license that can be found in the LICENSE file. //go:build !purego package sha256 import ( "crypto/internal/fips140deps/cpu" "crypto/internal/impl" ) var useAVX2 = cpu.X86HasAVX && cpu.X86HasAVX2 && cpu.X86HasBMI2 var useSHANI = cpu.X86HasAVX && cpu.X86HasSHA && cpu.X86HasSSE41 && cpu.X86HasSSSE3 func init() { impl.Register("sha256", "AVX2", &useAVX2) impl.Register("sha256", "SHA-NI", &useSHANI) } //go:noescape func blockAMD64(dig *Digest, p []byte) //go:noescape func blockAVX2(dig *Digest, p []byte)...