/*
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* Copyright (c) 2013, Google Inc.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
|
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#ifndef USE_HOSTCC
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#include <common.h>
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#include <crypto.h>
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#include <fdtdec.h>
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#include <misc.h>
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#include <asm/types.h>
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#include <asm/byteorder.h>
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#include <linux/errno.h>
|
#include <asm/types.h>
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#include <asm/unaligned.h>
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#include <dm.h>
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#include <asm/arch/rk_atags.h>
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#else
|
#include "fdt_host.h"
|
#include "mkimage.h"
|
#include <fdt_support.h>
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#endif
|
#include <u-boot/rsa-mod-exp.h>
|
#include <u-boot/rsa.h>
|
|
/* Default public exponent for backward compatibility */
|
#define RSA_DEFAULT_PUBEXP 65537
|
|
/**
|
* rsa_verify_padding() - Verify RSA message padding is valid
|
*
|
* Verify a RSA message's padding is consistent with PKCS1.5
|
* padding as described in the RSA PKCS#1 v2.1 standard.
|
*
|
* @msg: Padded message
|
* @pad_len: Number of expected padding bytes
|
* @algo: Checksum algo structure having information on DER encoding etc.
|
* @return 0 on success, != 0 on failure
|
*/
|
static int rsa_verify_padding(const uint8_t *msg, const int pad_len,
|
struct checksum_algo *algo)
|
{
|
int ff_len;
|
int ret;
|
|
/* first byte must be 0x00 */
|
ret = *msg++;
|
/* second byte must be 0x01 */
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ret |= *msg++ ^ 0x01;
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/* next ff_len bytes must be 0xff */
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ff_len = pad_len - algo->der_len - 3;
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ret |= *msg ^ 0xff;
|
ret |= memcmp(msg, msg+1, ff_len-1);
|
msg += ff_len;
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/* next byte must be 0x00 */
|
ret |= *msg++;
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/* next der_len bytes must match der_prefix */
|
ret |= memcmp(msg, algo->der_prefix, algo->der_len);
|
|
return ret;
|
}
|
|
#if !defined(USE_HOSTCC)
|
#if CONFIG_IS_ENABLED(FIT_HW_CRYPTO)
|
static void rsa_convert_big_endian(uint32_t *dst, const uint32_t *src,
|
int total_len, int convert_len)
|
{
|
int total_wd, convert_wd, i;
|
|
if (total_len < convert_len)
|
convert_len = total_len;
|
|
total_wd = total_len / sizeof(uint32_t);
|
convert_wd = convert_len / sizeof(uint32_t);
|
for (i = 0; i < convert_wd; i++)
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dst[i] = fdt32_to_cpu(src[total_wd - 1 - i]);
|
}
|
|
static int rsa_mod_exp_hw(struct key_prop *prop, const uint8_t *sig,
|
const uint32_t sig_len, const uint32_t key_len,
|
uint8_t *output)
|
{
|
struct udevice *dev;
|
uint8_t sig_reverse[sig_len];
|
uint8_t buf[sig_len];
|
rsa_key rsa_key;
|
int i, ret;
|
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if (key_len != RSA2048_BYTES)
|
return -EINVAL;
|
|
rsa_key.algo = CRYPTO_RSA2048;
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rsa_key.n = malloc(key_len);
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rsa_key.e = malloc(key_len);
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rsa_key.c = malloc(key_len);
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if (!rsa_key.n || !rsa_key.e || !rsa_key.c)
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return -ENOMEM;
|
|
rsa_convert_big_endian(rsa_key.n, (uint32_t *)prop->modulus,
|
key_len, key_len);
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rsa_convert_big_endian(rsa_key.e, (uint32_t *)prop->public_exponent_BN,
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key_len, key_len);
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#ifdef CONFIG_ROCKCHIP_CRYPTO_V1
|
rsa_convert_big_endian(rsa_key.c, (uint32_t *)prop->factor_c,
|
key_len, key_len);
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#else
|
rsa_convert_big_endian(rsa_key.c, (uint32_t *)prop->factor_np,
|
key_len, key_len);
|
#endif
|
#if defined(CONFIG_ROCKCHIP_PRELOADER_ATAGS) && defined(CONFIG_SPL_BUILD)
|
char *rsa_key_data = malloc(3 * key_len);
|
int flag = 0;
|
|
if (rsa_key_data) {
|
memcpy(rsa_key_data, rsa_key.n, key_len);
|
memcpy(rsa_key_data + key_len, rsa_key.e, key_len);
|
memcpy(rsa_key_data + 2 * key_len, rsa_key.c, key_len);
|
if (fit_board_verify_required_sigs())
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flag = PUBKEY_FUSE_PROGRAMMED;
|
|
if (atags_set_pub_key(rsa_key_data, 3 * key_len, flag))
|
printf("Send public key through atags fail.");
|
}
|
#endif
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for (i = 0; i < sig_len; i++)
|
sig_reverse[sig_len-1-i] = sig[i];
|
|
dev = crypto_get_device(rsa_key.algo);
|
