* SPDX-License-Identifier: GPL-2.0+
*/
+#ifndef USE_HOSTCC
#include <common.h>
#include <command.h>
+#include <malloc.h>
+#include <mapmem.h>
#include <hw_sha.h>
-#include <hash.h>
-#include <sha1.h>
-#include <sha256.h>
#include <asm/io.h>
-#include <asm/errno.h>
+#include <linux/errno.h>
+#else
+#include "mkimage.h"
+#include <time.h>
+#include <image.h>
+#endif /* !USE_HOSTCC*/
+
+#include <hash.h>
+#include <u-boot/crc.h>
+#include <u-boot/sha1.h>
+#include <u-boot/sha256.h>
+#include <u-boot/md5.h>
+
+#if defined(CONFIG_SHA1) && !defined(CONFIG_SHA_PROG_HW_ACCEL)
+static int hash_init_sha1(struct hash_algo *algo, void **ctxp)
+{
+ sha1_context *ctx = malloc(sizeof(sha1_context));
+ sha1_starts(ctx);
+ *ctxp = ctx;
+ return 0;
+}
+
+static int hash_update_sha1(struct hash_algo *algo, void *ctx, const void *buf,
+ unsigned int size, int is_last)
+{
+ sha1_update((sha1_context *)ctx, buf, size);
+ return 0;
+}
+
+static int hash_finish_sha1(struct hash_algo *algo, void *ctx, void *dest_buf,
+ int size)
+{
+ if (size < algo->digest_size)
+ return -1;
+
+ sha1_finish((sha1_context *)ctx, dest_buf);
+ free(ctx);
+ return 0;
+}
+#endif
+
+#if defined(CONFIG_SHA256) && !defined(CONFIG_SHA_PROG_HW_ACCEL)
+static int hash_init_sha256(struct hash_algo *algo, void **ctxp)
+{
+ sha256_context *ctx = malloc(sizeof(sha256_context));
+ sha256_starts(ctx);
+ *ctxp = ctx;
+ return 0;
+}
+
+static int hash_update_sha256(struct hash_algo *algo, void *ctx,
+ const void *buf, unsigned int size, int is_last)
+{
+ sha256_update((sha256_context *)ctx, buf, size);
+ return 0;
+}
+
+static int hash_finish_sha256(struct hash_algo *algo, void *ctx, void
+ *dest_buf, int size)
+{
+ if (size < algo->digest_size)
+ return -1;
+
+ sha256_finish((sha256_context *)ctx, dest_buf);
+ free(ctx);
+ return 0;
+}
+#endif
+
+static int hash_init_crc32(struct hash_algo *algo, void **ctxp)
+{
+ uint32_t *ctx = malloc(sizeof(uint32_t));
+ *ctx = 0;
+ *ctxp = ctx;
+ return 0;
+}
+
+static int hash_update_crc32(struct hash_algo *algo, void *ctx,
+ const void *buf, unsigned int size, int is_last)
+{
+ *((uint32_t *)ctx) = crc32(*((uint32_t *)ctx), buf, size);
+ return 0;
+}
+
+static int hash_finish_crc32(struct hash_algo *algo, void *ctx, void *dest_buf,
+ int size)
+{
+ if (size < algo->digest_size)
+ return -1;
+
+ *((uint32_t *)dest_buf) = *((uint32_t *)ctx);
+ free(ctx);
+ return 0;
+}
/*
- * These are the hash algorithms we support. Chips which support accelerated
- * crypto could perhaps add named version of these algorithms here. Note that
- * algorithm names must be in lower case.
+ * These are the hash algorithms we support. If we have hardware acceleration
+ * is enable we will use that, otherwise a software version of the algorithm.
+ * Note that algorithm names must be in lower case.
*/
static struct hash_algo hash_algo[] = {
- /*
- * CONFIG_SHA_HW_ACCEL is defined if hardware acceleration is
- * available.
- */
-#ifdef CONFIG_SHA_HW_ACCEL
+#ifdef CONFIG_SHA1
{
- "sha1",
- SHA1_SUM_LEN,
- hw_sha1,
- CHUNKSZ_SHA1,
- }, {
- "sha256",
- SHA256_SUM_LEN,
- hw_sha256,
- CHUNKSZ_SHA256,
- },
+ .name = "sha1",
+ .digest_size = SHA1_SUM_LEN,
+ .chunk_size = CHUNKSZ_SHA1,
+#ifdef CONFIG_SHA_HW_ACCEL
+ .hash_func_ws = hw_sha1,
+#else
+ .hash_func_ws = sha1_csum_wd,
+#endif
+#ifdef CONFIG_SHA_PROG_HW_ACCEL
+ .hash_init = hw_sha_init,
+ .hash_update = hw_sha_update,
+ .hash_finish = hw_sha_finish,
+#else
+ .hash_init = hash_init_sha1,
+ .hash_update = hash_update_sha1,
+ .hash_finish = hash_finish_sha1,
#endif
- /*
- * This is CONFIG_CMD_SHA1SUM instead of CONFIG_SHA1 since otherwise
- * it bloats the code for boards which use SHA1 but not the 'hash'
- * or 'sha1sum' commands.
