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Add length macro for in_ctr

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Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
This commit is contained in:
Jerry Yu 2021-09-24 10:27:07 +08:00
parent e06f4532ef
commit 957f0fa1f7
3 changed files with 10 additions and 9 deletions
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3
include/mbedtls/ssl.h
View File

@ -593,6 +593,9 @@ union mbedtls_ssl_premaster_secret
#define MBEDTLS_PREMASTER_SIZE sizeof( union mbedtls_ssl_premaster_secret )
/* Length of in_ctr buffer in mbedtls_ssl_session */
#define MBEDTLS_SSL_IN_CTR_LEN 8
#ifdef __cplusplus
extern "C" {
#endif

14
library/ssl_msg.c
View File

@ -54,8 +54,6 @@
#include "mbedtls/oid.h"
#endif
#define SSL_CONTEXT_INPUT_COUNTER_LEN 8
static uint32_t ssl_get_hs_total_len( mbedtls_ssl_context const *ssl );
/*
@ -3651,7 +3649,7 @@ static int ssl_prepare_record_content( mbedtls_ssl_context *ssl,
#endif
{
unsigned i;
for( i = 8; i > mbedtls_ssl_ep_len( ssl ); i-- )
for( i = MBEDTLS_SSL_IN_CTR_LEN; i > mbedtls_ssl_ep_len( ssl ); i-- )
if( ++ssl->in_ctr[i - 1] != 0 )
break;
@ -4793,7 +4791,7 @@ int mbedtls_ssl_parse_change_cipher_spec( mbedtls_ssl_context *ssl )
}
else
#endif /* MBEDTLS_SSL_PROTO_DTLS */
mbedtls_platform_zeroize( ssl->in_ctr, SSL_CONTEXT_INPUT_COUNTER_LEN );
mbedtls_platform_zeroize( ssl->in_ctr, MBEDTLS_SSL_IN_CTR_LEN );
mbedtls_ssl_update_in_pointers( ssl );
@ -4883,17 +4881,17 @@ void mbedtls_ssl_update_in_pointers( mbedtls_ssl_context *ssl )
* ssl_parse_record_header(). */
ssl->in_ctr = ssl->in_hdr + 3;
#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
ssl->in_cid = ssl->in_ctr + 8;
ssl->in_cid = ssl->in_ctr + MBEDTLS_SSL_IN_CTR_LEN;
ssl->in_len = ssl->in_cid; /* Default: no CID */
#else /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
ssl->in_len = ssl->in_ctr + 8;
ssl->in_len = ssl->in_ctr + MBEDTLS_SSL_IN_CTR_LEN;
#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
ssl->in_iv = ssl->in_len + 2;
}
else
#endif
{
ssl->in_ctr = ssl->in_hdr - 8;
ssl->in_ctr = ssl->in_hdr - MBEDTLS_SSL_IN_CTR_LEN;
ssl->in_len = ssl->in_hdr + 3;
#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
ssl->in_cid = ssl->in_len;
@ -5560,7 +5558,7 @@ void mbedtls_ssl_set_inbound_transform( mbedtls_ssl_context *ssl,
return;
ssl->transform_in = transform;
mbedtls_platform_zeroize( ssl->in_ctr, SSL_CONTEXT_INPUT_COUNTER_LEN );
mbedtls_platform_zeroize( ssl->in_ctr, MBEDTLS_SSL_IN_CTR_LEN );
}
void mbedtls_ssl_set_outbound_transform( mbedtls_ssl_context *ssl,

2
library/ssl_srv.c
View File

@ -1220,7 +1220,7 @@ read_record_header:
return( MBEDTLS_ERR_SSL_ILLEGAL_PARAMETER );
}
memcpy( ssl->cur_out_ctr + 2, ssl->in_ctr + 2, 6 );
memcpy( ssl->cur_out_ctr + 2, ssl->in_ctr + 2, MBEDTLS_SSL_IN_CTR_LEN - 2 );
#if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
if( mbedtls_ssl_dtls_replay_check( ssl ) != 0 )