CRYPT_EAL_Md CRYPT_EAL_MdCopyCtx CRYPT_EAL_MdDeinit CRYPT_EAL_MdDupCtx CRYPT_EAL_MdFinal CRYPT_EAL_MdFreeCtx CRYPT_EAL_MdGetDigestSize CRYPT_EAL_MdGetId CRYPT_EAL_MdInit CRYPT_EAL_MdIsValidAlgId CRYPT_EAL_MdNewCtx CRYPT_EAL_MdUpdate

CRYPT_EAL_MdNewCtx() CRYPT_EAL_MdCTX * CRYPT_EAL_MdNewCtx ( CRYPT_MD_AlgId  id ) Create the MD context. After the calculation is complete, call the CRYPT_EAL_MdFreeCtx interface to release the memory. 参数 id [IN] Algorithm ID 返回值 CRYPT_EAL_MdCTX,MD context pointer. NULL, if the operation fails.