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Use MD-light in entropy.c

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Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
This commit is contained in:
Manuel Pégourié-Gonnard 2023-02-02 13:14:59 +01:00
parent ac6db4d649
commit 5cd4b6403b
6 changed files with 79 additions and 100 deletions
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24
include/mbedtls/entropy.h
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@ -27,13 +27,17 @@
#include <stddef.h>
#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_ENTROPY_FORCE_SHA256)
#include "mbedtls/sha512.h"
#include "md.h"
#if defined(MBEDTLS_MD_CAN_SHA512) && !defined(MBEDTLS_ENTROPY_FORCE_SHA256)
#define MBEDTLS_ENTROPY_SHA512_ACCUMULATOR
#define MBEDTLS_ENTROPY_MD MBEDTLS_MD_SHA512
#define MBEDTLS_ENTROPY_BLOCK_SIZE 64 /**< Block size of entropy accumulator (SHA-512) */
#else
#if defined(MBEDTLS_SHA256_C)
#if defined(MBEDTLS_MD_CAN_SHA256)
#define MBEDTLS_ENTROPY_SHA256_ACCUMULATOR
#include "mbedtls/sha256.h"
#define MBEDTLS_ENTROPY_MD MBEDTLS_MD_SHA256
#define MBEDTLS_ENTROPY_BLOCK_SIZE 32 /**< Block size of entropy accumulator (SHA-256) */
#endif
#endif
@ -71,12 +75,6 @@
/** \} name SECTION: Module settings */
#if defined(MBEDTLS_ENTROPY_SHA512_ACCUMULATOR)
#define MBEDTLS_ENTROPY_BLOCK_SIZE 64 /**< Block size of entropy accumulator (SHA-512) */
#else
#define MBEDTLS_ENTROPY_BLOCK_SIZE 32 /**< Block size of entropy accumulator (SHA-256) */
#endif
#define MBEDTLS_ENTROPY_MAX_SEED_SIZE 1024 /**< Maximum size of seed we read from seed file */
#define MBEDTLS_ENTROPY_SOURCE_MANUAL MBEDTLS_ENTROPY_MAX_SOURCES
@ -120,11 +118,7 @@ typedef struct mbedtls_entropy_context {
int MBEDTLS_PRIVATE(accumulator_started); /* 0 after init.
* 1 after the first update.
* -1 after free. */
#if defined(MBEDTLS_ENTROPY_SHA512_ACCUMULATOR)
mbedtls_sha512_context MBEDTLS_PRIVATE(accumulator);
#elif defined(MBEDTLS_ENTROPY_SHA256_ACCUMULATOR)
mbedtls_sha256_context MBEDTLS_PRIVATE(accumulator);
#endif
mbedtls_md_context_t MBEDTLS_PRIVATE(accumulator);
int MBEDTLS_PRIVATE(source_count); /* Number of entries used in source. */
mbedtls_entropy_source_state MBEDTLS_PRIVATE(source)[MBEDTLS_ENTROPY_MAX_SOURCES];
#if defined(MBEDTLS_THREADING_C)