Commander1024
c010e1a1d5
- Add fail-closed wolfSSL small-math policy and vectors - Backport DHCP, EMS, and X.509 allocation fixes - Extend source override validation and operational documentation
28 lines
1017 B
C
28 lines
1017 B
C
/* SPDX-License-Identifier: GPL-3.0-only */
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#ifndef SAK_WOLF_CRYPTO_POLICY_H
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#define SAK_WOLF_CRYPTO_POLICY_H
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#include <wolfssl/wolfcrypt/settings.h>
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/* PR9275 selects small math on Xtensa to avoid compiler-introduced timing
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* differences. Check resolved settings, not just command-line intentions.
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* https://github.com/wolfSSL/wolfssl/pull/9275
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*/
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#if !defined(HAVE_CURVE25519) || !defined(CURVE25519_SMALL)
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#error "wolf crypto policy: X25519 requires CURVE25519_SMALL"
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#endif
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#if !defined(HAVE_ED25519) || !defined(ED25519_SMALL)
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#error "wolf crypto policy: Ed25519 requires ED25519_SMALL"
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#endif
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/* 5.8.2 excludes small math from automatic blinding and rejects this pairing.
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* Do not force blinding back on: key layout and function signatures differ.
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*/
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#ifdef WOLFSSL_CURVE25519_BLINDING
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#error "wolf crypto policy: small X25519 is incompatible with blinding"
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#endif
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#if defined(HAVE_CURVE448) || defined(HAVE_ED448)
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#error "wolf crypto policy: review PR9275 small math before enabling 448"
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#endif
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#endif
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