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TinyCrypt SSL: Extend scope of use of TC in PMS derivation

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Extend scope of TC in ECDH-param extraction from CRT

Previously, TinyCrypt was only used for ECDHE-ECDSA/RSA ciphersuites.
This commit is a step towards using it for _all_ ciphersuites involving
ECDHE (specifically: ECDHE, ECDHE-PSK, static ECDH), extending the scope
of the use of TinyCrypt in the assembly of the PMS.
This commit is contained in:
Hanno Becker 2019-09-01 07:47:29 +01:00
parent 8b3408f1a8
commit ecf5d3fdb1
1 changed files with 6 additions and 2 deletions
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8
library/ssl_tls.c
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@ -1952,9 +1952,13 @@ int mbedtls_ssl_build_pms( mbedtls_ssl_context *ssl )
#if defined(MBEDTLS_USE_TINYCRYPT)
if( mbedtls_ssl_suite_get_key_exchange( ciphersuite_info )
== MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA ||
== MBEDTLS_KEY_EXCHANGE_ECDHE_RSA ||
mbedtls_ssl_suite_get_key_exchange( ciphersuite_info )
== MBEDTLS_KEY_EXCHANGE_ECDHE_RSA )
== MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA ||
mbedtls_ssl_suite_get_key_exchange( ciphersuite_info )
== MBEDTLS_KEY_EXCHANGE_ECDH_RSA ||
mbedtls_ssl_suite_get_key_exchange( ciphersuite_info )
== MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA )
{
const struct uECC_Curve_t * uecc_curve = uECC_secp256r1();
((void) ret);