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sha: make SHA-384 independent from SHA-512

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Using proper configuration options (i.e. MBEDTLS_SHA384_C and
MBEDTLS_SHA512_C) it is now possible to build SHA384 and SHA512
independently from each other.

Signed-off-by: Valerio Setti <vsetti@baylibre.com>
This commit is contained in:
Valerio Setti 2022-12-14 08:53:23 +01:00
parent 2b70a3f831
commit 43363f5962
4 changed files with 83 additions and 53 deletions
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4
include/mbedtls/check_config.h
View file

@ -691,10 +691,6 @@
#error "MBEDTLS_X509_RSASSA_PSS_SUPPORT defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_SHA384_C) && !defined(MBEDTLS_SHA512_C)
#error "MBEDTLS_SHA384_C defined without MBEDTLS_SHA512_C"
#endif
#if defined(MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT) && \
defined(MBEDTLS_SHA512_USE_A64_CRYPTO_ONLY)
#error "Must only define one of MBEDTLS_SHA512_USE_A64_CRYPTO_*"

2
include/mbedtls/mbedtls_config.h
View file

@ -3102,8 +3102,6 @@
*
* Enable the SHA-384 cryptographic hash algorithm.
*
* Requires: MBEDTLS_SHA512_C
*
* Module: library/sha512.c
* Caller: library/md.c
* library/psa_crypto_hash.c

24
include/mbedtls/sha512.h
View file

@ -99,8 +99,11 @@ void mbedtls_sha512_clone( mbedtls_sha512_context *dst,
* \param is384 Determines which function to use. This must be
* either \c 0 for SHA-512, or \c 1 for SHA-384.
*
* \note When \c MBEDTLS_SHA384_C is not defined,
* \p is384 must be \c 0, or the function will return
* \note is384 must be defined accordingly with the supported
* symbols in the config file. If:
* - is384 is 0, but \c MBEDTLS_SHA384_C is not defined, or
* - is384 is 1, but \c MBEDTLS_SHA512_C is not defined
* then the function will return
* #MBEDTLS_ERR_SHA512_BAD_INPUT_DATA.
*
* \return \c 0 on success.
@ -175,8 +178,11 @@ int mbedtls_internal_sha512_process( mbedtls_sha512_context *ctx,
* \param is384 Determines which function to use. This must be either
* \c 0 for SHA-512, or \c 1 for SHA-384.
*
* \note When \c MBEDTLS_SHA384_C is not defined, \p is384 must
* be \c 0, or the function will return
* \note is384 must be defined accordingly with the supported
* symbols in the config file. If:
* - is384 is 0, but \c MBEDTLS_SHA384_C is not defined, or
* - is384 is 1, but \c MBEDTLS_SHA512_C is not defined
* then the function will return
* #MBEDTLS_ERR_SHA512_BAD_INPUT_DATA.
*
* \return \c 0 on success.
@ -190,7 +196,15 @@ int mbedtls_sha512( const unsigned char *input,
#if defined(MBEDTLS_SELF_TEST)
/**
* \brief The SHA-384 or SHA-512 checkup routine.
* \brief The SHA-384 checkup routine.
*
* \return \c 0 on success.
* \return \c 1 on failure.
*/
int mbedtls_sha384_self_test( int verbose );
/**
* \brief The SHA-512 checkup routine.
*
* \return \c 0 on success.
* \return \c 1 on failure.