mirror of
https://github.com/cuberite/polarssl.git
synced 2025-10-30 19:20:40 -04:00
Revert "tls13: add generate handshake keys"
This reverts commit f02ca4158674b974ae103849c43e0c92efc40e8c. Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
This commit is contained in:
Jerry Yu
parent
5243142476
commit
b65eb2f3cf
@ -478,27 +478,6 @@ struct mbedtls_ssl_key_set
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};
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};
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typedef struct mbedtls_ssl_key_set mbedtls_ssl_key_set;
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typedef struct mbedtls_ssl_key_set mbedtls_ssl_key_set;
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typedef struct
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{
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unsigned char binder_key [ MBEDTLS_MD_MAX_SIZE ];
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unsigned char client_early_traffic_secret [ MBEDTLS_MD_MAX_SIZE ];
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unsigned char early_exporter_master_secret[ MBEDTLS_MD_MAX_SIZE ];
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} mbedtls_ssl_tls1_3_early_secrets;
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typedef struct
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{
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unsigned char client_handshake_traffic_secret[ MBEDTLS_MD_MAX_SIZE ];
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unsigned char server_handshake_traffic_secret[ MBEDTLS_MD_MAX_SIZE ];
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} mbedtls_ssl_tls1_3_handshake_secrets;
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typedef struct
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{
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unsigned char client_application_traffic_secret_N[ MBEDTLS_MD_MAX_SIZE ];
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unsigned char server_application_traffic_secret_N[ MBEDTLS_MD_MAX_SIZE ];
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unsigned char exporter_master_secret [ MBEDTLS_MD_MAX_SIZE ];
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unsigned char resumption_master_secret [ MBEDTLS_MD_MAX_SIZE ];
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} mbedtls_ssl_tls1_3_application_secrets;
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/*
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/*
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* This structure contains the parameters only needed during handshake.
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* This structure contains the parameters only needed during handshake.
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*/
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*/
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@ -703,8 +682,6 @@ struct mbedtls_ssl_handshake_params
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unsigned char handshake[MBEDTLS_MD_MAX_SIZE];
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unsigned char handshake[MBEDTLS_MD_MAX_SIZE];
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unsigned char app [MBEDTLS_MD_MAX_SIZE];
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unsigned char app [MBEDTLS_MD_MAX_SIZE];
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} tls13_master_secrets;
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} tls13_master_secrets;
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mbedtls_ssl_tls1_3_handshake_secrets tls13_hs_secrets;
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#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
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#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
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#if defined(MBEDTLS_SSL_SESSION_TICKETS)
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#if defined(MBEDTLS_SSL_SESSION_TICKETS)
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@ -850,121 +850,4 @@ int mbedtls_ssl_tls13_key_schedule_stage_early( mbedtls_ssl_context *ssl )
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return( 0 );
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return( 0 );
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}
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}
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/* mbedtls_ssl_tls13_generate_handshake_keys() generates keys necessary for
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* protecting the handshake messages, as described in Section 7 of TLS 1.3. */
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int mbedtls_ssl_tls13_generate_handshake_keys( mbedtls_ssl_context *ssl,
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mbedtls_ssl_key_set *traffic_keys )
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{
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int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
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mbedtls_md_type_t md_type;
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mbedtls_md_info_t const *md_info;
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size_t md_size;
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unsigned char transcript[MBEDTLS_MD_MAX_SIZE];
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size_t transcript_len;
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mbedtls_cipher_info_t const *cipher_info;
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size_t keylen, ivlen;
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> mbedtls_ssl_tls13_generate_handshake_keys" ) );
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cipher_info = mbedtls_cipher_info_from_type(
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ssl->handshake->ciphersuite_info->cipher );
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keylen = cipher_info->key_bitlen >> 3;
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ivlen = cipher_info->iv_size;
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md_type = ssl->handshake->ciphersuite_info->mac;
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md_info = mbedtls_md_info_from_type( md_type );
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md_size = mbedtls_md_get_size( md_info );
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ret = mbedtls_ssl_get_handshake_transcript( ssl, md_type,
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transcript,
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sizeof( transcript ),
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&transcript_len );
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if( ret != 0 )
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{
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MBEDTLS_SSL_DEBUG_RET( 1,
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"mbedtls_ssl_get_handshake_transcript",
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ret );
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return( ret );
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}
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ret = mbedtls_ssl_tls1_3_derive_handshake_secrets( md_type,
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ssl->handshake->tls13_master_secrets.handshake,
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transcript, transcript_len,
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&ssl->handshake->tls13_hs_secrets );
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if( ret != 0 )
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{
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MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_tls1_3_derive_handshake_secrets",
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ret );
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return( ret );
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}
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MBEDTLS_SSL_DEBUG_BUF( 4, "Client handshake traffic secret",
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ssl->handshake->tls13_hs_secrets.client_handshake_traffic_secret,
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md_size );
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MBEDTLS_SSL_DEBUG_BUF( 4, "Server handshake traffic secret",
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ssl->handshake->tls13_hs_secrets.server_handshake_traffic_secret,
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md_size );
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/*
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* Export client handshake traffic secret
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*/
