▁There ▁are ▁related - key ▁attacks ▁against ▁A ES , ▁but ▁unlike ▁those ▁against ▁RC 4 , ▁they ' re ▁far ▁from ▁practical ▁to ▁implement , ▁and ▁W PA 2 ' s ▁key ▁generation ▁functions ▁may ▁provide ▁some ▁security ▁against ▁them . ▁ ▁Many ▁older ▁network ▁cards ▁cannot ▁run ▁W PA 2 . ▁ ▁References ▁ ▁Category : C rypt ographic ▁attacks <0x0A> </s> ▁The ▁ 1 9 8 0 ▁Vol vo ▁Grand ▁Prix ▁was ▁a ▁men ' s ▁professional ▁tennis ▁circuit ▁held ▁that ▁year . ▁It ▁incorpor ated ▁the ▁four ▁grand ▁sl am ▁tournament s , ▁the ▁Grand ▁Prix ▁tournament s . ▁The ▁Grand ▁Prix ▁circuit ▁is ▁a ▁prec ursor ▁to ▁the ▁ATP ▁Tour . ▁ ▁Vol vo ▁became ▁the ▁new ▁tour ▁spons or ▁of ▁the ▁Grand ▁Prix ▁circuit ▁after ▁Col gate - P alm ol ive ▁decided ▁to ▁end ▁its ▁spons or ship . ▁ ▁Sch edule ▁The ▁table ▁below ▁shows ▁the ▁ 1 9 8 0 ▁Vol vo ▁Grand ▁Prix ▁schedule . ▁ ▁January ▁ ▁February ▁ ▁March ▁ ▁April ▁ ▁May ▁ ▁June ▁ ▁July ▁ ▁August ▁ ▁September ▁ ▁October ▁ ▁November ▁ ▁December ▁ ▁January ▁ ▁Stand ings ▁The ▁ 1 9 8 0 ▁Grand ▁Prix ▁tournament s ▁were ▁divided ▁in ▁ 1 2 ▁separate ▁point ▁categories , ▁r anging ▁from ▁the ▁Grand ▁S lam ▁tournament s ▁( 3 5 0 ▁points ▁for ▁the ▁winner ) ▁to ▁the ▁smallest ▁Reg ular ▁Series ▁tournament s ▁( 5 0 ▁points ▁for ▁the ▁winner ). ▁At ▁the ▁end ▁of ▁the