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@ -150,3 +150,69 @@ func rhopi(a [25 * 64]bool) [25 * 64]bool { |
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copy(r[1*64:2*64], or(leftShift(t[:], 44), rightShift(t[:], 64-44))) |
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return r |
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} |
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func chi(a [25 * 64]bool) [25 * 64]bool { |
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var c0, c1, c2, c3, c4 [64]bool |
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var r [25 * 64]bool |
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copy(c0[:], a[0:1*64]) |
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copy(c1[:], a[1*64:2*64]) |
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copy(c2[:], a[2*64:3*64]) |
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copy(c3[:], a[3*64:4*64]) |
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copy(c4[:], a[4*64:5*64]) |
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copy(r[0:1*64], xor(a[0:1*64], and(xorSingle(c1[:]), c2[:]))) |
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copy(r[1*64:2*64], xor(a[1*64:2*64], and(xorSingle(c2[:]), c3[:]))) |
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copy(r[2*64:3*64], xor(a[2*64:3*64], and(xorSingle(c3[:]), c4[:]))) |
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copy(r[3*64:4*64], xor(a[3*64:4*64], and(xorSingle(c4[:]), c0[:]))) |
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copy(r[4*64:5*64], xor(a[4*64:5*64], and(xorSingle(c0[:]), c1[:]))) |
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copy(c0[:], a[5*64:6*64]) |
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copy(c1[:], a[6*64:7*64]) |
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copy(c2[:], a[7*64:8*64]) |
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copy(c3[:], a[8*64:9*64]) |
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copy(c4[:], a[9*64:10*64]) |
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copy(r[5*64:6*64], xor(a[5*64:6*64], and(xorSingle(c1[:]), c2[:]))) |
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copy(r[6*64:7*64], xor(a[6*64:7*64], and(xorSingle(c2[:]), c3[:]))) |
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copy(r[7*64:8*64], xor(a[7*64:8*64], and(xorSingle(c3[:]), c4[:]))) |
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copy(r[8*64:9*64], xor(a[8*64:9*64], and(xorSingle(c4[:]), c0[:]))) |
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copy(r[9*64:10*64], xor(a[9*64:10*64], and(xorSingle(c0[:]), c1[:]))) |
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copy(c0[:], a[10*64:11*64]) |
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copy(c1[:], a[11*64:12*64]) |
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copy(c2[:], a[12*64:13*64]) |
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copy(c3[:], a[13*64:14*64]) |
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copy(c4[:], a[14*64:15*64]) |
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copy(r[10*64:11*64], xor(a[10*64:11*64], and(xorSingle(c1[:]), c2[:]))) |
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copy(r[11*64:12*64], xor(a[11*64:12*64], and(xorSingle(c2[:]), c3[:]))) |
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copy(r[12*64:13*64], xor(a[12*64:13*64], and(xorSingle(c3[:]), c4[:]))) |
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copy(r[13*64:14*64], xor(a[13*64:14*64], and(xorSingle(c4[:]), c0[:]))) |
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copy(r[14*64:15*64], xor(a[14*64:15*64], and(xorSingle(c0[:]), c1[:]))) |
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copy(c0[:], a[15*64:16*64]) |
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copy(c1[:], a[16*64:17*64]) |
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copy(c2[:], a[17*64:18*64]) |
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copy(c3[:], a[18*64:19*64]) |
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copy(c4[:], a[19*64:20*64]) |
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copy(r[15*64:16*64], xor(a[15*64:16*64], and(xorSingle(c1[:]), c2[:]))) |
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copy(r[16*64:17*64], xor(a[16*64:17*64], and(xorSingle(c2[:]), c3[:]))) |
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copy(r[17*64:18*64], xor(a[17*64:18*64], and(xorSingle(c3[:]), c4[:]))) |
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copy(r[18*64:19*64], xor(a[18*64:19*64], and(xorSingle(c4[:]), c0[:]))) |
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copy(r[19*64:20*64], xor(a[19*64:20*64], and(xorSingle(c0[:]), c1[:]))) |
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copy(c0[:], a[20*64:21*64]) |
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copy(c1[:], a[21*64:22*64]) |
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copy(c2[:], a[22*64:23*64]) |
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copy(c3[:], a[23*64:24*64]) |
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copy(c4[:], a[24*64:25*64]) |
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copy(r[20*64:21*64], xor(a[20*64:21*64], and(xorSingle(c1[:]), c2[:]))) |
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copy(r[21*64:22*64], xor(a[21*64:22*64], and(xorSingle(c2[:]), c3[:]))) |
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copy(r[22*64:23*64], xor(a[22*64:23*64], and(xorSingle(c3[:]), c4[:]))) |
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copy(r[23*64:24*64], xor(a[23*64:24*64], and(xorSingle(c4[:]), c0[:]))) |
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copy(r[24*64:25*64], xor(a[24*64:25*64], and(xorSingle(c0[:]), c1[:]))) |
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return r |
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} |