@misc{rfc3874,
    series =    {Request for Comments},
    number =    3874,
    howpublished =  {RFC 3874},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC3874},
    url =       {https://www.rfc-editor.org/info/rfc3874},
    author =    {Russ Housley},
    title =     {{A 224-bit One-way Hash Function: SHA-224}},
    pagetotal = 6,
    year =      2004,
    month =     sep,
    abstract =  {This document specifies a 224-bit one-way hash function, called SHA-224. SHA-224 is based on SHA-256, but it uses a different initial value and the result is truncated to 224 bits. This memo provides information for the Internet community.},
}