if (!dev) {
|
printf("No crypto device for expected RSA\n");
|
return -ENODEV;
|
}
|
|
ret = crypto_rsa_verify(dev, &rsa_key, (u8 *)sig_reverse, buf);
|
if (ret)
|
goto out;
|
|
for (i = 0; i < sig_len; i++)
|
sig_reverse[sig_len-1-i] = buf[i];
|
|
memcpy(output, sig_reverse, sig_len);
|
out:
|
free(rsa_key.n);
|
free(rsa_key.e);
|
free(rsa_key.c);
|
|
return ret;
|
}
|
#endif
|
#endif
|
|
int padding_pkcs_15_verify(struct image_sign_info *info,
|
uint8_t *msg, int msg_len,
|
const uint8_t *hash, int hash_len)
|
{
|
struct checksum_algo *checksum = info->checksum;
|
int ret, pad_len = msg_len - checksum->checksum_len;
|
|
/* Check pkcs1.5 padding bytes. */
|
ret = rsa_verify_padding(msg, pad_len, checksum);
|
if (ret) {
|
debug("In RSAVerify(): Padding check failed!\n");
|
return -EINVAL;
|
}
|
|
/* Check hash. */
|
if (memcmp((uint8_t *)msg + pad_len, hash, msg_len - pad_len)) {
|
debug("In RSAVerify(): Hash check failed!\n");
|
return -EACCES;
|
}
|
|
return 0;
|
}
|
|
#ifdef CONFIG_FIT_ENABLE_RSASSA_PSS_SUPPORT
|
static void u32_i2osp(uint32_t val, uint8_t *buf)
|
{
|
buf[0] = (uint8_t)((val >> 24) & 0xff);
|
buf[1] = (uint8_t)((val >> 16) & 0xff);
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buf[2] = (uint8_t)((val >> 8) & 0xff);
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buf[3] = (uint8_t)((val >> 0) & 0xff);
|
}
|
|
/**
|
* mask_generation_function1() - generate an octet string
|
*
|
* Generate an octet string used to check rsa signature.
|
* It use an input octet string and a hash function.
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*
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* @checksum: A Hash function
|
* @seed: Specifies an input variable octet string
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* @seed_len: Size of the input octet string
|
* @output: Specifies the output octet string
|
* @output_len: Size of the output octet string
|
* @return 0 if the octet string was correctly generated, others on error
|
*/
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static int mask_generation_function1(struct checksum_algo *checksum,
|
uint8_t *seed, int seed_len,
|
uint8_t *output, int output_len)
|
{
|
struct image_region region[2];
|
int ret = 0, i, i_output = 0, region_count = 2;
|
uint32_t counter = 0;
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uint8_t buf_counter[4], *tmp;
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int hash_len = checksum->checksum_len;
|
|
memset(output, 0, output_len);
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region[0].data = seed;
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region[0].size = seed_len;
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region[1].data = &buf_counter[0];
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region[1].size = 4;
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|
tmp = malloc(hash_len);
|
if (!tmp) {
|
debug("%s: can't allocate array tmp\n", __func__);
|
ret = -ENOMEM;
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goto out;
|
}
|
|
while (i_output < output_len) {
|
u32_i2osp(counter, &buf_counter[0]);
|
|
ret = checksum->calculate(checksum->name,
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region, region_count,
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tmp);
|
if (ret < 0) {
|
debug("%s: Error in checksum calculation\n", __func__);
|
goto out;
|
}
|
|
i = 0;
|
while ((i_output < output_len) && (i < hash_len)) {
|
output[i_output] = tmp[i];
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i_output++;
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i++;
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}
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|
counter++;
|
}
|
|
out:
|
free(tmp);
|
|
return ret;
|
}
|
|
static int compute_hash_prime(struct checksum_algo *checksum,
|
uint8_t *pad, int pad_len,
|
uint8_t *hash, int hash_len,
|
uint8_t *salt, int salt_len,
|
uint8_t *hprime)
|
{
|
struct image_region region[3];
|
int ret, region_count = 3;
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|
region[0].data = pad;
|
region[0].size = pad_len;
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region[1].data = hash;
|
region[1].size = hash_len;
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region[2].data = salt;
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region[2].size = salt_len;
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|
ret = checksum->calculate(checksum->name, region, region_count, hprime);
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if (ret < 0) {
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debug("%s: Error in checksum calculation\n", __func__);
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goto out;
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}
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out:
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return ret;
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}
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int padding_pss_verify(struct image_sign_info *info,
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uint8_t *msg, int msg_len,
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const uint8_t *hash, int hash_len)
