+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2013, Google Inc.
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#ifdef USE_HOSTCC
struct checksum_algo checksum_algos[] = {
{
- "sha1",
- SHA1_SUM_LEN,
- RSA2048_BYTES,
-#if IMAGE_ENABLE_SIGN
- EVP_sha1,
-#endif
- hash_calculate,
- padding_sha1_rsa2048,
- },
- {
- "sha256",
- SHA256_SUM_LEN,
- RSA2048_BYTES,
+ .name = "sha1",
+ .checksum_len = SHA1_SUM_LEN,
+ .der_len = SHA1_DER_LEN,
+ .der_prefix = sha1_der_prefix,
#if IMAGE_ENABLE_SIGN
- EVP_sha256,
+ .calculate_sign = EVP_sha1,
#endif
- hash_calculate,
- padding_sha256_rsa2048,
+ .calculate = hash_calculate,
},
{
- "sha256",
- SHA256_SUM_LEN,
- RSA4096_BYTES,
+ .name = "sha256",
+ .checksum_len = SHA256_SUM_LEN,
+ .der_len = SHA256_DER_LEN,
+ .der_prefix = sha256_der_prefix,
#if IMAGE_ENABLE_SIGN
- EVP_sha256,
+ .calculate_sign = EVP_sha256,
#endif
- hash_calculate,
- padding_sha256_rsa4096,
+ .calculate = hash_calculate,
}
};
-struct image_sig_algo image_sig_algos[] = {
- {
- "sha1,rsa2048",
- rsa_sign,
- rsa_add_verify_data,
- rsa_verify,
- &checksum_algos[0],
- },
+struct crypto_algo crypto_algos[] = {
{
- "sha256,rsa2048",
- rsa_sign,
- rsa_add_verify_data,
- rsa_verify,
- &checksum_algos[1],
+ .name = "rsa2048",
+ .key_len = RSA2048_BYTES,
+ .sign = rsa_sign,
+ .add_verify_data = rsa_add_verify_data,
+ .verify = rsa_verify,
},
{
- "sha256,rsa4096",
- rsa_sign,
- rsa_add_verify_data,
- rsa_verify,
- &checksum_algos[2],
+ .name = "rsa4096",
+ .key_len = RSA4096_BYTES,
+ .sign = rsa_sign,
+ .add_verify_data = rsa_add_verify_data,
+ .verify = rsa_verify,
}
};
-struct image_sig_algo *image_get_sig_algo(const char *name)
+struct checksum_algo *image_get_checksum_algo(const char *full_name)
+{
+ int i;
+ const char *name;
+
+ for (i = 0; i < ARRAY_SIZE(checksum_algos); i++) {
+ name = checksum_algos[i].name;
+ /* Make sure names match and next char is a comma */
+ if (!strncmp(name, full_name, strlen(name)) &&
+ full_name[strlen(name)] == ',')
+ return &checksum_algos[i];
+ }
+
+ return NULL;
+}
+
+struct crypto_algo *image_get_crypto_algo(const char *full_name)
{
int i;
+ const char *name;
+
+ /* Move name to after the comma */
+ name = strchr(full_name, ',');
+ if (!name)
+ return NULL;
+ name += 1;
- for (i = 0; i < ARRAY_SIZE(image_sig_algos); i++) {
- if (!strcmp(image_sig_algos[i].name, name))
- return &image_sig_algos[i];
+ for (i = 0; i < ARRAY_SIZE(crypto_algos); i++) {
+ if (!strcmp(crypto_algos[i].name, name))
+ return &crypto_algos[i];
}
return NULL;
info->keyname = fdt_getprop(fit, noffset, "key-name-hint", NULL);
info->fit = (void *)fit;
info->node_offset = noffset;
- info->algo = image_get_sig_algo(algo_name);
+ info->name = algo_name;
+ info->checksum = image_get_checksum_algo(algo_name);
+ info->crypto = image_get_crypto_algo(algo_name);
info->fdt_blob = gd_fdt_blob();
info->required_keynode = required_keynode;
printf("%s:%s", algo_name, info->keyname);
- if (!info->algo) {
+ if (!info->checksum || !info->crypto) {
*err_msgp = "Unknown signature algorithm";
return -1;
}
region.data = data;
region.size = size;
- if (info.algo->verify(&info, ®ion, 1, fit_value, fit_value_len)) {
+ if (info.crypto->verify(&info, ®ion, 1, fit_value, fit_value_len)) {
*err_msgp = "Verification failed";
return -1;
}
/*
* Each node can generate one region for each sub-node. Allow for
- * 7 sub-nodes (hash@1, signature@1, etc.) and some extra.
+ * 7 sub-nodes (hash-1, signature-1, etc.) and some extra.
*/
max_regions = 20 + count * 7;
struct fdt_region fdt_regions[max_regions];
struct image_region region[count];
fit_region_make_list(fit, fdt_regions, count, region);
- if (info.algo->verify(&info, region, count, fit_value,
- fit_value_len)) {
+ if (info.crypto->verify(&info, region, count, fit_value,
+ fit_value_len)) {
*err_msgp = "Verification failed";
return -1;
}