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#if defined(MBEDTLS_SSL_EXPORT_KEYS)
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if( ssl->f_export_keys != NULL )
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{
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ssl->f_export_keys( ssl->p_export_keys,
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MBEDTLS_SSL_KEY_EXPORT_TLS13_CLIENT_HANDSHAKE_TRAFFIC_SECRET,
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ssl->handshake->tls13_hs_secrets.client_handshake_traffic_secret,
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md_size,
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ssl->handshake->randbytes + 32,
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ssl->handshake->randbytes,
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MBEDTLS_SSL_TLS_PRF_NONE /* TODO: FIX! */ );
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ssl->f_export_keys( ssl->p_export_keys,
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MBEDTLS_SSL_KEY_EXPORT_TLS13_SERVER_HANDSHAKE_TRAFFIC_SECRET,
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ssl->handshake->tls13_hs_secrets.server_handshake_traffic_secret,
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md_size,
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ssl->handshake->randbytes + 32,
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ssl->handshake->randbytes,
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MBEDTLS_SSL_TLS_PRF_NONE /* TODO: FIX! */ );
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}
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#endif /* MBEDTLS_SSL_EXPORT_KEYS */
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ret = mbedtls_ssl_tls1_3_make_traffic_keys( md_type,
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ssl->handshake->tls13_hs_secrets.client_handshake_traffic_secret,
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ssl->handshake->tls13_hs_secrets.server_handshake_traffic_secret,
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md_size,
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keylen, ivlen, traffic_keys );
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if( ret != 0 )
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{
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MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_tls1_3_make_traffic_keys", ret );
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goto exit;
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}
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MBEDTLS_SSL_DEBUG_BUF( 4, "client_handshake write_key",
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traffic_keys->client_write_key,
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traffic_keys->key_len);
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MBEDTLS_SSL_DEBUG_BUF( 4, "server_handshake write_key",
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traffic_keys->server_write_key,
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traffic_keys->key_len);
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MBEDTLS_SSL_DEBUG_BUF( 4, "client_handshake write_iv",
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traffic_keys->client_write_iv,
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traffic_keys->iv_len);
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MBEDTLS_SSL_DEBUG_BUF( 4, "server_handshake write_iv",
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traffic_keys->server_write_iv,
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traffic_keys->iv_len);
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MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= mbedtls_ssl_tls13_generate_handshake_keys" ) );
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exit:
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return( ret );
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}
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#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
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#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
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@ -70,6 +70,27 @@ extern const struct mbedtls_ssl_tls1_3_labels_struct mbedtls_ssl_tls1_3_labels;
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#define MBEDTLS_SSL_TLS1_3_KEY_SCHEDULE_MAX_CONTEXT_LEN \
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#define MBEDTLS_SSL_TLS1_3_KEY_SCHEDULE_MAX_CONTEXT_LEN \
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MBEDTLS_MD_MAX_SIZE
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MBEDTLS_MD_MAX_SIZE
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typedef struct
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{
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unsigned char binder_key [ MBEDTLS_MD_MAX_SIZE ];
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unsigned char client_early_traffic_secret [ MBEDTLS_MD_MAX_SIZE ];
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unsigned char early_exporter_master_secret[ MBEDTLS_MD_MAX_SIZE ];
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} mbedtls_ssl_tls1_3_early_secrets;
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typedef struct
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{
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unsigned char client_handshake_traffic_secret[ MBEDTLS_MD_MAX_SIZE ];
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unsigned char server_handshake_traffic_secret[ MBEDTLS_MD_MAX_SIZE ];
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} mbedtls_ssl_tls1_3_handshake_secrets;
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typedef struct
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{
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unsigned char client_application_traffic_secret_N[ MBEDTLS_MD_MAX_SIZE ];
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unsigned char server_application_traffic_secret_N[ MBEDTLS_MD_MAX_SIZE ];
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unsigned char exporter_master_secret [ MBEDTLS_MD_MAX_SIZE ];
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unsigned char resumption_master_secret [ MBEDTLS_MD_MAX_SIZE ];
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} mbedtls_ssl_tls1_3_application_secrets;
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/* Maximum desired length for expanded key material generated
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/* Maximum desired length for expanded key material generated
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* by HKDF-Expand-Label.
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* by HKDF-Expand-Label.
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*
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*
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@ -536,19 +557,4 @@ int mbedtls_ssl_tls13_populate_transform( mbedtls_ssl_transform *transform,
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*/
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*/
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int mbedtls_ssl_tls13_key_schedule_stage_early( mbedtls_ssl_context *ssl );
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int mbedtls_ssl_tls13_key_schedule_stage_early( mbedtls_ssl_context *ssl );
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/**
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* \brief Compute TLS 1.3 handshake traffic keys.
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*
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* \param ssl The SSL context to operate on. This must be in
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* key schedule stage \c Handshake, see
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* mbedtls_ssl_tls13_key_schedule_stage_handshake().
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* \param traffic_keys The address at which to store the handshake traffic key
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* keys. This must be writable but may be uninitialized.
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*
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* \returns \c 0 on success.
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* \returns A negative error code on failure.
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*/
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int mbedtls_ssl_tls13_generate_handshake_keys( mbedtls_ssl_context *ssl,
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mbedtls_ssl_key_set *traffic_keys );
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#endif /* MBEDTLS_SSL_TLS1_3_KEYS_H */
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#endif /* MBEDTLS_SSL_TLS1_3_KEYS_H */
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