- */
-#ifdef CONFIG_CMD_SHA1SUM
- {
- "sha1",
- SHA1_SUM_LEN,
- sha1_csum_wd,
- CHUNKSZ_SHA1,
},
-#define MULTI_HASH
#endif
#ifdef CONFIG_SHA256
{
- "sha256",
- SHA256_SUM_LEN,
- sha256_csum_wd,
- CHUNKSZ_SHA256,
+ .name = "sha256",
+ .digest_size = SHA256_SUM_LEN,
+ .chunk_size = CHUNKSZ_SHA256,
+#ifdef CONFIG_SHA_HW_ACCEL
+ .hash_func_ws = hw_sha256,
+#else
+ .hash_func_ws = sha256_csum_wd,
+#endif
+#ifdef CONFIG_SHA_PROG_HW_ACCEL
+ .hash_init = hw_sha_init,
+ .hash_update = hw_sha_update,
+ .hash_finish = hw_sha_finish,
+#else
+ .hash_init = hash_init_sha256,
+ .hash_update = hash_update_sha256,
+ .hash_finish = hash_finish_sha256,
+#endif
},
-#define MULTI_HASH
#endif
{
- "crc32",
- 4,
- crc32_wd_buf,
- CHUNKSZ_CRC32,
+ .name = "crc32",
+ .digest_size = 4,
+ .chunk_size = CHUNKSZ_CRC32,
+ .hash_func_ws = crc32_wd_buf,
+ .hash_init = hash_init_crc32,
+ .hash_update = hash_update_crc32,
+ .hash_finish = hash_finish_crc32,
},
};
-#if defined(CONFIG_HASH_VERIFY) || defined(CONFIG_CMD_HASH)
-#define MULTI_HASH
-#endif
-
/* Try to minimize code size for boards that don't want much hashing */
-#ifdef MULTI_HASH
+#if defined(CONFIG_SHA256) || defined(CONFIG_CMD_SHA1SUM) || \
+ defined(CONFIG_CRC32_VERIFY) || defined(CONFIG_CMD_HASH)
#define multi_hash() 1
#else
#define multi_hash() 0
#endif
+int hash_lookup_algo(const char *algo_name, struct hash_algo **algop)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(hash_algo); i++) {
+ if (!strcmp(algo_name, hash_algo[i].name)) {
+ *algop = &hash_algo[i];
+ return 0;
+ }
+ }
+
+ debug("Unknown hash algorithm '%s'\n", algo_name);
+ return -EPROTONOSUPPORT;
+}
+
+int hash_progressive_lookup_algo(const char *algo_name,
+ struct hash_algo **algop)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(hash_algo); i++) {
+ if (!strcmp(algo_name, hash_algo[i].name)) {
+ if (hash_algo[i].hash_init) {
+ *algop = &hash_algo[i];
+ return 0;
+ }
+ }
+ }
+
+ debug("Unknown hash algorithm '%s'\n", algo_name);
+ return -EPROTONOSUPPORT;
+}
+
+#ifndef USE_HOSTCC
+int hash_parse_string(const char *algo_name, const char *str, uint8_t *result)
+{
+ struct hash_algo *algo;
+ int ret;
+ int i;
+
+ ret = hash_lookup_algo(algo_name, &algo);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < algo->digest_size; i++) {
+ char chr[3];
+
+ strncpy(chr, &str[i * 2], 2);
+ result[i] = simple_strtoul(chr, NULL, 16);
+ }
+
+ return 0;
+}
+
+int hash_block(const char *algo_name, const void *data, unsigned int len,
+ uint8_t *output, int *output_size)
+{
+ struct hash_algo *algo;
+ int ret;
+
+ ret = hash_lookup_algo(algo_name, &algo);
+ if (ret)
+ return ret;
+
+ if (output_size && *output_size < algo->digest_size) {
+ debug("Output buffer size %d too small (need %d bytes)",
+ *output_size, algo->digest_size);
+ return -ENOSPC;
+ }
+ if (output_size)
+ *output_size = algo->digest_size;
+ algo->hash_func_ws(data, len, output, algo->chunk_size);
+
+ return 0;
+}
+
+#if defined(CONFIG_CMD_HASH) || defined(CONFIG_CMD_SHA1SUM) || defined(CONFIG_CMD_CRC32)
/**
* store_result: Store the resulting sum to an address or variable
*
* @allow_env_vars: non-zero to permit storing the result to an
* variable environment
*/
-static void store_result(struct hash_algo *algo, const u8 *sum,
+static void store_result(struct hash_algo *algo, const uint8_t *sum,
const char *dest, int allow_env_vars)
{
unsigned int i;
sprintf(str_ptr, "%02x", sum[i]);
str_ptr += 2;
}
- str_ptr = '\0';
- setenv(dest, str_output);
+ *str_ptr = '\0';
+ env_set(dest, str_output);
} else {
ulong addr;
void *buf;
* address, and the * prefix is not expected.
