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digest256.go
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digest256.go
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package bmw
const (
// hash size
Size224 = 28
Size256 = 32
BlockSize256 = 64
)
// digest256 represents the partial evaluation of a checksum.
type digest256 struct {
s [16]uint32
x [BlockSize256]byte
nx int
len uint64
h2 [16]uint32
q [32]uint32
initVal [16]uint32
hs int
}
// newDigest256 returns a new *digest256 computing the bmw checksum
func newDigest256(initVal []uint32, hs int) *digest256 {
d := new(digest256)
copy(d.initVal[:], initVal)
d.hs = hs
d.Reset()
return d
}
func (d *digest256) Reset() {
// m
d.x = [BlockSize256]byte{}
// h
d.s = [16]uint32{}
d.nx = 0
d.len = 0
d.h2 = [16]uint32{}
d.q = [32]uint32{}
copy(d.s[:], d.initVal[:])
}
func (d *digest256) Size() int {
return d.hs
}
func (d *digest256) BlockSize() int {
return BlockSize256
}
func (d *digest256) Write(p []byte) (nn int, err error) {
nn = len(p)
plen := len(p)
var limit = BlockSize256
for d.nx + plen >= limit {
xx := limit - d.nx
copy(d.x[d.nx:], p)
d.processBlock(d.x[:])
plen -= xx
d.len += uint64(xx) * 8
p = p[xx:]
d.nx = 0
}
copy(d.x[d.nx:], p)
d.nx += plen
d.len += uint64(plen) * 8
return
}
func (d *digest256) Sum(in []byte) []byte {
// Make a copy of d so that caller can keep writing and summing.
d0 := *d
hash := d0.checkSum()
return append(in, hash...)
}
func (d *digest256) checkSum() []byte {
d.x[d.nx] = 0x80
d.nx++
var limit = BlockSize256
zeros := make([]byte, limit)
if d.nx > limit - 8 {
copy(d.x[d.nx:], zeros)
d.processBlock(d.x[:])
d.nx = 0
}
copy(d.x[d.nx:], zeros)
putu64(d.x[limit - 8:], d.len)
d.processBlock(d.x[:])
d.s, d.h2 = d.h2, d.s
copy(d.s[:], final256)
d.compress(d.h2[:])
outLen := d.hs >> 2
ss := uint32sToBytes(d.s[16 - outLen:])
return ss
}
func (d *digest256) processBlock(mm []byte) {
m := bytesToUint32s(mm)
d.compress(m)
}
func (d *digest256) compress(m []uint32) {
h := &d.s
q := &d.q
q[0] = ((((m[5] ^ h[5]) - (m[7] ^ h[7]) + (m[10] ^ h[10]) + (m[13] ^ h[13]) + (m[14] ^ h[14])) >> 1) ^ (((m[5] ^ h[5]) - (m[7] ^ h[7]) + (m[10] ^ h[10]) + (m[13] ^ h[13]) + (m[14] ^ h[14])) << 3) ^ circularLeft32(((m[5]^h[5])-(m[7]^h[7])+(m[10]^h[10])+(m[13]^h[13])+(m[14]^h[14])), 4) ^ circularLeft32(((m[5]^h[5])-(m[7]^h[7])+(m[10]^h[10])+(m[13]^h[13])+(m[14]^h[14])), 19)) + h[1]
