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Enable restart for certificate verify

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This commit is contained in:
Manuel Pégourié-Gonnard 2017-08-15 13:47:06 +02:00
parent fed37ed039
commit 3bf49c4552
3 changed files with 91 additions and 2 deletions
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2
include/mbedtls/ssl_internal.h
View file

@ -231,6 +231,8 @@ struct mbedtls_ssl_handshake_params
mbedtls_x509_crt_restart_ctx ecrs_ctx; /*!< restart context */
enum {
ssl_ecrs_init = 0, /*!< just getting started */
ssl_ecrs_crt_parsed, /*!< server certificate was parsed */
ssl_ecrs_crt_verified, /*!< server certificate was verified*/
ssl_ecrs_ske_read, /*!< ServerKeyExchange was read */
ssl_ecrs_ske_verified, /*!< ServerKeyExchange was verified */
ssl_ecrs_ecdh_public_done, /*!< wrote ECDHE public share */

33
library/ssl_tls.c
View file

@ -4518,6 +4518,7 @@ int mbedtls_ssl_parse_certificate( mbedtls_ssl_context *ssl )
#else
const int authmode = ssl->conf->authmode;
#endif
void *rs_ctx = NULL;
MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> parse certificate" ) );
@ -4545,11 +4546,20 @@ int mbedtls_ssl_parse_certificate( mbedtls_ssl_context *ssl )
{
ssl->session_negotiate->verify_result = MBEDTLS_X509_BADCERT_SKIP_VERIFY;
MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip parse certificate" ) );
ssl->state++;
return( 0 );
}
#endif
#if defined(MBEDTLS_SSL__ECP_RESTARTABLE)
if( ssl->handshake->ecrs_enabled &&
ssl->handshake->ecrs_state == ssl_ecrs_crt_parsed )
{
goto crt_verify;
}
#endif
if( ( ret = mbedtls_ssl_read_record( ssl ) ) != 0 )
{
/* mbedtls_ssl_read_record may have sent an alert already. We
@ -4572,6 +4582,15 @@ int mbedtls_ssl_parse_certificate( mbedtls_ssl_context *ssl )
return( ret );
}
#if defined(MBEDTLS_SSL__ECP_RESTARTABLE)
if( ssl->handshake->ecrs_enabled)
ssl->handshake->ecrs_state++;
crt_verify:
if( ssl->handshake->ecrs_enabled)
rs_ctx = &ssl->handshake->ecrs_ctx;
#endif
if( authmode != MBEDTLS_SSL_VERIFY_NONE )
{
mbedtls_x509_crt *ca_chain;
@ -4593,19 +4612,24 @@ int mbedtls_ssl_parse_certificate( mbedtls_ssl_context *ssl )
/*
* Main check: verify certificate
*/
ret = mbedtls_x509_crt_verify_with_profile(
ret = mbedtls_x509_crt_verify_restartable(
ssl->session_negotiate->peer_cert,
ca_chain, ca_crl,
ssl->conf->cert_profile,
ssl->hostname,
&ssl->session_negotiate->verify_result,
ssl->conf->f_vrfy, ssl->conf->p_vrfy );
ssl->conf->f_vrfy, ssl->conf->p_vrfy, rs_ctx );
if( ret != 0 )
{
MBEDTLS_SSL_DEBUG_RET( 1, "x509_verify_cert", ret );
}
#if defined(MBEDTLS_SSL__ECP_RESTARTABLE)
if( ret == MBEDTLS_ERR_ECP_IN_PROGRESS )
return( ret );
#endif
/*
* Secondary checks: always done, but change 'ret' only if it was 0
*/
@ -4702,6 +4726,11 @@ int mbedtls_ssl_parse_certificate( mbedtls_ssl_context *ssl )
#endif /* MBEDTLS_DEBUG_C */
}
#if defined(MBEDTLS_SSL__ECP_RESTARTABLE)
if( ssl->handshake->ecrs_enabled)
ssl->handshake->ecrs_state++;
#endif
ssl->state++;
MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= parse certificate" ) );

