HASH算法类相关接口

/* Digest message format of Warpdrive */
struct wcrypto_digest_msg {
__u8 alg_type;/* Denoted by enum wcrypto_type */
__u8 alg:4;/* Denoted by enum wcrypto_digest_alg */
__u8 has_next:1;/* denote whether there is next associated data */
__u8 mode:3;/* Denoted by enum wcrypto_digest_mode */
__u8 data_fmt;/* Data format, denoted by enum wd_buff_type */
__u8 result;/* Data format, denoted by WD error code */
__u16 key_bytes;/* Key size */
__u16 iv_bytes;/* IV size */
__u8 *key;/* Input key VA pointer, should be DMA buffer */
__u8 *iv;/* Input IV VA pointer, should be DMA buffer */
__u8 *in;/* Input data VA pointer, should be DMA buffer */
__u8 *out;/* Output data VA pointer, should be DMA buffer */
__u32 in_bytes;/* Input data bytes */
__u32 out_bytes;/* Output data bytes */
__u64 usr_data;/* user identifier: for example, can be struct wcrypto_cb_tag */
};

enum wcrypto_digest_alg {
WCRYPTO_SM3,
WCRYPTO_MD5,
WCRYPTO_SHA1,
WCRYPTO_SHA256,
WCRYPTO_SHA224,
WCRYPTO_SHA384,
WCRYPTO_SHA512,
WCRYPTO_SHA512_224,
WCRYPTO_SHA512_256,
WCRYPTO_MAX_DIGEST_TYPE,
};

enum wcrypto_digest_mode {
WCRYPTO_DIGEST_NORMAL,
WCRYPTO_DIGEST_HMAC,
};

struct wcrypto_digest_ctx_setup {
wcrypto_cb cb;/* call back function from user */
enum wcrypto_digest_alg alg;/* digest algorithm type */
enum wcrypto_digest_mode mode;/* digest algorithm mode */
struct wcrypto_mm_ops ops;/* memory operations from user */
__u16 data_fmt;/* data format denoted by enum wd_buff_type */
};

struct wcrypto_digest_op_data {
void *in;/* digest operation input address, should be dma buffer */
void *out;/* digest operation output address, shoud be dma buffer */
__u32 in_bytes;/* digest operation input bytes */
__u32 out_bytes;/* digest operation output bytes */
void *priv;/* private information should be dma buffer */
int status;/* digest operation status */
bool has_next;/* denote whether there is next associated data */
};