q[1] = ((((m[6] ^ h[6]) - (m[8] ^ h[8]) + (m[11] ^ h[11]) + (m[14] ^ h[14]) - (m[15] ^ h[15])) >> 1) ^ (((m[6] ^ h[6]) - (m[8] ^ h[8]) + (m[11] ^ h[11]) + (m[14] ^ h[14]) - (m[15] ^ h[15])) << 2) ^ circularLeft32(((m[6]^h[6])-(m[8]^h[8])+(m[11]^h[11])+(m[14]^h[14])-(m[15]^h[15])), 8) ^ circularLeft32(((m[6]^h[6])-(m[8]^h[8])+(m[11]^h[11])+(m[14]^h[14])-(m[15]^h[15])), 23)) + h[2]
q[2] = ((((m[0] ^ h[0]) + (m[7] ^ h[7]) + (m[9] ^ h[9]) - (m[12] ^ h[12]) + (m[15] ^ h[15])) >> 2) ^ (((m[0] ^ h[0]) + (m[7] ^ h[7]) + (m[9] ^ h[9]) - (m[12] ^ h[12]) + (m[15] ^ h[15])) << 1) ^ circularLeft32(((m[0]^h[0])+(m[7]^h[7])+(m[9]^h[9])-(m[12]^h[12])+(m[15]^h[15])), 12) ^ circularLeft32(((m[0]^h[0])+(m[7]^h[7])+(m[9]^h[9])-(m[12]^h[12])+(m[15]^h[15])), 25)) + h[3]
q[3] = ((((m[0] ^ h[0]) - (m[1] ^ h[1]) + (m[8] ^ h[8]) - (m[10] ^ h[10]) + (m[13] ^ h[13])) >> 2) ^ (((m[0] ^ h[0]) - (m[1] ^ h[1]) + (m[8] ^ h[8]) - (m[10] ^ h[10]) + (m[13] ^ h[13])) << 2) ^ circularLeft32(((m[0]^h[0])-(m[1]^h[1])+(m[8]^h[8])-(m[10]^h[10])+(m[13]^h[13])), 15) ^ circularLeft32(((m[0]^h[0])-(m[1]^h[1])+(m[8]^h[8])-(m[10]^h[10])+(m[13]^h[13])), 29)) + h[4]
q[4] = ((((m[1] ^ h[1]) + (m[2] ^ h[2]) + (m[9] ^ h[9]) - (m[11] ^ h[11]) - (m[14] ^ h[14])) >> 1) ^ ((m[1] ^ h[1]) + (m[2] ^ h[2]) + (m[9] ^ h[9]) - (m[11] ^ h[11]) - (m[14] ^ h[14]))) + h[5]
q[5] = ((((m[3] ^ h[3]) - (m[2] ^ h[2]) + (m[10] ^ h[10]) - (m[12] ^ h[12]) + (m[15] ^ h[15])) >> 1) ^ (((m[3] ^ h[3]) - (m[2] ^ h[2]) + (m[10] ^ h[10]) - (m[12] ^ h[12]) + (m[15] ^ h[15])) << 3) ^ circularLeft32(((m[3]^h[3])-(m[2]^h[2])+(m[10]^h[10])-(m[12]^h[12])+(m[15]^h[15])), 4) ^ circularLeft32(((m[3]^h[3])-(m[2]^h[2])+(m[10]^h[10])-(m[12]^h[12])+(m[15]^h[15])), 19)) + h[6]
q[6] = ((((m[4] ^ h[4]) - (m[0] ^ h[0]) - (m[3] ^ h[3]) - (m[11] ^ h[11]) + (m[13] ^ h[13])) >> 1) ^ (((m[4] ^ h[4]) - (m[0] ^ h[0]) - (m[3] ^ h[3]) - (m[11] ^ h[11]) + (m[13] ^ h[13])) << 2) ^ circularLeft32(((m[4]^h[4])-(m[0]^h[0])-(m[3]^h[3])-(m[11]^h[11])+(m[13]^h[13])), 8) ^ circularLeft32(((m[4]^h[4])-(m[0]^h[0])-(m[3]^h[3])-(m[11]^h[11])+(m[13]^h[13])), 23)) + h[7]
q[7] = ((((m[1] ^ h[1]) - (m[4] ^ h[4]) - (m[5] ^ h[5]) - (m[12] ^ h[12]) - (m[14] ^ h[14])) >> 2) ^ (((m[1] ^ h[1]) - (m[4] ^ h[4]) - (m[5] ^ h[5]) - (m[12] ^ h[12]) - (m[14] ^ h[14])) << 1) ^ circularLeft32(((m[1]^h[1])-(m[4]^h[4])-(m[5]^h[5])-(m[12]^h[12])-(m[14]^h[14])), 12) ^ circularLeft32(((m[1]^h[1])-(m[4]^h[4])-(m[5]^h[5])-(m[12]^h[12])-(m[14]^h[14])), 25)) + h[8]
