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psa: Fix the size of hash buffers

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Fix the size of hash buffers for PSA hash
operations.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
This commit is contained in:
Ronald Cron 2021-10-18 09:47:58 +02:00
parent fcaba24697
commit 69a63426af
5 changed files with 14 additions and 5 deletions
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7
library/ssl_cli.c
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@ -37,6 +37,7 @@
#if defined(MBEDTLS_USE_PSA_CRYPTO)
#include "mbedtls/psa_util.h"
#include "psa/crypto.h"
#endif /* MBEDTLS_USE_PSA_CRYPTO */
#include <string.h>
@ -3082,7 +3083,11 @@ start_processing:
if( mbedtls_ssl_ciphersuite_uses_server_signature( ciphersuite_info ) )
{
size_t sig_len, hashlen;
unsigned char hash[64];
#if defined(MBEDTLS_USE_PSA_CRYPTO)
unsigned char hash[PSA_HASH_MAX_SIZE];
#else
unsigned char hash[MBEDTLS_MD_MAX_SIZE];
#endif
mbedtls_md_type_t md_alg = MBEDTLS_MD_NONE;
mbedtls_pk_type_t pk_alg = MBEDTLS_PK_NONE;
unsigned char *params = ssl->in_msg + mbedtls_ssl_hs_hdr_len( ssl );