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ssl_tls: remove code related to DHE-RSA

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Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
This commit is contained in:
Valerio Setti
2025-01-22 11:33:55 +01:00
parent 98f348a2c5
commit 89743b5db5
4 changed files with 0 additions and 151 deletions
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61
library/ssl_tls12_server.c
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@@ -3254,43 +3254,6 @@ static int ssl_write_server_hello_done(mbedtls_ssl_context *ssl)
return 0;
}
#if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED)
MBEDTLS_CHECK_RETURN_CRITICAL
static int ssl_parse_client_dh_public(mbedtls_ssl_context *ssl, unsigned char **p,
const unsigned char *end)
{
int ret = MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE;
size_t n;
/*
* Receive G^Y mod P, premaster = (G^Y)^X mod P
*/
if (*p + 2 > end) {
MBEDTLS_SSL_DEBUG_MSG(1, ("bad client key exchange message"));
return MBEDTLS_ERR_SSL_DECODE_ERROR;
}
n = MBEDTLS_GET_UINT16_BE(*p, 0);
*p += 2;
if (*p + n > end) {
MBEDTLS_SSL_DEBUG_MSG(1, ("bad client key exchange message"));
return MBEDTLS_ERR_SSL_DECODE_ERROR;
}
if ((ret = mbedtls_dhm_read_public(&ssl->handshake->dhm_ctx, *p, n)) != 0) {
MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_dhm_read_public", ret);
return MBEDTLS_ERR_SSL_DECODE_ERROR;
}
*p += n;
MBEDTLS_SSL_DEBUG_MPI(3, "DHM: GY", &ssl->handshake->dhm_ctx.GY);
return ret;
}
#endif /* MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED */
#if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED)
#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
@@ -3573,30 +3536,6 @@ static int ssl_parse_client_key_exchange(mbedtls_ssl_context *ssl)
return MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE;
}
#if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED)
if (ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_RSA) {
if ((ret = ssl_parse_client_dh_public(ssl, &p, end)) != 0) {
MBEDTLS_SSL_DEBUG_RET(1, ("ssl_parse_client_dh_public"), ret);
return ret;
}
if (p != end) {
MBEDTLS_SSL_DEBUG_MSG(1, ("bad client key exchange"));
return MBEDTLS_ERR_SSL_DECODE_ERROR;
}
if ((ret = mbedtls_dhm_calc_secret(&ssl->handshake->dhm_ctx,
ssl->handshake->premaster,
MBEDTLS_PREMASTER_SIZE,
&ssl->handshake->pmslen,
ssl->conf->f_rng, ssl->conf->p_rng)) != 0) {
MBEDTLS_SSL_DEBUG_RET(1, "mbedtls_dhm_calc_secret", ret);
return MBEDTLS_ERR_SSL_DECODE_ERROR;
}
MBEDTLS_SSL_DEBUG_MPI(3, "DHM: K ", &ssl->handshake->dhm_ctx.K);
} else
#endif /* MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED */
#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) || \
defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) || \
defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) || \