-- Copyright (C) by Yichun Zhang (agentzh) require "resty.sha512" local ffi = require "ffi" local ffi_new = ffi.new local ffi_str = ffi.string local C = ffi.C local setmetatable = setmetatable --local error = error local _M = { _VERSION = '0.16' } local mt = { __index = _M } ffi.cdef[[ int SHA384_Init(SHA512_CTX *c); int SHA384_Update(SHA512_CTX *c, const void *data, size_t len); int SHA384_Final(unsigned char *md, SHA512_CTX *c); ]] local digest_len = 48 local buf = ffi_new("char[?]", digest_len) local ctx_ptr_type = ffi.typeof("SHA512_CTX[1]") function _M.new(self) local ctx = ffi_new(ctx_ptr_type) if C.SHA384_Init(ctx) == 0 then return nil end return setmetatable({ _ctx = ctx }, mt) end function _M.update(self, s) return C.SHA384_Update(self._ctx, s, #s) == 1 end function _M.final(self) if C.SHA384_Final(buf, self._ctx) == 1 then return ffi_str(buf, digest_len) end return nil end function _M.reset(self) return C.SHA384_Init(self._ctx) == 1 end return _M