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Define internal PSK getter

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Signed-off-by: Guilhem Bryant <Guilhem.Bryant@arm.com>
This commit is contained in:
Guilhem Bryant 2020-03-25 17:06:37 +00:00
parent e40a2f7a99
commit d511ac3419
1 changed files with 52 additions and 1 deletions
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53
include/mbedtls/ssl_internal.h
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@ -921,7 +921,58 @@ void mbedtls_ssl_optimize_checksum( 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 );
#endif
/*
* Get the first defined PSK by order of precedence:
* 1. handshake PSK set by \c mbedtls_ssl_set_hs_psk() in the PSK callback
* 2. static PSK configured by \c mbedtls_ssl_conf_psk()
* Return a code and update the pair (PSK, PSK length) passed to this function
*/
static inline int mbedtls_ssl_get_psk( const mbedtls_ssl_context *ssl,
const unsigned char **psk, size_t *psk_len )
{
if( ssl->handshake->psk != NULL && ssl->handshake->psk_len > 0 )
{
*psk = ssl->handshake->psk;
*psk_len = ssl->handshake->psk_len;
}
else if( ssl->conf->psk != NULL && ssl->conf->psk_len > 0 )
{
*psk = ssl->conf->psk;
*psk_len = ssl->conf->psk_len;
}
else
{
return( MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED );
}
return( 0 );
}
#if defined(MBEDTLS_USE_PSA_CRYPTO)
/*
* Get the first defined opaque PSK by order of precedence:
* 1. handshake PSK set by \c mbedtls_ssl_set_hs_psk_opaque() in the PSK
* callback
* 2. static PSK configured by \c mbedtls_ssl_conf_psk_opaque()
* Return an opaque PSK
*/
static inline psa_key_handle_t mbedtls_ssl_get_opaque_psk(
const mbedtls_ssl_context *ssl )
{
if( ssl->handshake->psk_opaque != 0 )
return( ssl->handshake->psk_opaque );
if( ssl->conf->psk_opaque != 0 )
return( ssl->conf->psk_opaque );
return( 0 );
}
#endif /* MBEDTLS_USE_PSA_CRYPTO */
#endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
#if defined(MBEDTLS_PK_C)
unsigned char mbedtls_ssl_sig_from_pk( mbedtls_pk_context *pk );