Can I have multiple public keys?

2 Answers. You can have as many keys as you desire. It’s good practice to use separate private/public key sets for different realms anyway, like one set for your personal use, one for your work, etc.

Does a private key contain the public key?

The private key always includes the public key. What you might really want is Signing. Using the same . NET classes, you can sign data with your private key and verify the signature on the other party’s side with the public key (which obviously doesn’t contain the private key).

How many addresses can a private key have?

EDIT: Actually now that I think about it you can probably generate an unlimited number of addresses with one private key by custom forming the script in a pay to script address. For example adding different lock times will change the address but keep same private key.

Is it OK to have multiple SSH keys?

As far as security is concerned, you don’t compromise your key in any way by using it to log in on a machine (as you would by using a password), so having separate keys for separate destinations doesn’t make you any more safe from an authentication/security perspective.

What is the private key?

A private key, also known as a secret key, is a variable in cryptography that is used with an algorithm to encrypt and decrypt data. A private key is typically a long, randomly or pseudo-randomly generated sequence of bits that cannot be easily guessed.

How do I make my public key private?

How to Create a Public/Private Key Pair

1. Start the key generation program.
2. Enter the path to the file that will hold the key.
3. Enter a passphrase for using your key.
4. Re-enter the passphrase to confirm it.
5. Check the results.
6. Copy the public key and append the key to the $HOME/.

What is the difference between a public key and an address?

The public address is a hashed version of the public key. Because the public key is made up of an extremely long string of numbers, it is compressed and shortened to form the public address. In effect, the private key generates the public key, which, in turn, generates the public address.

Can public ssh keys be shared?

Yes, it is safe to share your public SSH key with others. Public keys usually stored as id_rsa. pub are used to log into other servers. If anyone else has your public SSH keys on their server and they add them, you can log into their servers.

How many private keys should I have?

There is no need (and no improvement in security) by having one key per host. As long as your private key is kept private you can go with this single key and use it to authenticate yourself against multiple hosts.