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	Currently the hash functions used in RSA are called directly from the sha1 and sha256 libraries. Change the RSA checksum library to use the progressive hash API's registered with struct hash_algo. This will allow the checksum library to use the hardware accelerated progressive hash API's once available. Signed-off-by: Ruchika Gupta <ruchika.gupta@freescale.com> CC: Simon Glass <sjg@chromium.org> Acked-by: Simon Glass <sjg@chromium.org> Signed-off-by: Simon Glass <sjg@chromium.org> (Fixed build error in am335x_boneblack_vboot due to duplicate CONFIG_DM) Change-Id: Ic44279432f88d4e8594c6e94feb1cfcae2443a54
		
			
				
	
	
		
			174 lines
		
	
	
		
			6.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			174 lines
		
	
	
		
			6.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2013, Andreas Oetken.
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|  *
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|  * SPDX-License-Identifier:    GPL-2.0+
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|  */
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| 
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| #ifndef USE_HOSTCC
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| #include <common.h>
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| #include <fdtdec.h>
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| #include <asm/byteorder.h>
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| #include <asm/errno.h>
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| #include <asm/unaligned.h>
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| #include <hash.h>
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| #else
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| #include "fdt_host.h"
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| #include <u-boot/sha1.h>
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| #include <u-boot/sha256.h>
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| #endif
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| #include <u-boot/rsa.h>
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| 
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| /* PKCS 1.5 paddings as described in the RSA PKCS#1 v2.1 standard. */
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| 
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| const uint8_t padding_sha256_rsa2048[RSA2048_BYTES - SHA256_SUM_LEN] = {
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| 0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x30, 0x31, 0x30,
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| 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, 0x05,
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| 0x00, 0x04, 0x20
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| };
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| 
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| const uint8_t padding_sha1_rsa2048[RSA2048_BYTES - SHA1_SUM_LEN] = {
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| 	0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0x00, 0x30, 0x21, 0x30,
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| 	0x09, 0x06, 0x05, 0x2b, 0x0e, 0x03, 0x02, 0x1a,
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| 	0x05, 0x00, 0x04, 0x14
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| };
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| 
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| const uint8_t padding_sha256_rsa4096[RSA4096_BYTES - SHA256_SUM_LEN] = {
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| 	0x00, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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| 	0xff, 0xff, 0xff, 0xff, 0x00, 0x30, 0x31, 0x30,
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| 	0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65,
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| 	0x03, 0x04, 0x02, 0x01, 0x05, 0x00, 0x04, 0x20
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| };
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| 
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| int hash_calculate(const char *name,
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| 		    const struct image_region region[],
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| 		    int region_count, uint8_t *checksum)
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| {
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| 	struct hash_algo *algo;
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| 	int ret = 0;
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| 	void *ctx;
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| 	uint32_t i;
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| 	i = 0;
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| 
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| 	ret = hash_progressive_lookup_algo(name, &algo);
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| 	if (ret)
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| 		return ret;
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| 
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| 	ret = algo->hash_init(algo, &ctx);
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| 	if (ret)
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| 		return ret;
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| 
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| 	for (i = 0; i < region_count - 1; i++) {
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| 		ret = algo->hash_update(algo, ctx, region[i].data,
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| 					region[i].size, 0);
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| 		if (ret)
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| 			return ret;
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| 	}
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| 
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| 	ret = algo->hash_update(algo, ctx, region[i].data, region[i].size, 1);
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| 	if (ret)
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| 		return ret;
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| 	ret = algo->hash_finish(algo, ctx, checksum, algo->digest_size);
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| 	if (ret)
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| 		return ret;
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| 
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| 	return 0;
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| }
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