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6#include <common.h>
7#include <log.h>
8#include <malloc.h>
9#include <asm/global_data.h>
10DECLARE_GLOBAL_DATA_PTR;
11#include <image.h>
12#include <u-boot/ecdsa.h>
13#include <u-boot/rsa.h>
14#include <u-boot/hash-checksum.h>
15
16#define IMAGE_MAX_HASHED_NODES 100
17
18struct checksum_algo checksum_algos[] = {
19 {
20 .name = "sha1",
21 .checksum_len = SHA1_SUM_LEN,
22 .der_len = SHA1_DER_LEN,
23 .der_prefix = sha1_der_prefix,
24 .calculate = hash_calculate,
25 },
26 {
27 .name = "sha256",
28 .checksum_len = SHA256_SUM_LEN,
29 .der_len = SHA256_DER_LEN,
30 .der_prefix = sha256_der_prefix,
31 .calculate = hash_calculate,
32 },
33#ifdef CONFIG_SHA384
34 {
35 .name = "sha384",
36 .checksum_len = SHA384_SUM_LEN,
37 .der_len = SHA384_DER_LEN,
38 .der_prefix = sha384_der_prefix,
39 .calculate = hash_calculate,
40 },
41#endif
42#ifdef CONFIG_SHA512
43 {
44 .name = "sha512",
45 .checksum_len = SHA512_SUM_LEN,
46 .der_len = SHA512_DER_LEN,
47 .der_prefix = sha512_der_prefix,
48 .calculate = hash_calculate,
49 },
50#endif
51
52};
53
54struct checksum_algo *image_get_checksum_algo(const char *full_name)
55{
56 int i;
57 const char *name;
58
59#if defined(CONFIG_NEEDS_MANUAL_RELOC)
60 static bool done;
61
62 if (!done) {
63 done = true;
64 for (i = 0; i < ARRAY_SIZE(checksum_algos); i++) {
65 checksum_algos[i].name += gd->reloc_off;
66 checksum_algos[i].calculate += gd->reloc_off;
67 }
68 }
69#endif
70
71 for (i = 0; i < ARRAY_SIZE(checksum_algos); i++) {
72 name = checksum_algos[i].name;
73
74 if (!strncmp(name, full_name, strlen(name)) &&
75 full_name[strlen(name)] == ',')
76 return &checksum_algos[i];
77 }
78
79 return NULL;
80}
81
82struct crypto_algo *image_get_crypto_algo(const char *full_name)
83{
84 struct crypto_algo *crypto, *end;
85 const char *name;
86
87#if defined(CONFIG_NEEDS_MANUAL_RELOC)
88 static bool done;
89
90 if (!done) {
91 crypto = ll_entry_start(struct crypto_algo, cryptos);
92 end = ll_entry_end(struct crypto_algo, cryptos);
93 for (; crypto < end; crypto++) {
94 crypto->name += gd->reloc_off;
95 crypto->verify += gd->reloc_off;
96 }
97 }
98#endif
99
100
101 name = strchr(full_name, ',');
102 if (!name)
103 return NULL;
104 name += 1;
105
106 crypto = ll_entry_start(struct crypto_algo, cryptos);
107 end = ll_entry_end(struct crypto_algo, cryptos);
108 for (; crypto < end; crypto++) {
109 if (!strcmp(crypto->name, name))
110 return crypto;
111 }
112
113
114 return NULL;
115}
116
117struct padding_algo *image_get_padding_algo(const char *name)
118{
119 struct padding_algo *padding, *end;
120
121 if (!name)
122 return NULL;
123
124 padding = ll_entry_start(struct padding_algo, paddings);
125 end = ll_entry_end(struct padding_algo, paddings);
126 for (; padding < end; padding++) {
127 if (!strcmp(padding->name, name))
128 return padding;
129 }
130
131 return NULL;
132}
133