Fix state handling of sha3_final for s390x.

The digest life-cycle state diagram has been updated for XOF. Fix the
state handling in s390x_sha3_final() according to the updated state
diagram.

Signed-off-by: Holger Dengler <dengler@linux.ibm.com>

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Todd Short <todd.short@me.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22221)
This commit is contained in:
Holger Dengler 2023-09-27 15:36:59 +02:00
parent 7aa45b8bb3
commit 017acc58f6
1 changed files with 4 additions and 0 deletions

View File

@ -202,6 +202,10 @@ static int s390x_sha3_final(void *vctx, unsigned char *out, size_t outlen)
if (!ossl_prov_is_running())
return 0;
if (!(ctx->xof_state == XOF_STATE_INIT ||
ctx->xof_state == XOF_STATE_ABSORB))
return 0;
ctx->xof_state = XOF_STATE_FINAL;
s390x_klmd(ctx->buf, ctx->bufsz, NULL, 0, ctx->pad, ctx->A);
memcpy(out, ctx->A, outlen);
return 1;