q[8] = ((((m[2] ^ h[2]) - (m[5] ^ h[5]) - (m[6] ^ h[6]) + (m[13] ^ h[13]) - (m[15] ^ h[15])) >> 2) ^ (((m[2] ^ h[2]) - (m[5] ^ h[5]) - (m[6] ^ h[6]) + (m[13] ^ h[13]) - (m[15] ^ h[15])) << 2) ^ circularLeft32(((m[2]^h[2])-(m[5]^h[5])-(m[6]^h[6])+(m[13]^h[13])-(m[15]^h[15])), 15) ^ circularLeft32(((m[2]^h[2])-(m[5]^h[5])-(m[6]^h[6])+(m[13]^h[13])-(m[15]^h[15])), 29)) + h[9]
q[9] = ((((m[0] ^ h[0]) - (m[3] ^ h[3]) + (m[6] ^ h[6]) - (m[7] ^ h[7]) + (m[14] ^ h[14])) >> 1) ^ ((m[0] ^ h[0]) - (m[3] ^ h[3]) + (m[6] ^ h[6]) - (m[7] ^ h[7]) + (m[14] ^ h[14]))) + h[10]
q[10] = ((((m[8] ^ h[8]) - (m[1] ^ h[1]) - (m[4] ^ h[4]) - (m[7] ^ h[7]) + (m[15] ^ h[15])) >> 1) ^ (((m[8] ^ h[8]) - (m[1] ^ h[1]) - (m[4] ^ h[4]) - (m[7] ^ h[7]) + (m[15] ^ h[15])) << 3) ^ circularLeft32(((m[8]^h[8])-(m[1]^h[1])-(m[4]^h[4])-(m[7]^h[7])+(m[15]^h[15])), 4) ^ circularLeft32(((m[8]^h[8])-(m[1]^h[1])-(m[4]^h[4])-(m[7]^h[7])+(m[15]^h[15])), 19)) + h[11]
q[11] = ((((m[8] ^ h[8]) - (m[0] ^ h[0]) - (m[2] ^ h[2]) - (m[5] ^ h[5]) + (m[9] ^ h[9])) >> 1) ^ (((m[8] ^ h[8]) - (m[0] ^ h[0]) - (m[2] ^ h[2]) - (m[5] ^ h[5]) + (m[9] ^ h[9])) << 2) ^ circularLeft32(((m[8]^h[8])-(m[0]^h[0])-(m[2]^h[2])-(m[5]^h[5])+(m[9]^h[9])), 8) ^ circularLeft32(((m[8]^h[8])-(m[0]^h[0])-(m[2]^h[2])-(m[5]^h[5])+(m[9]^h[9])), 23)) + h[12]
q[12] = ((((m[1] ^ h[1]) + (m[3] ^ h[3]) - (m[6] ^ h[6]) - (m[9] ^ h[9]) + (m[10] ^ h[10])) >> 2) ^ (((m[1] ^ h[1]) + (m[3] ^ h[3]) - (m[6] ^ h[6]) - (m[9] ^ h[9]) + (m[10] ^ h[10])) << 1) ^ circularLeft32(((m[1]^h[1])+(m[3]^h[3])-(m[6]^h[6])-(m[9]^h[9])+(m[10]^h[10])), 12) ^ circularLeft32(((m[1]^h[1])+(m[3]^h[3])-(m[6]^h[6])-(m[9]^h[9])+(m[10]^h[10])), 25)) + h[13]
q[13] = ((((m[2] ^ h[2]) + (m[4] ^ h[4]) + (m[7] ^ h[7]) + (m[10] ^ h[10]) + (m[11] ^ h[11])) >> 2) ^ (((m[2] ^ h[2]) + (m[4] ^ h[4]) + (m[7] ^ h[7]) + (m[10] ^ h[10]) + (m[11] ^ h[11])) << 2) ^ circularLeft32(((m[2]^h[2])+(m[4]^h[4])+(m[7]^h[7])+(m[10]^h[10])+(m[11]^h[11])), 15) ^ circularLeft32(((m[2]^h[2])+(m[4]^h[4])+(m[7]^h[7])+(m[10]^h[10])+(m[11]^h[11])), 29)) + h[14]
q[14] = ((((m[3] ^ h[3]) - (m[5] ^ h[5]) + (m[8] ^ h[8]) - (m[11] ^ h[11]) - (m[12] ^ h[12])) >> 1) ^ ((m[3] ^ h[3]) - (m[5] ^ h[5]) + (m[8] ^ h[8]) - (m[11] ^ h[11]) - (m[12] ^ h[12]))) + h[15]
q[15] = ((((m[12] ^ h[12]) - (m[4] ^ h[4]) - (m[6] ^ h[6]) - (m[9] ^ h[9]) + (m[13] ^ h[13])) >> 1) ^ (((m[12] ^ h[12]) - (m[4] ^ h[4]) - (m[6] ^ h[6]) - (m[9] ^ h[9]) + (m[13] ^ h[13])) << 3) ^ circularLeft32(((m[12]^h[12])-(m[4]^h[4])-(m[6]^h[6])-(m[9]^h[9])+(m[13]^h[13])), 4) ^ circularLeft32(((m[12]^h[12])-(m[4]^h[4])-(m[6]^h[6])-(m[9]^h[9])+(m[13]^h[13])), 19)) + h[0]
