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tls13: Fix wrong usage of MBEDTLS_SSL_CHK_BUF(_READ)_PTR macros

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Signed-off-by: Ronald Cron <ronald.cron@arm.com>
This commit is contained in:
Ronald Cron
2022-06-01 15:33:26 +02:00
parent c80835943c
commit 154d1b68d6
2 changed files with 3 additions and 3 deletions
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4
library/ssl_tls13_generic.c
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@ -1437,12 +1437,12 @@ int mbedtls_ssl_tls13_read_public_ecdhe_share( mbedtls_ssl_context *ssl,
mbedtls_ssl_handshake_params *handshake = ssl->handshake;
/* Get size of the TLS opaque key_exchange field of the KeyShareEntry struct. */
MBEDTLS_SSL_CHK_BUF_PTR( p, end, 2 );
MBEDTLS_SSL_CHK_BUF_READ_PTR( p, end, 2 );
uint16_t peerkey_len = MBEDTLS_GET_UINT16_BE( p, 0 );
p += 2;
/* Check if key size is consistent with given buffer length. */
MBEDTLS_SSL_CHK_BUF_PTR( p, end, peerkey_len );
MBEDTLS_SSL_CHK_BUF_READ_PTR( p, end, peerkey_len );
/* Store peer's ECDH public key. */
memcpy( handshake->ecdh_psa_peerkey, p, peerkey_len );