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51 lines
1.0 KiB
51 lines
1.0 KiB
/*
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This file contains the byte & uint64 implementations that are used to test the
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bits implementations.
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*/
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package keccak
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func thetaU64Version(a [25]uint64) [25]uint64 {
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var c0, c1, c2, c3, c4, d uint64
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var r [25]uint64
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c0 = a[0] ^ a[5] ^ a[10] ^ a[15] ^ a[20]
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c1 = a[1] ^ a[6] ^ a[11] ^ a[16] ^ a[21]
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c2 = a[2] ^ a[7] ^ a[12] ^ a[17] ^ a[22]
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c3 = a[3] ^ a[8] ^ a[13] ^ a[18] ^ a[23]
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c4 = a[4] ^ a[9] ^ a[14] ^ a[19] ^ a[24]
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d = c4 ^ (c1<<1 | c1>>(64-1))
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r[0] = a[0] ^ d
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r[5] = a[5] ^ d
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r[10] = a[10] ^ d
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r[15] = a[15] ^ d
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r[20] = a[20] ^ d
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d = c0 ^ (c2<<1 | c2>>(64-1))
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r[1] = a[1] ^ d
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r[6] = a[6] ^ d
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r[11] = a[11] ^ d
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r[16] = a[16] ^ d
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r[21] = a[21] ^ d
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d = c1 ^ (c3<<1 | c3>>(64-1))
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r[2] = a[2] ^ d
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r[7] = a[7] ^ d
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r[12] = a[12] ^ d
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r[17] = a[17] ^ d
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r[22] = a[22] ^ d
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d = c2 ^ (c4<<1 | c4>>(64-1))
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r[3] = a[3] ^ d
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r[8] = a[8] ^ d
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r[13] = a[13] ^ d
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r[18] = a[18] ^ d
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r[23] = a[23] ^ d
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d = c3 ^ (c0<<1 | c0>>(64-1))
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r[4] = a[4] ^ d
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r[9] = a[9] ^ d
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r[14] = a[14] ^ d
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r[19] = a[19] ^ d
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r[24] = a[24] ^ d
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return r
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}
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