diff options
Diffstat (limited to 'common/vboot/common.c')
-rw-r--r-- | common/vboot/common.c | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/common/vboot/common.c b/common/vboot/common.c deleted file mode 100644 index 39f8c193c7..0000000000 --- a/common/vboot/common.c +++ /dev/null @@ -1,58 +0,0 @@ -/* Copyright 2017 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -#include "common.h" -#include "console.h" -#include "rsa.h" -#include "sha256.h" -#include "shared_mem.h" -#include "vboot.h" - -#define CPRINTS(format, args...) cprints(CC_VBOOT, format, ## args) -#define CPRINTF(format, args...) cprintf(CC_VBOOT, format, ## args) - -int vboot_is_padding_valid(const uint8_t *data, uint32_t start, uint32_t end) -{ - const uint32_t *data32 = (const uint32_t *)data; - int i; - - if (start > end) - return EC_ERROR_INVAL; - - if (start % 4 || end % 4) - return EC_ERROR_INVAL; - - for (i = start / 4; i < end / 4; i++) { - if (data32[i] != 0xffffffff) - return EC_ERROR_INVAL; - } - - return EC_SUCCESS; -} - -int vboot_verify(const uint8_t *data, int len, - const struct rsa_public_key *key, const uint8_t *sig) -{ - struct sha256_ctx ctx; - uint8_t *hash; - uint32_t *workbuf; - int err = EC_SUCCESS; - - if (SHARED_MEM_ACQUIRE_CHECK(3 * RSANUMBYTES, (char **)&workbuf)) - return EC_ERROR_MEMORY_ALLOCATION; - - /* Compute hash of the RW firmware */ - SHA256_init(&ctx); - SHA256_update(&ctx, data, len); - hash = SHA256_final(&ctx); - - /* Verify the data */ - if (rsa_verify(key, sig, hash, workbuf) != 1) - err = EC_ERROR_VBOOT_DATA_VERIFY; - - shared_mem_release(workbuf); - - return err; -} |