIZE]; + u64 count; /* message length in bytes */ + u32 state[CPACF_MAX_PARMBLOCK_SIZE / sizeof(u32)]; + u8 buf[SHA_MAX_BLOCK_SIZE]; int func; /* KIMD function to use */ }; |