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Use MBEDTLS_GET_UINT16_BE in mbedtls_ecp_tls_read_group_id

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman 2023-08-16 17:50:36 +01:00
parent a4c01dd6e9
commit 6a9fb932fb
1 changed files with 2 additions and 3 deletions
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5
library/ecp.c
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@ -958,9 +958,8 @@ int mbedtls_ecp_tls_read_group_id(mbedtls_ecp_group_id *grp,
/* /*
* Next two bytes are the namedcurve value * Next two bytes are the namedcurve value
*/ */
tls_id = *(*buf)++; tls_id = MBEDTLS_GET_UINT16_BE(*buf, 0);
tls_id <<= 8; *buf += 2;
tls_id |= *(*buf)++;
if ((curve_info = mbedtls_ecp_curve_info_from_tls_id(tls_id)) == NULL) { if ((curve_info = mbedtls_ecp_curve_info_from_tls_id(tls_id)) == NULL) {
return MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE; return MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE;