lib/mbedtls
1
0
Fork 0
mirror of https://github.com/Mbed-TLS/mbedtls.git synced 2025-07-29 11:41:15 +03:00
Code Activity

Remove mbedtls_ssl_get_psk() and it's usage when MBEDTLS_USE_PSA_CRYPTO is selected

Browse Source 
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
This commit is contained in:
Neil Armstrong
2022-05-03 10:35:56 +02:00
parent cd05f0b9e5
commit 044a32c4c6
2 changed files with 30 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
library/ssl_tls.c
View File

@ -5533,17 +5533,19 @@ void ssl_calc_verify_tls_sha384( const mbedtls_ssl_context *ssl,
#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
int mbedtls_ssl_psk_derive_premaster( mbedtls_ssl_context *ssl, mbedtls_key_exchange_type_t key_ex )
{
#if !defined(MBEDTLS_USE_PSA_CRYPTO) || \
defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED)
unsigned char *p = ssl->handshake->premaster;
unsigned char *end = p + sizeof( ssl->handshake->premaster );
#else
(void)ssl;
(void)key_ex;
#endif /* !MBEDTLS_USE_PSA_CRYPTO || MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED */
#if !defined(MBEDTLS_USE_PSA_CRYPTO)
const unsigned char *psk = NULL;
size_t psk_len = 0;
int psk_ret = mbedtls_ssl_get_psk( ssl, &psk, &psk_len );
#if defined(MBEDTLS_USE_PSA_CRYPTO) && \
defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
(void) key_ex;
#endif /* MBEDTLS_USE_PSA_CRYPTO && MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED */
if( psk_ret == MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED )
{
/*
@ -5600,6 +5602,7 @@ int mbedtls_ssl_psk_derive_premaster( mbedtls_ssl_context *ssl, mbedtls_key_exch
}
else
#endif /* MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED */
#endif /* !MBEDTLS_USE_PSA_CRYPTO */
#if defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED)
if( key_ex == MBEDTLS_KEY_EXCHANGE_DHE_PSK )
{
@ -5618,14 +5621,6 @@ int mbedtls_ssl_psk_derive_premaster( mbedtls_ssl_context *ssl, mbedtls_key_exch
p += 2 + len;
MBEDTLS_SSL_DEBUG_MPI( 3, "DHM: K ", &ssl->handshake->dhm_ctx.K );
/* For opaque PSK fill premaster with the the shared secret without PSK. */
if( psk_ret == MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED )
{
MBEDTLS_SSL_DEBUG_MSG( 1,
( "skip PMS generation for opaque DHE-PSK" ) );
return( 0 );
}
}
else
#endif /* MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED */
@ -5657,6 +5652,7 @@ int mbedtls_ssl_psk_derive_premaster( mbedtls_ssl_context *ssl, mbedtls_key_exch
return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
}
#if !defined(MBEDTLS_USE_PSA_CRYPTO)
/* opaque psk<0..2^16-1>; */
if( end - p < 2 )
return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
@ -5671,6 +5667,7 @@ int mbedtls_ssl_psk_derive_premaster( mbedtls_ssl_context *ssl, mbedtls_key_exch
p += psk_len;
ssl->handshake->pmslen = p - ssl->handshake->premaster;
#endif /* !MBEDTLS_USE_PSA_CRYPTO */
return( 0 );
}