chaoslawful/lua-nginx-module — pull request #66 by drmingdrmer (2011-11-15 10:12:47+00:00)
Title: add function ngx.hmac_sha1

If NGX_OPENSSL is enabled ngx.hmac_sha1 can be used to calculate hmac-sha1 checksum.

Implementation is actually borrowed from ngx_setmisc_module.