| /* |
| * Copyright (c) 2011,2014-2015 The Linux Foundation. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| #ifndef __IMAGE_VERIFY_H |
| #define __IMAGE_VERIFY_H |
| |
| #include <x509.h> |
| |
| #define SHA1_SIZE 16 |
| #define SHA256_SIZE 32 |
| /* For keys of length 2048 bits */ |
| #define SIGNATURE_SIZE 256 |
| |
| static int image_decrypt_signature(unsigned char *signature_ptr, |
| unsigned char *plain_text); |
| int image_verify(unsigned char *image_ptr, |
| unsigned char *signature_ptr, |
| unsigned int image_size, unsigned hash_type); |
| |
| /* Decrypt signature with RSA public key */ |
| int image_decrypt_signature_rsa(unsigned char *signature_ptr, |
| unsigned char *plain_text, RSA *rsa_key); |
| |
| /* Find hash of image */ |
| void image_find_digest(unsigned char *image_ptr, unsigned int image_size, |
| unsigned hash_type, unsigned char *digest); |
| void save_kernel_hash_cmd(void *digest); |
| void save_kernel_hash(unsigned char *digest, unsigned hash_type); |
| #endif |