From: Kevin Wolf <kwolf@redhat.com>
To: "Philippe Mathieu-Daudé" <philmd@redhat.com>
Cc: "Daniel P. Berrangé" <berrange@redhat.com>,
qemu-block@nongnu.org, qemu-devel@nongnu.org,
"Gerd Hoffmann" <kraxel@redhat.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Laszlo Ersek" <lersek@redhat.com>
Subject: Re: [PULL 5/5] crypto/tls-cipher-suites: Produce fw_cfg consumable blob
Date: Tue, 29 Sep 2020 17:46:51 +0200 [thread overview]
Message-ID: <20200929154651.GC4398@linux.fritz.box> (raw)
In-Reply-To: <20200704163927.28188-6-philmd@redhat.com>
Am 04.07.2020 um 18:39 hat Philippe Mathieu-Daudé geschrieben:
> Since our format is consumable by the fw_cfg device,
> we can implement the FW_CFG_DATA_GENERATOR interface.
>
> Example of use to dump the cipher suites (if tracing enabled):
>
> $ qemu-system-x86_64 -S \
> -object tls-cipher-suites,id=mysuite1,priority=@SYSTEM \
> -fw_cfg name=etc/path/to/ciphers,gen_id=mysuite1 \
> -trace qcrypto\*
> 1590664444.197123:qcrypto_tls_cipher_suite_priority priority: @SYSTEM
> 1590664444.197219:qcrypto_tls_cipher_suite_info data=[0x13,0x02] version=TLS1.3 name=TLS_AES_256_GCM_SHA384
> 1590664444.197228:qcrypto_tls_cipher_suite_info data=[0x13,0x03] version=TLS1.3 name=TLS_CHACHA20_POLY1305_SHA256
> 1590664444.197233:qcrypto_tls_cipher_suite_info data=[0x13,0x01] version=TLS1.3 name=TLS_AES_128_GCM_SHA256
> 1590664444.197236:qcrypto_tls_cipher_suite_info data=[0x13,0x04] version=TLS1.3 name=TLS_AES_128_CCM_SHA256
> 1590664444.197240:qcrypto_tls_cipher_suite_info data=[0xc0,0x30] version=TLS1.2 name=TLS_ECDHE_RSA_AES_256_GCM_SHA384
> 1590664444.197245:qcrypto_tls_cipher_suite_info data=[0xcc,0xa8] version=TLS1.2 name=TLS_ECDHE_RSA_CHACHA20_POLY1305
> 1590664444.197250:qcrypto_tls_cipher_suite_info data=[0xc0,0x14] version=TLS1.0 name=TLS_ECDHE_RSA_AES_256_CBC_SHA1
> 1590664444.197254:qcrypto_tls_cipher_suite_info data=[0xc0,0x2f] version=TLS1.2 name=TLS_ECDHE_RSA_AES_128_GCM_SHA256
> 1590664444.197258:qcrypto_tls_cipher_suite_info data=[0xc0,0x13] version=TLS1.0 name=TLS_ECDHE_RSA_AES_128_CBC_SHA1
> 1590664444.197261:qcrypto_tls_cipher_suite_info data=[0xc0,0x2c] version=TLS1.2 name=TLS_ECDHE_ECDSA_AES_256_GCM_SHA384
> 1590664444.197266:qcrypto_tls_cipher_suite_info data=[0xcc,0xa9] version=TLS1.2 name=TLS_ECDHE_ECDSA_CHACHA20_POLY1305
> 1590664444.197270:qcrypto_tls_cipher_suite_info data=[0xc0,0xad] version=TLS1.2 name=TLS_ECDHE_ECDSA_AES_256_CCM
> 1590664444.197274:qcrypto_tls_cipher_suite_info data=[0xc0,0x0a] version=TLS1.0 name=TLS_ECDHE_ECDSA_AES_256_CBC_SHA1
> 1590664444.197278:qcrypto_tls_cipher_suite_info data=[0xc0,0x2b] version=TLS1.2 name=TLS_ECDHE_ECDSA_AES_128_GCM_SHA256
> 1590664444.197283:qcrypto_tls_cipher_suite_info data=[0xc0,0xac] version=TLS1.2 name=TLS_ECDHE_ECDSA_AES_128_CCM
> 1590664444.197287:qcrypto_tls_cipher_suite_info data=[0xc0,0x09] version=TLS1.0 name=TLS_ECDHE_ECDSA_AES_128_CBC_SHA1
> 1590664444.197291:qcrypto_tls_cipher_suite_info data=[0x00,0x9d] version=TLS1.2 name=TLS_RSA_AES_256_GCM_SHA384
> 1590664444.197296:qcrypto_tls_cipher_suite_info data=[0xc0,0x9d] version=TLS1.2 name=TLS_RSA_AES_256_CCM