|
{
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uint8_t *masked_db = NULL;
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int masked_db_len = msg_len - hash_len - 1;
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uint8_t *h = NULL, *hprime = NULL;
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int h_len = hash_len;
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uint8_t *db_mask = NULL;
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int db_mask_len = masked_db_len;
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uint8_t *db = NULL, *salt = NULL;
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int db_len = masked_db_len, salt_len = msg_len - hash_len - 2;
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uint8_t pad_zero[8] = { 0 };
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int ret, i, leftmost_bits = 1;
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uint8_t leftmost_mask;
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struct checksum_algo *checksum = info->checksum;
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/* first, allocate everything */
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masked_db = malloc(masked_db_len);
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h = malloc(h_len);
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db_mask = malloc(db_mask_len);
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db = malloc(db_len);
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salt = malloc(salt_len);
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hprime = malloc(hash_len);
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if (!masked_db || !h || !db_mask || !db || !salt || !hprime) {
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printf("%s: can't allocate some buffer\n", __func__);
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ret = -ENOMEM;
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goto out;
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}
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/* step 4: check if the last byte is 0xbc */
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if (msg[msg_len - 1] != 0xbc) {
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printf("%s: invalid pss padding (0xbc is missing)\n", __func__);
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ret = -EINVAL;
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goto out;
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}
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/* step 5 */
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memcpy(masked_db, msg, masked_db_len);
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memcpy(h, msg + masked_db_len, h_len);
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/* step 6 */
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leftmost_mask = (0xff >> (8 - leftmost_bits)) << (8 - leftmost_bits);
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if (masked_db[0] & leftmost_mask) {
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printf("%s: invalid pss padding ", __func__);
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printf("(leftmost bit of maskedDB not zero)\n");
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ret = -EINVAL;
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goto out;
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}
|
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/* step 7 */
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mask_generation_function1(checksum, h, h_len, db_mask, db_mask_len);
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|
/* step 8 */
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for (i = 0; i < db_len; i++)
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db[i] = masked_db[i] ^ db_mask[i];
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/* step 9 */
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db[0] &= 0xff >> leftmost_bits;
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/* step 10 */
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if (db[0] != 0x01) {
|
printf("%s: invalid pss padding ", __func__);
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printf("(leftmost byte of db isn't 0x01)\n");
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ret = EINVAL;
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goto out;
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}
|
|
/* step 11 */
|
memcpy(salt, &db[1], salt_len);
|
|
/* step 12 & 13 */
|
compute_hash_prime(checksum, pad_zero, 8,
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(uint8_t *)hash, hash_len,
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salt, salt_len, hprime);
|
|
/* step 14 */
|
ret = memcmp(h, hprime, hash_len);
|
|
out:
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free(hprime);
|
free(salt);
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free(db);
|
free(db_mask);
|
free(h);
|
free(masked_db);
|
|
return ret;
|
}
|
#endif
|
|
/**
|
* rsa_verify_key() - Verify a signature against some data using RSA Key
|
*
|
* Verify a RSA PKCS1.5 signature against an expected hash using
|
* the RSA Key properties in prop structure.
