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Depend on ECJPAKE key exchange, not module

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This is more consistent, as it doesn't make any sense for a user to be able to
set up an EC J-PAKE password with TLS if the corresponding key exchange is
disabled.

Arguably this is what we should de for other key exchanges as well instead of
depending on ECDH_C etc, but this is an independent issue, so let's just do
the right thing with the new key exchange and fix the other ones later. (This
is a marginal issue anyway, since people who disable all ECDH key exchange are
likely to also disable ECDH_C in order to minimize footprint.)
This commit is contained in:
Manuel Pégourié-Gonnard 2015-09-16 10:05:04 +02:00
parent ddf97a6c92
commit eef142d753
5 changed files with 18 additions and 18 deletions
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4
include/mbedtls/ssl.h
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@ -1676,7 +1676,7 @@ void mbedtls_ssl_conf_sni( mbedtls_ssl_config *conf,
void *p_sni ); void *p_sni );
#endif /* MBEDTLS_SSL_SERVER_NAME_INDICATION */ #endif /* MBEDTLS_SSL_SERVER_NAME_INDICATION */
#if defined(MBEDTLS_ECJPAKE_C) #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
/** /**
* \brief Set the EC J-PAKE password for current handshake. * \brief Set the EC J-PAKE password for current handshake.
* *
@ -1697,7 +1697,7 @@ void mbedtls_ssl_conf_sni( mbedtls_ssl_config *conf,
int mbedtls_ssl_set_hs_ecjpake_password( mbedtls_ssl_context *ssl, int mbedtls_ssl_set_hs_ecjpake_password( mbedtls_ssl_context *ssl,
const unsigned char *pw, const unsigned char *pw,
size_t pw_len ); size_t pw_len );
#endif /*MBEDTLS_ECJPAKE_C */ #endif /*MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
#if defined(MBEDTLS_SSL_ALPN) #if defined(MBEDTLS_SSL_ALPN)
/** /**

6
include/mbedtls/ssl_internal.h
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@ -41,7 +41,7 @@
#include "sha512.h" #include "sha512.h"
#endif #endif
#if defined(MBEDTLS_ECJPAKE_C) #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
#include "ecjpake.h" #include "ecjpake.h"
#endif #endif
@ -172,11 +172,11 @@ struct mbedtls_ssl_handshake_params
#if defined(MBEDTLS_ECDH_C) #if defined(MBEDTLS_ECDH_C)
mbedtls_ecdh_context ecdh_ctx; /*!< ECDH key exchange */ mbedtls_ecdh_context ecdh_ctx; /*!< ECDH key exchange */
#endif #endif
#if defined(MBEDTLS_ECJPAKE_C) #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
mbedtls_ecjpake_context ecjpake_ctx; /*!< EC J-PAKE key exchange */ mbedtls_ecjpake_context ecjpake_ctx; /*!< EC J-PAKE key exchange */
#endif #endif
#if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C) || \ #if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C) || \
defined(MBEDTLS_ECJPAKE_C) defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
const mbedtls_ecp_curve_info **curves; /*!< Supported elliptic curves */ const mbedtls_ecp_curve_info **curves; /*!< Supported elliptic curves */
#endif #endif
#if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED) #if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)

12
library/ssl_cli.c
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@ -209,7 +209,7 @@ static void ssl_write_signature_algorithms_ext( mbedtls_ssl_context *ssl,
MBEDTLS_KEY_EXCHANGE__WITH_CERT__ENABLED */ MBEDTLS_KEY_EXCHANGE__WITH_CERT__ENABLED */
#if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C) || \ #if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C) || \
defined(MBEDTLS_ECJPAKE_C) defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
static void ssl_write_supported_elliptic_curves_ext( mbedtls_ssl_context *ssl, static void ssl_write_supported_elliptic_curves_ext( mbedtls_ssl_context *ssl,
unsigned char *buf, unsigned char *buf,
size_t *olen ) size_t *olen )
@ -278,9 +278,9 @@ static void ssl_write_supported_point_formats_ext( mbedtls_ssl_context *ssl,
*olen = 6; *olen = 6;
} }
#endif /* MBEDTLS_ECDH_C || MBEDTLS_ECDSA_C || MBEDTLS_ECJPAKE_C */ #endif /* MBEDTLS_ECDH_C || MBEDTLS_ECDSA_C || MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
#if defined(MBEDTLS_ECJPAKE_C) #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
static void ssl_write_ecjpake_kkpp_ext( mbedtls_ssl_context *ssl, static void ssl_write_ecjpake_kkpp_ext( mbedtls_ssl_context *ssl,
unsigned char *buf, unsigned char *buf,
size_t *olen ) size_t *olen )
@ -320,7 +320,7 @@ static void ssl_write_ecjpake_kkpp_ext( mbedtls_ssl_context *ssl,
*olen = kkpp_len + 4; *olen = kkpp_len + 4;
} }
#endif /* MBEDTLS_ECJPAKE_C */ #endif /* MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH) #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
static void ssl_write_max_fragment_length_ext( mbedtls_ssl_context *ssl, static void ssl_write_max_fragment_length_ext( mbedtls_ssl_context *ssl,
@ -821,7 +821,7 @@ static int ssl_write_client_hello( mbedtls_ssl_context *ssl )
#endif #endif
#if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C) || \ #if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C) || \
defined(MBEDTLS_ECJPAKE_C) defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
ssl_write_supported_elliptic_curves_ext( ssl, p + 2 + ext_len, &olen ); ssl_write_supported_elliptic_curves_ext( ssl, p + 2 + ext_len, &olen );
ext_len += olen; ext_len += olen;
@ -829,7 +829,7 @@ static int ssl_write_client_hello( mbedtls_ssl_context *ssl )
ext_len += olen; ext_len += olen;
#endif #endif
#if defined(MBEDTLS_ECJPAKE_C) #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
ssl_write_ecjpake_kkpp_ext( ssl, p + 2 + ext_len, &olen ); ssl_write_ecjpake_kkpp_ext( ssl, p + 2 + ext_len, &olen );
ext_len += olen; ext_len += olen;
#endif #endif

