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sha: make SHA-224 independent from SHA-256

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Using proper configuration options (i.e. MBEDTLS_SHA224_C and
MBEDTLS_SHA256_C) it is now possible to build SHA224 and SHA256
independently from each other.

Signed-off-by: Valerio Setti <vsetti@baylibre.com>
This commit is contained in:
Valerio Setti
2022-12-14 10:56:54 +01:00
parent 898e7a3afe
commit a3f99591f6
4 changed files with 79 additions and 46 deletions
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8
include/mbedtls/check_config.h
View File

@@ -746,14 +746,6 @@
#error "MBEDTLS_SHA512_USE_A64_CRYPTO_ONLY defined on non-Aarch64 system"
#endif
#if defined(MBEDTLS_SHA224_C) && !defined(MBEDTLS_SHA256_C)
#error "MBEDTLS_SHA224_C defined without MBEDTLS_SHA256_C"
#endif
#if defined(MBEDTLS_SHA256_C) && !defined(MBEDTLS_SHA224_C)
#error "MBEDTLS_SHA256_C defined without MBEDTLS_SHA224_C"
#endif
#if defined(MBEDTLS_SHA256_USE_A64_CRYPTO_IF_PRESENT) && \
defined(MBEDTLS_SHA256_USE_A64_CRYPTO_ONLY)
#error "Must only define one of MBEDTLS_SHA256_USE_A64_CRYPTO_*"

6
include/mbedtls/mbedtls_config.h
View File

@@ -3016,9 +3016,6 @@
*
* Enable the SHA-224 cryptographic hash algorithm.
*
* Requires: MBEDTLS_SHA256_C. The library does not currently support enabling
* SHA-224 without SHA-256.
*
* Module: library/sha256.c
* Caller: library/md.c
* library/ssl_cookie.c
@@ -3032,9 +3029,6 @@
*
* Enable the SHA-256 cryptographic hash algorithm.
*
* Requires: MBEDTLS_SHA224_C. The library does not currently support enabling
* SHA-256 without SHA-224.
*
* Module: library/sha256.c
* Caller: library/entropy.c
* library/md.c

10
include/mbedtls/sha256.h
View File

@@ -179,7 +179,15 @@ int mbedtls_sha256( const unsigned char *input,
#if defined(MBEDTLS_SELF_TEST)
/**
* \brief The SHA-224 and SHA-256 checkup routine.
* \brief The SHA-224 checkup routine.
*
* \return \c 0 on success.
* \return \c 1 on failure.
*/
int mbedtls_sha224_self_test( int verbose );
/**
* \brief The SHA-256 checkup routine.
*
* \return \c 0 on success.
* \return \c 1 on failure.