* @return 0 if ok, non-zero on error
*/
-static int parse_verify_sum(struct hash_algo *algo, char *verify_str, u8 *vsum,
- int allow_env_vars)
+static int parse_verify_sum(struct hash_algo *algo, char *verify_str,
+ uint8_t *vsum, int allow_env_vars)
{
int env_var = 0;
env_var = 1;
}
- if (env_var) {
+ if (!env_var) {
ulong addr;
void *buf;
buf = map_sysmem(addr, algo->digest_size);
memcpy(vsum, buf, algo->digest_size);
} else {
- unsigned int i;
char *vsum_str;
int digits = algo->digest_size * 2;
if (strlen(verify_str) == digits)
vsum_str = verify_str;
else {
- vsum_str = getenv(verify_str);
+ vsum_str = env_get(verify_str);
if (vsum_str == NULL || strlen(vsum_str) != digits) {
printf("Expected %d hex digits in env var\n",
digits);
}
}
- for (i = 0; i < algo->digest_size; i++) {
- char *nullp = vsum_str + (i + 1) * 2;
- char end = *nullp;
-
- *nullp = '\0';
- vsum[i] = simple_strtoul(vsum_str + (i * 2), NULL, 16);
- *nullp = end;
- }
+ hash_parse_string(algo->name, vsum_str, vsum);
}
return 0;
}
-static struct hash_algo *find_hash_algo(const char *name)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(hash_algo); i++) {
- if (!strcmp(name, hash_algo[i].name))
- return &hash_algo[i];
- }
-
- return NULL;
-}
-
-static void show_hash(struct hash_algo *algo, ulong addr, ulong len,
- u8 *output)
+static void hash_show(struct hash_algo *algo, ulong addr, ulong len, uint8_t *output)
{
int i;
printf("%02x", output[i]);
}
-int hash_block(const char *algo_name, const void *data, unsigned int len,
- uint8_t *output, int *output_size)
-{
- struct hash_algo *algo;
-
- algo = find_hash_algo(algo_name);
- if (!algo) {
- debug("Unknown hash algorithm '%s'\n", algo_name);
- return -EPROTONOSUPPORT;
- }
- if (output_size && *output_size < algo->digest_size) {
- debug("Output buffer size %d too small (need %d bytes)",
- *output_size, algo->digest_size);
- return -ENOSPC;
- }
- if (output_size)
- *output_size = algo->digest_size;
- algo->hash_func_ws(data, len, output, algo->chunk_size);
-
- return 0;
-}
-
int hash_command(const char *algo_name, int flags, cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
ulong addr, len;
- if (argc < 2)
+ if ((argc < 2) || ((flags & HASH_FLAG_VERIFY) && (argc < 3)))
return CMD_RET_USAGE;
addr = simple_strtoul(*argv++, NULL, 16);
if (multi_hash()) {
struct hash_algo *algo;
- u8 output[HASH_MAX_DIGEST_SIZE];
- u8 vsum[HASH_MAX_DIGEST_SIZE];
+ u8 *output;
+ uint8_t vsum[HASH_MAX_DIGEST_SIZE];
void *buf;
- algo = find_hash_algo(algo_name);
- if (!algo) {
+ if (hash_lookup_algo(algo_name, &algo)) {
printf("Unknown hash algorithm '%s'\n", algo_name);
return CMD_RET_USAGE;
}
return 1;
}
+ output = memalign(ARCH_DMA_MINALIGN,
+ sizeof(uint32_t) * HASH_MAX_DIGEST_SIZE);
+
buf = map_sysmem(addr, len);
algo->hash_func_ws(buf, len, output, algo->chunk_size);
unmap_sysmem(buf);
/* Try to avoid code bloat when verify is not needed */
-#ifdef CONFIG_HASH_VERIFY
+#if defined(CONFIG_CRC32_VERIFY) || defined(CONFIG_SHA1SUM_VERIFY) || \
+ defined(CONFIG_HASH_VERIFY)
if (flags & HASH_FLAG_VERIFY) {
#else
if (0) {
#endif
- if (!argc)
- return CMD_RET_USAGE;
if (parse_verify_sum(algo, *argv, vsum,
flags & HASH_FLAG_ENV)) {
printf("ERROR: %s does not contain a valid "
if (memcmp(output, vsum, algo->digest_size) != 0) {
int i;
- show_hash(algo, addr, len, output);
+ hash_show(algo, addr, len, output);
printf(" != ");
for (i = 0; i < algo->digest_size; i++)
printf("%02x", vsum[i]);
return 1;
}
} else {
- show_hash(algo, addr, len, output);
+ hash_show(algo, addr, len, output);
printf("\n");
if (argc) {
store_result(algo, output, *argv,
flags & HASH_FLAG_ENV);
}
+ unmap_sysmem(output);
+
}
/* Horrible code size hack for boards that just want crc32 */
return 0;
}
+#endif /* CONFIG_CMD_HASH || CONFIG_CMD_SHA1SUM || CONFIG_CMD_CRC32) */
+#endif /* !USE_HOSTCC */