6
library/ssl_srv.c
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@ -1977,7 +1977,7 @@ static void ssl_write_max_fragment_length_ext( mbedtls_ssl_context *ssl,
#endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */ #endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
#if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C) || \ #if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C) || \
defined(MBEDTLS_ECJPAKE_C) defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
static void ssl_write_supported_point_formats_ext( mbedtls_ssl_context *ssl, static void ssl_write_supported_point_formats_ext( mbedtls_ssl_context *ssl,
unsigned char *buf, unsigned char *buf,
size_t *olen ) size_t *olen )
@ -2005,7 +2005,7 @@ static void ssl_write_supported_point_formats_ext( mbedtls_ssl_context *ssl,
*olen = 6; *olen = 6;
} }
#endif /* MBEDTLS_ECDH_C || MBEDTLS_ECDSA_C || MBEDTLS_ECJPAKE_C */ #endif /* MBEDTLS_ECDH_C || MBEDTLS_ECDSA_C || MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
#if defined(MBEDTLS_SSL_ALPN ) #if defined(MBEDTLS_SSL_ALPN )
static void ssl_write_alpn_ext( mbedtls_ssl_context *ssl, static void ssl_write_alpn_ext( mbedtls_ssl_context *ssl,
@ -2292,7 +2292,7 @@ static int ssl_write_server_hello( mbedtls_ssl_context *ssl )
#endif #endif
#if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C) || \ #if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C) || \
defined(MBEDTLS_ECJPAKE_C) defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
ssl_write_supported_point_formats_ext( ssl, p + 2 + ext_len, &olen ); ssl_write_supported_point_formats_ext( ssl, p + 2 + ext_len, &olen );
ext_len += olen; ext_len += olen;
#endif #endif

8
library/ssl_tls.c
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@ -4932,7 +4932,7 @@ static void ssl_handshake_params_init( mbedtls_ssl_handshake_params *handshake )
#if defined(MBEDTLS_ECDH_C) #if defined(MBEDTLS_ECDH_C)
mbedtls_ecdh_init( &handshake->ecdh_ctx ); mbedtls_ecdh_init( &handshake->ecdh_ctx );
#endif #endif
#if defined(MBEDTLS_ECJPAKE_C) #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
mbedtls_ecjpake_init( &handshake->ecjpake_ctx ); mbedtls_ecjpake_init( &handshake->ecjpake_ctx );
#endif #endif
@ -5451,7 +5451,7 @@ void mbedtls_ssl_set_hs_authmode( mbedtls_ssl_context *ssl,
} }
#endif /* MBEDTLS_SSL_SERVER_NAME_INDICATION */ #endif /* MBEDTLS_SSL_SERVER_NAME_INDICATION */
#if defined(MBEDTLS_ECJPAKE_C) #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
/* /*
* Set EC J-PAKE password for current handshake * Set EC J-PAKE password for current handshake
*/ */
@ -5475,7 +5475,7 @@ int mbedtls_ssl_set_hs_ecjpake_password( mbedtls_ssl_context *ssl,
MBEDTLS_ECP_DP_SECP256R1, MBEDTLS_ECP_DP_SECP256R1,
pw, pw_len ) ); pw, pw_len ) );
} }
#endif /* MBEDTLS_ECJPAKE_C */ #endif /* MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
#if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED) #if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
int mbedtls_ssl_conf_psk( mbedtls_ssl_config *conf, int mbedtls_ssl_conf_psk( mbedtls_ssl_config *conf,
@ -6619,7 +6619,7 @@ void mbedtls_ssl_handshake_free( mbedtls_ssl_handshake_params *handshake )
#if defined(MBEDTLS_ECDH_C) #if defined(MBEDTLS_ECDH_C)
mbedtls_ecdh_free( &handshake->ecdh_ctx ); mbedtls_ecdh_free( &handshake->ecdh_ctx );
#endif #endif
#if defined(MBEDTLS_ECJPAKE_C) #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
mbedtls_ecjpake_free( &handshake->ecjpake_ctx ); mbedtls_ecjpake_free( &handshake->ecjpake_ctx );
#endif #endif