68 lines
1.6 KiB
C
68 lines
1.6 KiB
C
#ifndef _HAL_SHA_H_
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#define _HAL_SHA_H_
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struct sha_dev
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{
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struct dev_obj dev;
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};
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enum SHA_CALC_FLAGS{
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SHA_CALC_LAST_DATA = 0x01,
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SHA_CALC_SHA256 = 0x02,
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SHA_CALC_SHA384 = 0x04,
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SHA_CALC_SHA512 = 0x08,
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};
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enum SHA_TYPE {
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SHA_SHA256 = 0x01,
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SHA_SHA384 = 0x02,
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SHA_SHA512 = 0x04,
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};
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struct sha_desc{
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void *state;
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uint32 type;
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};
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struct sha256_state {
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uint8 buf[64];
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uint32 cnt;
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uint8 output[32];
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};
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enum sha_ioctl_cmd {
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SHA_IOCTL_CMD_START,
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SHA_IOCTL_CMD_END,
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SHA_IOCTL_CMD_RESET,
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};
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struct sha_hal_ops
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{
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struct devobj_ops ops;
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int32 (*calc)(struct sha_dev *dev, uint8 input[], uint32 len, enum SHA_CALC_FLAGS flags);
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int32 (*read)(struct sha_dev *dev, uint8 output[], uint32 timeout);
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int32 (*ioctl)(struct sha_dev *dev, uint32 cmd, uint32 para);
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int32 (*requset_irq)(struct sha_dev *dev, void *irq_handle, void *args);
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int32 (*release_irq)(struct sha_dev *dev);
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};
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/*
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使用cache_clean去确保input对应的数据总是最新的
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sha_calc和sha_read已经淘汰了，请使用init->update*n->final
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*/
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int32 sha_calc(struct sha_dev *dev, uint8 input[], uint32 len, enum SHA_CALC_FLAGS flags);
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int32 sha_read(struct sha_dev *dev, uint8 output[], uint32 timeout);
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int32 sha_ioctl(struct sha_dev *dev, uint32 cmd, uint32 para);
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int32 sha_init(struct sha_dev *dev, enum SHA_CALC_FLAGS flags);
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int32 sha_update(struct sha_dev *dev, uint8 *input, uint32 len);
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int32 sha_final(struct sha_dev *dev, uint8 *output);
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int32 sha_requset_irq(struct sha_dev *dev, void *irq_handle, void *args);
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int32 sha_release_irq(struct sha_dev *dev);
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#endif
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