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openssl-3-fix-state-handling-sha3_absorb_s390x....
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File openssl-3-fix-state-handling-sha3_absorb_s390x.patch of Package openssl-3
commit 7aa45b8bb3269e881d0378aa785ff344efdd2897 Author: Holger Dengler <dengler@linux.ibm.com> Date: Wed Sep 27 15:36:23 2023 +0200 Fix state handling of sha3_absorb for s390x. The digest life-cycle state diagram has been updated for XOF. Fix the state handling in s390x_sha3_aborb() 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) Index: openssl-3.2.3/providers/implementations/digests/sha3_prov.c =================================================================== --- openssl-3.2.3.orig/providers/implementations/digests/sha3_prov.c +++ openssl-3.2.3/providers/implementations/digests/sha3_prov.c @@ -188,6 +188,10 @@ static size_t s390x_sha3_absorb(void *vc KECCAK1600_CTX *ctx = vctx; size_t rem = len % ctx->block_size; + if (!(ctx->xof_state == XOF_STATE_INIT || + ctx->xof_state == XOF_STATE_ABSORB)) + return 0; + ctx->xof_state = XOF_STATE_ABSORB; s390x_kimd(inp, len - rem, ctx->pad, ctx->A); return rem; }
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