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Fix and simplify TLS hash dependency declarations

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Fixes #6441

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
This commit is contained in:
Manuel Pégourié-Gonnard 2023-03-22 00:13:50 +01:00
parent bb21c5afa7
commit a31ddb98dc
1 changed files with 25 additions and 26 deletions
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51
include/mbedtls/check_config.h
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@ -787,34 +787,20 @@
#error "MBEDTLS_SHA256_USE_A64_CRYPTO_ONLY defined on non-Aarch64 system"
#endif
#if defined(MBEDTLS_SSL_PROTO_TLS1_2) && !defined(MBEDTLS_USE_PSA_CRYPTO) && \
!( defined(MBEDTLS_SHA1_C) || defined(MBEDTLS_SHA256_C) || defined(MBEDTLS_SHA512_C) )
#error "MBEDTLS_SSL_PROTO_TLS1_2 defined, but not all prerequisites"
#endif
/* TLS 1.3 requires separate HKDF parts from PSA */
/* TLS 1.3 requires separate HKDF parts from PSA,
* and at least one ciphersuite, so at least SHA-256 or SHA-384
* from PSA to use with HKDF.
*
* Note: for dependencies common with TLS 1.2 (running handshake hash),
* see MBEDTLS_SSL_TLS_C. */
#if defined(MBEDTLS_SSL_PROTO_TLS1_3) && \
!( defined(MBEDTLS_PSA_CRYPTO_C) && defined(PSA_WANT_ALG_HKDF_EXTRACT) && defined(PSA_WANT_ALG_HKDF_EXPAND) )
!(defined(MBEDTLS_PSA_CRYPTO_C) && \
defined(PSA_WANT_ALG_HKDF_EXTRACT) && \
defined(PSA_WANT_ALG_HKDF_EXPAND) && \
(defined(PSA_WANT_ALG_SHA_256) || defined(PSA_WANT_ALG_SHA_384)))
#error "MBEDTLS_SSL_PROTO_TLS1_3 defined, but not all prerequisites"
#endif
/* TLS 1.3 requires at least one ciphersuite, so at least SHA-256 or SHA-384 */
#if defined(MBEDTLS_SSL_PROTO_TLS1_3)
/* We always need at least one of the hashes via PSA (for use with HKDF) */
#if !( defined(PSA_WANT_ALG_SHA_256) || defined(PSA_WANT_ALG_SHA_384) )
#error "MBEDTLS_SSL_PROTO_TLS1_3 defined, but not all prerequisites"
#endif /* !(PSA_WANT_ALG_SHA_256 || PSA_WANT_ALG_SHA_384) */
#if !defined(MBEDTLS_USE_PSA_CRYPTO)
/* When USE_PSA_CRYPTO is not defined, we also need SHA-256 or SHA-384 via the
* legacy interface, including via the MD layer, for the parts of the code
* that are shared with TLS 1.2 (running handshake hash). */
#if !defined(MBEDTLS_MD_C) || \
!( defined(MBEDTLS_SHA256_C) || defined(MBEDTLS_SHA384_C) )
#error "MBEDTLS_SSL_PROTO_TLS1_3 defined, but not all prerequisites"
#endif /* !MBEDTLS_MD_C || !(MBEDTLS_SHA256_C || MBEDTLS_SHA384_C) */
#endif /* !MBEDTLS_USE_PSA_CRYPTO */
#endif /* MBEDTLS_SSL_PROTO_TLS1_3 */
#if defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED)
#if !( defined(MBEDTLS_PK_HAVE_ECDH) && defined(MBEDTLS_X509_CRT_PARSE_C) && \
( defined(MBEDTLS_PK_HAVE_ECDSA) || defined(MBEDTLS_PKCS1_V21) ) )
@ -878,11 +864,24 @@
#error "MBEDTLS_SSL_ASYNC_PRIVATE defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SSL_TLS_C) && ( !defined(MBEDTLS_CIPHER_C) || \
( !defined(MBEDTLS_MD_C) && !defined(MBEDTLS_USE_PSA_CRYPTO) ) )
#if defined(MBEDTLS_SSL_TLS_C) && !defined(MBEDTLS_CIPHER_C)
#error "MBEDTLS_SSL_TLS_C defined, but not all prerequisites"
#endif
/* TLS 1.2 and 1.3 require SHA-256 or SHA-384 (running handshake hash) */
#if defined(MBEDTLS_SSL_TLS_C)
#if defined(MBEDTLS_USE_PSA_CRYPTO)
#if !(defined(PSA_WANT_ALG_SHA_256) || defined(PSA_WANT_ALG_SHA_384))
#error "MBEDTLS_SSL_PROTO_TLS1_2 defined, but not all prerequisites"
#endif
#else /* MBEDTLS_USE_PSA_CRYPTO */
#if !defined(MBEDTLS_MD_C) || \
!(defined(MBEDTLS_MD_HAVE_SHA256) || defined(MBEDTLS_MD_HAVE_SHA384))
#error "MBEDTLS_SSL_PROTO_TLS1_2 defined, but not all prerequisites"
#endif
#endif /* MBEDTLS_USE_PSA_CRYPTO */
#endif /* MBEDTLS_SSL_TLS_C */
#if defined(MBEDTLS_SSL_SRV_C) && !defined(MBEDTLS_SSL_TLS_C)
#error "MBEDTLS_SSL_SRV_C defined, but not all prerequisites"
#endif