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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (c) 2013, Andreas Oetken.
- */
- #ifndef USE_HOSTCC
- #include <common.h>
- #include <fdtdec.h>
- #include <asm/byteorder.h>
- #include <linux/errno.h>
- #include <asm/unaligned.h>
- #include <hash.h>
- #else
- #include "fdt_host.h"
- #endif
- #include <hash.h>
- #include <image.h>
- int hash_calculate(const char *name,
- const struct image_region region[],
- int region_count, uint8_t *checksum)
- {
- struct hash_algo *algo;
- int ret = 0;
- void *ctx;
- uint32_t i;
- i = 0;
- ret = hash_progressive_lookup_algo(name, &algo);
- if (ret)
- return ret;
- ret = algo->hash_init(algo, &ctx);
- if (ret)
- return ret;
- for (i = 0; i < region_count - 1; i++) {
- ret = algo->hash_update(algo, ctx, region[i].data,
- region[i].size, 0);
- if (ret)
- return ret;
- }
- ret = algo->hash_update(algo, ctx, region[i].data, region[i].size, 1);
- if (ret)
- return ret;
- ret = algo->hash_finish(algo, ctx, checksum, algo->digest_size);
- if (ret)
- return ret;
- return 0;
- }
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