hanez/fun
1
0
Fork 0
forked from fun/fun
Code Pull requests Activity

Tried to fix the ripemd160.fun library, but it is still broken. (0.37.38)

Browse source
This commit is contained in:
Johannes Findeisen 2026-01-02 21:26:41 +01:00
commit 1f6bc2b96a
3 changed files with 32 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

40
lib/crypt/ripemd160.fun
View file

@ -15,7 +15,10 @@
class RIPEMD160()
KL = [0, 1518500249, 1859775393, 2400959708, 2840853838]
KR = [1352829926, 1548603684, 1836062451, 2054012649, 0]
//KR = [1352829926, 1548603684, 1836062451, 2054012649, 0]
// Correct KR constants according to RIPEMD-160 specification:
// 0x50A28BE6, 0x5C4DD124, 0x6D703EF3, 0x7A6D76E9, 0x00000000
KR = [1352829926, 1554976324, 1836072691, 2053994217, 0]
RL = [
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
@ -58,22 +61,23 @@ class RIPEMD160()
return x
fun rol32(this, x, s)
return rol(this.u32(x), s)
x = this.u32(x)
return this.u32(bor(shl(x, s), shr(x, 32 - s)))
fun add32(this, a, b)
return this.u32(a + b)
fun F(this, stage, x, y, z)
if stage == 0
return bxor(bxor(x, y), z)
return this.u32(bxor(bxor(x, y), z))
else if stage == 1
return bor(band(x, y), band(bnot(x), z))
return this.u32(bor(band(x, y), band(bnot(x), z)))
else if stage == 2
return bxor(bor(x, bnot(y)), z)
return this.u32(bxor(bor(x, bnot(y)), z))
else if stage == 3
return bor(band(x, z), band(y, bnot(z)))
return this.u32(bor(band(x, z), band(y, bnot(z))))
else
return bxor(x, bor(y, bnot(z)))
return this.u32(bxor(x, bor(y, bnot(z))))
fun hex_val(this, ch)
if ch == "0"
@ -204,7 +208,9 @@ class RIPEMD160()
B = T
// Right side step
Tr = this.add32(this.rol32(this.add32(this.add32(Ar, this.F(stage_r, Br, Cr, Dr)), this.add32(M[this.RR[j]], this.KR[stage_r])), this.SR[j]), Er)
// Note: Right branch uses F in reverse stage order (stage_r),
// but the constants KR are indexed by the forward round index (stage).
Tr = this.add32(this.rol32(this.add32(this.add32(Ar, this.F(stage_r, Br, Cr, Dr)), this.add32(M[this.RR[j]], this.KR[stage])), this.SR[j]), Er)
Ar = Er
Er = Dr
Dr = this.rol32(Cr, 10)
@ -230,11 +236,19 @@ class RIPEMD160()
h3 = state[3]
h4 = state[4]
state[0] = this.add32(h1, this.add32(B, Cr))
state[1] = this.add32(h2, this.add32(C, Dr))
state[2] = this.add32(h3, this.add32(D, Er))
state[3] = this.add32(h4, this.add32(E, Ar))
state[4] = this.add32(h0, this.add32(A, Br))
// Final state combination (canonical RIPEMD-160):
// T = h1 + Cl + Dr
// h1 = h2 + Dl + Er
// h2 = h3 + El + Ar
// h3 = h4 + Al + Br
// h4 = h0 + Bl + Cr
// h0 = T
T = this.add32(h1, this.add32(C, Dr))
state[1] = this.add32(h2, this.add32(D, Er))
state[2] = this.add32(h3, this.add32(E, Ar))
state[3] = this.add32(h4, this.add32(A, Br))
state[4] = this.add32(h0, this.add32(B, Cr))
state[0] = T
return state
fun ripemd160_bytes(this, bytes)