1. OpenSSL: The Open Source toolkit for SSL/TLS.
https://www.openssl.org/
2. Legion of the Bouncy Castle (2013).
https://www.bouncycastle.org/
3. de Oliveira, A.K.D.S.: An efficient software implementation of XMSS. Presented at LATINCRYPT 2014 (2014)
4. Lecture Notes in Computer Science;M Bellare,1999
5. Lecture Notes in Computer Science;DJ Bernstein,2015