CRYPT_EAL_CipherCtrl CRYPT_EAL_CipherDeinit CRYPT_EAL_CipherFinal CRYPT_EAL_CipherFreeCtx CRYPT_EAL_CipherGetInfo CRYPT_EAL_CipherGetPadding CRYPT_EAL_CipherInit CRYPT_EAL_CipherIsValidAlgId CRYPT_EAL_CipherNewCtx CRYPT_EAL_CipherReinit CRYPT_EAL_CipherSetPadding CRYPT_EAL_CipherUpdate

CRYPT_EAL_CipherFreeCtx() void CRYPT_EAL_CipherFreeCtx ( CRYPT_EAL_CipherCtx *  ctx ) Release the symmetric encryption/decryption handle. Clear sensitive information before releasing the handle. 注意 If the function is called by an external user and the error stack is concerned, it is recommended that BSL_ERR_ClearError() be called before this function is called. 参数 ctx [IN] Symmetric encryption/decryption handle. The CTX is set null by the caller.