The extension of downloaded private key is ______
Answers
The encryption using a private key/public key pair ensures that the data can be encrypted by one key but can only be decrypted by the other key pair. This is sometime hard to understand, but believe me it works. The keys are similar in nature and can be used alternatively: what one key encrypts, the other key pair can decrypt. The key pair is based on prime numbers and their length in terms of bits ensures the difficulty of being able to decrypt the message without the key pairs. The trick in a key pair is to keep one key secret (the private key) and to distribute the other key (the public key) to everybody. Anybody can send you an encrypted message, that only you will be able to decrypt. You are the only one to have the other key pair, right? In the opposite , you can certify that a message is only coming from you, because you have encrypted it with you private key, and only the associated public key will decrypt it correctly. Beware, in this case the message is not secured you have only signed it. Everybody has the public key, remember!
One of the problem left is to know the public key of your correspondent. Usually you will ask him to send you a non confidential signed message that will contains his publick key as well as a certificate.
The extension of downloaded private key is .pem.
Explanation:
- It consists of a key pair where the public key is stored and the private key is stored by the User.
- The method of encryption using either the private key or the public key pair ensures that the data can be encrypted by one key but can only be decrypted by the other key pair.
- Both the keys are similar in nature and can be used alternatively where one key is utilised for encryption and the other 'key pair' is used for decryption. One key can be kept privately by the user and the other key can be used by a number of users.
To know more about encryption
Describe encryption. Explain the types of encryption.
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