33 lines
1.2 KiB
Diff
33 lines
1.2 KiB
Diff
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commit 1337b50936ed190a98af1ee6601d857b42a3d296
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Author: Holger Dengler <dengler@linux.ibm.com>
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Date: Wed Sep 27 21:54:34 2023 +0200
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Add xof state handing for generic sha3 absorb.
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The digest life-cycle diagram specifies state transitions to `updated`
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(aka XOF_STATE_ABSORB) only from `initialised` and `updated`. Add this
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checking to the generic sha3 absorb implementation.
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Signed-off-by: Holger Dengler <dengler@linux.ibm.com>
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Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
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Reviewed-by: Todd Short <todd.short@me.com>
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Reviewed-by: Tomas Mraz <tomas@openssl.org>
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(Merged from https://github.com/openssl/openssl/pull/22221)
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Index: openssl-3.2.3/providers/implementations/digests/sha3_prov.c
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===================================================================
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--- openssl-3.2.3.orig/providers/implementations/digests/sha3_prov.c
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+++ openssl-3.2.3/providers/implementations/digests/sha3_prov.c
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@@ -143,6 +143,10 @@ static size_t generic_sha3_absorb(void *
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{
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KECCAK1600_CTX *ctx = vctx;
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+ if (!(ctx->xof_state == XOF_STATE_INIT ||
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+ ctx->xof_state == XOF_STATE_ABSORB))
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+ return 0;
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+ ctx->xof_state = XOF_STATE_ABSORB;
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return SHA3_absorb(ctx->A, inp, len, ctx->block_size);
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}
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