q[16] = (((q[0] >> 1) ^ (q[0] << 2) ^ circularLeft32(q[0], 8) ^ circularLeft32(q[0], 23)) + ((q[1] >> 2) ^ (q[1] << 1) ^ circularLeft32(q[1], 12) ^ circularLeft32(q[1], 25)) + ((q[2] >> 2) ^ (q[2] << 2) ^ circularLeft32(q[2], 15) ^ circularLeft32(q[2], 29)) + ((q[3] >> 1) ^ (q[3] << 3) ^ circularLeft32(q[3], 4) ^ circularLeft32(q[3], 19)) + ((q[4] >> 1) ^ (q[4] << 2) ^ circularLeft32(q[4], 8) ^ circularLeft32(q[4], 23)) + ((q[5] >> 2) ^ (q[5] << 1) ^ circularLeft32(q[5], 12) ^ circularLeft32(q[5], 25)) + ((q[6] >> 2) ^ (q[6] << 2) ^ circularLeft32(q[6], 15) ^ circularLeft32(q[6], 29)) + ((q[7] >> 1) ^ (q[7] << 3) ^ circularLeft32(q[7], 4) ^ circularLeft32(q[7], 19)) + ((q[8] >> 1) ^ (q[8] << 2) ^ circularLeft32(q[8], 8) ^ circularLeft32(q[8], 23)) + ((q[9] >> 2) ^ (q[9] << 1) ^ circularLeft32(q[9], 12) ^ circularLeft32(q[9], 25)) + ((q[10] >> 2) ^ (q[10] << 2) ^ circularLeft32(q[10], 15) ^ circularLeft32(q[10], 29)) + ((q[11] >> 1) ^ (q[11] << 3) ^ circularLeft32(q[11], 4) ^ circularLeft32(q[11], 19)) + ((q[12] >> 1) ^ (q[12] << 2) ^ circularLeft32(q[12], 8) ^ circularLeft32(q[12], 23)) + ((q[13] >> 2) ^ (q[13] << 1) ^ circularLeft32(q[13], 12) ^ circularLeft32(q[13], 25)) + ((q[14] >> 2) ^ (q[14] << 2) ^ circularLeft32(q[14], 15) ^ circularLeft32(q[14], 29)) + ((q[15] >> 1) ^ (q[15] << 3) ^ circularLeft32(q[15], 4) ^ circularLeft32(q[15], 19)) + ((circularLeft32(m[0], 1) + circularLeft32(m[3], 4) - circularLeft32(m[10], 11) + (16 * 0x05555555)) ^ h[7]))
q[17] = (((q[1] >> 1) ^ (q[1] << 2) ^ circularLeft32(q[1], 8) ^ circularLeft32(q[1], 23)) + ((q[2] >> 2) ^ (q[2] << 1) ^ circularLeft32(q[2], 12) ^ circularLeft32(q[2], 25)) + ((q[3] >> 2) ^ (q[3] << 2) ^ circularLeft32(q[3], 15) ^ circularLeft32(q[3], 29)) + ((q[4] >> 1) ^ (q[4] << 3) ^ circularLeft32(q[4], 4) ^ circularLeft32(q[4], 19)) + ((q[5] >> 1) ^ (q[5] << 2) ^ circularLeft32(q[5], 8) ^ circularLeft32(q[5], 23)) + ((q[6] >> 2) ^ (q[6] << 1) ^ circularLeft32(q[6], 12) ^ circularLeft32(q[6], 25)) + ((q[7] >> 2) ^ (q[7] << 2) ^ circularLeft32(q[7], 15) ^ circularLeft32(q[7], 29)) + ((q[8] >> 1) ^ (q[8] << 3) ^ circularLeft32(q[8], 4) ^ circularLeft32(q[8], 19)) + ((q[9] >> 1) ^ (q[9] << 2) ^ circularLeft32(q[9], 8) ^ circularLeft32(q[9], 23)) + ((q[10] >> 2) ^ (q[10] << 1) ^ circularLeft32(q[10], 12) ^ circularLeft32(q[10], 25)) + ((q[11] >> 2) ^ (q[11] << 2) ^ circularLeft32(q[11], 15) ^ circularLeft32(q[11], 29)) + ((q[12] >> 1) ^ (q[12] << 3) ^ circularLeft32(q[12], 4) ^ circularLeft32(q[12], 19)) + ((q[13] >> 1) ^ (q[13] << 2) ^ circularLeft32(q[13], 8) ^ circularLeft32(q[13], 23)) + ((q[14] >> 2) ^ (q[14] << 1) ^ circularLeft32(q[14], 12) ^ circularLeft32(q[14], 25)) + ((q[15] >> 2) ^ (q[15] << 2) ^ circularLeft32(q[15], 15) ^ circularLeft32(q[15], 29)) + ((q[16] >> 1) ^ (q[16] << 3) ^ circularLeft32(q[16], 4) ^ circularLeft32(q[16], 19)) + ((circularLeft32(m[1], 2) + circularLeft32(m[4], 5) - circularLeft32(m[11], 12) + (17 * 0x05555555)) ^ h[8]))
