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bh=GPiU3JkWJB0Wa9KOKojTt0wI6nR0DW9xq29NUJuEaTc=; b=F9MgA36obOzg0jmqRLXTcR2tosJppsWjHgsyC6Fk2ymk1GR8vufD61wVIX/5DEZZjpvjemKRv/GTjvfqHkJhhrInP2QRYSxsZ2WbAsJ1WZNfNDBmk1jTP4toq2oyeziC/GEWbsceXyrzV7BHxFaP5aAIc23WixJx2MfvyqHffRG53IbFFbXKJLCfPSi8fj8rsnv9Cym0lMX7VqH3LRVkTJT1CBR6I1eaMvBfOPuFyfbHlfsXCT1RClajUwiTWz8ossrenQb3cyj7yo0cNbbPT4a6pVNI4tkKxtB+9V2vp7itwi9eos82+RoAMeUcY9xwm0J8C9y4/qY3tE+pheAqEw== From: Jamin Lin To: =?iso-8859-1?Q?Daniel_P=2E_Berrang=E9?= , =?iso-8859-1?Q?C=E9dric_Le_Goater?= , Peter Maydell , Steven Lee , Troy Lee , Kane Chen , Andrew Jeffery , Joel Stanley , Eric Blake , Markus Armbruster , Fabiano Rosas , Laurent Vivier , Paolo Bonzini , "open list:All patches CC here" , "open list:ASPEED BMCs" CC: Jamin Lin , Troy Lee Subject: [PATCH v1 07/15] crypto/cipher: Add GCM to QCryptoCipherMode Thread-Topic: [PATCH v1 07/15] crypto/cipher: Add GCM to QCryptoCipherMode Thread-Index: AQHdE2J3rBhk6fqDUE+nrdUltkk9Xg== Date: Tue, 14 Jul 2026 07:29:11 +0000 Message-ID: <20260714072900.3023742-8-jamin_lin@aspeedtech.com> References: <20260714072900.3023742-1-jamin_lin@aspeedtech.com> In-Reply-To: <20260714072900.3023742-1-jamin_lin@aspeedtech.com> Accept-Language: zh-TW, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=aspeedtech.com; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists1p.gnu.org; Received-SPF: pass client-ip=2a01:111:f403:c405::7; envelope-from=jamin_lin@aspeedtech.com; helo=TYDPR03CU002.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @aspeedtech.com) X-ZM-MESSAGEID: 1784014412065158500 Content-Type: text/plain; charset="utf-8" Introduce the GCM cipher mode so authenticated encryption can be built on top of the existing qcrypto_cipher API. GCM is an IV-based mode, so register it in mode_need_iv. No backend advertises it yet, so it stays unsupported until a backend and the AAD/tag helpers are added in the following patches. Signed-off-by: Jamin Lin Acked-by: Daniel P. Berrang=C3=A9 Reviewed-by: Daniel P. Berrang=C3=A9 --- qapi/crypto.json | 4 +++- crypto/cipher.c | 1 + 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/qapi/crypto.json b/qapi/crypto.json index 2b55befef9..6e3a98ff68 100644 --- a/qapi/crypto.json +++ b/qapi/crypto.json @@ -121,10 +121,12 @@ # # @ctr: Counter (Since 2.8) # +# @gcm: Galois/Counter Mode (Since 11.2) +# # Since: 2.6 ## { 'enum': 'QCryptoCipherMode', - 'data': ['ecb', 'cbc', 'xts', 'ctr']} + 'data': ['ecb', 'cbc', 'xts', 'ctr', 'gcm']} =20 ## # @QCryptoIVGenAlgo: diff --git a/crypto/cipher.c b/crypto/cipher.c index 515165e0dc..52d071a90c 100644 --- a/crypto/cipher.c +++ b/crypto/cipher.c @@ -66,6 +66,7 @@ static const bool mode_need_iv[QCRYPTO_CIPHER_MODE__MAX] = =3D { [QCRYPTO_CIPHER_MODE_CBC] =3D true, [QCRYPTO_CIPHER_MODE_XTS] =3D true, [QCRYPTO_CIPHER_MODE_CTR] =3D true, + [QCRYPTO_CIPHER_MODE_GCM] =3D true, }; =20 =20 --=20 2.43.0