122 lines
2.6 KiB
C
122 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2021 ASPEED Technology Inc.
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* Author: ChiaWei Wang <chiawei_wang@aspeedtech.com>
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*/
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#define LOG_CATEGORY UCLASS_HASH
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#include <common.h>
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#include <dm.h>
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#include <asm/global_data.h>
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#include <u-boot/hash.h>
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#include <errno.h>
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#include <fdtdec.h>
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#include <malloc.h>
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#include <asm/io.h>
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#include <linux/list.h>
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struct hash_info {
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char *name;
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uint32_t digest_size;
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};
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static const struct hash_info hash_info[HASH_ALGO_NUM] = {
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[HASH_ALGO_CRC16_CCITT] = { "crc16-ccitt", 2 },
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[HASH_ALGO_CRC32] = { "crc32", 4 },
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[HASH_ALGO_MD5] = { "md5", 16 },
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[HASH_ALGO_SHA1] = { "sha1", 20 },
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[HASH_ALGO_SHA256] = { "sha256", 32 },
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[HASH_ALGO_SHA384] = { "sha384", 48 },
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[HASH_ALGO_SHA512] = { "sha512", 64},
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};
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enum HASH_ALGO hash_algo_lookup_by_name(const char *name)
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{
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int i;
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if (!name)
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return HASH_ALGO_INVALID;
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for (i = 0; i < HASH_ALGO_NUM; ++i)
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if (!strcmp(name, hash_info[i].name))
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return i;
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return HASH_ALGO_INVALID;
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}
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ssize_t hash_algo_digest_size(enum HASH_ALGO algo)
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{
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if (algo >= HASH_ALGO_NUM)
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return -EINVAL;
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return hash_info[algo].digest_size;
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}
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const char *hash_algo_name(enum HASH_ALGO algo)
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{
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if (algo >= HASH_ALGO_NUM)
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return NULL;
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return hash_info[algo].name;
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}
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int hash_digest(struct udevice *dev, enum HASH_ALGO algo,
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const void *ibuf, const uint32_t ilen,
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void *obuf)
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{
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struct hash_ops *ops = (struct hash_ops *)device_get_ops(dev);
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if (!ops->hash_digest)
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return -ENOSYS;
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return ops->hash_digest(dev, algo, ibuf, ilen, obuf);
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}
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int hash_digest_wd(struct udevice *dev, enum HASH_ALGO algo,
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const void *ibuf, const uint32_t ilen,
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void *obuf, uint32_t chunk_sz)
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{
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struct hash_ops *ops = (struct hash_ops *)device_get_ops(dev);
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if (!ops->hash_digest_wd)
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return -ENOSYS;
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return ops->hash_digest_wd(dev, algo, ibuf, ilen, obuf, chunk_sz);
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}
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int hash_init(struct udevice *dev, enum HASH_ALGO algo, void **ctxp)
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{
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struct hash_ops *ops = (struct hash_ops *)device_get_ops(dev);
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if (!ops->hash_init)
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return -ENOSYS;
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return ops->hash_init(dev, algo, ctxp);
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}
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int hash_update(struct udevice *dev, void *ctx, const void *ibuf, const uint32_t ilen)
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{
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struct hash_ops *ops = (struct hash_ops *)device_get_ops(dev);
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if (!ops->hash_update)
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return -ENOSYS;
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return ops->hash_update(dev, ctx, ibuf, ilen);
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}
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int hash_finish(struct udevice *dev, void *ctx, void *obuf)
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{
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struct hash_ops *ops = (struct hash_ops *)device_get_ops(dev);
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if (!ops->hash_finish)
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return -ENOSYS;
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return ops->hash_finish(dev, ctx, obuf);
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}
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UCLASS_DRIVER(hash) = {
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.id = UCLASS_HASH,
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.name = "hash",
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};
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