tokens: ['When', 'an', 'MS', 'wishes', 'to', 'establish', 'a', 'connection', 'with', 'the', 'network', 'the', 'MS', 'shall', 'indicate', 'to', 'the', 'network', 'in', 'the', 'MSUSIM', 'Classmark', 'which', 'cipher', 'and', 'integrity', 'algorithms', 'the', 'MS', 'supports', 'This', 'information', 'itself', 'must', 'be', 'integrity', 'protected', 'As', 'it', 'is', 'the', 'case', 'that', 'the', 'RNC', 'does', 'not', 'have', 'the', 'integrity', 'key', 'IK', 'when', 'receiving', 'the', 'MSUSIM', 'Classmark', 'this', 'information', 'must', 'be', 'stored', 'in', 'the', 'RNC', 'The', 'data', 'integrity', 'of', 'the', 'classmark', 'is', 'performed', 'during', 'the', 'security', 'mode', 'setup', 'procedure', 'by', 'use', 'of', 'the', 'most', 'recently', 'generated', 'IK', 'see', 'section', '', 'The', 'network', 'shall', 'compare', 'its', 'integrity', 'protection', 'capabilities', 'and', 'preferences', 'and', 'any', 'special', 'requirements', 'of', 'the', 'subscription', 'of', 'the', 'MS', 'with', 'those', 'indicated', 'by', 'the', 'MS', 'and', 'act', 'according', 'to', 'the', 'following', 'rules', '', 'If', 'the', 'MS', 'and', 'the', 'network', 'have', 'no', 'versions', 'of', 'the', 'UIA', 'algorithm', 'in', 'common', 'then', 'the', 'connection', 'shall', 'be', 'released', '', 'If', 'the', 'MS', 'and', 'the', 'network', 'have', 'at', 'least', 'one', 'version', 'of', 'the', 'UIA', 'algorithm', 'in', 'common', 'then', 'the', 'network', 'shall', 'select', 'one', 'of', 'the', 'mutually']