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Tue, 18 Aug 2026 09:23:04 +0000 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 8/8] tests/qtest: Add ASPEED SBC ECDSA engine test Thread-Topic: [PATCH v1 8/8] tests/qtest: Add ASPEED SBC ECDSA engine test Thread-Index: AQHdLvMs8ttTpiwfPEudO8nu+Ak1VQ== Date: Tue, 18 Aug 2026 09:23:04 +0000 Message-ID: <20260818092249.602137-9-jamin_lin@aspeedtech.com> References: <20260818092249.602137-1-jamin_lin@aspeedtech.com> In-Reply-To: <20260818092249.602137-1-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=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-arm@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org Sender: qemu-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org Add a qtest for the ASPEED secure boot controller ECDSA engine. It stages= =0A= the public key, signature and SHA-384 digest of a secp384r1 known-answer=0A= vector (from the Linux kernel crypto self-test manager,=0A= ecdsa_nist_p384_tv_template) into the SEC SRAM, triggers the engine's=0A= verify command and checks the status register: a valid signature reports=0A= done + pass, and a tampered signature reports done without pass.=0A= =0A= The test is skipped when the crypto backend does not support ECDSA, via=0A= qcrypto_akcipher_supports().=0A= =0A= Signed-off-by: Jamin Lin =0A= ---=0A= tests/qtest/aspeed-sbc-test.c | 190 ++++++++++++++++++++++++++++++++++=0A= tests/qtest/meson.build | 2 +=0A= 2 files changed, 192 insertions(+)=0A= create mode 100644 tests/qtest/aspeed-sbc-test.c=0A= =0A= diff --git a/tests/qtest/aspeed-sbc-test.c b/tests/qtest/aspeed-sbc-test.c= =0A= new file mode 100644=0A= index 0000000000..927a54dffb=0A= --- /dev/null=0A= +++ b/tests/qtest/aspeed-sbc-test.c=0A= @@ -0,0 +1,190 @@=0A= +/*=0A= + * QTest testcase for the ASPEED Secure Boot Controller (SBC)=0A= + *=0A= + * Copyright (C) 2026 ASPEED Technology Inc.=0A= + *=0A= + * SPDX-License-Identifier: GPL-2.0-or-later=0A= + */=0A= +=0A= +#include "qemu/osdep.h"=0A= +#include "libqtest.h"=0A= +#include "qemu/bitops.h"=0A= +#include "crypto/akcipher.h"=0A= +=0A= +/* SBC register block */=0A= +#define SBC_STATUS 0x014=0A= +#define SBC_ECDSA_VERIFY_PASS BIT(21)=0A= +#define SBC_ECDSA_VERIFY_DONE BIT(20)=0A= +#define SBC_ECDSA_CMD 0x0bc=0A= +#define SBC_ECDSA_CMD_TRIGGER BIT(1)=0A= +=0A= +/*=0A= + * SEC SRAM operand offsets for a secp384r1 ECDSA verify. Every operand is= a=0A= + * 48-byte big-endian integer.=0A= + */=0A= +#define ECDSA_SRAM_QX 0x2080=0A= +#define ECDSA_SRAM_QY 0x20c0=0A= +#define ECDSA_SRAM_R 0x21c0=0A= +#define ECDSA_SRAM_S 0x2200=0A= +#define ECDSA_SRAM_M 0x2240=0A= +=0A= +/*=0A= + * ECDSA secp384r1 / SHA-384 known-answer vector from the Linux kernel cry= pto=0A= + * self-test manager (ecdsa_nist_p384_tv_template, sha384 entry in=0A= + * crypto/testmgr.h, v6.18), decoded into raw big-endian form: public key= =0A= + * Qx || Qy, signature r || s and the SHA-384 message digest.