Infendro/hash.kt
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implement blake

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Infendro
2025-12-01 19:40:20 +01:00
parent 8a2848e6e3
commit 324d907d0c
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127
src/commonMain/kotlin/com/infendro/hash/blake/Blake-224.kt Normal file
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package com.infendro.hash.blake
import com.infendro.bytearray.toUByteArray
import com.infendro.bytearray.toUIntArray
import com.infendro.hash.HashFunction
object `Blake-224` : HashFunction() {
override val bytes: Int
get() = 28
override val block: Int
get() = 64
private val initial = uintArrayOf(
0xc1059ed8U, 0x367cd507U,
0x3070dd17U, 0xf70e5939U,
0xffc00b31U, 0x68581511U,
0x64f98fa7U, 0xbefa4fa4U,
)
private val c = uintArrayOf(
0x243f6a88U, 0x85a308d3U,
0x13198a2eU, 0x03707344U,
0xa4093822U, 0x299f31d0U,
0x082efa98U, 0xec4e6c89U,
0x452821e6U, 0x38d01377U,
0xbe5466cfU, 0x34e90c6cU,
0xc0ac29b7U, 0xc97c50ddU,
0x3f84d5b5U, 0xb5470917U,
)
private val sigma = arrayOf(
intArrayOf(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15),
intArrayOf(14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3),
intArrayOf(11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4),
intArrayOf(7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8),
intArrayOf(9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13),
intArrayOf(2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9),
intArrayOf(12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11),
intArrayOf(13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10),
intArrayOf(6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5),
intArrayOf(10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0),
)
override fun hash(value: UByteArray): UByteArray {
val h = initial.copyOf()
var t = 0U
val l = value.size.toULong() * 8UL
// padding
val paddedValue = buildList {
addAll(value)
add(0x80U)
while (size % 64 != 56) {
add(0x00U)
}
addAll(l.toUByteArray())
}.toUByteArray()
// compress
val blocks = paddedValue
.chunked(64) { it.toUByteArray() }
for (block in blocks) {
t += minOf(l - t, 512UL).toUInt()
val m = block.toUIntArray()
compress(h, m, t)
}
return h.sliceArray(0..6).toUByteArray()
}
private fun compress(
h: UIntArray,
m: UIntArray,
t: UInt,
) {
// initialization
val v = UIntArray(16)
for (i in 0..<8) v[i] = h[i]
for (i in 0..<4) v[i + 8] = c[i]
for (i in 0..<2) v[i + 12] = c[i + 4] xor t
for (i in 0..<2) v[i + 14] = c[i + 6]
// rounds
for (r in 0..<14) {
val s = sigma[r % 10]
// column
g(v, 0, 4, 8, 12, m[s[0]] xor c[s[1]], m[s[1]] xor c[s[0]])
g(v, 1, 5, 9, 13, m[s[2]] xor c[s[3]], m[s[3]] xor c[s[2]])
g(v, 2, 6, 10, 14, m[s[4]] xor c[s[5]], m[s[5]] xor c[s[4]])
g(v, 3, 7, 11, 15, m[s[6]] xor c[s[7]], m[s[7]] xor c[s[6]])
// diagonal
g(v, 0, 5, 10, 15, m[s[8]] xor c[s[9]], m[s[9]] xor c[s[8]])
g(v, 1, 6, 11, 12, m[s[10]] xor c[s[11]], m[s[11]] xor c[s[10]])
g(v, 2, 7, 8, 13, m[s[12]] xor c[s[13]], m[s[13]] xor c[s[12]])
g(v, 3, 4, 9, 14, m[s[14]] xor c[s[15]], m[s[15]] xor c[s[14]])
}
// finalization
for (i in 0..7) {
h[i] = h[i] xor v[i] xor v[i + 8]
}
}
// round function
private fun g(
v: UIntArray,
a: Int,
b: Int,
c: Int,
d: Int,
x: UInt,
y: UInt,
) {
v[a] += v[b] + x
v[d] = (v[d] xor v[a]).rotateRight(16)
v[c] += v[d]
v[b] = (v[b] xor v[c]).rotateRight(12)
v[a] += v[b] + y
