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@@ -0,0 +1,133 @@
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+// SPDX-License-Identifier: GPL-2.0+
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+/*
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+ * Copyright (c) 2013, Google Inc.
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+ */
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+
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+#include "mkimage.h"
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+#include <fdt_support.h>
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+#include <time.h>
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+#include <linux/libfdt.h>
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+#include <image.h>
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+#include <u-boot/ecdsa.h>
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+#include <u-boot/rsa.h>
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+#include <u-boot/hash-checksum.h>
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+
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+struct checksum_algo checksum_algos[] = {
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+ {
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+ .name = "sha1",
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+ .checksum_len = SHA1_SUM_LEN,
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+ .der_len = SHA1_DER_LEN,
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+ .der_prefix = sha1_der_prefix,
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+ .calculate_sign = EVP_sha1,
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+ .calculate = hash_calculate,
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+ },
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+ {
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+ .name = "sha256",
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+ .checksum_len = SHA256_SUM_LEN,
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+ .der_len = SHA256_DER_LEN,
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+ .der_prefix = sha256_der_prefix,
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+ .calculate_sign = EVP_sha256,
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+ .calculate = hash_calculate,
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+ },
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+ {
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+ .name = "sha384",
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+ .checksum_len = SHA384_SUM_LEN,
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+ .der_len = SHA384_DER_LEN,
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+ .der_prefix = sha384_der_prefix,
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+ .calculate_sign = EVP_sha384,
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+ .calculate = hash_calculate,
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+ },
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+ {
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+ .name = "sha512",
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+ .checksum_len = SHA512_SUM_LEN,
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+ .der_len = SHA512_DER_LEN,
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+ .der_prefix = sha512_der_prefix,
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+ .calculate_sign = EVP_sha512,
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+ .calculate = hash_calculate,
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+ },
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+};
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+
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+struct crypto_algo crypto_algos[] = {
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+ {
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+ .name = "rsa2048",
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+ .key_len = RSA2048_BYTES,
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+ .sign = rsa_sign,
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+ .add_verify_data = rsa_add_verify_data,
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+ .verify = rsa_verify,
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+ },
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+ {
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+ .name = "rsa4096",
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+ .key_len = RSA4096_BYTES,
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+ .sign = rsa_sign,
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+ .add_verify_data = rsa_add_verify_data,
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+ .verify = rsa_verify,
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+ },
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+ {
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+ .name = "ecdsa256",
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+ .key_len = ECDSA256_BYTES,
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+ .sign = ecdsa_sign,
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+ .add_verify_data = ecdsa_add_verify_data,
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+ .verify = ecdsa_verify,
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+ },
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+};
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+
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+struct padding_algo padding_algos[] = {
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+ {
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+ .name = "pkcs-1.5",
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+ .verify = padding_pkcs_15_verify,
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+ },
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+ {
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+ .name = "pss",
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+ .verify = padding_pss_verify,
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+ }
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+};
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+
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+struct checksum_algo *image_get_checksum_algo(const char *full_name)
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+{
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+ int i;
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+ const char *name;
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+
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+ for (i = 0; i < ARRAY_SIZE(checksum_algos); i++) {
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+ name = checksum_algos[i].name;
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+ /* Make sure names match and next char is a comma */
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+ if (!strncmp(name, full_name, strlen(name)) &&
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+ full_name[strlen(name)] == ',')
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+ return &checksum_algos[i];
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+ }
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+
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+ return NULL;
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+}
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+
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+struct crypto_algo *image_get_crypto_algo(const char *full_name)
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+{
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+ int i;
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+ const char *name;
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+
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+ /* Move name to after the comma */
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+ name = strchr(full_name, ',');
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+ if (!name)
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+ return NULL;
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+ name += 1;
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+
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+ for (i = 0; i < ARRAY_SIZE(crypto_algos); i++) {
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+ if (!strcmp(crypto_algos[i].name, name))
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+ return &crypto_algos[i];
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+ }
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+
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+ return NULL;
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+}
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+
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+struct padding_algo *image_get_padding_algo(const char *name)
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+{
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+ int i;
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+
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+ if (!name)
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+ return NULL;
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+
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+ for (i = 0; i < ARRAY_SIZE(padding_algos); i++) {
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+ if (!strcmp(padding_algos[i].name, name))
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+ return &padding_algos[i];
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+ }
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+
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+ return NULL;
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+}
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