q[18] = (q[2] + circularLeft32(q[3], 3) + q[4] + circularLeft32(q[5], 7) + q[6] + circularLeft32(q[7], 13) + q[8] + circularLeft32(q[9], 16) + q[10] + circularLeft32(q[11], 19) + q[12] + circularLeft32(q[13], 23) + q[14] + circularLeft32(q[15], 27) + ((q[16] >> 1) ^ q[16]) + ((q[17] >> 2) ^ q[17]) + ((circularLeft32(m[2], 3) + circularLeft32(m[5], 6) - circularLeft32(m[12], 13) + (18 * 0x05555555)) ^ h[9]))
q[19] = (q[3] + circularLeft32(q[4], 3) + q[5] + circularLeft32(q[6], 7) + q[7] + circularLeft32(q[8], 13) + q[9] + circularLeft32(q[10], 16) + q[11] + circularLeft32(q[12], 19) + q[13] + circularLeft32(q[14], 23) + q[15] + circularLeft32(q[16], 27) + ((q[17] >> 1) ^ q[17]) + ((q[18] >> 2) ^ q[18]) + ((circularLeft32(m[3], 4) + circularLeft32(m[6], 7) - circularLeft32(m[13], 14) + (19 * 0x05555555)) ^ h[10]))
q[20] = (q[4] + circularLeft32(q[5], 3) + q[6] + circularLeft32(q[7], 7) + q[8] + circularLeft32(q[9], 13) + q[10] + circularLeft32(q[11], 16) + q[12] + circularLeft32(q[13], 19) + q[14] + circularLeft32(q[15], 23) + q[16] + circularLeft32(q[17], 27) + ((q[18] >> 1) ^ q[18]) + ((q[19] >> 2) ^ q[19]) + ((circularLeft32(m[4], 5) + circularLeft32(m[7], 8) - circularLeft32(m[14], 15) + (20 * 0x05555555)) ^ h[11]))
q[21] = (q[5] + circularLeft32(q[6], 3) + q[7] + circularLeft32(q[8], 7) + q[9] + circularLeft32(q[10], 13) + q[11] + circularLeft32(q[12], 16) + q[13] + circularLeft32(q[14], 19) + q[15] + circularLeft32(q[16], 23) + q[17] + circularLeft32(q[18], 27) + ((q[19] >> 1) ^ q[19]) + ((q[20] >> 2) ^ q[20]) + ((circularLeft32(m[5], 6) + circularLeft32(m[8], 9) - circularLeft32(m[15], 16) + (21 * 0x05555555)) ^ h[12]))
q[22] = (q[6] + circularLeft32(q[7], 3) + q[8] + circularLeft32(q[9], 7) + q[10] + circularLeft32(q[11], 13) + q[12] + circularLeft32(q[13], 16) + q[14] + circularLeft32(q[15], 19) + q[16] + circularLeft32(q[17], 23) + q[18] + circularLeft32(q[19], 27) + ((q[20] >> 1) ^ q[20]) + ((q[21] >> 2) ^ q[21]) + ((circularLeft32(m[6], 7) + circularLeft32(m[9], 10) - circularLeft32(m[0], 1) + (22 * 0x05555555)) ^ h[13]))