|
*
|
* @info: Specifies key and FIT information
|
* @prop: Specifies key
|
* @sig: Signature
|
* @sig_len: Number of bytes in signature
|
* @hash: Pointer to the expected hash
|
* @key_len: Number of bytes in rsa key
|
* @return 0 if verified, -ve on error
|
*/
|
static int rsa_verify_key(struct image_sign_info *info,
|
struct key_prop *prop, const uint8_t *sig,
|
const uint32_t sig_len, const uint8_t *hash,
|
const uint32_t key_len)
|
{
|
int ret;
|
struct checksum_algo *checksum = info->checksum;
|
struct padding_algo *padding = info->padding;
|
int hash_len = checksum->checksum_len;
|
|
if (!prop || !sig || !hash || !checksum)
|
return -EIO;
|
|
if (sig_len != (prop->num_bits / 8)) {
|
debug("Signature is of incorrect length %d\n", sig_len);
|
return -EINVAL;
|
}
|
|
debug("Checksum algorithm: %s", checksum->name);
|
|
/* Sanity check for stack size */
|
if (sig_len > RSA_MAX_SIG_BITS / 8) {
|
debug("Signature length %u exceeds maximum %d\n", sig_len,
|
RSA_MAX_SIG_BITS / 8);
|
return -EINVAL;
|
}
|
|
uint8_t buf[sig_len];
|
|
#if !defined(USE_HOSTCC)
|
#if CONFIG_IS_ENABLED(FIT_HW_CRYPTO)
|
ret = rsa_mod_exp_hw(prop, sig, sig_len, key_len, buf);
|
#else
|
struct udevice *mod_exp_dev;
|
|
ret = uclass_get_device(UCLASS_MOD_EXP, 0, &mod_exp_dev);
|
if (ret) {
|
printf("RSA: Can't find Modular Exp implementation\n");
|
return -EINVAL;
|
}
|
|
ret = rsa_mod_exp(mod_exp_dev, sig, sig_len, prop, buf);
|
#endif
|
#else
|
ret = rsa_mod_exp_sw(sig, sig_len, prop, buf);
|
#endif
|
if (ret) {
|
debug("Error in Modular exponentation\n");
|
return ret;
|
}
|
|
ret = padding->verify(info, buf, key_len, hash, hash_len);
|
if (ret) {
|
debug("In RSAVerify(): padding check failed!\n");
|
return ret;
|
}
|
|
return 0;
|
}
|
|
static int rsa_get_key_prop(struct key_prop *prop, struct image_sign_info *info, int node)
|
{
|
const void *blob = info->fdt_blob;
|
int length;
|
int hash_node;
|
|
if (node < 0) {
|
debug("%s: Skipping invalid node", __func__);
|
return -EBADF;
|
}
|
|
if (!prop) {
|
debug("%s: The prop is NULL", __func__);
|
return -EBADF;
|
}
|
|
prop->burn_key = fdtdec_get_int(blob, node, "burn-key-hash", 0);
|
|
prop->num_bits = fdtdec_get_int(blob, node, "rsa,num-bits", 0);
|
|
prop->n0inv = fdtdec_get_int(blob, node, "rsa,n0-inverse", 0);
|
|
prop->public_exponent = fdt_getprop(blob, node, "rsa,exponent", &length);
|
if (!prop->public_exponent || length < sizeof(uint64_t))
|
prop->public_exponent = NULL;
|
|
prop->exp_len = sizeof(uint64_t);
|
prop->modulus = fdt_getprop(blob, node, "rsa,modulus", NULL);
|
prop->public_exponent_BN = fdt_getprop(blob, node, "rsa,exponent-BN", NULL);
|
prop->rr = fdt_getprop(blob, node, "rsa,r-squared", NULL);
|
#ifdef CONFIG_ROCKCHIP_CRYPTO_V1
|
hash_node = fdt_subnode_offset(blob, node, "hash@c");
|
#else
|
hash_node = fdt_subnode_offset(blob, node, "hash@np");
|
#endif
|
if (hash_node >= 0)
|
prop->hash = fdt_getprop(blob, hash_node, "value", NULL);
|
|
if (!prop->num_bits || !prop->modulus) {
|
debug("%s: Missing RSA key info", __func__);
|
return -EFAULT;
|
}
|
|
#ifdef CONFIG_ROCKCHIP_CRYPTO_V1
|
prop->factor_c = fdt_getprop(blob, node, "rsa,c", NULL);
|
if (!prop.factor_c)
|
return -EFAULT;
|
#else
|
prop->factor_np = fdt_getprop(blob, node, "rsa,np", NULL);
|
if (!prop->factor_np)
|
return -EFAULT;
|
#endif
|
|
return 0;
|
}
|
|
/**
|
* rsa_verify_with_keynode() - Verify a signature against some data using
|
* information in node with prperties of RSA Key like modulus, exponent etc.
