The phrase "key gateway" is grammatically correct and commonly used in written English.
It is often used to refer to an important entrance or access point in a sentence or passage. Example: The city's airport, being a key gateway to international travel, has undergone significant expansion in recent years.
But the key gateway to teenagers is the mobile phone.
One of the reasons space is at such a premium is that Hong Kong is a key gateway to China.
The city council has used all the powers at its disposal in order to kick-start redevelopment of this key gateway.
Roads and car parks dominate so that this key gateway to Bristol resembles a bypass rather than an important part of the city centre's fabric".
"You need to have a presence for your brand in the world's key gateway cities," said Raymond Bickson, managing director of Taj Hotels, a luxury group based in India.
"It will also help attract investment into our city by making a key gateway into Swansea far more visually attractive.
Airport tourism ambassadors will be rolled out at key gateways New York JFK, Hartsfield-Jackson Atlanta, LAX and Chicago O'Hare with a view to being stationed at all international gateways by the end of 2016.
Many of them have already taken on the de facto responsibilities of the state; any close analysis of what's happening with "smart cities" – whereby technology firms become key gateways to essential services of our cities – easily confirms that.
Therefore, sensor node can verify the signature using the public key of gateway, and this assures that the message is coming from a legitimate gateway, and not from an adversary.
where is the cost of generating an elliptic curve digital signature using private key of gateway, is the cost of verifying the signature using the public key of gateway by sensor node, is the cost of an encryption using public key of gateway by sensor node, and is the cost of a decryption using the private key of the gateway performed by the gateway.
where denotes the encryption function using the public key of gateway.
