https://community.isc2.org/t5/Tech-Talk/Demystifying-the-Signal-Protocol/m-p/35226#M2629 <P>On a high level, the Signal Protocol is a security library on steroids. Despite its novelty and growing importance, there has been few formal analyses of this protocol, whilst it has been a driving force in the world of cybersecurity. So, what makes its End-to-End Encryption (E2EE) so powerful?</P><P><BR />The Signal Protocol amalgamates the Extended Triple Diffie-Hellman (X3DH) key agreement protocol, Double Ratchet algorithm, pre-keys, and uses Curve25519, AES-256, and HMAC-SHA256 as cryptographic primitives. These are all well-established, low-level cryptographic algorithms that are frequently used to build computer security systems.</P><P>&nbsp;</P><P>Looking for more details? Check out the research paper <A href="https://eprint.iacr.org/2016/1013.pdf" target="_blank" rel="noopener">here</A>.</P><P>&nbsp;</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-center" image-alt="Image Source: https://www.storagecraft.com" style="width: 400px;"><img src="https://community.isc2.org/t5/image/serverpage/image-id/4067iD48464D65871FAF3/image-size/medium?v=v2&amp;px=400" role="button" title="encryption.jpeg" alt="Image Source: https://www.storagecraft.com" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">Image Source: https://www.storagecraft.com</span></span></P><P>&nbsp;</P> Mon, 09 Oct 2023 09:30:31 GMT AppDefects 2023-10-09T09:30:31Z https://community.isc2.org/t5/Tech-Talk/Demystifying-the-Signal-Protocol/m-p/35226#M2629 <P>On a high level, the Signal Protocol is a security library on steroids. Despite its novelty and growing importance, there has been few formal analyses of this protocol, whilst it has been a driving force in the world of cybersecurity. So, what makes its End-to-End Encryption (E2EE) so powerful?</P><P><BR />The Signal Protocol amalgamates the Extended Triple Diffie-Hellman (X3DH) key agreement protocol, Double Ratchet algorithm, pre-keys, and uses Curve25519, AES-256, and HMAC-SHA256 as cryptographic primitives. These are all well-established, low-level cryptographic algorithms that are frequently used to build computer security systems.</P><P>&nbsp;</P><P>Looking for more details? Check out the research paper <A href="https://eprint.iacr.org/2016/1013.pdf" target="_blank" rel="noopener">here</A>.</P><P>&nbsp;</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-center" image-alt="Image Source: https://www.storagecraft.com" style="width: 400px;"><img src="https://community.isc2.org/t5/image/serverpage/image-id/4067iD48464D65871FAF3/image-size/medium?v=v2&amp;px=400" role="button" title="encryption.jpeg" alt="Image Source: https://www.storagecraft.com" /><span class="lia-inline-image-caption" onclick="event.preventDefault();">Image Source: https://www.storagecraft.com</span></span></P><P>&nbsp;</P> Mon, 09 Oct 2023 09:30:31 GMT https://community.isc2.org/t5/Tech-Talk/Demystifying-the-Signal-Protocol/m-p/35226#M2629 AppDefects 2023-10-09T09:30:31Z