58
tests/ssl-opt.sh
View file

@ -3450,6 +3450,7 @@ run_test "EC restart: TLS, default" \
key_file=data_files/server5.key crt_file=data_files/server5.crt \
debug_level=1" \
0 \
-C "x509_verify_cert.*4b80" \
-C "mbedtls_pk_verify.*4b80" \
-C "mbedtls_ecdh_make_public.*4b80" \
-C "mbedtls_pk_sign.*4b80"
@ -3461,6 +3462,7 @@ run_test "EC restart: TLS, max_ops=0" \
key_file=data_files/server5.key crt_file=data_files/server5.crt \
debug_level=1 ec_max_ops=0" \
0 \
-C "x509_verify_cert.*4b80" \
-C "mbedtls_pk_verify.*4b80" \
-C "mbedtls_ecdh_make_public.*4b80" \
-C "mbedtls_pk_sign.*4b80"
@ -3472,6 +3474,7 @@ run_test "EC restart: TLS, max_ops=65535" \
key_file=data_files/server5.key crt_file=data_files/server5.crt \
debug_level=1 ec_max_ops=65535" \
0 \
-C "x509_verify_cert.*4b80" \
-C "mbedtls_pk_verify.*4b80" \
-C "mbedtls_ecdh_make_public.*4b80" \
-C "mbedtls_pk_sign.*4b80"
@ -3483,10 +3486,62 @@ run_test "EC restart: TLS, max_ops=1000" \
key_file=data_files/server5.key crt_file=data_files/server5.crt \
debug_level=1 ec_max_ops=1000" \
0 \
-c "x509_verify_cert.*4b80" \
-c "mbedtls_pk_verify.*4b80" \
-c "mbedtls_ecdh_make_public.*4b80" \
-c "mbedtls_pk_sign.*4b80"
requires_config_enabled MBEDTLS_ECP_RESTARTABLE
run_test "EC restart: TLS, max_ops=1000, badsign" \
"$P_SRV auth_mode=required \
crt_file=data_files/server5-badsign.crt \
key_file=data_files/server5.key" \
"$P_CLI force_ciphersuite=TLS-ECDHE-ECDSA-WITH-AES-128-GCM-SHA256 \
key_file=data_files/server5.key crt_file=data_files/server5.crt \
debug_level=1 ec_max_ops=1000" \
1 \
-c "x509_verify_cert.*4b80" \
-C "mbedtls_pk_verify.*4b80" \
-C "mbedtls_ecdh_make_public.*4b80" \
-C "mbedtls_pk_sign.*4b80" \
-c "! The certificate is not correctly signed by the trusted CA" \
-c "! mbedtls_ssl_handshake returned" \
-c "X509 - Certificate verification failed"
requires_config_enabled MBEDTLS_ECP_RESTARTABLE
run_test "EC restart: TLS, max_ops=1000, auth_mode=optional badsign" \
"$P_SRV auth_mode=required \
crt_file=data_files/server5-badsign.crt \
key_file=data_files/server5.key" \
"$P_CLI force_ciphersuite=TLS-ECDHE-ECDSA-WITH-AES-128-GCM-SHA256 \
key_file=data_files/server5.key crt_file=data_files/server5.crt \
debug_level=1 ec_max_ops=1000 auth_mode=optional" \
0 \
-c "x509_verify_cert.*4b80" \
-c "mbedtls_pk_verify.*4b80" \
-c "mbedtls_ecdh_make_public.*4b80" \
-c "mbedtls_pk_sign.*4b80" \
-c "! The certificate is not correctly signed by the trusted CA" \
-C "! mbedtls_ssl_handshake returned" \
-C "X509 - Certificate verification failed"
requires_config_enabled MBEDTLS_ECP_RESTARTABLE
run_test "EC restart: TLS, max_ops=1000, auth_mode=none badsign" \
"$P_SRV auth_mode=required \
crt_file=data_files/server5-badsign.crt \
key_file=data_files/server5.key" \
"$P_CLI force_ciphersuite=TLS-ECDHE-ECDSA-WITH-AES-128-GCM-SHA256 \
key_file=data_files/server5.key crt_file=data_files/server5.crt \
debug_level=1 ec_max_ops=1000 auth_mode=none" \
0 \
-C "x509_verify_cert.*4b80" \
-c "mbedtls_pk_verify.*4b80" \
-c "mbedtls_ecdh_make_public.*4b80" \
-c "mbedtls_pk_sign.*4b80" \
-C "! The certificate is not correctly signed by the trusted CA" \
-C "! mbedtls_ssl_handshake returned" \
-C "X509 - Certificate verification failed"
requires_config_enabled MBEDTLS_ECP_RESTARTABLE
run_test "EC restart: DTLS, max_ops=1000" \
"$P_SRV auth_mode=required dtls=1" \
@ -3494,6 +3549,7 @@ run_test "EC restart: DTLS, max_ops=1000" \
key_file=data_files/server5.key crt_file=data_files/server5.crt \
dtls=1 debug_level=1 ec_max_ops=1000" \
0 \
-c "x509_verify_cert.*4b80" \
-c "mbedtls_pk_verify.*4b80" \
-c "mbedtls_ecdh_make_public.*4b80" \
-c "mbedtls_pk_sign.*4b80"
@ -3504,6 +3560,7 @@ run_test "EC restart: TLS, max_ops=1000 no client auth" \
"$P_CLI force_ciphersuite=TLS-ECDHE-ECDSA-WITH-AES-128-GCM-SHA256 \
debug_level=1 ec_max_ops=1000" \
0 \
-c "x509_verify_cert.*4b80" \
-c "mbedtls_pk_verify.*4b80" \
-c "mbedtls_ecdh_make_public.*4b80" \
-C "mbedtls_pk_sign.*4b80"
@ -3514,6 +3571,7 @@ run_test "EC restart: TLS, max_ops=1000, ECDHE-PSK" \
"$P_CLI force_ciphersuite=TLS-ECDHE-PSK-WITH-AES-128-CBC-SHA256 \
psk=abc123 debug_level=1 ec_max_ops=1000" \
0 \
-C "x509_verify_cert.*4b80" \
-C "mbedtls_pk_verify.*4b80" \
-C "mbedtls_ecdh_make_public.*4b80" \
-C "mbedtls_pk_sign.*4b80"