--HMAC-SHA2 implementation
--hmac.sha256(message, key) -> HMAC-SHA256 string
--hmac.sha384(message, key) -> HMAC-SHA384 string
--hmac.sha512(message, key) -> HMAC-SHA512 string

local hmac = require 'hmac'
local sha2 = require 'sha2'

hmac.sha256 = hmac.new(sha2.sha256, 64)
hmac.sha384 = hmac.new(sha2.sha384, 128)
hmac.sha512 = hmac.new(sha2.sha512, 128)

if not ... then require'hmac_sha2_test' end