|
*
|
* Parse sign-node and fill a key_prop structure with properties of the
|
* key. Verify a RSA PKCS1.5 signature against an expected hash using
|
* the properties parsed
|
*
|
* @info: Specifies key and FIT information
|
* @hash: Pointer to the expected hash
|
* @sig: Signature
|
* @sig_len: Number of bytes in signature
|
* @node: Node having the RSA Key properties
|
* @return 0 if verified, -ve on error
|
*/
|
static int rsa_verify_with_keynode(struct image_sign_info *info,
|
const void *hash, uint8_t *sig,
|
uint sig_len, int node)
|
{
|
struct key_prop prop;
|
|
if (rsa_get_key_prop(&prop, info, node))
|
return -EFAULT;
|
|
return rsa_verify_key(info, &prop, sig, sig_len, hash,
|
info->crypto->key_len);
|
}
|
|
int rsa_verify(struct image_sign_info *info,
|
const struct image_region region[], int region_count,
|
uint8_t *sig, uint sig_len)
|
{
|
const void *blob = info->fdt_blob;
|
/* Reserve memory for maximum checksum-length */
|
uint8_t hash[info->crypto->key_len];
|
int ndepth, noffset;
|
int sig_node, node;
|
char name[100];
|
int ret;
|
|
/*
|
* Verify that the checksum-length does not exceed the
|
* rsa-signature-length
|
*/
|
if (info->checksum->checksum_len >
|
info->crypto->key_len) {
|
debug("%s: invlaid checksum-algorithm %s for %s\n",
|
__func__, info->checksum->name, info->crypto->name);
|
return -EINVAL;
|
}
|
|
sig_node = fdt_subnode_offset(blob, 0, FIT_SIG_NODENAME);
|
if (sig_node < 0) {
|
debug("%s: No signature node found\n", __func__);
|
return -ENOENT;
|
}
|
|
/* Calculate checksum with checksum-algorithm */
|
ret = info->checksum->calculate(info->checksum->name,
|
region, region_count, hash);
|
if (ret < 0) {
|
debug("%s: Error in checksum calculation\n", __func__);
|
return -EINVAL;
|
}
|
|
/* See if we must use a particular key */
|
if (info->required_keynode != -1) {
|
ret = rsa_verify_with_keynode(info, hash, sig, sig_len,
|
info->required_keynode);
|
if (!ret)
|
return ret;
|
}
|
|
/* Look for a key that matches our hint */
|
snprintf(name, sizeof(name), "key-%s", info->keyname);
|
node = fdt_subnode_offset(blob, sig_node, name);
|
ret = rsa_verify_with_keynode(info, hash, sig, sig_len, node);
|
if (!ret)
|
return ret;
|
|
/* No luck, so try each of the keys in turn */
|
for (ndepth = 0, noffset = fdt_next_node(info->fit, sig_node, &ndepth);
|
(noffset >= 0) && (ndepth > 0);
|
noffset = fdt_next_node(info->fit, noffset, &ndepth)) {
|
if (ndepth == 1 && noffset != node) {
|
ret = rsa_verify_with_keynode(info, hash, sig, sig_len,
|
noffset);
|
if (!ret)
|
break;
|
}
|
}
|
|
return ret;
|
}
|
|
#if !defined(USE_HOSTCC)
|
#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_FIT_HW_CRYPTO) && \
|
defined(CONFIG_SPL_ROCKCHIP_SECURE_OTP)
|
int rsa_burn_key_hash(struct image_sign_info *info)
|
{
|
char *rsa_key;
|
void *n, *e, *c;
|
uint32_t key_len;
|
struct udevice *dev;
|
struct key_prop prop;
|
char name[100] = {0};
|
u16 secure_boot_enable = 0;
