diff options
Diffstat (limited to 'arch/s390/crypto/sha3_512_s390.c')
| -rw-r--r-- | arch/s390/crypto/sha3_512_s390.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/s390/crypto/sha3_512_s390.c b/arch/s390/crypto/sha3_512_s390.c index 06c142ed9bb1..07528fc98ff7 100644 --- a/arch/s390/crypto/sha3_512_s390.c +++ b/arch/s390/crypto/sha3_512_s390.c @@ -20,9 +20,11 @@ static int sha3_512_init(struct shash_desc *desc) { struct s390_sha_ctx *sctx = shash_desc_ctx(desc); - memset(sctx->state, 0, sizeof(sctx->state)); + if (!test_facility(86)) /* msa 12 */ + memset(sctx->state, 0, sizeof(sctx->state)); sctx->count = 0; sctx->func = CPACF_KIMD_SHA3_512; + sctx->first_message_part = 1; return 0; } @@ -37,6 +39,7 @@ static int sha3_512_export(struct shash_desc *desc, void *out) memcpy(octx->st, sctx->state, sizeof(octx->st)); memcpy(octx->buf, sctx->buf, sizeof(octx->buf)); + octx->partial = sctx->first_message_part; return 0; } @@ -52,6 +55,7 @@ static int sha3_512_import(struct shash_desc *desc, const void *in) memcpy(sctx->state, ictx->st, sizeof(ictx->st)); memcpy(sctx->buf, ictx->buf, sizeof(ictx->buf)); + sctx->first_message_part = ictx->partial; sctx->func = CPACF_KIMD_SHA3_512; return 0; @@ -68,6 +72,7 @@ static int sha3_384_import(struct shash_desc *desc, const void *in) memcpy(sctx->state, ictx->st, sizeof(ictx->st)); memcpy(sctx->buf, ictx->buf, sizeof(ictx->buf)); + sctx->first_message_part = ictx->partial; sctx->func = CPACF_KIMD_SHA3_384; return 0; @@ -97,9 +102,11 @@ static int sha3_384_init(struct shash_desc *desc) { struct s390_sha_ctx *sctx = shash_desc_ctx(desc); - memset(sctx->state, 0, sizeof(sctx->state)); + if (!test_facility(86)) /* msa 12 */ + memset(sctx->state, 0, sizeof(sctx->state)); sctx->count = 0; sctx->func = CPACF_KIMD_SHA3_384; + sctx->first_message_part = 1; return 0; } |