v[d] = (v[d] xor v[a]).rotateRight(8)
v[c] += v[d]
v[b] = (v[b] xor v[c]).rotateRight(7)
}
}

128
src/commonMain/kotlin/com/infendro/hash/blake/Blake-256.kt Normal file
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package com.infendro.hash.blake
import com.infendro.bytearray.toUByteArray
import com.infendro.bytearray.toUIntArray
import com.infendro.hash.HashFunction
object `Blake-256` : HashFunction() {
override val bytes: Int
get() = 32
override val block: Int
get() = 64
private val initial = uintArrayOf(
0x6a09e667U, 0xbb67ae85U,
0x3c6ef372U, 0xa54ff53aU,
0x510e527fU, 0x9b05688cU,
0x1f83d9abU, 0x5be0cd19U,
)
private val c = uintArrayOf(
0x243f6a88U, 0x85a308d3U,
0x13198a2eU, 0x03707344U,
0xa4093822U, 0x299f31d0U,
0x082efa98U, 0xec4e6c89U,
0x452821e6U, 0x38d01377U,
0xbe5466cfU, 0x34e90c6cU,
0xc0ac29b7U, 0xc97c50ddU,
0x3f84d5b5U, 0xb5470917U,
)
private val sigma = arrayOf(
intArrayOf(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15),
intArrayOf(14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3),
intArrayOf(11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4),
intArrayOf(7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8),
intArrayOf(9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13),
intArrayOf(2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9),
intArrayOf(12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11),
intArrayOf(13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10),
intArrayOf(6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5),
intArrayOf(10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0),
)
override fun hash(value: UByteArray): UByteArray {
val h = initial.copyOf()
var t = 0U
val l = value.size.toULong() * 8UL
// padding
val paddedValue = buildList {
addAll(value)
add(0x80U)
while (size % 64 != 55) {
add(0x00U)
}
add(0x01U)
addAll(l.toUByteArray())
}.toUByteArray()
// compress
val blocks = paddedValue
.chunked(64) { it.toUByteArray() }
for (block in blocks) {
t += minOf(l - t, 512UL).toUInt()
val m = block.toUIntArray()
compress(h, m, t)
}
return h.toUByteArray()
}
private fun compress(
h: UIntArray,
m: UIntArray,
t: UInt,
) {
// initialization
val v = UIntArray(16)
for (i in 0..<8) v[i] = h[i]
for (i in 0..<4) v[i + 8] = c[i]
for (i in 0..<2) v[i + 12] = c[i + 4] xor t
for (i in 0..<2) v[i + 14] = c[i + 6]
// rounds
for (r in 0..<14) {
val s = sigma[r % 10]
// column
g(v, 0, 4, 8, 12, m[s[0]] xor c[s[1]], m[s[1]] xor c[s[0]])
g(v, 1, 5, 9, 13, m[s[2]] xor c[s[3]], m[s[3]] xor c[s[2]])
g(v, 2, 6, 10, 14, m[s[4]] xor c[s[5]], m[s[5]] xor c[s[4]])
g(v, 3, 7, 11, 15, m[s[6]] xor c[s[7]], m[s[7]] xor c[s[6]])
// diagonal
g(v, 0, 5, 10, 15, m[s[8]] xor c[s[9]], m[s[9]] xor c[s[8]])
g(v, 1, 6, 11, 12, m[s[10]] xor c[s[11]], m[s[11]] xor c[s[10]])
g(v, 2, 7, 8, 13, m[s[12]] xor c[s[13]], m[s[13]] xor c[s[12]])
g(v, 3, 4, 9, 14, m[s[14]] xor c[s[15]], m[s[15]] xor c[s[14]])
}
// finalization
for (i in 0..7) {
h[i] = h[i] xor v[i] xor v[i + 8]
}
}
// round function
private fun g(
v: UIntArray,
a: Int,
b: Int,
c: Int,
d: Int,
x: UInt,
y: UInt,
) {
v[a] += v[b] + x
v[d] = (v[d] xor v[a]).rotateRight(16)
v[c] += v[d]
v[b] = (v[b] xor v[c]).rotateRight(12)
v[a] += v[b] + y
v[d] = (v[d] xor v[a]).rotateRight(8)
v[c] += v[d]
v[b] = (v[b] xor v[c]).rotateRight(7)
}
}

127
src/commonMain/kotlin/com/infendro/hash/blake/Blake-384.kt Normal file