q[23] = (q[7] + circularLeft32(q[8], 3) + q[9] + circularLeft32(q[10], 7) + q[11] + circularLeft32(q[12], 13) + q[13] + circularLeft32(q[14], 16) + q[15] + circularLeft32(q[16], 19) + q[17] + circularLeft32(q[18], 23) + q[19] + circularLeft32(q[20], 27) + ((q[21] >> 1) ^ q[21]) + ((q[22] >> 2) ^ q[22]) + ((circularLeft32(m[7], 8) + circularLeft32(m[10], 11) - circularLeft32(m[1], 2) + (23 * 0x05555555)) ^ h[14]))
q[24] = (q[8] + circularLeft32(q[9], 3) + q[10] + circularLeft32(q[11], 7) + q[12] + circularLeft32(q[13], 13) + q[14] + circularLeft32(q[15], 16) + q[16] + circularLeft32(q[17], 19) + q[18] + circularLeft32(q[19], 23) + q[20] + circularLeft32(q[21], 27) + ((q[22] >> 1) ^ q[22]) + ((q[23] >> 2) ^ q[23]) + ((circularLeft32(m[8], 9) + circularLeft32(m[11], 12) - circularLeft32(m[2], 3) + (24 * 0x05555555)) ^ h[15]))
q[25] = (q[9] + circularLeft32(q[10], 3) + q[11] + circularLeft32(q[12], 7) + q[13] + circularLeft32(q[14], 13) + q[15] + circularLeft32(q[16], 16) + q[17] + circularLeft32(q[18], 19) + q[19] + circularLeft32(q[20], 23) + q[21] + circularLeft32(q[22], 27) + ((q[23] >> 1) ^ q[23]) + ((q[24] >> 2) ^ q[24]) + ((circularLeft32(m[9], 10) + circularLeft32(m[12], 13) - circularLeft32(m[3], 4) + (25 * 0x05555555)) ^ h[0]))
q[26] = (q[10] + circularLeft32(q[11], 3) + q[12] + circularLeft32(q[13], 7) + q[14] + circularLeft32(q[15], 13) + q[16] + circularLeft32(q[17], 16) + q[18] + circularLeft32(q[19], 19) + q[20] + circularLeft32(q[21], 23) + q[22] + circularLeft32(q[23], 27) + ((q[24] >> 1) ^ q[24]) + ((q[25] >> 2) ^ q[25]) + ((circularLeft32(m[10], 11) + circularLeft32(m[13], 14) - circularLeft32(m[4], 5) + (26 * 0x05555555)) ^ h[1]))
q[27] = (q[11] + circularLeft32(q[12], 3) + q[13] + circularLeft32(q[14], 7) + q[15] + circularLeft32(q[16], 13) + q[17] + circularLeft32(q[18], 16) + q[19] + circularLeft32(q[20], 19) + q[21] + circularLeft32(q[22], 23) + q[23] + circularLeft32(q[24], 27) + ((q[25] >> 1) ^ q[25]) + ((q[26] >> 2) ^ q[26]) + ((circularLeft32(m[11], 12) + circularLeft32(m[14], 15) - circularLeft32(m[5], 6) + (27 * 0x05555555)) ^ h[2]))
q[28] = (q[12] + circularLeft32(q[13], 3) + q[14] + circularLeft32(q[15], 7) + q[16] + circularLeft32(q[17], 13) + q[18] + circularLeft32(q[19], 16) + q[20] + circularLeft32(q[21], 19) + q[22] + circularLeft32(q[23], 23) + q[24] + circularLeft32(q[25], 27) + ((q[26] >> 1) ^ q[26]) + ((q[27] >> 2) ^ q[27]) + ((circularLeft32(m[12], 13) + circularLeft32(m[15], 16) - circularLeft32(m[6], 7) + (28 * 0x05555555)) ^ h[3]))
