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rsa-checksum.c sontains the hash_calculate() implementations. Despite the "rsa-" file prefix, this function is useful for other algorithms. To prevent confusion, move this file to lib/, and rename it to hash-checksum.c, to give it a more "generic" feel. Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
53 lines
996 B
C
53 lines
996 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2013, Andreas Oetken.
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*/
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#ifndef USE_HOSTCC
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#include <common.h>
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#include <fdtdec.h>
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#include <asm/byteorder.h>
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#include <linux/errno.h>
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#include <asm/unaligned.h>
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#include <hash.h>
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#else
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#include "fdt_host.h"
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#endif
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#include <hash.h>
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#include <image.h>
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int hash_calculate(const char *name,
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const struct image_region region[],
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int region_count, uint8_t *checksum)
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{
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struct hash_algo *algo;
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int ret = 0;
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void *ctx;
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uint32_t i;
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i = 0;
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ret = hash_progressive_lookup_algo(name, &algo);
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if (ret)
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return ret;
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ret = algo->hash_init(algo, &ctx);
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if (ret)
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return ret;
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for (i = 0; i < region_count - 1; i++) {
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ret = algo->hash_update(algo, ctx, region[i].data,
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region[i].size, 0);
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if (ret)
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return ret;
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}
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ret = algo->hash_update(algo, ctx, region[i].data, region[i].size, 1);
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if (ret)
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return ret;
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ret = algo->hash_finish(algo, ctx, checksum, algo->digest_size);
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if (ret)
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return ret;
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return 0;
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}
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