EVPerr(EVP_F_EVP_DECRYPTFINAL,EVP_R_BAD_DECRYPT);
EVPerr(EVP_F_EVP_DECRYPTFINAL_EX,EVP_R_BAD_DECRYPT);
int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl)	{	int i,n;	unsigned int b;	*outl=0;	b=ctx->cipher->block_size;	if (ctx->flags & EVP_CIPH_NO_PADDING)		{		if(ctx->buf_len)			{			EVPerr(EVP_F_EVP_DECRYPTFINAL,EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH);			return 0;			}		*outl = 0;		return 1;		}	if (b > 1)		{		if (ctx->buf_len || !ctx->final_used)			{			EVPerr(EVP_F_EVP_DECRYPTFINAL,EVP_R_WRONG_FINAL_BLOCK_LENGTH);			return(0);			}		OPENSSL_assert(b <= sizeof ctx->final);		n=ctx->final[b-1];		if (n > (int)b)			{			EVPerr(EVP_F_EVP_DECRYPTFINAL,EVP_R_BAD_DECRYPT);			return(0);			}		for (i=0; i<n; i++)			{			if (ctx->final[--b] != n)				{				EVPerr(EVP_F_EVP_DECRYPTFINAL,EVP_R_BAD_DECRYPT);				return(0);				}			}		n=ctx->cipher->block_size-n;		for (i=0; i<n; i++)			out[i]=ctx->final[i];		*outl=n;		}	else		*outl=0;	return(1);	}