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[79.146.86.182]) by smtp.gmail.com with ESMTPSA id y63sm12581131wmd.21.2021.02.06.15.11.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 06 Feb 2021 15:11:52 -0800 (PST) From: Jorge Ramirez-Ortiz To: jorge@foundries.io, jens.wiklander@linaro.org, sjg@chromium.org Cc: igor.opaniuk@foundries.io, u-boot@lists.denx.de Subject: [PATCHv2 2/3] cmd: SCP03: enable and provision command Date: Sun, 7 Feb 2021 00:11:46 +0100 Message-Id: <20210206231147.5368-2-jorge@foundries.io> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210206231147.5368-1-jorge@foundries.io> References: <20210206231147.5368-1-jorge@foundries.io> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.102.3 at phobos.denx.de X-Virus-Status: Clean Enable and provision the SCP03 keys on a TEE controlled secured elemt from the U-Boot shell. Signed-off-by: Jorge Ramirez-Ortiz --- cmd/Kconfig | 9 ++++++++ cmd/Makefile | 3 +++ cmd/scp03.c | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 76 insertions(+) create mode 100644 cmd/scp03.c diff --git a/cmd/Kconfig b/cmd/Kconfig index 928a2a0a2d..4f990249b4 100644 --- a/cmd/Kconfig +++ b/cmd/Kconfig @@ -2021,6 +2021,15 @@ config HASH_VERIFY help Add -v option to verify data against a hash. +config CMD_SCP03 + bool "scp03 - SCP03 enable and rotate/provision operations" + depends on SCP03 + help + Enables the SCP03 commands to activate I2C channel encryption and + provision the SCP03 keys. + scp03 enable + scp03 provision + config CMD_TPM_V1 bool diff --git a/cmd/Makefile b/cmd/Makefile index 176bf925fd..a7017e8452 100644 --- a/cmd/Makefile +++ b/cmd/Makefile @@ -193,6 +193,9 @@ obj-$(CONFIG_CMD_BLOB) += blob.o # Android Verified Boot 2.0 obj-$(CONFIG_CMD_AVB) += avb.o +# Foundries.IO SCP03 +obj-$(CONFIG_CMD_SCP03) += scp03.o + obj-$(CONFIG_ARM) += arm/ obj-$(CONFIG_RISCV) += riscv/ obj-$(CONFIG_SANDBOX) += sandbox/ diff --git a/cmd/scp03.c b/cmd/scp03.c new file mode 100644 index 0000000000..07913dbd3e --- /dev/null +++ b/cmd/scp03.c @@ -0,0 +1,64 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2021, Foundries.IO + * + */ + +#include +#include +#include +#include + +int do_scp03_enable(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + if (argc != 1) + return CMD_RET_USAGE; + + if (tee_enable_scp03()) + return CMD_RET_FAILURE; + + return CMD_RET_SUCCESS; +} + +int do_scp03_provision(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + if (argc != 1) + return CMD_RET_USAGE; + + if (tee_provision_scp03()) + return CMD_RET_FAILURE; + + return CMD_RET_SUCCESS; +} + +static struct cmd_tbl cmd_scp03[] = { + U_BOOT_CMD_MKENT(enable, 1, 0, do_scp03_enable, "", ""), + U_BOOT_CMD_MKENT(provision, 1, 0, do_scp03_provision, "", ""), +}; + +static int do_scp03(struct cmd_tbl *cmdtp, int flag, int argc, + char * const argv[]) +{ + struct cmd_tbl *cp; + + cp = find_cmd_tbl(argv[1], cmd_scp03, ARRAY_SIZE(cmd_scp03)); + + argc--; + argv++; + + if (!cp || argc > cp->maxargs) + return CMD_RET_USAGE; + + if (flag == CMD_FLAG_REPEAT) + return CMD_RET_FAILURE; + + return cp->cmd(cmdtp, flag, argc, argv); +} + +U_BOOT_CMD(scp03, 2, 0, do_scp03, + "Provides a command to enable SCP03 and provision the SCP03 keys\n", + "\tenable - enable SCP03\n" + "\tprovision - provision SCP03\n" +);