In public key cryptography there are two parts: 1) secret part 2) public part ,in order for p1 to send p2 a message ,p1 first need to obtain p2's public key and using this key encrypts the message then p2 using his secret key decrypts the message. And in private key cryptograhy there is only one key so in order for p1 to send a message to p2, p1 should firstly ask p2 for his key then encrypt the message using that key and then p2 uses the same key to decrypt the message.
There are 2 types of cryptography such as: 1- Symmetric-key or Secret key Cryptography 2- Asymmetric-key or Public key Cryptography
There are 2 types of cryptography such as: 1- Symmetric-key or Secret key Cryptography 2- Asymmetric-key or Public key Cryptography
public key cryptography private key cryptography
Yes
The key commonly used to securely distribute symmetric algorithm keys is the asymmetric encryption key, often derived from public-key cryptography. In this method, a sender uses the recipient's public key to encrypt the symmetric key, which can then be safely transmitted over insecure channels. Only the recipient, possessing the corresponding private key, can decrypt the message to retrieve the symmetric key. This approach ensures confidentiality and secure key exchange.
No, Public key cryptography is safer than Private key Cryptography. In public key cryptography only only one part of key is visible to others.
Public key cryptography is also known as assymteric key cryptography. It uses RSA algorithm ans is mainly for authentication.
There are two types of cryptography algorithms: 1) Public key cryptography 2) Secret key cryptography
In symmetric key encryption there is one key that is shared with the person you want to share with your data. The largest disadvantage is that you have to make sure that the key remain secret.
In cryptography, public key algorithms require two keys, one secret and one public. The public key is used in the encryption function, while the secret key is used in decryption . Conventional, or symmetric algorithms use a single key for both purposes.
This is known as RSA encryption. Encryption involving a public and private key combination is known as asynchronous cryptography, as opposed to synchronous cryptography. It is also known as public key cryptography. RSA is an algorithm that may be used (but there are others that can be used), in public key cryptography. (A key pair)
Symmetric cryptography only requires one key for both encryption and decryption and therefore in some cases are a issue.