=0A= + *=0A= + * https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tr= ee/crypto/testmgr.h?h=3Dv6.18=0A= + */=0A= +static const uint8_t ecdsa_p384_pubkey[96] =3D {=0A= + /* Qx */=0A= + 0x3a, 0x2f, 0x62, 0xe7, 0x1a, 0xcf, 0x24, 0xd0,=0A= + 0x0b, 0x7c, 0xe0, 0xed, 0x46, 0x0a, 0x4f, 0x74,=0A= + 0x16, 0x43, 0xe9, 0x1a, 0x25, 0x7c, 0x55, 0xff,=0A= + 0xf0, 0x29, 0x68, 0x66, 0x20, 0x91, 0xf9, 0xdb,=0A= + 0x2b, 0xf6, 0xb3, 0x6c, 0x54, 0x01, 0xca, 0xc7,=0A= + 0x6a, 0x5c, 0x0d, 0xeb, 0x68, 0xd9, 0x3c, 0xf1,=0A= + /* Qy */=0A= + 0x01, 0x74, 0x1f, 0xf9, 0x6c, 0xe5, 0x5b, 0x60,=0A= + 0xe9, 0x7f, 0x5d, 0xb3, 0x12, 0x80, 0x2a, 0xd8,=0A= + 0x67, 0x92, 0xc9, 0x0e, 0x4c, 0x4c, 0x6b, 0xa1,=0A= + 0xb2, 0xa8, 0x1e, 0xac, 0x1c, 0x97, 0xd9, 0x21,=0A= + 0x67, 0xe5, 0x1b, 0x5a, 0x52, 0x31, 0x68, 0xd6,=0A= + 0xee, 0xf0, 0x19, 0xb0, 0x55, 0xed, 0x89, 0x9e,=0A= +};=0A= +=0A= +static const uint8_t ecdsa_p384_signature[96] =3D {=0A= + /* r */=0A= + 0x9b, 0x28, 0x68, 0xc0, 0xa1, 0xea, 0x8c, 0x50,=0A= + 0xee, 0x2e, 0x62, 0x35, 0x46, 0xfa, 0x00, 0xd8,=0A= + 0x2d, 0x7a, 0x91, 0x5f, 0x49, 0x2d, 0x22, 0x08,=0A= + 0x29, 0xe6, 0xfb, 0xca, 0x8c, 0xd6, 0xb6, 0xb4,=0A= + 0x3b, 0x1f, 0x07, 0x8f, 0x15, 0x02, 0xfe, 0x1d,=0A= + 0xa2, 0xa4, 0xc8, 0xf2, 0xea, 0x9d, 0x11, 0x1f,=0A= + /* s */=0A= + 0xfc, 0x50, 0xf6, 0x43, 0xbd, 0x50, 0x82, 0x0e,=0A= + 0xbf, 0xe3, 0x75, 0x24, 0x49, 0xac, 0xfb, 0xc8,=0A= + 0x71, 0xcd, 0x8f, 0x18, 0x99, 0xf0, 0x0f, 0x13,=0A= + 0x44, 0x92, 0x8c, 0x86, 0x99, 0x65, 0xb3, 0x97,=0A= + 0x96, 0x17, 0x04, 0xc9, 0x05, 0x77, 0xf1, 0x8e,=0A= + 0xab, 0x8d, 0x4e, 0xde, 0xe6, 0x6d, 0x9b, 0x66,=0A= +};=0A= +=0A= +static const uint8_t ecdsa_p384_dgst[48] =3D {=0A= + 0x8d, 0xf2, 0xc0, 0xe9, 0xa8, 0xf3, 0x8e, 0x44,=0A= + 0xc4, 0x8c, 0x1a, 0xa0, 0xb8, 0xd7, 0x17, 0xdf,=0A= + 0xf2, 0x37, 0x1b, 0xc6, 0xe3, 0xf5, 0x62, 0xcc,=0A= + 0x68, 0xf5, 0xd5, 0x0b, 0xbf, 0x73, 0x2b, 0xb1,=0A= + 0xb0, 0x4c, 0x04, 0x00, 0x31, 0xab, 0xfe, 0xc8,=0A= + 0xd6, 0x09, 0xc8, 0xf2, 0xea, 0xd3, 0x28, 0xff,=0A= +};=0A= +=0A= +typedef struct AspeedSBCECDSA {=0A= + const char *name;=0A= + QCryptoCurveID curve_id;=0A= + const uint8_t *pubkey;=0A= + const uint8_t *signature;=0A= + const uint8_t *dgst;=0A= + size_t coord_len;=0A= +} AspeedSBCECDSA;=0A= +=0A= +static const AspeedSBCECDSA sbc_ecdsa_tests[] =3D {=0A= + {=0A= + .name =3D "secp384r1",=0A= + .curve_id =3D QCRYPTO_CURVE_ID_SECP384R1,=0A= + .pubkey =3D ecdsa_p384_pubkey,=0A= + .signature =3D ecdsa_p384_signature,=0A= + .dgst =3D ecdsa_p384_dgst,=0A= + .coord_len =3D 48,=0A= + },=0A= +};=0A= +=0A= +typedef struct AspeedSBCTest {=0A= + const char *machine;=0A= + uint32_t base;=0A= + uint64_t sram_base;=0A= + int index;=0A= +} AspeedSBCTest;=0A= +=0A= +static void sbc_ecdsa_stage(QTestState *qts, const AspeedSBCTest *c,=0A= + const AspeedSBCECDSA *t)=0A= +{=0A= + size_t len =3D t->coord_len;=0A= +=0A= + qtest_memwrite(qts, c->sram_base + ECDSA_SRAM_QX, t->pubkey, len);=0A= + qtest_memwrite(qts, c->sram_base + ECDSA_SRAM_QY, t->pubkey + len, len= );=0A= + qtest_memwrite(qts, c->sram_base + ECDSA_SRAM_R, t->signature, len);= =0A= + qtest_memwrite(qts, c->sram_base + ECDSA_SRAM_S, t->signature + len, l= en);=0A= + qtest_memwrite(qts, c->sram_base + ECDSA_SRAM_M, t->dgst, len);=0A= +}=0A= +=0A= +/*=0A= + * Drive one ECDSA verify through the engine the way the guest firmware do= es:=0A= + * stage the operands in the SEC SRAM, trigger the command register and re= ad=0A= + * back the done/pass bits in the status register.