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Add psk code to tls13 client side

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Change-Id: I222b2c9d393889448e5e6ad06638536b54edb703
Signed-off-by: XiaokangQian <xiaokang.qian@arm.com>
This commit is contained in:
XiaokangQian
2022-07-05 08:21:43 +00:00
committed by Ronald Cron
parent ecc1031dbf
commit eb69aee6af
4 changed files with 543 additions and 7 deletions
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63
library/ssl_misc.h
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@ -2419,4 +2419,67 @@ int mbedtls_ssl_check_dtls_clihlo_cookie(
unsigned char *obuf, size_t buf_len, size_t *olen );
#endif
#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
/* Check if we have any PSK to offer, returns 0 if PSK is available.
* Assign the psk and ticket if pointers are present.
*/
static inline int mbedtls_ssl_get_psk_to_offer(
const mbedtls_ssl_context *ssl,
const unsigned char **psk, size_t *psk_len,
const unsigned char **psk_identity, size_t *psk_identity_len )
{
int ptrs_present = 0;
if( psk != NULL && psk_len != NULL &&
psk_identity != NULL && psk_identity_len != NULL )
{
ptrs_present = 1;
}
/* Check if an external PSK has been configured. */
if( ssl->conf->psk != NULL )
{
if( ptrs_present )
{
*psk = ssl->conf->psk;
*psk_len = ssl->conf->psk_len;
*psk_identity = ssl->conf->psk_identity;
*psk_identity_len = ssl->conf->psk_identity_len;
}
return( 0 );
}
return( 1 );
}
/**
* \brief Given an SSL context and its associated configuration, write the TLS
* 1.3 specific Pre-Shared key extension.
*
* \param[in] ssl SSL context
* \param[in] buf Base address of the buffer where to write the extension
* \param[in] end End address of the buffer where to write the extension
* \param[out] out_len Length of the data written into the buffer \p buf
* \param[out] binders_len Length of the binders to be written at the end of
* extension
*/
int mbedtls_ssl_tls13_write_pre_shared_key_ext_without_binders(
mbedtls_ssl_context *ssl,
unsigned char *buf, unsigned char *end,
size_t *out_len, size_t *binders_len );
/**
* \brief Given an SSL context and its associated configuration, write the TLS
* 1.3 specific Pre-Shared key extension binders at the end of the
* ClientHello.
*
* \param[in] ssl SSL context
* \param[in] buf Base address of the buffer where to write the extension
* \param[in] end End address of the buffer where to write the extension
*/
int mbedtls_ssl_tls13_write_pre_shared_key_ext_binders(
mbedtls_ssl_context *ssl,
unsigned char *buf, unsigned char *end );
#endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
#endif /* ssl_misc.h */