diff options
| -rw-r--r-- | nugget/include/app_nugget.h | 44 | ||||
| -rw-r--r-- | nugget/proto/nugget/app/keymaster/keymaster.options | 2 |
2 files changed, 45 insertions, 1 deletions
diff --git a/nugget/include/app_nugget.h b/nugget/include/app_nugget.h index 525e774..1ef9f31 100644 --- a/nugget/include/app_nugget.h +++ b/nugget/include/app_nugget.h @@ -370,6 +370,50 @@ enum nugget_sjtag_avb_boot_lock_result { * @errors APP_ERROR_BOGUS_ARGS */ +/* + * Persistent storage of arbitrary data, up to + * (FS_MAX_FILE_SIZE - sizeof(struct nugget_app_data)) bytes. + */ +struct nugget_app_storage { + uint32_t flags; /* TBD, use zero for now */ +#ifndef __cplusplus + uint8_t data[]; /* Zero or more bytes */ +#endif +} __packed; + +#define NUGGET_PARAM_STORAGE_WRITE 0x0014 +/* + * Write arbitrary data. + * + * The current storage is erased, then new data (if any) is saved. + * + * .flags meaning is not yet defined; for now it must be 0x00000000 + * Possible usage could restrict reading to the bootloader, + * erase data after N reads or reboots, etc. + * + * @param args struct nugget_app_storage + zero or more bytes + * @param arg_len To write: > sizeof(struct nugget_app_storage) + * To erase: <= sizeof(struct nugget_app_storage) + * @param reply <none> + * @param reply_len 0 + * + * @errors APP_ERROR_BOGUS_ARGS + */ +#define NUGGET_PARAM_STORAGE_READ 0x0015 +/* + * Read arbitrary data. + * + * On success, struct nugget_app_storage is returned, followed by zero + * or more bytes of .data + * + * @param args <none> + * @param arg_len 0 + * @param reply struct nugget_app_storage + zero or more bytes + * @param reply_len <varies> + * + * @errors APP_ERROR_BOGUS_ARGS + */ + /****************************************************************************/ /* Test related commands */ diff --git a/nugget/proto/nugget/app/keymaster/keymaster.options b/nugget/proto/nugget/app/keymaster/keymaster.options index be1a236..4d99765 100644 --- a/nugget/proto/nugget/app/keymaster/keymaster.options +++ b/nugget/proto/nugget/app/keymaster/keymaster.options @@ -4,7 +4,7 @@ nugget.app.keymaster.ImportWrappedKeyRequest.masking_key max_size:32 nugget.app.keymaster.SetRootOfTrustRequest.digest max_size:32 nugget.app.keymaster.SetBootStateRequest.public_key max_size:32 nugget.app.keymaster.SetBootStateRequest.boot_hash max_size:32 -nugget.app.keymaster.ComputeSharedHmacRequest.hmac_sharing_params max_count:3 +nugget.app.keymaster.ComputeSharedHmacRequest.hmac_sharing_params max_count:10 nugget.app.keymaster.ComputeSharedHmacResponse.sharing_check max_size:32 nugget.app.keymaster.DTupHandshakeRequest.nonce_client max_size:32 nugget.app.keymaster.DTupHandshakeResponse.nonce_citadel max_size:32 |