suggestion4: more description to digital signatures

pinokey · Sep 24, 2023 · 1b22ff8 · 1b22ff8
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@@ -119,6 +119,8 @@ As a final touch on this section, [this video [10:32]](https://www.youtube.com/w
 
 Digital signatures ensure the integrity and authenticity of digital messages or documents. By providing a means to verify the origin and confirm that the content has not been altered, digital signatures play a pivotal role in maintaining trust in digital communications.
 
+In PKC, anyone can encrypt their message with the receiver's public key, and only the receiver can decrypt the message with their private key. In digital signatures, on the other hand, if a signer generates a signature for a message using their private key, anyone can validate it using the signer's public key. Therefore, the message of the signature is made public, which distinguishes it from cryptographic commitments.
+
 Start your exploration of digital signatures with this intuitive video:
 - [What are Digital Signatures? - Computerphile [10:16]](https://www.youtube.com/watch?v=s22eJ1eVLTU)