=0A= + */=0A= +static void test_ecdsa_verify(const void *opaque)=0A= +{=0A= + const AspeedSBCTest *c =3D opaque;=0A= + const AspeedSBCECDSA *t =3D &sbc_ecdsa_tests[c->index];=0A= + QTestState *qts =3D qtest_init(c->machine);=0A= + uint32_t status;=0A= + uint8_t bad;=0A= +=0A= + /* A valid signature verifies */=0A= + sbc_ecdsa_stage(qts, c, t);=0A= + qtest_writel(qts, c->base + SBC_ECDSA_CMD, SBC_ECDSA_CMD_TRIGGER);=0A= + status =3D qtest_readl(qts, c->base + SBC_STATUS);=0A= + g_assert_cmphex(status & (SBC_ECDSA_VERIFY_DONE | SBC_ECDSA_VERIFY_PAS= S),=0A= + =3D=3D, SBC_ECDSA_VERIFY_DONE | SBC_ECDSA_VERIFY_PASS)= ;=0A= +=0A= + /* A tampered signature must fail */=0A= + bad =3D t->signature[0] ^ 0xff;=0A= + qtest_memwrite(qts, c->sram_base + ECDSA_SRAM_R, &bad, 1);=0A= + qtest_writel(qts, c->base + SBC_ECDSA_CMD, SBC_ECDSA_CMD_TRIGGER);=0A= + status =3D qtest_readl(qts, c->base + SBC_STATUS);=0A= + g_assert_cmphex(status & SBC_ECDSA_VERIFY_DONE, =3D=3D, SBC_ECDSA_VERI= FY_DONE);=0A= + g_assert_cmphex(status & SBC_ECDSA_VERIFY_PASS, =3D=3D, 0);=0A= +=0A= + qtest_quit(qts);=0A= +}=0A= +=0A= +static void aspeed_add_sbc_ecdsa_tests(const char *prefix, const char *mac= hine,=0A= + uint32_t base, uint64_t sram_base)= =0A= +{=0A= + int i;=0A= +=0A= + for (i =3D 0; i < ARRAY_SIZE(sbc_ecdsa_tests); i++) {=0A= + QCryptoAkCipherOptions opts =3D {=0A= + .alg =3D QCRYPTO_AK_CIPHER_ALGO_ECDSA,=0A= + .u.ecdsa.curve_id =3D sbc_ecdsa_tests[i].curve_id,=0A= + };=0A= + g_autofree char *path =3D NULL;=0A= + AspeedSBCTest *t;=0A= +=0A= + if (!qcrypto_akcipher_supports(&opts)) {=0A= + g_printerr("# skip SBC ECDSA %s test: not supported by the cry= pto "=0A= + "backend\n", sbc_ecdsa_tests[i].name);=0A= + continue;=0A= + }=0A= +=0A= + path =3D g_strdup_printf("%s/sbc/ecdsa/%s", prefix,=0A= + sbc_ecdsa_tests[i].name);=0A= + t =3D g_new0(AspeedSBCTest, 1);=0A= + t->machine =3D machine;=0A= + t->base =3D base;=0A= + t->sram_base =3D sram_base;=0A= + t->index =3D i;=0A= + qtest_add_data_func_full(path, t, test_ecdsa_verify, g_free);=0A= + }=0A= +}=0A= +=0A= +int main(int argc, char **argv)=0A= +{=0A= + g_test_init(&argc, &argv, NULL);=0A= +=0A= + aspeed_add_sbc_ecdsa_tests("ast1030", "-machine ast1030-evb",=0A= + 0x7e6f2000, 0x79000000);=0A= +=0A= + return g_test_run();=0A= +}=0A= diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build=0A= index f7c7d06620..af7a460e08 100644=0A= --- a/tests/qtest/meson.build=0A= +++ b/tests/qtest/meson.build=0A= @@ -222,6 +222,7 @@ qtests_npcm8xx =3D \=0A= qtests_aspeed =3D \=0A= ['aspeed_gpio-test',=0A= 'aspeed_hace-test',=0A= + 'aspeed-sbc-test',=0A= 'aspeed_scu-test',=0A= 'aspeed_smc-test']=0A= qtests_aspeed64 =3D \=0A= @@ -394,6 +395,7 @@ endif=0A= qtests =3D {=0A= 'aspeed_hace-test': [files('aspeed-hace-utils.c', 'aspeed_hace-test.c'),= =0A= crypto],=0A= + 'aspeed-sbc-test': [files('aspeed-sbc-test.c'), crypto],=0A= 'aspeed_smc-test': files('aspeed-smc-utils.c', 'aspeed_smc-test.c'),=0A= 'ast2700-hace-test': [files('aspeed-hace-utils.c', 'ast2700-hace-test.c'= ),=0A= crypto],=0A= -- =0A= 2.53.0=0A=