The Double Ratchet Algorithm Trevor Perrin (editor) Moxie Marlinspike Revision 1,

Source URL: signal.org

How Secure is TextSecure? Tilman Frosch∗† , Christian Mainka† , Christoph Bader† , Florian Bergsma† , J¨org Schwenk† , Thorsten Holz† ∗G DATA Advanced Analytics GmbH {firstname.lastname}@gdata.de

Source URL: www.nds.rub.de

• Public-key cryptography
• Cryptographic protocols
• Secure communication
• Cryptographic software
• Double Ratchet Algorithm
• DiffieHellman key exchange
• WhatsApp
• Digital signature
• XTR
• Elliptic curve DiffieHellman
• Signal