1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2013, Google Inc.
7 #include <fdt_support.h>
9 #include <linux/libfdt.h>
11 #include <u-boot/ecdsa.h>
12 #include <u-boot/rsa.h>
13 #include <u-boot/hash-checksum.h>
15 struct checksum_algo checksum_algos
[] = {
18 .checksum_len
= SHA1_SUM_LEN
,
19 .der_len
= SHA1_DER_LEN
,
20 .der_prefix
= sha1_der_prefix
,
21 .calculate_sign
= EVP_sha1
,
22 .calculate
= hash_calculate
,
26 .checksum_len
= SHA256_SUM_LEN
,
27 .der_len
= SHA256_DER_LEN
,
28 .der_prefix
= sha256_der_prefix
,
29 .calculate_sign
= EVP_sha256
,
30 .calculate
= hash_calculate
,
34 .checksum_len
= SHA384_SUM_LEN
,
35 .der_len
= SHA384_DER_LEN
,
36 .der_prefix
= sha384_der_prefix
,
37 .calculate_sign
= EVP_sha384
,
38 .calculate
= hash_calculate
,
42 .checksum_len
= SHA512_SUM_LEN
,
43 .der_len
= SHA512_DER_LEN
,
44 .der_prefix
= sha512_der_prefix
,
45 .calculate_sign
= EVP_sha512
,
46 .calculate
= hash_calculate
,
50 struct crypto_algo crypto_algos
[] = {
53 .key_len
= RSA2048_BYTES
,
55 .add_verify_data
= rsa_add_verify_data
,
60 .key_len
= RSA3072_BYTES
,
62 .add_verify_data
= rsa_add_verify_data
,
67 .key_len
= RSA4096_BYTES
,
69 .add_verify_data
= rsa_add_verify_data
,
74 .key_len
= ECDSA256_BYTES
,
76 .add_verify_data
= ecdsa_add_verify_data
,
77 .verify
= ecdsa_verify
,
81 struct padding_algo padding_algos
[] = {
84 .verify
= padding_pkcs_15_verify
,
88 .verify
= padding_pss_verify
,
92 struct checksum_algo
*image_get_checksum_algo(const char *full_name
)
97 for (i
= 0; i
< ARRAY_SIZE(checksum_algos
); i
++) {
98 name
= checksum_algos
[i
].name
;
99 /* Make sure names match and next char is a comma */
100 if (!strncmp(name
, full_name
, strlen(name
)) &&
101 full_name
[strlen(name
)] == ',')
102 return &checksum_algos
[i
];
108 struct crypto_algo
*image_get_crypto_algo(const char *full_name
)
113 /* Move name to after the comma */
114 name
= strchr(full_name
, ',');
119 for (i
= 0; i
< ARRAY_SIZE(crypto_algos
); i
++) {
120 if (!strcmp(crypto_algos
[i
].name
, name
))
121 return &crypto_algos
[i
];
127 struct padding_algo
*image_get_padding_algo(const char *name
)
134 for (i
= 0; i
< ARRAY_SIZE(padding_algos
); i
++) {
135 if (!strcmp(padding_algos
[i
].name
, name
))
136 return &padding_algos
[i
];