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package com.infendro.hash.blake
import com.infendro.bytearray.toUByteArray
import com.infendro.bytearray.toULongArray
import com.infendro.hash.HashFunction
object `Blake-384` : HashFunction() {
override val bytes: Int
get() = 48
override val block: Int
get() = 128
private val initial = ulongArrayOf(
0xcbbb9d5dc1059ed8U, 0x629a292a367cd507U,
0x9159015a3070dd17U, 0x152fecd8f70e5939U,
0x67332667ffc00b31U, 0x8eb44a8768581511U,
0xdb0c2e0d64f98fa7U, 0x47b5481dbefa4fa4U,
)
private val c = ulongArrayOf(
0x243f6a8885a308d3UL, 0x13198a2e03707344UL,
0xa4093822299f31d0UL, 0x082efa98ec4e6c89UL,
0x452821e638d01377UL, 0xbe5466cf34e90c6cUL,
0xc0ac29b7c97c50ddUL, 0x3f84d5b5b5470917UL,
0x9216d5d98979fb1bUL, 0xd1310ba698dfb5acUL,
0x2ffd72dbd01adfb7UL, 0xb8e1afed6a267e96UL,
0xba7c9045f12c7f99UL, 0x24a19947b3916cf7UL,
0x0801f2e2858efc16UL, 0x636920d871574e69UL,
)
private val sigma = arrayOf(
intArrayOf(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15),
intArrayOf(14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3),
intArrayOf(11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4),
intArrayOf(7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8),
intArrayOf(9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13),
intArrayOf(2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9),
intArrayOf(12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11),
intArrayOf(13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10),
intArrayOf(6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5),
intArrayOf(10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0),
)
override fun hash(value: UByteArray): UByteArray {
val h = initial.copyOf()
var t = 0UL
val l = value.size.toULong() * 8UL
// padding
val paddedValue = buildList {
addAll(value)
add(0x80U)
while (size % 128 != 120) {
add(0x00U)
}
addAll(l.toUByteArray())
}.toUByteArray()
// compress
val blocks = paddedValue
.chunked(128) { it.toUByteArray() }
for (block in blocks) {
t += minOf(l - t, 1024UL)
val m = block.toULongArray()
compress(h, m, t)
}
return h.sliceArray(0..5).toUByteArray()
}
private fun compress(
h: ULongArray,
m: ULongArray,
t: ULong,
) {
// initialization
val v = ULongArray(16)
for (i in 0..<8) v[i] = h[i]
for (i in 0..<4) v[i + 8] = c[i]
for (i in 0..<2) v[i + 12] = c[i + 4] xor t
for (i in 0..<2) v[i + 14] = c[i + 6]
// rounds
for (r in 0..<16) {
val s = sigma[r % 10]
// column
g(v, 0, 4, 8, 12, m[s[0]] xor c[s[1]], m[s[1]] xor c[s[0]])
g(v, 1, 5, 9, 13, m[s[2]] xor c[s[3]], m[s[3]] xor c[s[2]])
g(v, 2, 6, 10, 14, m[s[4]] xor c[s[5]], m[s[5]] xor c[s[4]])
g(v, 3, 7, 11, 15, m[s[6]] xor c[s[7]], m[s[7]] xor c[s[6]])
// diagonal
g(v, 0, 5, 10, 15, m[s[8]] xor c[s[9]], m[s[9]] xor c[s[8]])
g(v, 1, 6, 11, 12, m[s[10]] xor c[s[11]], m[s[11]] xor c[s[10]])
g(v, 2, 7, 8, 13, m[s[12]] xor c[s[13]], m[s[13]] xor c[s[12]])
g(v, 3, 4, 9, 14, m[s[14]] xor c[s[15]], m[s[15]] xor c[s[14]])
}
// finalization
for (i in 0..7) {
h[i] = h[i] xor v[i] xor v[i + 8]
}
}
// round function
private fun g(
v: ULongArray,
a: Int,
b: Int,
c: Int,
d: Int,
x: ULong,
y: ULong,
) {
v[a] += v[b] + x
v[d] = (v[d] xor v[a]).rotateRight(32)
v[c] += v[d]
v[b] = (v[b] xor v[c]).rotateRight(25)
v[a] += v[b] + y
v[d] = (v[d] xor v[a]).rotateRight(16)
v[c] += v[d]
v[b] = (v[b] xor v[c]).rotateRight(11)
}
}

129
src/commonMain/kotlin/com/infendro/hash/blake/Blake-512.kt Normal file
