diff options
Diffstat (limited to 'common/cmd_blob.c')
| -rw-r--r-- | common/cmd_blob.c | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/common/cmd_blob.c b/common/cmd_blob.c deleted file mode 100644 index ac8b268..0000000 --- a/common/cmd_blob.c +++ /dev/null @@ -1,111 +0,0 @@ -/* - * - * Command for encapsulating/decapsulating blob of memory. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <command.h> -#include <environment.h> -#include <malloc.h> -#include <asm/byteorder.h> -#include <linux/compiler.h> - -DECLARE_GLOBAL_DATA_PTR; - -/** - * blob_decap() - Decapsulate the data as a blob - * @key_mod: - Pointer to key modifier/key - * @src: - Address of data to be decapsulated - * @dst: - Address of data to be decapsulated - * @len: - Size of data to be decapsulated - * - * Returns zero on success,and negative on error. - */ -__weak int blob_decap(u8 *key_mod, u8 *src, u8 *dst, u32 len) -{ - return 0; -} - -/** - * blob_encap() - Encapsulate the data as a blob - * @key_mod: - Pointer to key modifier/key - * @src: - Address of data to be encapsulated - * @dst: - Address of data to be encapsulated - * @len: - Size of data to be encapsulated - * - * Returns zero on success,and negative on error. - */ -__weak int blob_encap(u8 *key_mod, u8 *src, u8 *dst, u32 len) -{ - return 0; -} - -/** - * do_blob() - Handle the "blob" command-line command - * @cmdtp: Command data struct pointer - * @flag: Command flag - * @argc: Command-line argument count - * @argv: Array of command-line arguments - * - * Returns zero on success, CMD_RET_USAGE in case of misuse and negative - * on error. - */ -static int do_blob(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) -{ - uint32_t key_addr, src_addr, dst_addr, len; - uint8_t *km_ptr, *src_ptr, *dst_ptr; - int enc, ret = 0; - - if (argc != 6) - return CMD_RET_USAGE; - - if (!strncmp(argv[1], "enc", 3)) - enc = 1; - else if (!strncmp(argv[1], "dec", 3)) - enc = 0; - else - return CMD_RET_USAGE; - - src_addr = simple_strtoul(argv[2], NULL, 16); - dst_addr = simple_strtoul(argv[3], NULL, 16); - len = simple_strtoul(argv[4], NULL, 16); - key_addr = simple_strtoul(argv[5], NULL, 16); - - km_ptr = (uint8_t *)(uintptr_t)key_addr; - src_ptr = (uint8_t *)(uintptr_t)src_addr; - dst_ptr = (uint8_t *)(uintptr_t)dst_addr; - - if (enc) - ret = blob_encap(km_ptr, src_ptr, dst_ptr, len); - else - ret = blob_decap(km_ptr, src_ptr, dst_ptr, len); - - return ret; -} - -/***************************************************/ -static char blob_help_text[] = - "enc src dst len km - Encapsulate and create blob of data\n" - " $len bytes long at address $src and\n" - " store the result at address $dst.\n" - " $km is the address where the key\n" - " modifier is stored.\n" - " The modifier is required for generation\n" - " /use as key for cryptographic operation.\n" - " Key modifier should be 16 byte long.\n" - "blob dec src dst len km - Decapsulate the blob of data at address\n" - " $src and store result of $len byte at\n" - " addr $dst.\n" - " $km is the address where the key\n" - " modifier is stored.\n" - " The modifier is required for generation\n" - " /use as key for cryptographic operation.\n" - " Key modifier should be 16 byte long.\n"; - -U_BOOT_CMD( - blob, 6, 1, do_blob, - "Blob encapsulation/decryption", - blob_help_text -); |