Rivest–Shamir–Adleman signature

The RSA signature is a cryptographic method used to verify that a message genuinely comes from a specific person or entity. Using their private key, the signer creates a unique digital signature for a message. Anyone with the signer’s public key can then verify the signature, confirming the message’s authenticity and integrity. Think of it like a digital handwritten signature: it assures the receiver that the message was indeed sent by the claimed sender and hasn’t been altered, ensuring trust and security in digital communications.