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package com.infendro.hash.blake
import com.infendro.bytearray.toUByteArray
import com.infendro.bytearray.toULongArray
import com.infendro.hash.HashFunction
object `Blake-512` : HashFunction() {
override val bytes: Int
get() = 64
override val block: Int
get() = 128
private val initial = ulongArrayOf(
0x6a09e667f3bcc908UL, 0xbb67ae8584caa73bUL,
0x3c6ef372fe94f82bUL, 0xa54ff53a5f1d36f1UL,
0x510e527fade682d1UL, 0x9b05688c2b3e6c1fUL,
0x1f83d9abfb41bd6bUL, 0x5be0cd19137e2179UL,
)
private val c = ulongArrayOf(
0x243f6a8885a308d3UL, 0x13198a2e03707344UL,
0xa4093822299f31d0UL, 0x082efa98ec4e6c89UL,
0x452821e638d01377UL, 0xbe5466cf34e90c6cUL,
0xc0ac29b7c97c50ddUL, 0x3f84d5b5b5470917UL,
0x9216d5d98979fb1bUL, 0xd1310ba698dfb5acUL,
0x2ffd72dbd01adfb7UL, 0xb8e1afed6a267e96UL,
0xba7c9045f12c7f99UL, 0x24a19947b3916cf7UL,
0x0801f2e2858efc16UL, 0x636920d871574e69UL,
)
private val sigma = arrayOf(
intArrayOf(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15),
intArrayOf(14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3),
intArrayOf(11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4),
intArrayOf(7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8),
intArrayOf(9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13),
intArrayOf(2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9),
intArrayOf(12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11),
intArrayOf(13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10),
intArrayOf(6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5),
intArrayOf(10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0),
)
override fun hash(value: UByteArray): UByteArray {
val h = initial.copyOf()
var t = 0UL
val l = value.size.toULong() * 8UL
// padding
val paddedValue = buildList {
addAll(value)
add(0x80U)
while (size % 128 != 111) {
add(0x00U)
}
add(0x01U)
repeat(8) { add(0x00U) }
addAll(l.toUByteArray())
}.toUByteArray()
// compress
val blocks = paddedValue
.chunked(128) { it.toUByteArray() }
for (block in blocks) {
t += minOf(l - t, 1024UL)
val m = block.toULongArray()
compress(h, m, t)
}
return h.toUByteArray()
}
private fun compress(
h: ULongArray,
m: ULongArray,
t: ULong,
) {
// initialization
val v = ULongArray(16)
for (i in 0..<8) v[i] = h[i]
for (i in 0..<4) v[i + 8] = c[i]
for (i in 0..<2) v[i + 12] = c[i + 4] xor t
for (i in 0..<2) v[i + 14] = c[i + 6]
// rounds
for (r in 0..<16) {
val s = sigma[r % 10]
// column
g(v, 0, 4, 8, 12, m[s[0]] xor c[s[1]], m[s[1]] xor c[s[0]])
g(v, 1, 5, 9, 13, m[s[2]] xor c[s[3]], m[s[3]] xor c[s[2]])
g(v, 2, 6, 10, 14, m[s[4]] xor c[s[5]], m[s[5]] xor c[s[4]])
g(v, 3, 7, 11, 15, m[s[6]] xor c[s[7]], m[s[7]] xor c[s[6]])
// diagonal
g(v, 0, 5, 10, 15, m[s[8]] xor c[s[9]], m[s[9]] xor c[s[8]])
g(v, 1, 6, 11, 12, m[s[10]] xor c[s[11]], m[s[11]] xor c[s[10]])
g(v, 2, 7, 8, 13, m[s[12]] xor c[s[13]], m[s[13]] xor c[s[12]])
g(v, 3, 4, 9, 14, m[s[14]] xor c[s[15]], m[s[15]] xor c[s[14]])
}
// finalization
for (i in 0..7) {
h[i] = h[i] xor v[i] xor v[i + 8]
}
}
// round function
private fun g(
v: ULongArray,
a: Int,
b: Int,
c: Int,
d: Int,
x: ULong,
y: ULong,
) {
v[a] += v[b] + x
v[d] = (v[d] xor v[a]).rotateRight(32)
v[c] += v[d]
v[b] = (v[b] xor v[c]).rotateRight(25)
v[a] += v[b] + y
v[d] = (v[d] xor v[a]).rotateRight(16)
v[c] += v[d]
v[b] = (v[b] xor v[c]).rotateRight(11)
}
}