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ref: cb091e75393b176ccb02c68f0ecfcfbb8bc49376 parent: 63ae9ed53a04fac853693f8d319a4bbc1f6b5f49 author: David du Colombier <0intro@gmail.com> date: Fri Sep 6 07:55:18 EDT 2019
sys/src/libventi: implement vtsha1 and vtsha1check functions