tokens: ['Stage', '', '', 'NIST', 'FIPS', 'PUB', '', 'Secure', 'Hash', 'Standard', 'SHS', '', 'IETF', 'RFC', '', '', 'US', 'Secure', 'Hash', 'Algorithms', 'SHA', 'and', 'HMACSHA', '', 'IETF', 'RFC', '', '', 'HMAC', 'KeyedHashing', 'for', 'Message', 'Authentication', '', 'TCG', 'Mobile', 'Phone', 'Specifications', 'httpswwwtrustedcomputinggrouporgspecsmobilephone', '', 'TCG', 'Trusted', 'Network', 'Connect', 'TNC', 'Specifications', 'httpswwwtrustedcomputinggrouporgspecsTNC', '', 'IETF', 'RFC', '', '', 'Hypertext', 'Transfer', 'Protocol', '', 'HTTP', '', 'Void', '', 'GPP', 'TS', '', '', 'Network', 'Domain', 'Security', 'NDS', 'Authentication', 'Framework', 'AF']