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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (c) 2013, Google Inc.
- */
- #include "mkimage.h"
- #include <fdt_support.h>
- #include <time.h>
- #include <linux/libfdt.h>
- #include <image.h>
- #include <u-boot/ecdsa.h>
- #include <u-boot/rsa.h>
- #include <u-boot/hash-checksum.h>
- struct checksum_algo checksum_algos[] = {
- {
- .name = "sha1",
- .checksum_len = SHA1_SUM_LEN,
- .der_len = SHA1_DER_LEN,
- .der_prefix = sha1_der_prefix,
- .calculate_sign = EVP_sha1,
- .calculate = hash_calculate,
- },
- {
- .name = "sha256",
- .checksum_len = SHA256_SUM_LEN,
- .der_len = SHA256_DER_LEN,
- .der_prefix = sha256_der_prefix,
- .calculate_sign = EVP_sha256,
- .calculate = hash_calculate,
- },
- {
- .name = "sha384",
- .checksum_len = SHA384_SUM_LEN,
- .der_len = SHA384_DER_LEN,
- .der_prefix = sha384_der_prefix,
- .calculate_sign = EVP_sha384,
- .calculate = hash_calculate,
- },
- {
- .name = "sha512",
- .checksum_len = SHA512_SUM_LEN,
- .der_len = SHA512_DER_LEN,
- .der_prefix = sha512_der_prefix,
- .calculate_sign = EVP_sha512,
- .calculate = hash_calculate,
- },
- };
- struct crypto_algo crypto_algos[] = {
- {
- .name = "rsa2048",
- .key_len = RSA2048_BYTES,
- .sign = rsa_sign,
- .add_verify_data = rsa_add_verify_data,
- .verify = rsa_verify,
- },
- {
- .name = "rsa4096",
- .key_len = RSA4096_BYTES,
- .sign = rsa_sign,
- .add_verify_data = rsa_add_verify_data,
- .verify = rsa_verify,
- },
- {
- .name = "ecdsa256",
- .key_len = ECDSA256_BYTES,
- .sign = ecdsa_sign,
- .add_verify_data = ecdsa_add_verify_data,
- .verify = ecdsa_verify,
- },
- };
- struct padding_algo padding_algos[] = {
- {
- .name = "pkcs-1.5",
- .verify = padding_pkcs_15_verify,
- },
- {
- .name = "pss",
- .verify = padding_pss_verify,
- }
- };
- 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(crypto_algos); i++) {
- if (!strcmp(crypto_algos[i].name, name))
- return &crypto_algos[i];
- }
- return NULL;
- }
- struct padding_algo *image_get_padding_algo(const char *name)
- {
- int i;
- if (!name)
- return NULL;
- for (i = 0; i < ARRAY_SIZE(padding_algos); i++) {
- if (!strcmp(padding_algos[i].name, name))
- return &padding_algos[i];
- }
- return NULL;
- }
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