// 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 = "rsa3072", .key_len = RSA3072_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; }