> 1590664444.197300:qcrypto_tls_cipher_suite_info data=[0x00,0x35] version=TLS1.0 name=TLS_RSA_AES_256_CBC_SHA1
> 1590664444.197304:qcrypto_tls_cipher_suite_info data=[0x00,0x9c] version=TLS1.2 name=TLS_RSA_AES_128_GCM_SHA256
> 1590664444.197308:qcrypto_tls_cipher_suite_info data=[0xc0,0x9c] version=TLS1.2 name=TLS_RSA_AES_128_CCM
> 1590664444.197312:qcrypto_tls_cipher_suite_info data=[0x00,0x2f] version=TLS1.0 name=TLS_RSA_AES_128_CBC_SHA1
> 1590664444.197316:qcrypto_tls_cipher_suite_info data=[0x00,0x9f] version=TLS1.2 name=TLS_DHE_RSA_AES_256_GCM_SHA384
> 1590664444.197320:qcrypto_tls_cipher_suite_info data=[0xcc,0xaa] version=TLS1.2 name=TLS_DHE_RSA_CHACHA20_POLY1305
> 1590664444.197325:qcrypto_tls_cipher_suite_info data=[0xc0,0x9f] version=TLS1.2 name=TLS_DHE_RSA_AES_256_CCM
> 1590664444.197329:qcrypto_tls_cipher_suite_info data=[0x00,0x39] version=TLS1.0 name=TLS_DHE_RSA_AES_256_CBC_SHA1
> 1590664444.197333:qcrypto_tls_cipher_suite_info data=[0x00,0x9e] version=TLS1.2 name=TLS_DHE_RSA_AES_128_GCM_SHA256
> 1590664444.197337:qcrypto_tls_cipher_suite_info data=[0xc0,0x9e] version=TLS1.2 name=TLS_DHE_RSA_AES_128_CCM
> 1590664444.197341:qcrypto_tls_cipher_suite_info data=[0x00,0x33] version=TLS1.0 name=TLS_DHE_RSA_AES_128_CBC_SHA1
> 1590664444.197345:qcrypto_tls_cipher_suite_count count: 29
>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
> Acked-by: Laszlo Ersek <lersek@redhat.com>
> Message-Id: <20200623172726.21040-6-philmd@redhat.com>
I noticed only now that this breaks '--object help' in
qemu-storage-daemon:
$ qemu-storage-daemon --object help
List of user creatable objects:
qemu-storage-daemon: missing interface 'fw_cfg-data-generator' for object 'tls-creds'
Aborted (core dumped)
The reason is that we don't (and can't) link hw/nvram/fw_cfg.c into the
storage daemon because it requires other system emulator stuff.
Kevin
next prev parent reply other threads:[~2020-09-29 15:50 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-04 16:39 [PULL 0/5] fw_cfg/crypto patches for 5.1 soft freeze Philippe Mathieu-Daudé
2020-07-04 16:39 ` [PULL 1/5] crypto: Add tls-cipher-suites object Philippe Mathieu-Daudé
2020-07-04 16:39 ` [PULL 2/5] hw/nvram/fw_cfg: Add the FW_CFG_DATA_GENERATOR interface Philippe Mathieu-Daudé
2020-07-04 16:39 ` [PULL 3/5] softmmu/vl: Let -fw_cfg option take a 'gen_id' argument Philippe Mathieu-Daudé
2020-07-13 13:13 ` Peter Maydell
2020-07-13 14:50 ` Laszlo Ersek
2020-07-13 14:55 ` Peter Maydell
2020-07-14 13:04 ` Philippe Mathieu-Daudé
2020-07-04 16:39 ` [PULL 4/5] softmmu/vl: Allow -fw_cfg 'gen_id' option to use the 'etc/' namespace Philippe Mathieu-Daudé
2020-07-04 16:39 ` [PULL 5/5] crypto/tls-cipher-suites: Produce fw_cfg consumable blob Philippe Mathieu-Daudé
2020-09-29 15:46 ` Kevin Wolf [this message]
2020-10-01 7:18 ` Laszlo Ersek
2020-10-05 9:16 ` Philippe Mathieu-Daudé
2020-10-06 8:41 ` Laszlo Ersek
2020-10-06 9:26 ` Philippe Mathieu-Daudé
2020-07-10 8:01 ` [PULL 0/5] fw_cfg/crypto patches for 5.1 soft freeze Peter Maydell
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