SparkR_2.1.1.tar.gz: 873FCDB8 845D3B9B 552280EC D9B79AA5 E874DFB0 846D88E3
                     A5268D90 C0E0CCE1 2C65B686 915BC105 E646CA55 82BE7959
                     1FC148A4 C5610BEE 759C3A48 371D6A6F