Reviewed-by: Jian J Wang <jian.j.wang@intel.com>
Regards,
Jian
> -----Original Message-----
> From: Vang, Judah <judah.vang@intel.com>
> Sent: Thursday, August 11, 2022 2:53 PM
> To: devel@edk2.groups.io
> Cc: Wang, Jian J <jian.j.wang@intel.com>; Yao, Jiewen <jiewen.yao@intel.com>;
> Mistry, Nishant C <nishant.c.mistry@intel.com>
> Subject: [PATCH v4 11/28] SecurityPkg: Add new KeyService types and defines
>
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2594
>
> V4: revert copyright date change.
>
> V1: Add new KeyService types and defines.
>
> Cc: Jian J Wang <jian.j.wang@intel.com>
> Cc: Jiewen Yao <jiewen.yao@intel.com>
> Cc: Nishant C Mistry <nishant.c.mistry@intel.com>
> Signed-off-by: Jian J Wang <jian.j.wang@intel.com>
> Signed-off-by: Nishant C Mistry <nishant.c.mistry@intel.com>
> Signed-off-by: Judah Vang <judah.vang@intel.com>
> ---
> SecurityPkg/Include/Ppi/KeyServicePpi.h | 57 ++++++++++++++++++++
> 1 file changed, 57 insertions(+)
>
> diff --git a/SecurityPkg/Include/Ppi/KeyServicePpi.h
> b/SecurityPkg/Include/Ppi/KeyServicePpi.h
> new file mode 100644
> index 000000000000..8cfec04f96e5
> --- /dev/null
> +++ b/SecurityPkg/Include/Ppi/KeyServicePpi.h
> @@ -0,0 +1,57 @@
> +/** @file
> + Provides Key Services.
> +
> +Copyright (c) 2008 - 2022, Intel Corporation. All rights reserved.<BR>
> +SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +@par Specification Reference:
> +**/
> +
> +#ifndef PEI_KEY_SERVICE_PPI_H_
> +#define PEI_KEY_SERVICE_PPI_H_
> +///
> +/// KEY SERVICE PPI GUID
> +///
> +extern EFI_GUID gKeyServicePpiGuid;
> +
> +/**
> + Generate a new key from root key.
> +
> + @param[in] Salt Pointer to the salt(non-secret) value.
> + @param[in] SaltSize Salt size in bytes.
> + @param[out] NewKey Pointer to buffer to receive new key.
> + @param[in] NewKeySize Size of new key bytes to generate.
> +
> + @retval EFI_SUCCESS The function completed successfully
> + @retval OTHER The function completed with failure.
> +**/
> +typedef
> +EFI_STATUS
> +(EFIAPI *KEY_SERVICE_GEN_KEY)(
> + IN UINT8 *Salt,
> + IN UINTN SaltSize,
> + OUT UINT8 *NewKey,
> + IN UINTN NewKeySize
> + );
> +
> +#define KEY_SERVICE_PPI_REVISION 1
> +#define ROOT_KEY_LEN 64
> +#define SALT_SIZE_MIN_LEN 64
> +#define KEY_SERVICE_KEY_NAME L"KEY_SERVICE_KEY"
> +
> +typedef struct {
> + UINT8 RootKey[ROOT_KEY_LEN];
> + UINT8 PreviousRootKey[ROOT_KEY_LEN];
> +} KEY_SERVICE_DATA;
> +
> +typedef struct _KEY_SERVICE_PPI KEY_SERVICE_PPI;
> +
> +///
> +/// KEY SERVICE PPI
> +/// The interface functions are for Key Service in PEI Phase
> +///
> +struct _KEY_SERVICE_PPI {
> + KEY_SERVICE_GEN_KEY GenerateKey; /// Generate Key
> +};
> +
> +#endif
> --
> 2.35.1.windows.2
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