|
const void *blob = info->fdt_blob;
|
uint8_t digest[FIT_MAX_HASH_LEN];
|
uint8_t digest_read[FIT_MAX_HASH_LEN];
|
int sig_node, node, digest_len, i, ret = 0;
|
|
dev = misc_otp_get_device(OTP_S);
|
if (!dev)
|
return -ENODEV;
|
|
ret = misc_otp_read(dev, OTP_SECURE_BOOT_ENABLE_ADDR,
|
&secure_boot_enable, OTP_SECURE_BOOT_ENABLE_SIZE);
|
if (ret)
|
return ret;
|
|
if (secure_boot_enable)
|
return 0;
|
|
sig_node = fdt_subnode_offset(blob, 0, FIT_SIG_NODENAME);
|
if (sig_node < 0) {
|
debug("%s: No signature node found\n", __func__);
|
return -ENOENT;
|
}
|
|
snprintf(name, sizeof(name), "key-%s", info->keyname);
|
node = fdt_subnode_offset(blob, sig_node, name);
|
|
if (rsa_get_key_prop(&prop, info, node))
|
return -1;
|
|
if (!(prop.burn_key))
|
return -EPERM;
|
|
if (!prop.hash || !prop.modulus || !prop.public_exponent_BN)
|
return -ENOENT;
|
#ifdef CONFIG_ROCKCHIP_CRYPTO_V1
|
if (!prop.factor_c)
|
return -ENOENT;
|
#else
|
if (!prop.factor_np)
|
return -ENOENT;
|
#endif
|
key_len = info->crypto->key_len;
|
if (info->crypto->key_len != RSA2048_BYTES)
|
return -EINVAL;
|
|
rsa_key = calloc(key_len * 3, sizeof(char));
|
if (!rsa_key)
|
return -ENOMEM;
|
|
n = rsa_key;
|
e = rsa_key + CONFIG_RSA_N_SIZE;
|
c = rsa_key + CONFIG_RSA_N_SIZE + CONFIG_RSA_E_SIZE;
|
rsa_convert_big_endian(n, (uint32_t *)prop.modulus,
|
key_len, CONFIG_RSA_N_SIZE);
|
rsa_convert_big_endian(e, (uint32_t *)prop.public_exponent_BN,
|
key_len, CONFIG_RSA_E_SIZE);
|
#ifdef CONFIG_ROCKCHIP_CRYPTO_V1
|
rsa_convert_big_endian(c, (uint32_t *)prop.factor_c,
|
key_len, CONFIG_RSA_C_SIZE);
|
#else
|
rsa_convert_big_endian(c, (uint32_t *)prop.factor_np,
|
key_len, CONFIG_RSA_C_SIZE);
|
#endif
|
|
ret = calculate_hash(rsa_key, CONFIG_RSA_N_SIZE + CONFIG_RSA_E_SIZE + CONFIG_RSA_C_SIZE,
|
info->checksum->name, digest, &digest_len);
|
if (ret)
|
goto error;
|
|
if (memcmp(digest, prop.hash, digest_len) != 0) {
|
printf("RSA: Compare public key hash fail.\n");
|
goto error;
|
}
|
|
/* burn key hash here */
|
ret = misc_otp_read(dev, OTP_RSA_HASH_ADDR, digest_read, OTP_RSA_HASH_SIZE);
|
if (ret)
|
goto error;
|
|
for (i = 0; i < OTP_RSA_HASH_SIZE; i++) {
|
if (digest_read[i]) {
|
printf("RSA: The secure region has been written.\n");
|
ret = -EIO;
|
goto error;
|
}
|
}
|
|
ret = misc_otp_write(dev, OTP_RSA_HASH_ADDR, digest, OTP_RSA_HASH_SIZE);
|
if (ret)
|
goto error;
|
|
memset(digest_read, 0, FIT_MAX_HASH_LEN);
|
ret = misc_otp_read(dev, OTP_RSA_HASH_ADDR, digest_read, OTP_RSA_HASH_SIZE);
|
if (ret)
|
goto error;
|
|
if (memcmp(digest, digest_read, digest_len) != 0) {
|
printf("RSA: Write public key hash fail.\n");
|
goto error;
|
}
|
|
secure_boot_enable = 0xff;
|
ret = misc_otp_write(dev, OTP_SECURE_BOOT_ENABLE_ADDR,
|
&secure_boot_enable, OTP_SECURE_BOOT_ENABLE_SIZE);
|
if (ret)
|
goto error;
|
|
printf("RSA: Write key hash successfully\n");
|
|
error:
|
free(rsa_key);
|
|
return ret;
|
}
|
#endif
|
#endif
|
