func blamkaGeneric()

in argon2/blamka_generic.go [41:163]

• 106 lines of code
• 1 McCabe index (conditional complexity)

func blamkaGeneric(t00, t01, t02, t03, t04, t05, t06, t07, t08, t09, t10, t11, t12, t13, t14, t15 *uint64) {
	v00, v01, v02, v03 := *t00, *t01, *t02, *t03
	v04, v05, v06, v07 := *t04, *t05, *t06, *t07
	v08, v09, v10, v11 := *t08, *t09, *t10, *t11
	v12, v13, v14, v15 := *t12, *t13, *t14, *t15

	v00 += v04 + 2*uint64(uint32(v00))*uint64(uint32(v04))
	v12 ^= v00
	v12 = v12>>32 | v12<<32
	v08 += v12 + 2*uint64(uint32(v08))*uint64(uint32(v12))
	v04 ^= v08
	v04 = v04>>24 | v04<<40

	v00 += v04 + 2*uint64(uint32(v00))*uint64(uint32(v04))
	v12 ^= v00
	v12 = v12>>16 | v12<<48
	v08 += v12 + 2*uint64(uint32(v08))*uint64(uint32(v12))
	v04 ^= v08
	v04 = v04>>63 | v04<<1

	v01 += v05 + 2*uint64(uint32(v01))*uint64(uint32(v05))
	v13 ^= v01
	v13 = v13>>32 | v13<<32
	v09 += v13 + 2*uint64(uint32(v09))*uint64(uint32(v13))
	v05 ^= v09
	v05 = v05>>24 | v05<<40

	v01 += v05 + 2*uint64(uint32(v01))*uint64(uint32(v05))
	v13 ^= v01
	v13 = v13>>16 | v13<<48
	v09 += v13 + 2*uint64(uint32(v09))*uint64(uint32(v13))
	v05 ^= v09
	v05 = v05>>63 | v05<<1

	v02 += v06 + 2*uint64(uint32(v02))*uint64(uint32(v06))
	v14 ^= v02
	v14 = v14>>32 | v14<<32
	v10 += v14 + 2*uint64(uint32(v10))*uint64(uint32(v14))
	v06 ^= v10
	v06 = v06>>24 | v06<<40

	v02 += v06 + 2*uint64(uint32(v02))*uint64(uint32(v06))
	v14 ^= v02
	v14 = v14>>16 | v14<<48
	v10 += v14 + 2*uint64(uint32(v10))*uint64(uint32(v14))
	v06 ^= v10
	v06 = v06>>63 | v06<<1

	v03 += v07 + 2*uint64(uint32(v03))*uint64(uint32(v07))
	v15 ^= v03
	v15 = v15>>32 | v15<<32
	v11 += v15 + 2*uint64(uint32(v11))*uint64(uint32(v15))
	v07 ^= v11
	v07 = v07>>24 | v07<<40

	v03 += v07 + 2*uint64(uint32(v03))*uint64(uint32(v07))
	v15 ^= v03
	v15 = v15>>16 | v15<<48
	v11 += v15 + 2*uint64(uint32(v11))*uint64(uint32(v15))
	v07 ^= v11
	v07 = v07>>63 | v07<<1

	v00 += v05 + 2*uint64(uint32(v00))*uint64(uint32(v05))
	v15 ^= v00
	v15 = v15>>32 | v15<<32
	v10 += v15 + 2*uint64(uint32(v10))*uint64(uint32(v15))
	v05 ^= v10
	v05 = v05>>24 | v05<<40

	v00 += v05 + 2*uint64(uint32(v00))*uint64(uint32(v05))
	v15 ^= v00
	v15 = v15>>16 | v15<<48
	v10 += v15 + 2*uint64(uint32(v10))*uint64(uint32(v15))
	v05 ^= v10
	v05 = v05>>63 | v05<<1

	v01 += v06 + 2*uint64(uint32(v01))*uint64(uint32(v06))
	v12 ^= v01
	v12 = v12>>32 | v12<<32
	v11 += v12 + 2*uint64(uint32(v11))*uint64(uint32(v12))
	v06 ^= v11
	v06 = v06>>24 | v06<<40

	v01 += v06 + 2*uint64(uint32(v01))*uint64(uint32(v06))
	v12 ^= v01
	v12 = v12>>16 | v12<<48
	v11 += v12 + 2*uint64(uint32(v11))*uint64(uint32(v12))
	v06 ^= v11
	v06 = v06>>63 | v06<<1

	v02 += v07 + 2*uint64(uint32(v02))*uint64(uint32(v07))
	v13 ^= v02
	v13 = v13>>32 | v13<<32
	v08 += v13 + 2*uint64(uint32(v08))*uint64(uint32(v13))
	v07 ^= v08
	v07 = v07>>24 | v07<<40

	v02 += v07 + 2*uint64(uint32(v02))*uint64(uint32(v07))
	v13 ^= v02
	v13 = v13>>16 | v13<<48
	v08 += v13 + 2*uint64(uint32(v08))*uint64(uint32(v13))
	v07 ^= v08
	v07 = v07>>63 | v07<<1

	v03 += v04 + 2*uint64(uint32(v03))*uint64(uint32(v04))
	v14 ^= v03
	v14 = v14>>32 | v14<<32
	v09 += v14 + 2*uint64(uint32(v09))*uint64(uint32(v14))
	v04 ^= v09
	v04 = v04>>24 | v04<<40

	v03 += v04 + 2*uint64(uint32(v03))*uint64(uint32(v04))
	v14 ^= v03
	v14 = v14>>16 | v14<<48
	v09 += v14 + 2*uint64(uint32(v09))*uint64(uint32(v14))
	v04 ^= v09
	v04 = v04>>63 | v04<<1

	*t00, *t01, *t02, *t03 = v00, v01, v02, v03
	*t04, *t05, *t06, *t07 = v04, v05, v06, v07
	*t08, *t09, *t10, *t11 = v08, v09, v10, v11
	*t12, *t13, *t14, *t15 = v12, v13, v14, v15
}