|  | ◆ CRYPT_EAL_MdUpdate()
      
        
          | int32_t CRYPT_EAL_MdUpdate | ( | CRYPT_EAL_MdCTX * | ctx, |  
          |  |  | const uint8_t * | data, |  
          |  |  | uint32_t | len |  
          |  | ) |  |  |  
Continuously input the data to be digested.  参数
  
    | ctx | [IN/OUT] MD context, which is created by using the CRYPT_EAL_MdNewCtx interface. |  | data | [IN] Data to be digested. |  | len | [IN] Data length. The maximum length of sha384 and sha512 is [0, 2^128 bits). The maximum total length of sha1, sha224, sha256, sm3, and md5 is [0, 2^64 bits). The maximum length at a time is [0, 0xffffffff]. | 
 返回值
  
  
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