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Ethereum: Private Gorge Generation process
In the world of Ethereum and other blockchain networks, public keys play a crucial role in ensuring transactions and accessing accounts. However, behind the scenes, private keys are used to generate addresses that facilitate these processes. In this article, we will specifically deepen the way in which private keys, public keys and Ethereum addresses are created.
Private key generation
A private key is a unique code generated from a pair of cryptographic keys: a public key and a proper private key. The process of generating a private key involves:
- Creating key pairs : A user generates a pair of keys consisting of:
* Public key : A random number (usually 40 bytes) used for authentication and verification.
* Private key : The corresponding pair of cryptographic hash functions (for example, Sha-256) that can be used to obtain other keys or to perform cryptography operations.
- Hash
function: The user chooses a hashing algorithm (eg, Sha-256, Blake2) to generate the public key from their private key.
Here is an example of how it works:
Suppose you want to create a new Ethereum wallet using the Hardware (HWF) wallet. You have a private key generated by HW and you are ready to use it. To generate a public key, apply the Sha-256 hashing algorithm on your private key:
Public_Key = Sha256 (HW_wallet_private_Ky)
This public key can now be used to create an Ethereum address.
Public Key Generation
A public key is generated using the same cryptographic hash functions as the private key. The process of generating a public key involves:
- Hash function: a user chooses a hashing algorithm (eg, Sha-256, Blake2) that can be applied to their private key.
- Public key generation : The resulting hash value is used to generate a public key.
Here is an example of how it works:
Suppose you want to create a new ETHERUM wallet using the Software Waller (SW). You have a private key generated by SW and you are ready to use it. To generate a public key, apply the Sha-256 hashing algorithm on your private key:
Public_Key = Sha256 (Private_Key)
This public key can now be used to create an Ethereum address.
Generating Ethereum address
An Ethereum address is created using a combination of public key and a message (called "address" or "txid"). The process of generating an Ethereum address involves:
- Hash function: A user chooses a hashing algorithm that can be applied to their private key.
- Creating messages : A user creates a message, usually in hexadecimal format, which contains information about the transaction (for example, the public key, the transaction hash).
- Generation of addresses
: The resulting hash value is used to generate an Ethereum address.
Here is an example of how it works:
Suppose you want to create a new ETHERUM wallet using the Software Waller (SW). You have a private key generated by SW and you are ready to use it. To generate a public key, apply the Sha-256 hashing algorithm on your private key:
Public_Key = Sha256 (Private_Key)
To create an Ethereum address, combine the public key with a hexadecimal message, such as "0x1234567890ABCDEF":
Address = txid + message
For example, if the transaction hash is 0x1234567890ABCDEF, and your public key is 0x234567890ABCEFDABCD1234, the Ethereum address would be:
Address = 0x1234567890ABCDEF0X234567890ABCEFDABCD1234`
In conclusion, private keys are used to generate addresses, which facilitate safe transactions on Ethereum networks. By understanding how public and private keys are generated, you can better appreciate the complexities of the Blockchain and Cryptocurrency security transactions.
