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Share parse_key_share() between client and server

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Change-Id: I3fd2604296dc0e1e8380f5405429a6b0feb6e981
Signed-off-by: XiaokangQian <xiaokang.qian@arm.com>
This commit is contained in:
XiaokangQian
2022-04-10 10:20:43 +00:00
parent c4b8c99a38
commit 9b5d04b078
5 changed files with 52 additions and 170 deletions
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26
library/ssl_tls13_client.c
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@ -417,30 +417,6 @@ cleanup:
return( ret );
}
#if defined(MBEDTLS_ECDH_C)
static int ssl_tls13_read_public_ecdhe_share( mbedtls_ssl_context *ssl,
const unsigned char *buf,
size_t buf_len )
{
uint8_t *p = (uint8_t*)buf;
mbedtls_ssl_handshake_params *handshake = ssl->handshake;
/* Get size of the TLS opaque key_exchange field of the KeyShareEntry struct. */
uint16_t peerkey_len = MBEDTLS_GET_UINT16_BE( p, 0 );
p += 2;
/* Check if key size is consistent with given buffer length. */
if ( peerkey_len > ( buf_len - 2 ) )
return( MBEDTLS_ERR_SSL_DECODE_ERROR );
/* Store peer's ECDH public key. */
memcpy( handshake->ecdh_psa_peerkey, p, peerkey_len );
handshake->ecdh_psa_peerkey_len = peerkey_len;
return( 0 );
}
#endif /* MBEDTLS_ECDH_C */
/*
* ssl_tls13_parse_hrr_key_share_ext()
@ -565,7 +541,7 @@ static int ssl_tls13_parse_key_share_ext( mbedtls_ssl_context *ssl,
MBEDTLS_SSL_DEBUG_MSG( 2, ( "ECDH curve: %s", curve_info->name ) );
ret = ssl_tls13_read_public_ecdhe_share( ssl, p, end - p );
ret = mbedtls_ssl_tls13_read_public_ecdhe_share( ssl, p, end - p );
if( ret != 0 )
return( ret );
}