Welcome to cr.yp.to. Some popular subdomains:

• ECRYPT benchmarking.
• The cr.yp.to blog.
• djbsort.
• Fast constant-time gcd and modular inversion.
• OpenSSLNTRU.
• SafeCurves.
• Elligator.
• NaCl, the Networking and Cryptography library.
• The Bernstein v. United States page.
• My Untied Airlines.

Other popular cr.yp.to pages that you might be looking for:

• D. J. Bernstein's papers.
• D. J. Bernstein's talks.
• D. J. Bernstein's home page.
• The qmail home page.
• The djbdns home page.
• The daemontools home page.
• The ucspi-tcp home page.
• The Salsa20 home page.
• The cryptography page.
• United Airlines sucks (part 40).

But wait, there's more:

• Post-quantum cryptography.
• Classic McEliece.
• McTiny.
• NTRU Prime.
• SPHINCS+.
• libpqcrypto.org.
• isogeny.org.
• DNSCurve.
• CurveCP.
• EFD, the Explicit-Formulas Database.