q[29] = (q[13] + circularLeft32(q[14], 3) + q[15] + circularLeft32(q[16], 7) + q[17] + circularLeft32(q[18], 13) + q[19] + circularLeft32(q[20], 16) + q[21] + circularLeft32(q[22], 19) + q[23] + circularLeft32(q[24], 23) + q[25] + circularLeft32(q[26], 27) + ((q[27] >> 1) ^ q[27]) + ((q[28] >> 2) ^ q[28]) + ((circularLeft32(m[13], 14) + circularLeft32(m[0], 1) - circularLeft32(m[7], 8) + (29 * 0x05555555)) ^ h[4]))
q[30] = (q[14] + circularLeft32(q[15], 3) + q[16] + circularLeft32(q[17], 7) + q[18] + circularLeft32(q[19], 13) + q[20] + circularLeft32(q[21], 16) + q[22] + circularLeft32(q[23], 19) + q[24] + circularLeft32(q[25], 23) + q[26] + circularLeft32(q[27], 27) + ((q[28] >> 1) ^ q[28]) + ((q[29] >> 2) ^ q[29]) + ((circularLeft32(m[14], 15) + circularLeft32(m[1], 2) - circularLeft32(m[8], 9) + (30 * 0x05555555)) ^ h[5]))
q[31] = (q[15] + circularLeft32(q[16], 3) + q[17] + circularLeft32(q[18], 7) + q[19] + circularLeft32(q[20], 13) + q[21] + circularLeft32(q[22], 16) + q[23] + circularLeft32(q[24], 19) + q[25] + circularLeft32(q[26], 23) + q[27] + circularLeft32(q[28], 27) + ((q[29] >> 1) ^ q[29]) + ((q[30] >> 2) ^ q[30]) + ((circularLeft32(m[15], 16) + circularLeft32(m[2], 3) - circularLeft32(m[9], 10) + (31 * 0x05555555)) ^ h[6]))
xl := q[16] ^ q[17] ^ q[18] ^ q[19] ^ q[20] ^ q[21] ^ q[22] ^ q[23]
xh := xl ^ q[24] ^ q[25] ^ q[26] ^ q[27] ^ q[28] ^ q[29] ^ q[30] ^ q[31]
h[0] = ((xh << 5) ^ (q[16] >> 5) ^ m[0]) + (xl ^ q[24] ^ q[0])
h[1] = ((xh >> 7) ^ (q[17] << 8) ^ m[1]) + (xl ^ q[25] ^ q[1])
h[2] = ((xh >> 5) ^ (q[18] << 5) ^ m[2]) + (xl ^ q[26] ^ q[2])
h[3] = ((xh >> 1) ^ (q[19] << 5) ^ m[3]) + (xl ^ q[27] ^ q[3])
h[4] = ((xh >> 3) ^ (q[20] << 0) ^ m[4]) + (xl ^ q[28] ^ q[4])
h[5] = ((xh << 6) ^ (q[21] >> 6) ^ m[5]) + (xl ^ q[29] ^ q[5])
h[6] = ((xh >> 4) ^ (q[22] << 6) ^ m[6]) + (xl ^ q[30] ^ q[6])
h[7] = ((xh >> 11) ^ (q[23] << 2) ^ m[7]) + (xl ^ q[31] ^ q[7])
h[8] = circularLeft32(h[4], 9) + (xh ^ q[24] ^ m[8]) + ((xl << 8) ^ q[23] ^ q[8])
h[9] = circularLeft32(h[5], 10) + (xh ^ q[25] ^ m[9]) + ((xl >> 6) ^ q[16] ^ q[9])
h[10] = circularLeft32(h[6], 11) + (xh ^ q[26] ^ m[10]) + ((xl << 6) ^ q[17] ^ q[10])
h[11] = circularLeft32(h[7], 12) + (xh ^ q[27] ^ m[11]) + ((xl << 4) ^ q[18] ^ q[11])
h[12] = circularLeft32(h[0], 13) + (xh ^ q[28] ^ m[12]) + ((xl >> 3) ^ q[19] ^ q[12])
h[13] = circularLeft32(h[1], 14) + (xh ^ q[29] ^ m[13]) + ((xl >> 4) ^ q[20] ^ q[13])
h[14] = circularLeft32(h[2], 15) + (xh ^ q[30] ^ m[14]) + ((xl >> 7) ^ q[21] ^ q[14])
h[15] = circularLeft32(h[3], 16) + (xh ^ q[31] ^ m[15]) + ((xl >> 2) ^ q[22] ^ q[15])
}